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smesh/src/SMESH_SWIG/smeshBuilder.py
Nicolas Geimer 0003e6b4fc Merge tag 'V8_3_0a2' into ngr/python3_dev 
Version 8.3.0 alpha 2
2017-03-20 18:20:10 +01:00

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Python
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# Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
# File : smeshBuilder.py
# Author : Francis KLOSS, OCC
# Module : SMESH
## @package smeshBuilder
# Python API for SALOME %Mesh module
## @defgroup l1_auxiliary Auxiliary methods and structures
## @defgroup l1_creating Creating meshes
## @{
## @defgroup l2_impexp Importing and exporting meshes
## @{
## @details
## These are methods of class \ref smeshBuilder.smeshBuilder "smeshBuilder"
## @}
## @defgroup l2_construct Constructing meshes
## @defgroup l2_algorithms Defining Algorithms
## @{
## @defgroup l3_algos_basic Basic meshing algorithms
## @defgroup l3_algos_proj Projection Algorithms
## @defgroup l3_algos_segmarv Segments around Vertex
## @defgroup l3_algos_3dextr 3D extrusion meshing algorithm
## @}
## @defgroup l2_hypotheses Defining hypotheses
## @{
## @defgroup l3_hypos_1dhyps 1D Meshing Hypotheses
## @defgroup l3_hypos_2dhyps 2D Meshing Hypotheses
## @defgroup l3_hypos_maxvol Max Element Volume hypothesis
## @defgroup l3_hypos_quad Quadrangle Parameters hypothesis
## @defgroup l3_hypos_additi Additional Hypotheses
## @}
## @defgroup l2_submeshes Constructing sub-meshes
## @defgroup l2_editing Editing Meshes
## @}
## @defgroup l1_meshinfo Mesh Information
## @defgroup l1_controls Quality controls and Filtering
## @defgroup l1_grouping Grouping elements
## @{
## @defgroup l2_grps_create Creating groups
## @defgroup l2_grps_operon Using operations on groups
## @defgroup l2_grps_delete Deleting Groups
## @}
## @defgroup l1_modifying Modifying meshes
## @{
## @defgroup l2_modif_add Adding nodes and elements
## @defgroup l2_modif_del Removing nodes and elements
## @defgroup l2_modif_edit Modifying nodes and elements
## @defgroup l2_modif_renumber Renumbering nodes and elements
## @defgroup l2_modif_trsf Transforming meshes (Translation, Rotation, Symmetry, Sewing, Merging)
## @defgroup l2_modif_unitetri Uniting triangles
## @defgroup l2_modif_cutquadr Cutting elements
## @defgroup l2_modif_changori Changing orientation of elements
## @defgroup l2_modif_smooth Smoothing
## @defgroup l2_modif_extrurev Extrusion and Revolution
## @defgroup l2_modif_tofromqu Convert to/from Quadratic Mesh
## @defgroup l2_modif_duplicat Duplication of nodes and elements (to emulate cracks)
## @}
## @defgroup l1_measurements Measurements
import salome
from salome.geom import geomBuilder
import SMESH # This is necessary for back compatibility
from SMESH import *
from salome.smesh.smesh_algorithm import Mesh_Algorithm
import SALOME
import SALOMEDS
import os
import collections
## Private class used to workaround a problem that sometimes isinstance(m, Mesh) returns False
#
class MeshMeta(type):
def __instancecheck__(cls, inst):
"""Implement isinstance(inst, cls)."""
return any(cls.__subclasscheck__(c)
for c in {type(inst), inst.__class__})
def __subclasscheck__(cls, sub):
"""Implement issubclass(sub, cls)."""
return type.__subclasscheck__(cls, sub) or (cls.__name__ == sub.__name__ and cls.__module__ == sub.__module__)
## @addtogroup l1_auxiliary
## @{
## Convert an angle from degrees to radians
def DegreesToRadians(AngleInDegrees):
from math import pi
return AngleInDegrees * pi / 180.0
import salome_notebook
notebook = salome_notebook.notebook
# Salome notebook variable separator
var_separator = ":"
## Return list of variable values from salome notebook.
# The last argument, if is callable, is used to modify values got from notebook
def ParseParameters(*args):
Result = []
Parameters = ""
hasVariables = False
varModifFun=None
if args and isinstance( args[-1], collections.Callable):
args, varModifFun = args[:-1], args[-1]
for parameter in args:
Parameters += str(parameter) + var_separator
if isinstance(parameter,str):
# check if there is an inexistent variable name
if not notebook.isVariable(parameter):
raise ValueError("Variable with name '" + parameter + "' doesn't exist!!!")
parameter = notebook.get(parameter)
hasVariables = True
if varModifFun:
parameter = varModifFun(parameter)
pass
pass
Result.append(parameter)
pass
Parameters = Parameters[:-1]
Result.append( Parameters )
Result.append( hasVariables )
return Result
## Parse parameters while converting variables to radians
def ParseAngles(*args):
return ParseParameters( *( args + (DegreesToRadians, )))
## Substitute PointStruct.__init__() to create SMESH.PointStruct using notebook variables.
# Parameters are stored in PointStruct.parameters attribute
def __initPointStruct(point,*args):
point.x, point.y, point.z, point.parameters,hasVars = ParseParameters(*args)
pass
SMESH.PointStruct.__init__ = __initPointStruct
## Substitute AxisStruct.__init__() to create SMESH.AxisStruct using notebook variables.
# Parameters are stored in AxisStruct.parameters attribute
def __initAxisStruct(ax,*args):
if len( args ) != 6:
raise RuntimeError("Bad nb args (%s) passed in SMESH.AxisStruct(x,y,z,dx,dy,dz)"%(len( args )))
ax.x, ax.y, ax.z, ax.vx, ax.vy, ax.vz, ax.parameters,hasVars = ParseParameters(*args)
pass
SMESH.AxisStruct.__init__ = __initAxisStruct
smeshPrecisionConfusion = 1.e-07
## Compare real values using smeshPrecisionConfusion as tolerance
def IsEqual(val1, val2, tol=smeshPrecisionConfusion):
if abs(val1 - val2) < tol:
return True
return False
NO_NAME = "NoName"
## Return object name
def GetName(obj):
if obj:
# object not null
if isinstance(obj, SALOMEDS._objref_SObject):
# study object
return obj.GetName()
try:
ior = salome.orb.object_to_string(obj)
except:
ior = None
if ior:
# CORBA object
studies = salome.myStudyManager.GetOpenStudies()
for sname in studies:
s = salome.myStudyManager.GetStudyByName(sname)
if not s: continue
sobj = s.FindObjectIOR(ior)
if not sobj: continue
return sobj.GetName()
if hasattr(obj, "GetName"):
# unknown CORBA object, having GetName() method
return obj.GetName()
else:
# unknown CORBA object, no GetName() method
return NO_NAME
pass
if hasattr(obj, "GetName"):
# unknown non-CORBA object, having GetName() method
return obj.GetName()
pass
raise RuntimeError("Null or invalid object")
## Print error message if a hypothesis was not assigned.
def TreatHypoStatus(status, hypName, geomName, isAlgo, mesh):
if isAlgo:
hypType = "algorithm"
else:
hypType = "hypothesis"
pass
reason = ""
if hasattr( status, "__getitem__" ):
status,reason = status[0],status[1]
if status == HYP_UNKNOWN_FATAL :
reason = "for unknown reason"
elif status == HYP_INCOMPATIBLE :
reason = "this hypothesis mismatches the algorithm"
elif status == HYP_NOTCONFORM :
reason = "a non-conform mesh would be built"
elif status == HYP_ALREADY_EXIST :
if isAlgo: return # it does not influence anything
reason = hypType + " of the same dimension is already assigned to this shape"
elif status == HYP_BAD_DIM :
reason = hypType + " mismatches the shape"
elif status == HYP_CONCURENT :
reason = "there are concurrent hypotheses on sub-shapes"
elif status == HYP_BAD_SUBSHAPE :
reason = "the shape is neither the main one, nor its sub-shape, nor a valid group"
elif status == HYP_BAD_GEOMETRY:
reason = "the algorithm is not applicable to this geometry"
elif status == HYP_HIDDEN_ALGO:
reason = "it is hidden by an algorithm of an upper dimension, which generates elements of all dimensions"
elif status == HYP_HIDING_ALGO:
reason = "it hides algorithms of lower dimensions by generating elements of all dimensions"
elif status == HYP_NEED_SHAPE:
reason = "algorithm can't work without shape"
elif status == HYP_INCOMPAT_HYPS:
pass
else:
return
where = geomName
if where:
where = '"%s"' % geomName
if mesh:
meshName = GetName( mesh )
if meshName and meshName != NO_NAME:
where = '"%s" shape in "%s" mesh ' % ( geomName, meshName )
if status < HYP_UNKNOWN_FATAL and where:
print('"%s" was assigned to %s but %s' %( hypName, where, reason ))
elif where:
print('"%s" was not assigned to %s : %s' %( hypName, where, reason ))
else:
print('"%s" was not assigned : %s' %( hypName, reason ))
pass
## Private method. Add geom (sub-shape of the main shape) into the study if not yet there
def AssureGeomPublished(mesh, geom, name=''):
if not isinstance( geom, geomBuilder.GEOM._objref_GEOM_Object ):
return
if not geom.GetStudyEntry() and \
mesh.smeshpyD.GetCurrentStudy():
## set the study
studyID = mesh.smeshpyD.GetCurrentStudy()._get_StudyId()
if studyID != mesh.geompyD.myStudyId:
mesh.geompyD.init_geom( mesh.smeshpyD.GetCurrentStudy())
## get a name
if not name and geom.GetShapeType() != geomBuilder.GEOM.COMPOUND:
# for all groups SubShapeName() return "Compound_-1"
name = mesh.geompyD.SubShapeName(geom, mesh.geom)
if not name:
name = "%s_%s"%(geom.GetShapeType(), id(geom)%10000)
## publish
mesh.geompyD.addToStudyInFather( mesh.geom, geom, name )
return
## Return the first vertex of a geometrical edge by ignoring orientation
def FirstVertexOnCurve(mesh, edge):
vv = mesh.geompyD.SubShapeAll( edge, geomBuilder.geomBuilder.ShapeType["VERTEX"])
if not vv:
raise TypeError("Given object has no vertices")
if len( vv ) == 1: return vv[0]
v0 = mesh.geompyD.MakeVertexOnCurve(edge,0.)
xyz = mesh.geompyD.PointCoordinates( v0 ) # coords of the first vertex
xyz1 = mesh.geompyD.PointCoordinates( vv[0] )
xyz2 = mesh.geompyD.PointCoordinates( vv[1] )
dist1, dist2 = 0,0
for i in range(3):
dist1 += abs( xyz[i] - xyz1[i] )
dist2 += abs( xyz[i] - xyz2[i] )
if dist1 < dist2:
return vv[0]
else:
return vv[1]
# end of l1_auxiliary
## @}
# Warning: smeshInst is a singleton
smeshInst = None
engine = None
doLcc = False
created = False
## This class allows to create, load or manipulate meshes.
# It has a set of methods to create, load or copy meshes, to combine several meshes, etc.
# It also has methods to get infos and measure meshes.
class smeshBuilder(SMESH._objref_SMESH_Gen):
# MirrorType enumeration
POINT = SMESH_MeshEditor.POINT
AXIS = SMESH_MeshEditor.AXIS
PLANE = SMESH_MeshEditor.PLANE
# Smooth_Method enumeration
LAPLACIAN_SMOOTH = SMESH_MeshEditor.LAPLACIAN_SMOOTH
CENTROIDAL_SMOOTH = SMESH_MeshEditor.CENTROIDAL_SMOOTH
PrecisionConfusion = smeshPrecisionConfusion
# TopAbs_State enumeration
[TopAbs_IN, TopAbs_OUT, TopAbs_ON, TopAbs_UNKNOWN] = list(range(4))
# Methods of splitting a hexahedron into tetrahedra
Hex_5Tet, Hex_6Tet, Hex_24Tet, Hex_2Prisms, Hex_4Prisms = 1, 2, 3, 1, 2
def __new__(cls, *args):
global engine
global smeshInst
global doLcc
#print "==== __new__", engine, smeshInst, doLcc
if smeshInst is None:
# smesh engine is either retrieved from engine, or created
smeshInst = engine
# Following test avoids a recursive loop
if doLcc:
if smeshInst is not None:
# smesh engine not created: existing engine found
doLcc = False
if doLcc:
doLcc = False
# FindOrLoadComponent called:
# 1. CORBA resolution of server
# 2. the __new__ method is called again
#print "==== smeshInst = lcc.FindOrLoadComponent ", engine, smeshInst, doLcc
smeshInst = salome.lcc.FindOrLoadComponent( "FactoryServer", "SMESH" )
else:
# FindOrLoadComponent not called
if smeshInst is None:
# smeshBuilder instance is created from lcc.FindOrLoadComponent
#print "==== smeshInst = super(smeshBuilder,cls).__new__(cls) ", engine, smeshInst, doLcc
smeshInst = super(smeshBuilder,cls).__new__(cls)
else:
# smesh engine not created: existing engine found
#print "==== existing ", engine, smeshInst, doLcc
pass
#print "====1 ", smeshInst
return smeshInst
#print "====2 ", smeshInst
return smeshInst
def __init__(self, *args):
global created
#print "--------------- smeshbuilder __init__ ---", created
if not created:
created = True
SMESH._objref_SMESH_Gen.__init__(self, *args)
## Dump component to the Python script
# This method overrides IDL function to allow default values for the parameters.
# @ingroup l1_auxiliary
def DumpPython(self, theStudy, theIsPublished=True, theIsMultiFile=True):
return SMESH._objref_SMESH_Gen.DumpPython(self, theStudy, theIsPublished, theIsMultiFile)
## Set mode of DumpPython(), \a historical or \a snapshot.
# In the \a historical mode, the Python Dump script includes all commands
# performed by SMESH engine. In the \a snapshot mode, commands
# relating to objects removed from the Study are excluded from the script
# as well as commands not influencing the current state of meshes
# @ingroup l1_auxiliary
def SetDumpPythonHistorical(self, isHistorical):
if isHistorical: val = "true"
else: val = "false"
SMESH._objref_SMESH_Gen.SetOption(self, "historical_python_dump", val)
## Set the current study and Geometry component
# @ingroup l1_auxiliary
def init_smesh(self,theStudy,geompyD = None):
#print "init_smesh"
self.SetCurrentStudy(theStudy,geompyD)
if theStudy:
global notebook
notebook.myStudy = theStudy
## Create a mesh. This can be either an empty mesh, possibly having an underlying geometry,
# or a mesh wrapping a CORBA mesh given as a parameter.
# @param obj either (1) a CORBA mesh (SMESH._objref_SMESH_Mesh) got e.g. by calling
# salome.myStudy.FindObjectID("0:1:2:3").GetObject() or
# (2) a Geometrical object for meshing or
# (3) none.
# @param name the name for the new mesh.
# @return an instance of Mesh class.
# @ingroup l2_construct
def Mesh(self, obj=0, name=0):
if isinstance(obj,str):
obj,name = name,obj
return Mesh(self,self.geompyD,obj,name)
## Return a long value from enumeration
# @ingroup l1_auxiliary
def EnumToLong(self,theItem):
return theItem._v
## Return a string representation of the color.
# To be used with filters.
# @param c color value (SALOMEDS.Color)
# @ingroup l1_auxiliary
def ColorToString(self,c):
val = ""
if isinstance(c, SALOMEDS.Color):
val = "%s;%s;%s" % (c.R, c.G, c.B)
elif isinstance(c, str):
val = c
else:
raise ValueError("Color value should be of string or SALOMEDS.Color type")
return val
## Get PointStruct from vertex
# @param theVertex a GEOM object(vertex)
# @return SMESH.PointStruct
# @ingroup l1_auxiliary
def GetPointStruct(self,theVertex):
[x, y, z] = self.geompyD.PointCoordinates(theVertex)
return PointStruct(x,y,z)
## Get DirStruct from vector
# @param theVector a GEOM object(vector)
# @return SMESH.DirStruct
# @ingroup l1_auxiliary
def GetDirStruct(self,theVector):
vertices = self.geompyD.SubShapeAll( theVector, geomBuilder.geomBuilder.ShapeType["VERTEX"] )
if(len(vertices) != 2):
print("Error: vector object is incorrect.")
return None
p1 = self.geompyD.PointCoordinates(vertices[0])
p2 = self.geompyD.PointCoordinates(vertices[1])
pnt = PointStruct(p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
dirst = DirStruct(pnt)
return dirst
## Make DirStruct from a triplet
# @param x,y,z vector components
# @return SMESH.DirStruct
# @ingroup l1_auxiliary
def MakeDirStruct(self,x,y,z):
pnt = PointStruct(x,y,z)
return DirStruct(pnt)
## Get AxisStruct from object
# @param theObj a GEOM object (line or plane)
# @return SMESH.AxisStruct
# @ingroup l1_auxiliary
def GetAxisStruct(self,theObj):
import GEOM
edges = self.geompyD.SubShapeAll( theObj, geomBuilder.geomBuilder.ShapeType["EDGE"] )
axis = None
if len(edges) > 1:
vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geomBuilder.geomBuilder.ShapeType["VERTEX"] )
vertex3, vertex4 = self.geompyD.SubShapeAll( edges[1], geomBuilder.geomBuilder.ShapeType["VERTEX"] )
vertex1 = self.geompyD.PointCoordinates(vertex1)
vertex2 = self.geompyD.PointCoordinates(vertex2)
vertex3 = self.geompyD.PointCoordinates(vertex3)
vertex4 = self.geompyD.PointCoordinates(vertex4)
v1 = [vertex2[0]-vertex1[0], vertex2[1]-vertex1[1], vertex2[2]-vertex1[2]]
v2 = [vertex4[0]-vertex3[0], vertex4[1]-vertex3[1], vertex4[2]-vertex3[2]]
normal = [ v1[1]*v2[2]-v2[1]*v1[2], v1[2]*v2[0]-v2[2]*v1[0], v1[0]*v2[1]-v2[0]*v1[1] ]
axis = AxisStruct(vertex1[0], vertex1[1], vertex1[2], normal[0], normal[1], normal[2])
axis._mirrorType = SMESH.SMESH_MeshEditor.PLANE
elif len(edges) == 1:
vertex1, vertex2 = self.geompyD.SubShapeAll( edges[0], geomBuilder.geomBuilder.ShapeType["VERTEX"] )
p1 = self.geompyD.PointCoordinates( vertex1 )
p2 = self.geompyD.PointCoordinates( vertex2 )
axis = AxisStruct(p1[0], p1[1], p1[2], p2[0]-p1[0], p2[1]-p1[1], p2[2]-p1[2])
axis._mirrorType = SMESH.SMESH_MeshEditor.AXIS
elif theObj.GetShapeType() == GEOM.VERTEX:
x,y,z = self.geompyD.PointCoordinates( theObj )
axis = AxisStruct( x,y,z, 1,0,0,)
axis._mirrorType = SMESH.SMESH_MeshEditor.POINT
return axis
# From SMESH_Gen interface:
# ------------------------
## Set the given name to the object
# @param obj the object to rename
# @param name a new object name
# @ingroup l1_auxiliary
def SetName(self, obj, name):
if isinstance( obj, Mesh ):
obj = obj.GetMesh()
elif isinstance( obj, Mesh_Algorithm ):
obj = obj.GetAlgorithm()
ior = salome.orb.object_to_string(obj)
SMESH._objref_SMESH_Gen.SetName(self, ior, name)
## Set the current mode
# @ingroup l1_auxiliary
def SetEmbeddedMode( self,theMode ):
SMESH._objref_SMESH_Gen.SetEmbeddedMode(self,theMode)
## Get the current mode
# @ingroup l1_auxiliary
def IsEmbeddedMode(self):
return SMESH._objref_SMESH_Gen.IsEmbeddedMode(self)
## Set the current study. Calling SetCurrentStudy( None ) allows to
# switch OFF automatic pubilishing in the Study of mesh objects.
# @ingroup l1_auxiliary
def SetCurrentStudy( self, theStudy, geompyD = None ):
if not geompyD:
from salome.geom import geomBuilder
geompyD = geomBuilder.geom
pass
self.geompyD=geompyD
self.SetGeomEngine(geompyD)
SMESH._objref_SMESH_Gen.SetCurrentStudy(self,theStudy)
global notebook
if theStudy:
notebook = salome_notebook.NoteBook( theStudy )
else:
notebook = salome_notebook.NoteBook( salome_notebook.PseudoStudyForNoteBook() )
if theStudy:
sb = theStudy.NewBuilder()
sc = theStudy.FindComponent("SMESH")
if sc: sb.LoadWith(sc, self)
pass
pass
## Get the current study
# @ingroup l1_auxiliary
def GetCurrentStudy(self):
return SMESH._objref_SMESH_Gen.GetCurrentStudy(self)
## Create a Mesh object importing data from the given UNV file
# @return an instance of Mesh class
# @ingroup l2_impexp
def CreateMeshesFromUNV( self,theFileName ):
aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromUNV(self,theFileName)
aMesh = Mesh(self, self.geompyD, aSmeshMesh)
return aMesh
## Create a Mesh object(s) importing data from the given MED file
# @return a tuple ( list of Mesh class instances, SMESH.DriverMED_ReadStatus )
# @ingroup l2_impexp
def CreateMeshesFromMED( self,theFileName ):
aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromMED(self,theFileName)
aMeshes = [ Mesh(self, self.geompyD, m) for m in aSmeshMeshes ]
return aMeshes, aStatus
## Create a Mesh object(s) importing data from the given SAUV file
# @return a tuple ( list of Mesh class instances, SMESH.DriverMED_ReadStatus )
# @ingroup l2_impexp
def CreateMeshesFromSAUV( self,theFileName ):
aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromSAUV(self,theFileName)
aMeshes = [ Mesh(self, self.geompyD, m) for m in aSmeshMeshes ]
return aMeshes, aStatus
## Create a Mesh object importing data from the given STL file
# @return an instance of Mesh class
# @ingroup l2_impexp
def CreateMeshesFromSTL( self, theFileName ):
aSmeshMesh = SMESH._objref_SMESH_Gen.CreateMeshesFromSTL(self,theFileName)
aMesh = Mesh(self, self.geompyD, aSmeshMesh)
return aMesh
## Create Mesh objects importing data from the given CGNS file
# @return a tuple ( list of Mesh class instances, SMESH.DriverMED_ReadStatus )
# @ingroup l2_impexp
def CreateMeshesFromCGNS( self, theFileName ):
aSmeshMeshes, aStatus = SMESH._objref_SMESH_Gen.CreateMeshesFromCGNS(self,theFileName)
aMeshes = [ Mesh(self, self.geompyD, m) for m in aSmeshMeshes ]
return aMeshes, aStatus
## Create a Mesh object importing data from the given GMF file.
# GMF files must have .mesh extension for the ASCII format and .meshb for
# the binary format.
# @return [ an instance of Mesh class, SMESH.ComputeError ]
# @ingroup l2_impexp
def CreateMeshesFromGMF( self, theFileName ):
aSmeshMesh, error = SMESH._objref_SMESH_Gen.CreateMeshesFromGMF(self,
theFileName,
True)
if error.comment: print("*** CreateMeshesFromGMF() errors:\n", error.comment)
return Mesh(self, self.geompyD, aSmeshMesh), error
## Concatenate the given meshes into one mesh. All groups of input meshes will be
# present in the new mesh.
# @param meshes the meshes, sub-meshes and groups to combine into one mesh
# @param uniteIdenticalGroups if true, groups with same names are united, else they are renamed
# @param mergeNodesAndElements if true, equal nodes and elements are merged
# @param mergeTolerance tolerance for merging nodes
# @param allGroups forces creation of groups corresponding to every input mesh
# @param name name of a new mesh
# @return an instance of Mesh class
# @ingroup l1_creating
def Concatenate( self, meshes, uniteIdenticalGroups,
mergeNodesAndElements = False, mergeTolerance = 1e-5, allGroups = False,
name = ""):
if not meshes: return None
for i,m in enumerate(meshes):
if isinstance(m, Mesh):
meshes[i] = m.GetMesh()
mergeTolerance,Parameters,hasVars = ParseParameters(mergeTolerance)
meshes[0].SetParameters(Parameters)
if allGroups:
aSmeshMesh = SMESH._objref_SMESH_Gen.ConcatenateWithGroups(
self,meshes,uniteIdenticalGroups,mergeNodesAndElements,mergeTolerance)
else:
aSmeshMesh = SMESH._objref_SMESH_Gen.Concatenate(
self,meshes,uniteIdenticalGroups,mergeNodesAndElements,mergeTolerance)
aMesh = Mesh(self, self.geompyD, aSmeshMesh, name=name)
return aMesh
## Create a mesh by copying a part of another mesh.
# @param meshPart a part of mesh to copy, either a Mesh, a sub-mesh or a group;
# to copy nodes or elements not contained in any mesh object,
# pass result of Mesh.GetIDSource( list_of_ids, type ) as meshPart
# @param meshName a name of the new mesh
# @param toCopyGroups to create in the new mesh groups the copied elements belongs to
# @param toKeepIDs to preserve order of the copied elements or not
# @return an instance of Mesh class
# @ingroup l1_creating
def CopyMesh( self, meshPart, meshName, toCopyGroups=False, toKeepIDs=False):
if (isinstance( meshPart, Mesh )):
meshPart = meshPart.GetMesh()
mesh = SMESH._objref_SMESH_Gen.CopyMesh( self,meshPart,meshName,toCopyGroups,toKeepIDs )
return Mesh(self, self.geompyD, mesh)
## Return IDs of sub-shapes
# @return the list of integer values
# @ingroup l1_auxiliary
def GetSubShapesId( self, theMainObject, theListOfSubObjects ):
return SMESH._objref_SMESH_Gen.GetSubShapesId(self,theMainObject, theListOfSubObjects)
## Create a pattern mapper.
# @return an instance of SMESH_Pattern
#
# <a href="../tui_modifying_meshes_page.html#tui_pattern_mapping">Example of Patterns usage</a>
# @ingroup l1_modifying
def GetPattern(self):
return SMESH._objref_SMESH_Gen.GetPattern(self)
## Set number of segments per diagonal of boundary box of geometry, by which
# default segment length of appropriate 1D hypotheses is defined in GUI.
# Default value is 10.
# @ingroup l1_auxiliary
def SetBoundaryBoxSegmentation(self, nbSegments):
SMESH._objref_SMESH_Gen.SetBoundaryBoxSegmentation(self,nbSegments)
# Filtering. Auxiliary functions:
# ------------------------------
## Create an empty criterion
# @return SMESH.Filter.Criterion
# @ingroup l1_controls
def GetEmptyCriterion(self):
Type = self.EnumToLong(FT_Undefined)
Compare = self.EnumToLong(FT_Undefined)
Threshold = 0
ThresholdStr = ""
ThresholdID = ""
UnaryOp = self.EnumToLong(FT_Undefined)
BinaryOp = self.EnumToLong(FT_Undefined)
Tolerance = 1e-07
TypeOfElement = ALL
Precision = -1 ##@1e-07
return Filter.Criterion(Type, Compare, Threshold, ThresholdStr, ThresholdID,
UnaryOp, BinaryOp, Tolerance, TypeOfElement, Precision)
## Create a criterion by the given parameters
# \n Criterion structures allow to define complex filters by combining them with logical operations (AND / OR) (see example below)
# @param elementType the type of elements(SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
# @param CritType the type of criterion (SMESH.FT_Taper, SMESH.FT_Area, etc.)
# Type SMESH.FunctorType._items in the Python Console to see all values.
# Note that the items starting from FT_LessThan are not suitable for CritType.
# @param Compare belongs to {SMESH.FT_LessThan, SMESH.FT_MoreThan, SMESH.FT_EqualTo}
# @param Threshold the threshold value (range of ids as string, shape, numeric)
# @param UnaryOp SMESH.FT_LogicalNOT or SMESH.FT_Undefined
# @param BinaryOp a binary logical operation SMESH.FT_LogicalAND, SMESH.FT_LogicalOR or
# SMESH.FT_Undefined
# @param Tolerance the tolerance used by SMESH.FT_BelongToGeom, SMESH.FT_BelongToSurface,
# SMESH.FT_LyingOnGeom, SMESH.FT_CoplanarFaces criteria
# @return SMESH.Filter.Criterion
#
# <a href="../tui_filters_page.html#combining_filters">Example of Criteria usage</a>
# @ingroup l1_controls
def GetCriterion(self,elementType,
CritType,
Compare = FT_EqualTo,
Threshold="",
UnaryOp=FT_Undefined,
BinaryOp=FT_Undefined,
Tolerance=1e-07):
if not CritType in SMESH.FunctorType._items:
raise TypeError("CritType should be of SMESH.FunctorType")
aCriterion = self.GetEmptyCriterion()
aCriterion.TypeOfElement = elementType
aCriterion.Type = self.EnumToLong(CritType)
aCriterion.Tolerance = Tolerance
aThreshold = Threshold
if Compare in [FT_LessThan, FT_MoreThan, FT_EqualTo]:
aCriterion.Compare = self.EnumToLong(Compare)
elif Compare == "=" or Compare == "==":
aCriterion.Compare = self.EnumToLong(FT_EqualTo)
elif Compare == "<":
aCriterion.Compare = self.EnumToLong(FT_LessThan)
elif Compare == ">":
aCriterion.Compare = self.EnumToLong(FT_MoreThan)
elif Compare != FT_Undefined:
aCriterion.Compare = self.EnumToLong(FT_EqualTo)
aThreshold = Compare
if CritType in [FT_BelongToGeom, FT_BelongToPlane, FT_BelongToGenSurface,
FT_BelongToCylinder, FT_LyingOnGeom]:
# Check that Threshold is GEOM object
if isinstance(aThreshold, geomBuilder.GEOM._objref_GEOM_Object):
aCriterion.ThresholdStr = GetName(aThreshold)
aCriterion.ThresholdID = aThreshold.GetStudyEntry()
if not aCriterion.ThresholdID:
name = aCriterion.ThresholdStr
if not name:
name = "%s_%s"%(aThreshold.GetShapeType(), id(aThreshold)%10000)
aCriterion.ThresholdID = self.geompyD.addToStudy( aThreshold, name )
# or a name of GEOM object
elif isinstance( aThreshold, str ):
aCriterion.ThresholdStr = aThreshold
else:
raise TypeError("The Threshold should be a shape.")
if isinstance(UnaryOp,float):
aCriterion.Tolerance = UnaryOp
UnaryOp = FT_Undefined
pass
elif CritType == FT_BelongToMeshGroup:
# Check that Threshold is a group
if isinstance(aThreshold, SMESH._objref_SMESH_GroupBase):
if aThreshold.GetType() != elementType:
raise ValueError("Group type mismatches Element type")
aCriterion.ThresholdStr = aThreshold.GetName()
aCriterion.ThresholdID = salome.orb.object_to_string( aThreshold )
study = self.GetCurrentStudy()
if study:
so = study.FindObjectIOR( aCriterion.ThresholdID )
if so:
entry = so.GetID()
if entry:
aCriterion.ThresholdID = entry
else:
raise TypeError("The Threshold should be a Mesh Group")
elif CritType == FT_RangeOfIds:
# Check that Threshold is string
if isinstance(aThreshold, str):
aCriterion.ThresholdStr = aThreshold
else:
raise TypeError("The Threshold should be a string.")
elif CritType == FT_CoplanarFaces:
# Check the Threshold
if isinstance(aThreshold, int):
aCriterion.ThresholdID = str(aThreshold)
elif isinstance(aThreshold, str):
ID = int(aThreshold)
if ID < 1:
raise ValueError("Invalid ID of mesh face: '%s'"%aThreshold)
aCriterion.ThresholdID = aThreshold
else:
raise TypeError("The Threshold should be an ID of mesh face and not '%s'"%aThreshold)
elif CritType == FT_ConnectedElements:
# Check the Threshold
if isinstance(aThreshold, geomBuilder.GEOM._objref_GEOM_Object): # shape
aCriterion.ThresholdID = aThreshold.GetStudyEntry()
if not aCriterion.ThresholdID:
name = aThreshold.GetName()
if not name:
name = "%s_%s"%(aThreshold.GetShapeType(), id(aThreshold)%10000)
aCriterion.ThresholdID = self.geompyD.addToStudy( aThreshold, name )
elif isinstance(aThreshold, int): # node id
aCriterion.Threshold = aThreshold
elif isinstance(aThreshold, list): # 3 point coordinates
if len( aThreshold ) < 3:
raise ValueError("too few point coordinates, must be 3")
aCriterion.ThresholdStr = " ".join( [str(c) for c in aThreshold[:3]] )
elif isinstance(aThreshold, str):
if aThreshold.isdigit():
aCriterion.Threshold = aThreshold # node id
else:
aCriterion.ThresholdStr = aThreshold # hope that it's point coordinates
else:
raise TypeError("The Threshold should either a VERTEX, or a node ID, "\
"or a list of point coordinates and not '%s'"%aThreshold)
elif CritType == FT_ElemGeomType:
# Check the Threshold
try:
aCriterion.Threshold = self.EnumToLong(aThreshold)
assert( aThreshold in SMESH.GeometryType._items )
except:
if isinstance(aThreshold, int):
aCriterion.Threshold = aThreshold
else:
raise TypeError("The Threshold should be an integer or SMESH.GeometryType.")
pass
pass
elif CritType == FT_EntityType:
# Check the Threshold
try:
aCriterion.Threshold = self.EnumToLong(aThreshold)
assert( aThreshold in SMESH.EntityType._items )
except:
if isinstance(aThreshold, int):
aCriterion.Threshold = aThreshold
else:
raise TypeError("The Threshold should be an integer or SMESH.EntityType.")
pass
pass
elif CritType == FT_GroupColor:
# Check the Threshold
try:
aCriterion.ThresholdStr = self.ColorToString(aThreshold)
except:
raise TypeError("The threshold value should be of SALOMEDS.Color type")
pass
elif CritType in [FT_FreeBorders, FT_FreeEdges, FT_FreeNodes, FT_FreeFaces,
FT_LinearOrQuadratic, FT_BadOrientedVolume,
FT_BareBorderFace, FT_BareBorderVolume,
FT_OverConstrainedFace, FT_OverConstrainedVolume,
FT_EqualNodes,FT_EqualEdges,FT_EqualFaces,FT_EqualVolumes ]:
# At this point the Threshold is unnecessary
if aThreshold == FT_LogicalNOT:
aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
elif aThreshold in [FT_LogicalAND, FT_LogicalOR]:
aCriterion.BinaryOp = aThreshold
else:
# Check Threshold
try:
aThreshold = float(aThreshold)
aCriterion.Threshold = aThreshold
except:
raise TypeError("The Threshold should be a number.")
return None
if Threshold == FT_LogicalNOT or UnaryOp == FT_LogicalNOT:
aCriterion.UnaryOp = self.EnumToLong(FT_LogicalNOT)
if Threshold in [FT_LogicalAND, FT_LogicalOR]:
aCriterion.BinaryOp = self.EnumToLong(Threshold)
if UnaryOp in [FT_LogicalAND, FT_LogicalOR]:
aCriterion.BinaryOp = self.EnumToLong(UnaryOp)
if BinaryOp in [FT_LogicalAND, FT_LogicalOR]:
aCriterion.BinaryOp = self.EnumToLong(BinaryOp)
return aCriterion
## Create a filter with the given parameters
# @param elementType the type of elements (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
# @param CritType the type of criterion (SMESH.FT_Taper, SMESH.FT_Area, etc.)
# Type SMESH.FunctorType._items in the Python Console to see all values.
# Note that the items starting from FT_LessThan are not suitable for CritType.
# @param Compare belongs to {SMESH.FT_LessThan, SMESH.FT_MoreThan, SMESH.FT_EqualTo}
# @param Threshold the threshold value (range of ids as string, shape, numeric)
# @param UnaryOp SMESH.FT_LogicalNOT or SMESH.FT_Undefined
# @param Tolerance the tolerance used by SMESH.FT_BelongToGeom, SMESH.FT_BelongToSurface,
# SMESH.FT_LyingOnGeom, SMESH.FT_CoplanarFaces and SMESH.FT_EqualNodes criteria
# @param mesh the mesh to initialize the filter with
# @return SMESH_Filter
#
# <a href="../tui_filters_page.html#tui_filters">Example of Filters usage</a>
# @ingroup l1_controls
def GetFilter(self,elementType,
CritType=FT_Undefined,
Compare=FT_EqualTo,
Threshold="",
UnaryOp=FT_Undefined,
Tolerance=1e-07,
mesh=None):
aCriterion = self.GetCriterion(elementType, CritType, Compare, Threshold, UnaryOp, FT_Undefined,Tolerance)
aFilterMgr = self.CreateFilterManager()
aFilter = aFilterMgr.CreateFilter()
aCriteria = []
aCriteria.append(aCriterion)
aFilter.SetCriteria(aCriteria)
if mesh:
if isinstance( mesh, Mesh ): aFilter.SetMesh( mesh.GetMesh() )
else : aFilter.SetMesh( mesh )
aFilterMgr.UnRegister()
return aFilter
## Create a filter from criteria
# @param criteria a list of criteria
# @param binOp binary operator used when binary operator of criteria is undefined
# @return SMESH_Filter
#
# <a href="../tui_filters_page.html#tui_filters">Example of Filters usage</a>
# @ingroup l1_controls
def GetFilterFromCriteria(self,criteria, binOp=SMESH.FT_LogicalAND):
for i in range( len( criteria ) - 1 ):
if criteria[i].BinaryOp == self.EnumToLong( SMESH.FT_Undefined ):
criteria[i].BinaryOp = self.EnumToLong( binOp )
aFilterMgr = self.CreateFilterManager()
aFilter = aFilterMgr.CreateFilter()
aFilter.SetCriteria(criteria)
aFilterMgr.UnRegister()
return aFilter
## Create a numerical functor by its type
# @param theCriterion functor type - an item of SMESH.FunctorType enumeration.
# Type SMESH.FunctorType._items in the Python Console to see all items.
# Note that not all items correspond to numerical functors.
# @return SMESH_NumericalFunctor
# @ingroup l1_controls
def GetFunctor(self,theCriterion):
if isinstance( theCriterion, SMESH._objref_NumericalFunctor ):
return theCriterion
aFilterMgr = self.CreateFilterManager()
functor = None
if theCriterion == FT_AspectRatio:
functor = aFilterMgr.CreateAspectRatio()
elif theCriterion == FT_AspectRatio3D:
functor = aFilterMgr.CreateAspectRatio3D()
elif theCriterion == FT_Warping:
functor = aFilterMgr.CreateWarping()
elif theCriterion == FT_MinimumAngle:
functor = aFilterMgr.CreateMinimumAngle()
elif theCriterion == FT_Taper:
functor = aFilterMgr.CreateTaper()
elif theCriterion == FT_Skew:
functor = aFilterMgr.CreateSkew()
elif theCriterion == FT_Area:
functor = aFilterMgr.CreateArea()
elif theCriterion == FT_Volume3D:
functor = aFilterMgr.CreateVolume3D()
elif theCriterion == FT_MaxElementLength2D:
functor = aFilterMgr.CreateMaxElementLength2D()
elif theCriterion == FT_MaxElementLength3D:
functor = aFilterMgr.CreateMaxElementLength3D()
elif theCriterion == FT_MultiConnection:
functor = aFilterMgr.CreateMultiConnection()
elif theCriterion == FT_MultiConnection2D:
functor = aFilterMgr.CreateMultiConnection2D()
elif theCriterion == FT_Length:
functor = aFilterMgr.CreateLength()
elif theCriterion == FT_Length2D:
functor = aFilterMgr.CreateLength2D()
elif theCriterion == FT_NodeConnectivityNumber:
functor = aFilterMgr.CreateNodeConnectivityNumber()
elif theCriterion == FT_BallDiameter:
functor = aFilterMgr.CreateBallDiameter()
else:
print("Error: given parameter is not numerical functor type.")
aFilterMgr.UnRegister()
return functor
## Create hypothesis
# @param theHType mesh hypothesis type (string)
# @param theLibName mesh plug-in library name
# @return created hypothesis instance
def CreateHypothesis(self, theHType, theLibName="libStdMeshersEngine.so"):
hyp = SMESH._objref_SMESH_Gen.CreateHypothesis(self, theHType, theLibName )
if isinstance( hyp, SMESH._objref_SMESH_Algo ):
return hyp
# wrap hypothesis methods
#print "HYPOTHESIS", theHType
for meth_name in dir( hyp.__class__ ):
if not meth_name.startswith("Get") and \
not meth_name in dir ( SMESH._objref_SMESH_Hypothesis ):
method = getattr ( hyp.__class__, meth_name )
if isinstance(method, collections.Callable):
setattr( hyp, meth_name, hypMethodWrapper( hyp, method ))
return hyp
## Get the mesh statistic
# @return dictionary "element type" - "count of elements"
# @ingroup l1_meshinfo
def GetMeshInfo(self, obj):
if isinstance( obj, Mesh ):
obj = obj.GetMesh()
d = {}
if hasattr(obj, "GetMeshInfo"):
values = obj.GetMeshInfo()
for i in range(SMESH.Entity_Last._v):
if i < len(values): d[SMESH.EntityType._item(i)]=values[i]
pass
return d
## Get minimum distance between two objects
#
# If @a src2 is None, and @a id2 = 0, distance from @a src1 / @a id1 to the origin is computed.
# If @a src2 is None, and @a id2 != 0, it is assumed that both @a id1 and @a id2 belong to @a src1.
#
# @param src1 first source object
# @param src2 second source object
# @param id1 node/element id from the first source
# @param id2 node/element id from the second (or first) source
# @param isElem1 @c True if @a id1 is element id, @c False if it is node id
# @param isElem2 @c True if @a id2 is element id, @c False if it is node id
# @return minimum distance value
# @sa GetMinDistance()
# @ingroup l1_measurements
def MinDistance(self, src1, src2=None, id1=0, id2=0, isElem1=False, isElem2=False):
result = self.GetMinDistance(src1, src2, id1, id2, isElem1, isElem2)
if result is None:
result = 0.0
else:
result = result.value
return result
## Get measure structure specifying minimum distance data between two objects
#
# If @a src2 is None, and @a id2 = 0, distance from @a src1 / @a id1 to the origin is computed.
# If @a src2 is None, and @a id2 != 0, it is assumed that both @a id1 and @a id2 belong to @a src1.
#
# @param src1 first source object
# @param src2 second source object
# @param id1 node/element id from the first source
# @param id2 node/element id from the second (or first) source
# @param isElem1 @c True if @a id1 is element id, @c False if it is node id
# @param isElem2 @c True if @a id2 is element id, @c False if it is node id
# @return Measure structure or None if input data is invalid
# @sa MinDistance()
# @ingroup l1_measurements
def GetMinDistance(self, src1, src2=None, id1=0, id2=0, isElem1=False, isElem2=False):
if isinstance(src1, Mesh): src1 = src1.mesh
if isinstance(src2, Mesh): src2 = src2.mesh
if src2 is None and id2 != 0: src2 = src1
if not hasattr(src1, "_narrow"): return None
src1 = src1._narrow(SMESH.SMESH_IDSource)
if not src1: return None
unRegister = genObjUnRegister()
if id1 != 0:
m = src1.GetMesh()
e = m.GetMeshEditor()
if isElem1:
src1 = e.MakeIDSource([id1], SMESH.FACE)
else:
src1 = e.MakeIDSource([id1], SMESH.NODE)
unRegister.set( src1 )
pass
if hasattr(src2, "_narrow"):
src2 = src2._narrow(SMESH.SMESH_IDSource)
if src2 and id2 != 0:
m = src2.GetMesh()
e = m.GetMeshEditor()
if isElem2:
src2 = e.MakeIDSource([id2], SMESH.FACE)
else:
src2 = e.MakeIDSource([id2], SMESH.NODE)
unRegister.set( src2 )
pass
pass
aMeasurements = self.CreateMeasurements()
unRegister.set( aMeasurements )
result = aMeasurements.MinDistance(src1, src2)
return result
## Get bounding box of the specified object(s)
# @param objects single source object or list of source objects
# @return tuple of six values (minX, minY, minZ, maxX, maxY, maxZ)
# @sa GetBoundingBox()
# @ingroup l1_measurements
def BoundingBox(self, objects):
result = self.GetBoundingBox(objects)
if result is None:
result = (0.0,)*6
else:
result = (result.minX, result.minY, result.minZ, result.maxX, result.maxY, result.maxZ)
return result
## Get measure structure specifying bounding box data of the specified object(s)
# @param objects single source object or list of source objects
# @return Measure structure
# @sa BoundingBox()
# @ingroup l1_measurements
def GetBoundingBox(self, objects):
if isinstance(objects, tuple):
objects = list(objects)
if not isinstance(objects, list):
objects = [objects]
srclist = []
for o in objects:
if isinstance(o, Mesh):
srclist.append(o.mesh)
elif hasattr(o, "_narrow"):
src = o._narrow(SMESH.SMESH_IDSource)
if src: srclist.append(src)
pass
pass
aMeasurements = self.CreateMeasurements()
result = aMeasurements.BoundingBox(srclist)
aMeasurements.UnRegister()
return result
## Get sum of lengths of all 1D elements in the mesh object.
# @param obj mesh, submesh or group
# @return sum of lengths of all 1D elements
# @ingroup l1_measurements
def GetLength(self, obj):
if isinstance(obj, Mesh): obj = obj.mesh
if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
aMeasurements = self.CreateMeasurements()
value = aMeasurements.Length(obj)
aMeasurements.UnRegister()
return value
## Get sum of areas of all 2D elements in the mesh object.
# @param obj mesh, submesh or group
# @return sum of areas of all 2D elements
# @ingroup l1_measurements
def GetArea(self, obj):
if isinstance(obj, Mesh): obj = obj.mesh
if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
aMeasurements = self.CreateMeasurements()
value = aMeasurements.Area(obj)
aMeasurements.UnRegister()
return value
## Get sum of volumes of all 3D elements in the mesh object.
# @param obj mesh, submesh or group
# @return sum of volumes of all 3D elements
# @ingroup l1_measurements
def GetVolume(self, obj):
if isinstance(obj, Mesh): obj = obj.mesh
if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
aMeasurements = self.CreateMeasurements()
value = aMeasurements.Volume(obj)
aMeasurements.UnRegister()
return value
pass # end of class smeshBuilder
import omniORB
#Registering the new proxy for SMESH_Gen
omniORB.registerObjref(SMESH._objref_SMESH_Gen._NP_RepositoryId, smeshBuilder)
## Create a new smeshBuilder instance.The smeshBuilder class provides the Python
# interface to create or load meshes.
#
# Typical use is:
# \code
# import salome
# salome.salome_init()
# from salome.smesh import smeshBuilder
# smesh = smeshBuilder.New(salome.myStudy)
# \endcode
# @param study SALOME study, generally obtained by salome.myStudy.
# @param instance CORBA proxy of SMESH Engine. If None, the default Engine is used.
# @return smeshBuilder instance
def New( study, instance=None):
"""
Create a new smeshBuilder instance.The smeshBuilder class provides the Python
interface to create or load meshes.
Typical use is:
import salome
salome.salome_init()
from salome.smesh import smeshBuilder
smesh = smeshBuilder.New(salome.myStudy)
Parameters:
study SALOME study, generally obtained by salome.myStudy.
instance CORBA proxy of SMESH Engine. If None, the default Engine is used.
Returns:
smeshBuilder instance
"""
global engine
global smeshInst
global doLcc
engine = instance
if engine is None:
doLcc = True
smeshInst = smeshBuilder()
assert isinstance(smeshInst,smeshBuilder), "Smesh engine class is %s but should be smeshBuilder.smeshBuilder. Import salome.smesh.smeshBuilder before creating the instance."%smeshInst.__class__
smeshInst.init_smesh(study)
return smeshInst
# Public class: Mesh
# ==================
## This class allows defining and managing a mesh.
# It has a set of methods to build a mesh on the given geometry, including the definition of sub-meshes.
# It also has methods to define groups of mesh elements, to modify a mesh (by addition of
# new nodes and elements and by changing the existing entities), to get information
# about a mesh and to export a mesh in different formats.
class Mesh(metaclass=MeshMeta):
geom = 0
mesh = 0
editor = 0
## Constructor
#
# Create a mesh on the shape \a obj (or an empty mesh if \a obj is equal to 0) and
# sets the GUI name of this mesh to \a name.
# @param smeshpyD an instance of smeshBuilder class
# @param geompyD an instance of geomBuilder class
# @param obj Shape to be meshed or SMESH_Mesh object
# @param name Study name of the mesh
# @ingroup l2_construct
def __init__(self, smeshpyD, geompyD, obj=0, name=0):
self.smeshpyD=smeshpyD
self.geompyD=geompyD
if obj is None:
obj = 0
objHasName = False
if obj != 0:
if isinstance(obj, geomBuilder.GEOM._objref_GEOM_Object):
self.geom = obj
objHasName = True
# publish geom of mesh (issue 0021122)
if not self.geom.GetStudyEntry() and smeshpyD.GetCurrentStudy():
objHasName = False
studyID = smeshpyD.GetCurrentStudy()._get_StudyId()
if studyID != geompyD.myStudyId:
geompyD.init_geom( smeshpyD.GetCurrentStudy())
pass
if name:
geo_name = name + " shape"
else:
geo_name = "%s_%s to mesh"%(self.geom.GetShapeType(), id(self.geom)%100)
geompyD.addToStudy( self.geom, geo_name )
self.SetMesh( self.smeshpyD.CreateMesh(self.geom) )
elif isinstance(obj, SMESH._objref_SMESH_Mesh):
self.SetMesh(obj)
else:
self.SetMesh( self.smeshpyD.CreateEmptyMesh() )
if name:
self.smeshpyD.SetName(self.mesh, name)
elif objHasName:
self.smeshpyD.SetName(self.mesh, GetName(obj)) # + " mesh"
if not self.geom:
self.geom = self.mesh.GetShapeToMesh()
self.editor = self.mesh.GetMeshEditor()
self.functors = [None] * SMESH.FT_Undefined._v
# set self to algoCreator's
for attrName in dir(self):
attr = getattr( self, attrName )
if isinstance( attr, algoCreator ):
setattr( self, attrName, attr.copy( self ))
pass
pass
pass
## Destructor. Clean-up resources
def __del__(self):
if self.mesh:
#self.mesh.UnRegister()
pass
pass
## Initialize the Mesh object from an instance of SMESH_Mesh interface
# @param theMesh a SMESH_Mesh object
# @ingroup l2_construct
def SetMesh(self, theMesh):
# do not call Register() as this prevents mesh servant deletion at closing study
#if self.mesh: self.mesh.UnRegister()
self.mesh = theMesh
if self.mesh:
#self.mesh.Register()
self.geom = self.mesh.GetShapeToMesh()
pass
## Return the mesh, that is an instance of SMESH_Mesh interface
# @return a SMESH_Mesh object
# @ingroup l2_construct
def GetMesh(self):
return self.mesh
## Get the name of the mesh
# @return the name of the mesh as a string
# @ingroup l2_construct
def GetName(self):
name = GetName(self.GetMesh())
return name
## Set a name to the mesh
# @param name a new name of the mesh
# @ingroup l2_construct
def SetName(self, name):
self.smeshpyD.SetName(self.GetMesh(), name)
## Get a sub-mesh object associated to a \a geom geometrical object.
# @param geom a geometrical object (shape)
# @param name a name for the sub-mesh in the Object Browser
# @return an object of type SMESH.SMESH_subMesh, representing a part of mesh,
# which lies on the given shape
#
# The sub-mesh object gives access to the IDs of nodes and elements.
# The sub-mesh object has the following methods:
# - SMESH.SMESH_subMesh.GetNumberOfElements()
# - SMESH.SMESH_subMesh.GetNumberOfNodes( all )
# - SMESH.SMESH_subMesh.GetElementsId()
# - SMESH.SMESH_subMesh.GetElementsByType( ElementType )
# - SMESH.SMESH_subMesh.GetNodesId()
# - SMESH.SMESH_subMesh.GetSubShape()
# - SMESH.SMESH_subMesh.GetFather()
# - SMESH.SMESH_subMesh.GetId()
# @note A sub-mesh is implicitly created when a sub-shape is specified at
# creating an algorithm, for example: <code>algo1D = mesh.Segment(geom=Edge_1) </code>
# creates a sub-mesh on @c Edge_1 and assign Wire Discretization algorithm to it.
# The created sub-mesh can be retrieved from the algorithm:
# <code>submesh = algo1D.GetSubMesh()</code>
# @ingroup l2_submeshes
def GetSubMesh(self, geom, name):
AssureGeomPublished( self, geom, name )
submesh = self.mesh.GetSubMesh( geom, name )
return submesh
## Return the shape associated to the mesh
# @return a GEOM_Object
# @ingroup l2_construct
def GetShape(self):
return self.geom
## Associate the given shape to the mesh (entails the recreation of the mesh)
# @param geom the shape to be meshed (GEOM_Object)
# @ingroup l2_construct
def SetShape(self, geom):
self.mesh = self.smeshpyD.CreateMesh(geom)
## Load mesh from the study after opening the study
def Load(self):
self.mesh.Load()
## Return true if the hypotheses are defined well
# @param theSubObject a sub-shape of a mesh shape
# @return True or False
# @ingroup l2_construct
def IsReadyToCompute(self, theSubObject):
return self.smeshpyD.IsReadyToCompute(self.mesh, theSubObject)
## Return errors of hypotheses definition.
# The list of errors is empty if everything is OK.
# @param theSubObject a sub-shape of a mesh shape
# @return a list of errors
# @ingroup l2_construct
def GetAlgoState(self, theSubObject):
return self.smeshpyD.GetAlgoState(self.mesh, theSubObject)
## Return a geometrical object on which the given element was built.
# The returned geometrical object, if not nil, is either found in the
# study or published by this method with the given name
# @param theElementID the id of the mesh element
# @param theGeomName the user-defined name of the geometrical object
# @return GEOM::GEOM_Object instance
# @ingroup l1_meshinfo
def GetGeometryByMeshElement(self, theElementID, theGeomName):
return self.smeshpyD.GetGeometryByMeshElement( self.mesh, theElementID, theGeomName )
## Return the mesh dimension depending on the dimension of the underlying shape
# or, if the mesh is not based on any shape, basing on deimension of elements
# @return mesh dimension as an integer value [0,3]
# @ingroup l1_meshinfo
def MeshDimension(self):
if self.mesh.HasShapeToMesh():
shells = self.geompyD.SubShapeAllIDs( self.geom, self.geompyD.ShapeType["SOLID"] )
if len( shells ) > 0 :
return 3
elif self.geompyD.NumberOfFaces( self.geom ) > 0 :
return 2
elif self.geompyD.NumberOfEdges( self.geom ) > 0 :
return 1
else:
return 0;
else:
if self.NbVolumes() > 0: return 3
if self.NbFaces() > 0: return 2
if self.NbEdges() > 0: return 1
return 0
## Evaluate size of prospective mesh on a shape
# @return a list where i-th element is a number of elements of i-th SMESH.EntityType
# To know predicted number of e.g. edges, inquire it this way
# Evaluate()[ EnumToLong( Entity_Edge )]
# @ingroup l2_construct
def Evaluate(self, geom=0):
if geom == 0 or not isinstance(geom, geomBuilder.GEOM._objref_GEOM_Object):
if self.geom == 0:
geom = self.mesh.GetShapeToMesh()
else:
geom = self.geom
return self.smeshpyD.Evaluate(self.mesh, geom)
## Compute the mesh and return the status of the computation
# @param geom geomtrical shape on which mesh data should be computed
# @param discardModifs if True and the mesh has been edited since
# a last total re-compute and that may prevent successful partial re-compute,
# then the mesh is cleaned before Compute()
# @param refresh if @c True, Object browser is automatically updated (when running in GUI)
# @return True or False
# @ingroup l2_construct
def Compute(self, geom=0, discardModifs=False, refresh=False):
if geom == 0 or not isinstance(geom, geomBuilder.GEOM._objref_GEOM_Object):
if self.geom == 0:
geom = self.mesh.GetShapeToMesh()
else:
geom = self.geom
ok = False
try:
if discardModifs and self.mesh.HasModificationsToDiscard(): # issue 0020693
self.mesh.Clear()
ok = self.smeshpyD.Compute(self.mesh, geom)
except SALOME.SALOME_Exception as ex:
print("Mesh computation failed, exception caught:")
print(" ", ex.details.text)
except:
import traceback
print("Mesh computation failed, exception caught:")
traceback.print_exc()
if True:#not ok:
allReasons = ""
# Treat compute errors
computeErrors = self.smeshpyD.GetComputeErrors( self.mesh, geom )
shapeText = ""
for err in computeErrors:
if self.mesh.HasShapeToMesh():
shapeText = " on %s" % self.GetSubShapeName( err.subShapeID )
errText = ""
stdErrors = ["OK", #COMPERR_OK
"Invalid input mesh", #COMPERR_BAD_INPUT_MESH
"std::exception", #COMPERR_STD_EXCEPTION
"OCC exception", #COMPERR_OCC_EXCEPTION
"..", #COMPERR_SLM_EXCEPTION
"Unknown exception", #COMPERR_EXCEPTION
"Memory allocation problem", #COMPERR_MEMORY_PB
"Algorithm failed", #COMPERR_ALGO_FAILED
"Unexpected geometry", #COMPERR_BAD_SHAPE
"Warning", #COMPERR_WARNING
"Computation cancelled",#COMPERR_CANCELED
"No mesh on sub-shape"] #COMPERR_NO_MESH_ON_SHAPE
if err.code > 0:
if err.code < len(stdErrors): errText = stdErrors[err.code]
else:
errText = "code %s" % -err.code
if errText: errText += ". "
errText += err.comment
if allReasons: allReasons += "\n"
if ok:
allReasons += '- "%s"%s - %s' %(err.algoName, shapeText, errText)
else:
allReasons += '- "%s" failed%s. Error: %s' %(err.algoName, shapeText, errText)
pass
# Treat hyp errors
errors = self.smeshpyD.GetAlgoState( self.mesh, geom )
for err in errors:
if err.isGlobalAlgo:
glob = "global"
else:
glob = "local"
pass
dim = err.algoDim
name = err.algoName
if len(name) == 0:
reason = '%s %sD algorithm is missing' % (glob, dim)
elif err.state == HYP_MISSING:
reason = ('%s %sD algorithm "%s" misses %sD hypothesis'
% (glob, dim, name, dim))
elif err.state == HYP_NOTCONFORM:
reason = 'Global "Not Conform mesh allowed" hypothesis is missing'
elif err.state == HYP_BAD_PARAMETER:
reason = ('Hypothesis of %s %sD algorithm "%s" has a bad parameter value'
% ( glob, dim, name ))
elif err.state == HYP_BAD_GEOMETRY:
reason = ('%s %sD algorithm "%s" is assigned to mismatching'
'geometry' % ( glob, dim, name ))
elif err.state == HYP_HIDDEN_ALGO:
reason = ('%s %sD algorithm "%s" is ignored due to presence of a %s '
'algorithm of upper dimension generating %sD mesh'
% ( glob, dim, name, glob, dim ))
else:
reason = ("For unknown reason. "
"Developer, revise Mesh.Compute() implementation in smeshBuilder.py!")
pass
if allReasons: allReasons += "\n"
allReasons += "- " + reason
pass
if not ok or allReasons != "":
msg = '"' + GetName(self.mesh) + '"'
if ok: msg += " has been computed with warnings"
else: msg += " has not been computed"
if allReasons != "": msg += ":"
else: msg += "."
print(msg)
print(allReasons)
pass
if salome.sg.hasDesktop() and self.mesh.GetStudyId() >= 0:
if not isinstance( refresh, list): # not a call from subMesh.Compute()
smeshgui = salome.ImportComponentGUI("SMESH")
smeshgui.Init(self.mesh.GetStudyId())
smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), ok, (self.NbNodes()==0) )
if refresh: salome.sg.updateObjBrowser(True)
return ok
## Return a list of error messages (SMESH.ComputeError) of the last Compute()
# @ingroup l2_construct
def GetComputeErrors(self, shape=0 ):
if shape == 0:
shape = self.mesh.GetShapeToMesh()
return self.smeshpyD.GetComputeErrors( self.mesh, shape )
## Return a name of a sub-shape by its ID
# @param subShapeID a unique ID of a sub-shape
# @return a string describing the sub-shape; possible variants:
# - "Face_12" (published sub-shape)
# - FACE #3 (not published sub-shape)
# - sub-shape #3 (invalid sub-shape ID)
# - #3 (error in this function)
# @ingroup l1_auxiliary
def GetSubShapeName(self, subShapeID ):
if not self.mesh.HasShapeToMesh():
return ""
try:
shapeText = ""
mainIOR = salome.orb.object_to_string( self.GetShape() )
for sname in salome.myStudyManager.GetOpenStudies():
s = salome.myStudyManager.GetStudyByName(sname)
if not s: continue
mainSO = s.FindObjectIOR(mainIOR)
if not mainSO: continue
if subShapeID == 1:
shapeText = '"%s"' % mainSO.GetName()
subIt = s.NewChildIterator(mainSO)
while subIt.More():
subSO = subIt.Value()
subIt.Next()
obj = subSO.GetObject()
if not obj: continue
go = obj._narrow( geomBuilder.GEOM._objref_GEOM_Object )
if not go: continue
try:
ids = self.geompyD.GetSubShapeID( self.GetShape(), go )
except:
continue
if ids == subShapeID:
shapeText = '"%s"' % subSO.GetName()
break
if not shapeText:
shape = self.geompyD.GetSubShape( self.GetShape(), [subShapeID])
if shape:
shapeText = '%s #%s' % (shape.GetShapeType(), subShapeID)
else:
shapeText = 'sub-shape #%s' % (subShapeID)
except:
shapeText = "#%s" % (subShapeID)
return shapeText
## Return a list of sub-shapes meshing of which failed, grouped into GEOM groups by
# error of an algorithm
# @param publish if @c True, the returned groups will be published in the study
# @return a list of GEOM groups each named after a failed algorithm
# @ingroup l2_construct
def GetFailedShapes(self, publish=False):
algo2shapes = {}
computeErrors = self.smeshpyD.GetComputeErrors( self.mesh, self.GetShape() )
for err in computeErrors:
shape = self.geompyD.GetSubShape( self.GetShape(), [err.subShapeID])
if not shape: continue
if err.algoName in algo2shapes:
algo2shapes[ err.algoName ].append( shape )
else:
algo2shapes[ err.algoName ] = [ shape ]
pass
groups = []
for algoName, shapes in list(algo2shapes.items()):
while shapes:
groupType = self.smeshpyD.EnumToLong( shapes[0].GetShapeType() )
otherTypeShapes = []
sameTypeShapes = []
group = self.geompyD.CreateGroup( self.geom, groupType )
for shape in shapes:
if shape.GetShapeType() == shapes[0].GetShapeType():
sameTypeShapes.append( shape )
else:
otherTypeShapes.append( shape )
self.geompyD.UnionList( group, sameTypeShapes )
if otherTypeShapes:
group.SetName( "%s %s" % ( algoName, shapes[0].GetShapeType() ))
else:
group.SetName( algoName )
groups.append( group )
shapes = otherTypeShapes
pass
if publish:
for group in groups:
self.geompyD.addToStudyInFather( self.geom, group, group.GetName() )
return groups
## Return sub-mesh objects list in meshing order
# @return list of lists of sub-meshes
# @ingroup l2_construct
def GetMeshOrder(self):
return self.mesh.GetMeshOrder()
## Set order in which concurrent sub-meshes should be meshed
# @param submeshes list of lists of sub-meshes
# @ingroup l2_construct
def SetMeshOrder(self, submeshes):
return self.mesh.SetMeshOrder(submeshes)
## Remove all nodes and elements generated on geometry. Imported elements remain.
# @param refresh if @c True, Object browser is automatically updated (when running in GUI)
# @ingroup l2_construct
def Clear(self, refresh=False):
self.mesh.Clear()
if ( salome.sg.hasDesktop() and
salome.myStudyManager.GetStudyByID( self.mesh.GetStudyId() ) ):
smeshgui = salome.ImportComponentGUI("SMESH")
smeshgui.Init(self.mesh.GetStudyId())
smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), False, True )
if refresh: salome.sg.updateObjBrowser(True)
## Remove all nodes and elements of indicated shape
# @param refresh if @c True, Object browser is automatically updated (when running in GUI)
# @param geomId the ID of a sub-shape to remove elements on
# @ingroup l2_submeshes
def ClearSubMesh(self, geomId, refresh=False):
self.mesh.ClearSubMesh(geomId)
if salome.sg.hasDesktop():
smeshgui = salome.ImportComponentGUI("SMESH")
smeshgui.Init(self.mesh.GetStudyId())
smeshgui.SetMeshIcon( salome.ObjectToID( self.mesh ), False, True )
if refresh: salome.sg.updateObjBrowser(True)
## Compute a tetrahedral mesh using AutomaticLength + MEFISTO + Tetrahedron
# @param fineness [0.0,1.0] defines mesh fineness
# @return True or False
# @ingroup l3_algos_basic
def AutomaticTetrahedralization(self, fineness=0):
dim = self.MeshDimension()
# assign hypotheses
self.RemoveGlobalHypotheses()
self.Segment().AutomaticLength(fineness)
if dim > 1 :
self.Triangle().LengthFromEdges()
pass
if dim > 2 :
self.Tetrahedron()
pass
return self.Compute()
## Compute an hexahedral mesh using AutomaticLength + Quadrangle + Hexahedron
# @param fineness [0.0, 1.0] defines mesh fineness
# @return True or False
# @ingroup l3_algos_basic
def AutomaticHexahedralization(self, fineness=0):
dim = self.MeshDimension()
# assign the hypotheses
self.RemoveGlobalHypotheses()
self.Segment().AutomaticLength(fineness)
if dim > 1 :
self.Quadrangle()
pass
if dim > 2 :
self.Hexahedron()
pass
return self.Compute()
## Assign a hypothesis
# @param hyp a hypothesis to assign
# @param geom a subhape of mesh geometry
# @return SMESH.Hypothesis_Status
# @ingroup l2_editing
def AddHypothesis(self, hyp, geom=0):
if isinstance( hyp, geomBuilder.GEOM._objref_GEOM_Object ):
hyp, geom = geom, hyp
if isinstance( hyp, Mesh_Algorithm ):
hyp = hyp.GetAlgorithm()
pass
if not geom:
geom = self.geom
if not geom:
geom = self.mesh.GetShapeToMesh()
pass
isApplicable = True
if self.mesh.HasShapeToMesh():
hyp_type = hyp.GetName()
lib_name = hyp.GetLibName()
# checkAll = ( not geom.IsSame( self.mesh.GetShapeToMesh() ))
# if checkAll and geom:
# checkAll = geom.GetType() == 37
checkAll = False
isApplicable = self.smeshpyD.IsApplicable(hyp_type, lib_name, geom, checkAll)
if isApplicable:
AssureGeomPublished( self, geom, "shape for %s" % hyp.GetName())
status = self.mesh.AddHypothesis(geom, hyp)
else:
status = HYP_BAD_GEOMETRY,""
hyp_name = GetName( hyp )
geom_name = ""
if geom:
geom_name = geom.GetName()
isAlgo = hyp._narrow( SMESH_Algo )
TreatHypoStatus( status, hyp_name, geom_name, isAlgo, self )
return status
## Return True if an algorithm of hypothesis is assigned to a given shape
# @param hyp a hypothesis to check
# @param geom a subhape of mesh geometry
# @return True of False
# @ingroup l2_editing
def IsUsedHypothesis(self, hyp, geom):
if not hyp: # or not geom
return False
if isinstance( hyp, Mesh_Algorithm ):
hyp = hyp.GetAlgorithm()
pass
hyps = self.GetHypothesisList(geom)
for h in hyps:
if h.GetId() == hyp.GetId():
return True
return False
## Unassign a hypothesis
# @param hyp a hypothesis to unassign
# @param geom a sub-shape of mesh geometry
# @return SMESH.Hypothesis_Status
# @ingroup l2_editing
def RemoveHypothesis(self, hyp, geom=0):
if not hyp:
return None
if isinstance( hyp, Mesh_Algorithm ):
hyp = hyp.GetAlgorithm()
pass
shape = geom
if not shape:
shape = self.geom
pass
if self.IsUsedHypothesis( hyp, shape ):
return self.mesh.RemoveHypothesis( shape, hyp )
hypName = GetName( hyp )
geoName = GetName( shape )
print("WARNING: RemoveHypothesis() failed as '%s' is not assigned to '%s' shape" % ( hypName, geoName ))
return None
## Get the list of hypotheses added on a geometry
# @param geom a sub-shape of mesh geometry
# @return the sequence of SMESH_Hypothesis
# @ingroup l2_editing
def GetHypothesisList(self, geom):
return self.mesh.GetHypothesisList( geom )
## Remove all global hypotheses
# @ingroup l2_editing
def RemoveGlobalHypotheses(self):
current_hyps = self.mesh.GetHypothesisList( self.geom )
for hyp in current_hyps:
self.mesh.RemoveHypothesis( self.geom, hyp )
pass
pass
## Export the mesh in a file in MED format
## allowing to overwrite the file if it exists or add the exported data to its contents
# @param f is the file name
# @param auto_groups boolean parameter for creating/not creating
# the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
# the typical use is auto_groups=False.
# @param version MED format version (MED_V2_1 or MED_V2_2,
# the latter meaning any current version). The parameter is
# obsolete since MED_V2_1 is no longer supported.
# @param overwrite boolean parameter for overwriting/not overwriting the file
# @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
# @param autoDimension if @c True (default), a space dimension of a MED mesh can be either
# - 1D if all mesh nodes lie on OX coordinate axis, or
# - 2D if all mesh nodes lie on XOY coordinate plane, or
# - 3D in the rest cases.<br>
# If @a autoDimension is @c False, the space dimension is always 3.
# @param fields list of GEOM fields defined on the shape to mesh.
# @param geomAssocFields each character of this string means a need to export a
# corresponding field; correspondence between fields and characters is following:
# - 'v' stands for "_vertices _" field;
# - 'e' stands for "_edges _" field;
# - 'f' stands for "_faces _" field;
# - 's' stands for "_solids _" field.
# @ingroup l2_impexp
def ExportMED(self, f, auto_groups=0, version=MED_V2_2,
overwrite=1, meshPart=None, autoDimension=True, fields=[], geomAssocFields=''):
if meshPart or fields or geomAssocFields:
unRegister = genObjUnRegister()
if isinstance( meshPart, list ):
meshPart = self.GetIDSource( meshPart, SMESH.ALL )
unRegister.set( meshPart )
self.mesh.ExportPartToMED( meshPart, f, auto_groups, version, overwrite, autoDimension,
fields, geomAssocFields)
else:
self.mesh.ExportToMEDX(f, auto_groups, version, overwrite, autoDimension)
## Export the mesh in a file in SAUV format
# @param f is the file name
# @param auto_groups boolean parameter for creating/not creating
# the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
# the typical use is auto_groups=false.
# @ingroup l2_impexp
def ExportSAUV(self, f, auto_groups=0):
self.mesh.ExportSAUV(f, auto_groups)
## Export the mesh in a file in DAT format
# @param f the file name
# @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
# @ingroup l2_impexp
def ExportDAT(self, f, meshPart=None):
if meshPart:
unRegister = genObjUnRegister()
if isinstance( meshPart, list ):
meshPart = self.GetIDSource( meshPart, SMESH.ALL )
unRegister.set( meshPart )
self.mesh.ExportPartToDAT( meshPart, f )
else:
self.mesh.ExportDAT(f)
## Export the mesh in a file in UNV format
# @param f the file name
# @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
# @ingroup l2_impexp
def ExportUNV(self, f, meshPart=None):
if meshPart:
unRegister = genObjUnRegister()
if isinstance( meshPart, list ):
meshPart = self.GetIDSource( meshPart, SMESH.ALL )
unRegister.set( meshPart )
self.mesh.ExportPartToUNV( meshPart, f )
else:
self.mesh.ExportUNV(f)
## Export the mesh in a file in STL format
# @param f the file name
# @param ascii defines the file encoding
# @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
# @ingroup l2_impexp
def ExportSTL(self, f, ascii=1, meshPart=None):
if meshPart:
unRegister = genObjUnRegister()
if isinstance( meshPart, list ):
meshPart = self.GetIDSource( meshPart, SMESH.ALL )
unRegister.set( meshPart )
self.mesh.ExportPartToSTL( meshPart, f, ascii )
else:
self.mesh.ExportSTL(f, ascii)
## Export the mesh in a file in CGNS format
# @param f is the file name
# @param overwrite boolean parameter for overwriting/not overwriting the file
# @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
# @ingroup l2_impexp
def ExportCGNS(self, f, overwrite=1, meshPart=None):
unRegister = genObjUnRegister()
if isinstance( meshPart, list ):
meshPart = self.GetIDSource( meshPart, SMESH.ALL )
unRegister.set( meshPart )
if isinstance( meshPart, Mesh ):
meshPart = meshPart.mesh
elif not meshPart:
meshPart = self.mesh
self.mesh.ExportCGNS(meshPart, f, overwrite)
## Export the mesh in a file in GMF format.
# GMF files must have .mesh extension for the ASCII format and .meshb for
# the bynary format. Other extensions are not allowed.
# @param f is the file name
# @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
# @ingroup l2_impexp
def ExportGMF(self, f, meshPart=None):
unRegister = genObjUnRegister()
if isinstance( meshPart, list ):
meshPart = self.GetIDSource( meshPart, SMESH.ALL )
unRegister.set( meshPart )
if isinstance( meshPart, Mesh ):
meshPart = meshPart.mesh
elif not meshPart:
meshPart = self.mesh
self.mesh.ExportGMF(meshPart, f, True)
## Deprecated, used only for compatibility! Please, use ExportMED() method instead.
# Export the mesh in a file in MED format
# allowing to overwrite the file if it exists or add the exported data to its contents
# @param f the file name
# @param version MED format version (MED_V2_1 or MED_V2_2,
# the latter meaning any current version). The parameter is
# obsolete since MED_V2_1 is no longer supported.
# @param opt boolean parameter for creating/not creating
# the groups Group_On_All_Nodes, Group_On_All_Faces, ...
# @param overwrite boolean parameter for overwriting/not overwriting the file
# @param autoDimension if @c True (default), a space dimension of a MED mesh can be either
# - 1D if all mesh nodes lie on OX coordinate axis, or
# - 2D if all mesh nodes lie on XOY coordinate plane, or
# - 3D in the rest cases.<br>
# If @a autoDimension is @c False, the space dimension is always 3.
# @ingroup l2_impexp
def ExportToMED(self, f, version=MED_V2_2, opt=0, overwrite=1, autoDimension=True):
self.mesh.ExportToMEDX(f, opt, version, overwrite, autoDimension)
# Operations with groups:
# ----------------------
## Create an empty mesh group
# @param elementType the type of elements in the group; either of
# (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
# @param name the name of the mesh group
# @return SMESH_Group
# @ingroup l2_grps_create
def CreateEmptyGroup(self, elementType, name):
return self.mesh.CreateGroup(elementType, name)
## Create a mesh group based on the geometric object \a grp
# and gives a \a name, \n if this parameter is not defined
# the name is the same as the geometric group name \n
# Note: Works like GroupOnGeom().
# @param grp a geometric group, a vertex, an edge, a face or a solid
# @param name the name of the mesh group
# @return SMESH_GroupOnGeom
# @ingroup l2_grps_create
def Group(self, grp, name=""):
return self.GroupOnGeom(grp, name)
## Create a mesh group based on the geometrical object \a grp
# and gives a \a name, \n if this parameter is not defined
# the name is the same as the geometrical group name
# @param grp a geometrical group, a vertex, an edge, a face or a solid
# @param name the name of the mesh group
# @param typ the type of elements in the group; either of
# (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME). If not set, it is
# automatically detected by the type of the geometry
# @return SMESH_GroupOnGeom
# @ingroup l2_grps_create
def GroupOnGeom(self, grp, name="", typ=None):
AssureGeomPublished( self, grp, name )
if name == "":
name = grp.GetName()
if not typ:
typ = self._groupTypeFromShape( grp )
return self.mesh.CreateGroupFromGEOM(typ, name, grp)
## Pivate method to get a type of group on geometry
def _groupTypeFromShape( self, shape ):
tgeo = str(shape.GetShapeType())
if tgeo == "VERTEX":
typ = NODE
elif tgeo == "EDGE":
typ = EDGE
elif tgeo == "FACE" or tgeo == "SHELL":
typ = FACE
elif tgeo == "SOLID" or tgeo == "COMPSOLID":
typ = VOLUME
elif tgeo == "COMPOUND":
sub = self.geompyD.SubShapeAll( shape, self.geompyD.ShapeType["SHAPE"])
if not sub:
raise ValueError("_groupTypeFromShape(): empty geometric group or compound '%s'" % GetName(shape))
return self._groupTypeFromShape( sub[0] )
else:
raise ValueError("_groupTypeFromShape(): invalid geometry '%s'" % GetName(shape))
return typ
## Create a mesh group with given \a name based on the \a filter which
## is a special type of group dynamically updating it's contents during
## mesh modification
# @param typ the type of elements in the group; either of
# (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
# @param name the name of the mesh group
# @param filter the filter defining group contents
# @return SMESH_GroupOnFilter
# @ingroup l2_grps_create
def GroupOnFilter(self, typ, name, filter):
return self.mesh.CreateGroupFromFilter(typ, name, filter)
## Create a mesh group by the given ids of elements
# @param groupName the name of the mesh group
# @param elementType the type of elements in the group; either of
# (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
# @param elemIDs either the list of ids, group, sub-mesh, or filter
# @return SMESH_Group
# @ingroup l2_grps_create
def MakeGroupByIds(self, groupName, elementType, elemIDs):
group = self.mesh.CreateGroup(elementType, groupName)
if hasattr( elemIDs, "GetIDs" ):
if hasattr( elemIDs, "SetMesh" ):
elemIDs.SetMesh( self.GetMesh() )
group.AddFrom( elemIDs )
else:
group.Add(elemIDs)
return group
## Create a mesh group by the given conditions
# @param groupName the name of the mesh group
# @param elementType the type of elements(SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME)
# @param CritType the type of criterion (SMESH.FT_Taper, SMESH.FT_Area, etc.)
# Type SMESH.FunctorType._items in the Python Console to see all values.
# Note that the items starting from FT_LessThan are not suitable for CritType.
# @param Compare belongs to {SMESH.FT_LessThan, SMESH.FT_MoreThan, SMESH.FT_EqualTo}
# @param Threshold the threshold value (range of ids as string, shape, numeric)
# @param UnaryOp SMESH.FT_LogicalNOT or SMESH.FT_Undefined
# @param Tolerance the tolerance used by SMESH.FT_BelongToGeom, SMESH.FT_BelongToSurface,
# SMESH.FT_LyingOnGeom, SMESH.FT_CoplanarFaces criteria
# @return SMESH_GroupOnFilter
# @ingroup l2_grps_create
def MakeGroup(self,
groupName,
elementType,
CritType=FT_Undefined,
Compare=FT_EqualTo,
Threshold="",
UnaryOp=FT_Undefined,
Tolerance=1e-07):
aCriterion = self.smeshpyD.GetCriterion(elementType, CritType, Compare, Threshold, UnaryOp, FT_Undefined,Tolerance)
group = self.MakeGroupByCriterion(groupName, aCriterion)
return group
## Create a mesh group by the given criterion
# @param groupName the name of the mesh group
# @param Criterion the instance of Criterion class
# @return SMESH_GroupOnFilter
# @ingroup l2_grps_create
def MakeGroupByCriterion(self, groupName, Criterion):
return self.MakeGroupByCriteria( groupName, [Criterion] )
## Create a mesh group by the given criteria (list of criteria)
# @param groupName the name of the mesh group
# @param theCriteria the list of criteria
# @param binOp binary operator used when binary operator of criteria is undefined
# @return SMESH_GroupOnFilter
# @ingroup l2_grps_create
def MakeGroupByCriteria(self, groupName, theCriteria, binOp=SMESH.FT_LogicalAND):
aFilter = self.smeshpyD.GetFilterFromCriteria( theCriteria, binOp )
group = self.MakeGroupByFilter(groupName, aFilter)
return group
## Create a mesh group by the given filter
# @param groupName the name of the mesh group
# @param theFilter the instance of Filter class
# @return SMESH_GroupOnFilter
# @ingroup l2_grps_create
def MakeGroupByFilter(self, groupName, theFilter):
#group = self.CreateEmptyGroup(theFilter.GetElementType(), groupName)
#theFilter.SetMesh( self.mesh )
#group.AddFrom( theFilter )
group = self.GroupOnFilter( theFilter.GetElementType(), groupName, theFilter )
return group
## Remove a group
# @ingroup l2_grps_delete
def RemoveGroup(self, group):
self.mesh.RemoveGroup(group)
## Remove a group with its contents
# @ingroup l2_grps_delete
def RemoveGroupWithContents(self, group):
self.mesh.RemoveGroupWithContents(group)
## Get the list of groups existing in the mesh in the order
# of creation (starting from the oldest one)
# @param elemType type of elements the groups contain; either of
# (SMESH.ALL, SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME);
# by default groups of elements of all types are returned
# @return a sequence of SMESH_GroupBase
# @ingroup l2_grps_create
def GetGroups(self, elemType = SMESH.ALL):
groups = self.mesh.GetGroups()
if elemType == SMESH.ALL:
return groups
typedGroups = []
for g in groups:
if g.GetType() == elemType:
typedGroups.append( g )
pass
pass
return typedGroups
## Get the number of groups existing in the mesh
# @return the quantity of groups as an integer value
# @ingroup l2_grps_create
def NbGroups(self):
return self.mesh.NbGroups()
## Get the list of names of groups existing in the mesh
# @return list of strings
# @ingroup l2_grps_create
def GetGroupNames(self):
groups = self.GetGroups()
names = []
for group in groups:
names.append(group.GetName())
return names
## Find groups by name and type
# @param name name of the group of interest
# @param elemType type of elements the groups contain; either of
# (SMESH.ALL, SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME);
# by default one group of any type of elements is returned
# if elemType == SMESH.ALL then all groups of any type are returned
# @return a list of SMESH_GroupBase's
# @ingroup l2_grps_create
def GetGroupByName(self, name, elemType = None):
groups = []
for group in self.GetGroups():
if group.GetName() == name:
if elemType is None:
return [group]
if ( elemType == SMESH.ALL or
group.GetType() == elemType ):
groups.append( group )
return groups
## Produce a union of two groups.
# A new group is created. All mesh elements that are
# present in the initial groups are added to the new one
# @return an instance of SMESH_Group
# @ingroup l2_grps_operon
def UnionGroups(self, group1, group2, name):
return self.mesh.UnionGroups(group1, group2, name)
## Produce a union list of groups.
# New group is created. All mesh elements that are present in
# initial groups are added to the new one
# @return an instance of SMESH_Group
# @ingroup l2_grps_operon
def UnionListOfGroups(self, groups, name):
return self.mesh.UnionListOfGroups(groups, name)
## Prodice an intersection of two groups.
# A new group is created. All mesh elements that are common
# for the two initial groups are added to the new one.
# @return an instance of SMESH_Group
# @ingroup l2_grps_operon
def IntersectGroups(self, group1, group2, name):
return self.mesh.IntersectGroups(group1, group2, name)
## Produce an intersection of groups.
# New group is created. All mesh elements that are present in all
# initial groups simultaneously are added to the new one
# @return an instance of SMESH_Group
# @ingroup l2_grps_operon
def IntersectListOfGroups(self, groups, name):
return self.mesh.IntersectListOfGroups(groups, name)
## Produce a cut of two groups.
# A new group is created. All mesh elements that are present in
# the main group but are not present in the tool group are added to the new one
# @return an instance of SMESH_Group
# @ingroup l2_grps_operon
def CutGroups(self, main_group, tool_group, name):
return self.mesh.CutGroups(main_group, tool_group, name)
## Produce a cut of groups.
# A new group is created. All mesh elements that are present in main groups
# but do not present in tool groups are added to the new one
# @return an instance of SMESH_Group
# @ingroup l2_grps_operon
def CutListOfGroups(self, main_groups, tool_groups, name):
return self.mesh.CutListOfGroups(main_groups, tool_groups, name)
##
# Create a standalone group of entities basing on nodes of other groups.
# \param groups - list of reference groups, sub-meshes or filters, of any type.
# \param elemType - a type of elements to include to the new group; either of
# (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME).
# \param name - a name of the new group.
# \param nbCommonNodes - a criterion of inclusion of an element to the new group
# basing on number of element nodes common with reference \a groups.
# Meaning of possible values are:
# - SMESH.ALL_NODES - include if all nodes are common,
# - SMESH.MAIN - include if all corner nodes are common (meaningful for a quadratic mesh),
# - SMESH.AT_LEAST_ONE - include if one or more node is common,
# - SMEHS.MAJORITY - include if half of nodes or more are common.
# \param underlyingOnly - if \c True (default), an element is included to the
# new group provided that it is based on nodes of an element of \a groups;
# in this case the reference \a groups are supposed to be of higher dimension
# than \a elemType, which can be useful for example to get all faces lying on
# volumes of the reference \a groups.
# @return an instance of SMESH_Group
# @ingroup l2_grps_operon
def CreateDimGroup(self, groups, elemType, name,
nbCommonNodes = SMESH.ALL_NODES, underlyingOnly = True):
if isinstance( groups, SMESH._objref_SMESH_IDSource ):
groups = [groups]
return self.mesh.CreateDimGroup(groups, elemType, name, nbCommonNodes, underlyingOnly)
## Convert group on geom into standalone group
# @ingroup l2_grps_operon
def ConvertToStandalone(self, group):
return self.mesh.ConvertToStandalone(group)
# Get some info about mesh:
# ------------------------
## Return the log of nodes and elements added or removed
# since the previous clear of the log.
# @param clearAfterGet log is emptied after Get (safe if concurrents access)
# @return list of log_block structures:
# commandType
# number
# coords
# indexes
# @ingroup l1_auxiliary
def GetLog(self, clearAfterGet):
return self.mesh.GetLog(clearAfterGet)
## Clear the log of nodes and elements added or removed since the previous
# clear. Must be used immediately after GetLog if clearAfterGet is false.
# @ingroup l1_auxiliary
def ClearLog(self):
self.mesh.ClearLog()
## Toggle auto color mode on the object.
# @param theAutoColor the flag which toggles auto color mode.
#
# If switched on, a default color of a new group in Create Group dialog is chosen randomly.
# @ingroup l1_grouping
def SetAutoColor(self, theAutoColor):
self.mesh.SetAutoColor(theAutoColor)
## Get flag of object auto color mode.
# @return True or False
# @ingroup l1_grouping
def GetAutoColor(self):
return self.mesh.GetAutoColor()
## Get the internal ID
# @return integer value, which is the internal Id of the mesh
# @ingroup l1_auxiliary
def GetId(self):
return self.mesh.GetId()
## Get the study Id
# @return integer value, which is the study Id of the mesh
# @ingroup l1_auxiliary
def GetStudyId(self):
return self.mesh.GetStudyId()
## Check the group names for duplications.
# Consider the maximum group name length stored in MED file.
# @return True or False
# @ingroup l1_grouping
def HasDuplicatedGroupNamesMED(self):
return self.mesh.HasDuplicatedGroupNamesMED()
## Obtain the mesh editor tool
# @return an instance of SMESH_MeshEditor
# @ingroup l1_modifying
def GetMeshEditor(self):
return self.editor
## Wrap a list of IDs of elements or nodes into SMESH_IDSource which
# can be passed as argument to a method accepting mesh, group or sub-mesh
# @param ids list of IDs
# @param elemType type of elements; this parameter is used to distinguish
# IDs of nodes from IDs of elements; by default ids are treated as
# IDs of elements; use SMESH.NODE if ids are IDs of nodes.
# @return an instance of SMESH_IDSource
# @warning call UnRegister() for the returned object as soon as it is no more useful:
# idSrc = mesh.GetIDSource( [1,3,5], SMESH.NODE )
# mesh.DoSomething( idSrc )
# idSrc.UnRegister()
# @ingroup l1_auxiliary
def GetIDSource(self, ids, elemType = SMESH.ALL):
if isinstance( ids, int ):
ids = [ids]
return self.editor.MakeIDSource(ids, elemType)
# Get informations about mesh contents:
# ------------------------------------
## Get the mesh stattistic
# @return dictionary type element - count of elements
# @ingroup l1_meshinfo
def GetMeshInfo(self, obj = None):
if not obj: obj = self.mesh
return self.smeshpyD.GetMeshInfo(obj)
## Return the number of nodes in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbNodes(self):
return self.mesh.NbNodes()
## Return the number of elements in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbElements(self):
return self.mesh.NbElements()
## Return the number of 0d elements in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def Nb0DElements(self):
return self.mesh.Nb0DElements()
## Return the number of ball discrete elements in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbBalls(self):
return self.mesh.NbBalls()
## Return the number of edges in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbEdges(self):
return self.mesh.NbEdges()
## Return the number of edges with the given order in the mesh
# @param elementOrder the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbEdgesOfOrder(self, elementOrder):
return self.mesh.NbEdgesOfOrder(elementOrder)
## Return the number of faces in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbFaces(self):
return self.mesh.NbFaces()
## Return the number of faces with the given order in the mesh
# @param elementOrder the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbFacesOfOrder(self, elementOrder):
return self.mesh.NbFacesOfOrder(elementOrder)
## Return the number of triangles in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbTriangles(self):
return self.mesh.NbTriangles()
## Return the number of triangles with the given order in the mesh
# @param elementOrder is the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbTrianglesOfOrder(self, elementOrder):
return self.mesh.NbTrianglesOfOrder(elementOrder)
## Return the number of biquadratic triangles in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbBiQuadTriangles(self):
return self.mesh.NbBiQuadTriangles()
## Return the number of quadrangles in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbQuadrangles(self):
return self.mesh.NbQuadrangles()
## Return the number of quadrangles with the given order in the mesh
# @param elementOrder the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbQuadranglesOfOrder(self, elementOrder):
return self.mesh.NbQuadranglesOfOrder(elementOrder)
## Return the number of biquadratic quadrangles in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbBiQuadQuadrangles(self):
return self.mesh.NbBiQuadQuadrangles()
## Return the number of polygons of given order in the mesh
# @param elementOrder the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbPolygons(self, elementOrder = SMESH.ORDER_ANY):
return self.mesh.NbPolygonsOfOrder(elementOrder)
## Return the number of volumes in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbVolumes(self):
return self.mesh.NbVolumes()
## Return the number of volumes with the given order in the mesh
# @param elementOrder the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbVolumesOfOrder(self, elementOrder):
return self.mesh.NbVolumesOfOrder(elementOrder)
## Return the number of tetrahedrons in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbTetras(self):
return self.mesh.NbTetras()
## Return the number of tetrahedrons with the given order in the mesh
# @param elementOrder the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbTetrasOfOrder(self, elementOrder):
return self.mesh.NbTetrasOfOrder(elementOrder)
## Return the number of hexahedrons in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbHexas(self):
return self.mesh.NbHexas()
## Return the number of hexahedrons with the given order in the mesh
# @param elementOrder the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbHexasOfOrder(self, elementOrder):
return self.mesh.NbHexasOfOrder(elementOrder)
## Return the number of triquadratic hexahedrons in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbTriQuadraticHexas(self):
return self.mesh.NbTriQuadraticHexas()
## Return the number of pyramids in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbPyramids(self):
return self.mesh.NbPyramids()
## Return the number of pyramids with the given order in the mesh
# @param elementOrder the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbPyramidsOfOrder(self, elementOrder):
return self.mesh.NbPyramidsOfOrder(elementOrder)
## Return the number of prisms in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbPrisms(self):
return self.mesh.NbPrisms()
## Return the number of prisms with the given order in the mesh
# @param elementOrder the order of elements:
# SMESH.ORDER_ANY, SMESH.ORDER_LINEAR or SMESH.ORDER_QUADRATIC
# @return an integer value
# @ingroup l1_meshinfo
def NbPrismsOfOrder(self, elementOrder):
return self.mesh.NbPrismsOfOrder(elementOrder)
## Return the number of hexagonal prisms in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbHexagonalPrisms(self):
return self.mesh.NbHexagonalPrisms()
## Return the number of polyhedrons in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbPolyhedrons(self):
return self.mesh.NbPolyhedrons()
## Return the number of submeshes in the mesh
# @return an integer value
# @ingroup l1_meshinfo
def NbSubMesh(self):
return self.mesh.NbSubMesh()
## Return the list of mesh elements IDs
# @return the list of integer values
# @ingroup l1_meshinfo
def GetElementsId(self):
return self.mesh.GetElementsId()
## Return the list of IDs of mesh elements with the given type
# @param elementType the required type of elements, either of
# (SMESH.NODE, SMESH.EDGE, SMESH.FACE or SMESH.VOLUME)
# @return list of integer values
# @ingroup l1_meshinfo
def GetElementsByType(self, elementType):
return self.mesh.GetElementsByType(elementType)
## Return the list of mesh nodes IDs
# @return the list of integer values
# @ingroup l1_meshinfo
def GetNodesId(self):
return self.mesh.GetNodesId()
# Get the information about mesh elements:
# ------------------------------------
## Return the type of mesh element
# @return the value from SMESH::ElementType enumeration
# Type SMESH.ElementType._items in the Python Console to see all possible values.
# @ingroup l1_meshinfo
def GetElementType(self, id, iselem=True):
return self.mesh.GetElementType(id, iselem)
## Return the geometric type of mesh element
# @return the value from SMESH::EntityType enumeration
# Type SMESH.EntityType._items in the Python Console to see all possible values.
# @ingroup l1_meshinfo
def GetElementGeomType(self, id):
return self.mesh.GetElementGeomType(id)
## Return the shape type of mesh element
# @return the value from SMESH::GeometryType enumeration.
# Type SMESH.GeometryType._items in the Python Console to see all possible values.
# @ingroup l1_meshinfo
def GetElementShape(self, id):
return self.mesh.GetElementShape(id)
## Return the list of submesh elements IDs
# @param Shape a geom object(sub-shape)
# Shape must be the sub-shape of a ShapeToMesh()
# @return the list of integer values
# @ingroup l1_meshinfo
def GetSubMeshElementsId(self, Shape):
if isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object):
ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
else:
ShapeID = Shape
return self.mesh.GetSubMeshElementsId(ShapeID)
## Return the list of submesh nodes IDs
# @param Shape a geom object(sub-shape)
# Shape must be the sub-shape of a ShapeToMesh()
# @param all If true, gives all nodes of submesh elements, otherwise gives only submesh nodes
# @return the list of integer values
# @ingroup l1_meshinfo
def GetSubMeshNodesId(self, Shape, all):
if isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object):
ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
else:
ShapeID = Shape
return self.mesh.GetSubMeshNodesId(ShapeID, all)
## Return type of elements on given shape
# @param Shape a geom object(sub-shape)
# Shape must be a sub-shape of a ShapeToMesh()
# @return element type
# @ingroup l1_meshinfo
def GetSubMeshElementType(self, Shape):
if isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object):
ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
else:
ShapeID = Shape
return self.mesh.GetSubMeshElementType(ShapeID)
## Get the mesh description
# @return string value
# @ingroup l1_meshinfo
def Dump(self):
return self.mesh.Dump()
# Get the information about nodes and elements of a mesh by its IDs:
# -----------------------------------------------------------
## Get XYZ coordinates of a node
# \n If there is no nodes for the given ID - return an empty list
# @return a list of double precision values
# @ingroup l1_meshinfo
def GetNodeXYZ(self, id):
return self.mesh.GetNodeXYZ(id)
## Return list of IDs of inverse elements for the given node
# \n If there is no node for the given ID - return an empty list
# @return a list of integer values
# @ingroup l1_meshinfo
def GetNodeInverseElements(self, id):
return self.mesh.GetNodeInverseElements(id)
## Return the position of a node on the shape
# @return SMESH::NodePosition
# @ingroup l1_meshinfo
def GetNodePosition(self,NodeID):
return self.mesh.GetNodePosition(NodeID)
## Return the position of an element on the shape
# @return SMESH::ElementPosition
# @ingroup l1_meshinfo
def GetElementPosition(self,ElemID):
return self.mesh.GetElementPosition(ElemID)
## Return the ID of the shape, on which the given node was generated.
# @return an integer value > 0 or -1 if there is no node for the given
# ID or the node is not assigned to any geometry
# @ingroup l1_meshinfo
def GetShapeID(self, id):
return self.mesh.GetShapeID(id)
## Return the ID of the shape, on which the given element was generated.
# @return an integer value > 0 or -1 if there is no element for the given
# ID or the element is not assigned to any geometry
# @ingroup l1_meshinfo
def GetShapeIDForElem(self,id):
return self.mesh.GetShapeIDForElem(id)
## Return the number of nodes of the given element
# @return an integer value > 0 or -1 if there is no element for the given ID
# @ingroup l1_meshinfo
def GetElemNbNodes(self, id):
return self.mesh.GetElemNbNodes(id)
## Return the node ID the given (zero based) index for the given element
# \n If there is no element for the given ID - return -1
# \n If there is no node for the given index - return -2
# @return an integer value
# @ingroup l1_meshinfo
def GetElemNode(self, id, index):
return self.mesh.GetElemNode(id, index)
## Return the IDs of nodes of the given element
# @return a list of integer values
# @ingroup l1_meshinfo
def GetElemNodes(self, id):
return self.mesh.GetElemNodes(id)
## Return true if the given node is the medium node in the given quadratic element
# @ingroup l1_meshinfo
def IsMediumNode(self, elementID, nodeID):
return self.mesh.IsMediumNode(elementID, nodeID)
## Return true if the given node is the medium node in one of quadratic elements
# @param nodeID ID of the node
# @param elementType the type of elements to check a state of the node, either of
# (SMESH.ALL, SMESH.NODE, SMESH.EDGE, SMESH.FACE or SMESH.VOLUME)
# @ingroup l1_meshinfo
def IsMediumNodeOfAnyElem(self, nodeID, elementType = SMESH.ALL ):
return self.mesh.IsMediumNodeOfAnyElem(nodeID, elementType)
## Return the number of edges for the given element
# @ingroup l1_meshinfo
def ElemNbEdges(self, id):
return self.mesh.ElemNbEdges(id)
## Return the number of faces for the given element
# @ingroup l1_meshinfo
def ElemNbFaces(self, id):
return self.mesh.ElemNbFaces(id)
## Return nodes of given face (counted from zero) for given volumic element.
# @ingroup l1_meshinfo
def GetElemFaceNodes(self,elemId, faceIndex):
return self.mesh.GetElemFaceNodes(elemId, faceIndex)
## Return three components of normal of given mesh face
# (or an empty array in KO case)
# @ingroup l1_meshinfo
def GetFaceNormal(self, faceId, normalized=False):
return self.mesh.GetFaceNormal(faceId,normalized)
## Return an element based on all given nodes.
# @ingroup l1_meshinfo
def FindElementByNodes(self,nodes):
return self.mesh.FindElementByNodes(nodes)
## Return true if the given element is a polygon
# @ingroup l1_meshinfo
def IsPoly(self, id):
return self.mesh.IsPoly(id)
## Return true if the given element is quadratic
# @ingroup l1_meshinfo
def IsQuadratic(self, id):
return self.mesh.IsQuadratic(id)
## Return diameter of a ball discrete element or zero in case of an invalid \a id
# @ingroup l1_meshinfo
def GetBallDiameter(self, id):
return self.mesh.GetBallDiameter(id)
## Return XYZ coordinates of the barycenter of the given element
# \n If there is no element for the given ID - return an empty list
# @return a list of three double values
# @ingroup l1_meshinfo
def BaryCenter(self, id):
return self.mesh.BaryCenter(id)
## Pass mesh elements through the given filter and return IDs of fitting elements
# @param theFilter SMESH_Filter
# @return a list of ids
# @ingroup l1_controls
def GetIdsFromFilter(self, theFilter):
theFilter.SetMesh( self.mesh )
return theFilter.GetIDs()
# Get mesh measurements information:
# ------------------------------------
## Verify whether a 2D mesh element has free edges (edges connected to one face only)\n
# Return a list of special structures (borders).
# @return a list of SMESH.FreeEdges.Border structure: edge id and ids of two its nodes.
# @ingroup l1_measurements
def GetFreeBorders(self):
aFilterMgr = self.smeshpyD.CreateFilterManager()
aPredicate = aFilterMgr.CreateFreeEdges()
aPredicate.SetMesh(self.mesh)
aBorders = aPredicate.GetBorders()
aFilterMgr.UnRegister()
return aBorders
## Get minimum distance between two nodes, elements or distance to the origin
# @param id1 first node/element id
# @param id2 second node/element id (if 0, distance from @a id1 to the origin is computed)
# @param isElem1 @c True if @a id1 is element id, @c False if it is node id
# @param isElem2 @c True if @a id2 is element id, @c False if it is node id
# @return minimum distance value
# @sa GetMinDistance()
# @ingroup l1_measurements
def MinDistance(self, id1, id2=0, isElem1=False, isElem2=False):
aMeasure = self.GetMinDistance(id1, id2, isElem1, isElem2)
return aMeasure.value
## Get measure structure specifying minimum distance data between two objects
# @param id1 first node/element id
# @param id2 second node/element id (if 0, distance from @a id1 to the origin is computed)
# @param isElem1 @c True if @a id1 is element id, @c False if it is node id
# @param isElem2 @c True if @a id2 is element id, @c False if it is node id
# @return Measure structure
# @sa MinDistance()
# @ingroup l1_measurements
def GetMinDistance(self, id1, id2=0, isElem1=False, isElem2=False):
if isElem1:
id1 = self.editor.MakeIDSource([id1], SMESH.FACE)
else:
id1 = self.editor.MakeIDSource([id1], SMESH.NODE)
if id2 != 0:
if isElem2:
id2 = self.editor.MakeIDSource([id2], SMESH.FACE)
else:
id2 = self.editor.MakeIDSource([id2], SMESH.NODE)
pass
else:
id2 = None
aMeasurements = self.smeshpyD.CreateMeasurements()
aMeasure = aMeasurements.MinDistance(id1, id2)
genObjUnRegister([aMeasurements,id1, id2])
return aMeasure
## Get bounding box of the specified object(s)
# @param objects single source object or list of source objects or list of nodes/elements IDs
# @param isElem if @a objects is a list of IDs, @c True value in this parameters specifies that @a objects are elements,
# @c False specifies that @a objects are nodes
# @return tuple of six values (minX, minY, minZ, maxX, maxY, maxZ)
# @sa GetBoundingBox()
# @ingroup l1_measurements
def BoundingBox(self, objects=None, isElem=False):
result = self.GetBoundingBox(objects, isElem)
if result is None:
result = (0.0,)*6
else:
result = (result.minX, result.minY, result.minZ, result.maxX, result.maxY, result.maxZ)
return result
## Get measure structure specifying bounding box data of the specified object(s)
# @param IDs single source object or list of source objects or list of nodes/elements IDs
# @param isElem if @a IDs is a list of IDs, @c True value in this parameters specifies that @a objects are elements,
# @c False specifies that @a objects are nodes
# @return Measure structure
# @sa BoundingBox()
# @ingroup l1_measurements
def GetBoundingBox(self, IDs=None, isElem=False):
if IDs is None:
IDs = [self.mesh]
elif isinstance(IDs, tuple):
IDs = list(IDs)
if not isinstance(IDs, list):
IDs = [IDs]
if len(IDs) > 0 and isinstance(IDs[0], int):
IDs = [IDs]
srclist = []
unRegister = genObjUnRegister()
for o in IDs:
if isinstance(o, Mesh):
srclist.append(o.mesh)
elif hasattr(o, "_narrow"):
src = o._narrow(SMESH.SMESH_IDSource)
if src: srclist.append(src)
pass
elif isinstance(o, list):
if isElem:
srclist.append(self.editor.MakeIDSource(o, SMESH.FACE))
else:
srclist.append(self.editor.MakeIDSource(o, SMESH.NODE))
unRegister.set( srclist[-1] )
pass
pass
aMeasurements = self.smeshpyD.CreateMeasurements()
unRegister.set( aMeasurements )
aMeasure = aMeasurements.BoundingBox(srclist)
return aMeasure
# Mesh edition (SMESH_MeshEditor functionality):
# ---------------------------------------------
## Remove the elements from the mesh by ids
# @param IDsOfElements is a list of ids of elements to remove
# @return True or False
# @ingroup l2_modif_del
def RemoveElements(self, IDsOfElements):
return self.editor.RemoveElements(IDsOfElements)
## Remove nodes from mesh by ids
# @param IDsOfNodes is a list of ids of nodes to remove
# @return True or False
# @ingroup l2_modif_del
def RemoveNodes(self, IDsOfNodes):
return self.editor.RemoveNodes(IDsOfNodes)
## Remove all orphan (free) nodes from mesh
# @return number of the removed nodes
# @ingroup l2_modif_del
def RemoveOrphanNodes(self):
return self.editor.RemoveOrphanNodes()
## Add a node to the mesh by coordinates
# @return Id of the new node
# @ingroup l2_modif_add
def AddNode(self, x, y, z):
x,y,z,Parameters,hasVars = ParseParameters(x,y,z)
if hasVars: self.mesh.SetParameters(Parameters)
return self.editor.AddNode( x, y, z)
## Create a 0D element on a node with given number.
# @param IDOfNode the ID of node for creation of the element.
# @param DuplicateElements to add one more 0D element to a node or not
# @return the Id of the new 0D element
# @ingroup l2_modif_add
def Add0DElement( self, IDOfNode, DuplicateElements=True ):
return self.editor.Add0DElement( IDOfNode, DuplicateElements )
## Create 0D elements on all nodes of the given elements except those
# nodes on which a 0D element already exists.
# @param theObject an object on whose nodes 0D elements will be created.
# It can be mesh, sub-mesh, group, list of element IDs or a holder
# of nodes IDs created by calling mesh.GetIDSource( nodes, SMESH.NODE )
# @param theGroupName optional name of a group to add 0D elements created
# and/or found on nodes of \a theObject.
# @param DuplicateElements to add one more 0D element to a node or not
# @return an object (a new group or a temporary SMESH_IDSource) holding
# IDs of new and/or found 0D elements. IDs of 0D elements
# can be retrieved from the returned object by calling GetIDs()
# @ingroup l2_modif_add
def Add0DElementsToAllNodes(self, theObject, theGroupName="", DuplicateElements=False):
unRegister = genObjUnRegister()
if isinstance( theObject, Mesh ):
theObject = theObject.GetMesh()
elif isinstance( theObject, list ):
theObject = self.GetIDSource( theObject, SMESH.ALL )
unRegister.set( theObject )
return self.editor.Create0DElementsOnAllNodes( theObject, theGroupName, DuplicateElements )
## Create a ball element on a node with given ID.
# @param IDOfNode the ID of node for creation of the element.
# @param diameter the bal diameter.
# @return the Id of the new ball element
# @ingroup l2_modif_add
def AddBall(self, IDOfNode, diameter):
return self.editor.AddBall( IDOfNode, diameter )
## Create a linear or quadratic edge (this is determined
# by the number of given nodes).
# @param IDsOfNodes the list of node IDs for creation of the element.
# The order of nodes in this list should correspond to the description
# of MED. \n This description is located by the following link:
# http://www.code-aster.org/outils/med/html/modele_de_donnees.html#3.
# @return the Id of the new edge
# @ingroup l2_modif_add
def AddEdge(self, IDsOfNodes):
return self.editor.AddEdge(IDsOfNodes)
## Create a linear or quadratic face (this is determined
# by the number of given nodes).
# @param IDsOfNodes the list of node IDs for creation of the element.
# The order of nodes in this list should correspond to the description
# of MED. \n This description is located by the following link:
# http://www.code-aster.org/outils/med/html/modele_de_donnees.html#3.
# @return the Id of the new face
# @ingroup l2_modif_add
def AddFace(self, IDsOfNodes):
return self.editor.AddFace(IDsOfNodes)
## Add a polygonal face to the mesh by the list of node IDs
# @param IdsOfNodes the list of node IDs for creation of the element.
# @return the Id of the new face
# @ingroup l2_modif_add
def AddPolygonalFace(self, IdsOfNodes):
return self.editor.AddPolygonalFace(IdsOfNodes)
## Add a quadratic polygonal face to the mesh by the list of node IDs
# @param IdsOfNodes the list of node IDs for creation of the element;
# corner nodes follow first.
# @return the Id of the new face
# @ingroup l2_modif_add
def AddQuadPolygonalFace(self, IdsOfNodes):
return self.editor.AddQuadPolygonalFace(IdsOfNodes)
## Create both simple and quadratic volume (this is determined
# by the number of given nodes).
# @param IDsOfNodes the list of node IDs for creation of the element.
# The order of nodes in this list should correspond to the description
# of MED. \n This description is located by the following link:
# http://www.code-aster.org/outils/med/html/modele_de_donnees.html#3.
# @return the Id of the new volumic element
# @ingroup l2_modif_add
def AddVolume(self, IDsOfNodes):
return self.editor.AddVolume(IDsOfNodes)
## Create a volume of many faces, giving nodes for each face.
# @param IdsOfNodes the list of node IDs for volume creation face by face.
# @param Quantities the list of integer values, Quantities[i]
# gives the quantity of nodes in face number i.
# @return the Id of the new volumic element
# @ingroup l2_modif_add
def AddPolyhedralVolume (self, IdsOfNodes, Quantities):
return self.editor.AddPolyhedralVolume(IdsOfNodes, Quantities)
## Create a volume of many faces, giving the IDs of the existing faces.
# @param IdsOfFaces the list of face IDs for volume creation.
#
# Note: The created volume will refer only to the nodes
# of the given faces, not to the faces themselves.
# @return the Id of the new volumic element
# @ingroup l2_modif_add
def AddPolyhedralVolumeByFaces (self, IdsOfFaces):
return self.editor.AddPolyhedralVolumeByFaces(IdsOfFaces)
## @brief Binds a node to a vertex
# @param NodeID a node ID
# @param Vertex a vertex or vertex ID
# @return True if succeed else raises an exception
# @ingroup l2_modif_add
def SetNodeOnVertex(self, NodeID, Vertex):
if ( isinstance( Vertex, geomBuilder.GEOM._objref_GEOM_Object)):
VertexID = self.geompyD.GetSubShapeID( self.geom, Vertex )
else:
VertexID = Vertex
try:
self.editor.SetNodeOnVertex(NodeID, VertexID)
except SALOME.SALOME_Exception as inst:
raise ValueError(inst.details.text)
return True
## @brief Stores the node position on an edge
# @param NodeID a node ID
# @param Edge an edge or edge ID
# @param paramOnEdge a parameter on the edge where the node is located
# @return True if succeed else raises an exception
# @ingroup l2_modif_add
def SetNodeOnEdge(self, NodeID, Edge, paramOnEdge):
if ( isinstance( Edge, geomBuilder.GEOM._objref_GEOM_Object)):
EdgeID = self.geompyD.GetSubShapeID( self.geom, Edge )
else:
EdgeID = Edge
try:
self.editor.SetNodeOnEdge(NodeID, EdgeID, paramOnEdge)
except SALOME.SALOME_Exception as inst:
raise ValueError(inst.details.text)
return True
## @brief Stores node position on a face
# @param NodeID a node ID
# @param Face a face or face ID
# @param u U parameter on the face where the node is located
# @param v V parameter on the face where the node is located
# @return True if succeed else raises an exception
# @ingroup l2_modif_add
def SetNodeOnFace(self, NodeID, Face, u, v):
if ( isinstance( Face, geomBuilder.GEOM._objref_GEOM_Object)):
FaceID = self.geompyD.GetSubShapeID( self.geom, Face )
else:
FaceID = Face
try:
self.editor.SetNodeOnFace(NodeID, FaceID, u, v)
except SALOME.SALOME_Exception as inst:
raise ValueError(inst.details.text)
return True
## @brief Binds a node to a solid
# @param NodeID a node ID
# @param Solid a solid or solid ID
# @return True if succeed else raises an exception
# @ingroup l2_modif_add
def SetNodeInVolume(self, NodeID, Solid):
if ( isinstance( Solid, geomBuilder.GEOM._objref_GEOM_Object)):
SolidID = self.geompyD.GetSubShapeID( self.geom, Solid )
else:
SolidID = Solid
try:
self.editor.SetNodeInVolume(NodeID, SolidID)
except SALOME.SALOME_Exception as inst:
raise ValueError(inst.details.text)
return True
## @brief Bind an element to a shape
# @param ElementID an element ID
# @param Shape a shape or shape ID
# @return True if succeed else raises an exception
# @ingroup l2_modif_add
def SetMeshElementOnShape(self, ElementID, Shape):
if ( isinstance( Shape, geomBuilder.GEOM._objref_GEOM_Object)):
ShapeID = self.geompyD.GetSubShapeID( self.geom, Shape )
else:
ShapeID = Shape
try:
self.editor.SetMeshElementOnShape(ElementID, ShapeID)
except SALOME.SALOME_Exception as inst:
raise ValueError(inst.details.text)
return True
## Move the node with the given id
# @param NodeID the id of the node
# @param x a new X coordinate
# @param y a new Y coordinate
# @param z a new Z coordinate
# @return True if succeed else False
# @ingroup l2_modif_edit
def MoveNode(self, NodeID, x, y, z):
x,y,z,Parameters,hasVars = ParseParameters(x,y,z)
if hasVars: self.mesh.SetParameters(Parameters)
return self.editor.MoveNode(NodeID, x, y, z)
## Find the node closest to a point and moves it to a point location
# @param x the X coordinate of a point
# @param y the Y coordinate of a point
# @param z the Z coordinate of a point
# @param NodeID if specified (>0), the node with this ID is moved,
# otherwise, the node closest to point (@a x,@a y,@a z) is moved
# @return the ID of a node
# @ingroup l2_modif_edit
def MoveClosestNodeToPoint(self, x, y, z, NodeID):
x,y,z,Parameters,hasVars = ParseParameters(x,y,z)
if hasVars: self.mesh.SetParameters(Parameters)
return self.editor.MoveClosestNodeToPoint(x, y, z, NodeID)
## Find the node closest to a point
# @param x the X coordinate of a point
# @param y the Y coordinate of a point
# @param z the Z coordinate of a point
# @return the ID of a node
# @ingroup l1_meshinfo
def FindNodeClosestTo(self, x, y, z):
#preview = self.mesh.GetMeshEditPreviewer()
#return preview.MoveClosestNodeToPoint(x, y, z, -1)
return self.editor.FindNodeClosestTo(x, y, z)
## Find the elements where a point lays IN or ON
# @param x the X coordinate of a point
# @param y the Y coordinate of a point
# @param z the Z coordinate of a point
# @param elementType type of elements to find; either of
# (SMESH.NODE, SMESH.EDGE, SMESH.FACE, SMESH.VOLUME); SMESH.ALL type
# means elements of any type excluding nodes, discrete and 0D elements.
# @param meshPart a part of mesh (group, sub-mesh) to search within
# @return list of IDs of found elements
# @ingroup l1_meshinfo
def FindElementsByPoint(self, x, y, z, elementType = SMESH.ALL, meshPart=None):
if meshPart:
return self.editor.FindAmongElementsByPoint( meshPart, x, y, z, elementType );
else:
return self.editor.FindElementsByPoint(x, y, z, elementType)
## Return point state in a closed 2D mesh in terms of TopAbs_State enumeration:
# 0-IN, 1-OUT, 2-ON, 3-UNKNOWN
# UNKNOWN state means that either mesh is wrong or the analysis fails.
# @ingroup l1_meshinfo
def GetPointState(self, x, y, z):
return self.editor.GetPointState(x, y, z)
## Find the node closest to a point and moves it to a point location
# @param x the X coordinate of a point
# @param y the Y coordinate of a point
# @param z the Z coordinate of a point
# @return the ID of a moved node
# @ingroup l2_modif_edit
def MeshToPassThroughAPoint(self, x, y, z):
return self.editor.MoveClosestNodeToPoint(x, y, z, -1)
## Replace two neighbour triangles sharing Node1-Node2 link
# with the triangles built on the same 4 nodes but having other common link.
# @param NodeID1 the ID of the first node
# @param NodeID2 the ID of the second node
# @return false if proper faces were not found
# @ingroup l2_modif_cutquadr
def InverseDiag(self, NodeID1, NodeID2):
return self.editor.InverseDiag(NodeID1, NodeID2)
## Replace two neighbour triangles sharing Node1-Node2 link
# with a quadrangle built on the same 4 nodes.
# @param NodeID1 the ID of the first node
# @param NodeID2 the ID of the second node
# @return false if proper faces were not found
# @ingroup l2_modif_unitetri
def DeleteDiag(self, NodeID1, NodeID2):
return self.editor.DeleteDiag(NodeID1, NodeID2)
## Reorient elements by ids
# @param IDsOfElements if undefined reorients all mesh elements
# @return True if succeed else False
# @ingroup l2_modif_changori
def Reorient(self, IDsOfElements=None):
if IDsOfElements == None:
IDsOfElements = self.GetElementsId()
return self.editor.Reorient(IDsOfElements)
## Reorient all elements of the object
# @param theObject mesh, submesh or group
# @return True if succeed else False
# @ingroup l2_modif_changori
def ReorientObject(self, theObject):
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
return self.editor.ReorientObject(theObject)
## Reorient faces contained in \a the2DObject.
# @param the2DObject is a mesh, sub-mesh, group or list of IDs of 2D elements
# @param theDirection is a desired direction of normal of \a theFace.
# It can be either a GEOM vector or a list of coordinates [x,y,z].
# @param theFaceOrPoint defines a face of \a the2DObject whose normal will be
# compared with theDirection. It can be either ID of face or a point
# by which the face will be found. The point can be given as either
# a GEOM vertex or a list of point coordinates.
# @return number of reoriented faces
# @ingroup l2_modif_changori
def Reorient2D(self, the2DObject, theDirection, theFaceOrPoint ):
unRegister = genObjUnRegister()
# check the2DObject
if isinstance( the2DObject, Mesh ):
the2DObject = the2DObject.GetMesh()
if isinstance( the2DObject, list ):
the2DObject = self.GetIDSource( the2DObject, SMESH.FACE )
unRegister.set( the2DObject )
# check theDirection
if isinstance( theDirection, geomBuilder.GEOM._objref_GEOM_Object):
theDirection = self.smeshpyD.GetDirStruct( theDirection )
if isinstance( theDirection, list ):
theDirection = self.smeshpyD.MakeDirStruct( *theDirection )
# prepare theFace and thePoint
theFace = theFaceOrPoint
thePoint = PointStruct(0,0,0)
if isinstance( theFaceOrPoint, geomBuilder.GEOM._objref_GEOM_Object):
thePoint = self.smeshpyD.GetPointStruct( theFaceOrPoint )
theFace = -1
if isinstance( theFaceOrPoint, list ):
thePoint = PointStruct( *theFaceOrPoint )
theFace = -1
if isinstance( theFaceOrPoint, PointStruct ):
thePoint = theFaceOrPoint
theFace = -1
return self.editor.Reorient2D( the2DObject, theDirection, theFace, thePoint )
## Reorient faces according to adjacent volumes.
# @param the2DObject is a mesh, sub-mesh, group or list of
# either IDs of faces or face groups.
# @param the3DObject is a mesh, sub-mesh, group or list of IDs of volumes.
# @param theOutsideNormal to orient faces to have their normals
# pointing either \a outside or \a inside the adjacent volumes.
# @return number of reoriented faces.
# @ingroup l2_modif_changori
def Reorient2DBy3D(self, the2DObject, the3DObject, theOutsideNormal=True ):
unRegister = genObjUnRegister()
# check the2DObject
if not isinstance( the2DObject, list ):
the2DObject = [ the2DObject ]
elif the2DObject and isinstance( the2DObject[0], int ):
the2DObject = self.GetIDSource( the2DObject, SMESH.FACE )
unRegister.set( the2DObject )
the2DObject = [ the2DObject ]
for i,obj2D in enumerate( the2DObject ):
if isinstance( obj2D, Mesh ):
the2DObject[i] = obj2D.GetMesh()
if isinstance( obj2D, list ):
the2DObject[i] = self.GetIDSource( obj2D, SMESH.FACE )
unRegister.set( the2DObject[i] )
# check the3DObject
if isinstance( the3DObject, Mesh ):
the3DObject = the3DObject.GetMesh()
if isinstance( the3DObject, list ):
the3DObject = self.GetIDSource( the3DObject, SMESH.VOLUME )
unRegister.set( the3DObject )
return self.editor.Reorient2DBy3D( the2DObject, the3DObject, theOutsideNormal )
## Fuse the neighbouring triangles into quadrangles.
# @param IDsOfElements The triangles to be fused.
# @param theCriterion a numerical functor, in terms of enum SMESH.FunctorType, used to
# applied to possible quadrangles to choose a neighbour to fuse with.
# Type SMESH.FunctorType._items in the Python Console to see all items.
# Note that not all items correspond to numerical functors.
# @param MaxAngle is the maximum angle between element normals at which the fusion
# is still performed; theMaxAngle is mesured in radians.
# Also it could be a name of variable which defines angle in degrees.
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_unitetri
def TriToQuad(self, IDsOfElements, theCriterion, MaxAngle):
MaxAngle,Parameters,hasVars = ParseAngles(MaxAngle)
self.mesh.SetParameters(Parameters)
if not IDsOfElements:
IDsOfElements = self.GetElementsId()
Functor = self.smeshpyD.GetFunctor(theCriterion)
return self.editor.TriToQuad(IDsOfElements, Functor, MaxAngle)
## Fuse the neighbouring triangles of the object into quadrangles
# @param theObject is mesh, submesh or group
# @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType,
# applied to possible quadrangles to choose a neighbour to fuse with.
# Type SMESH.FunctorType._items in the Python Console to see all items.
# Note that not all items correspond to numerical functors.
# @param MaxAngle a max angle between element normals at which the fusion
# is still performed; theMaxAngle is mesured in radians.
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_unitetri
def TriToQuadObject (self, theObject, theCriterion, MaxAngle):
MaxAngle,Parameters,hasVars = ParseAngles(MaxAngle)
self.mesh.SetParameters(Parameters)
if isinstance( theObject, Mesh ):
theObject = theObject.GetMesh()
Functor = self.smeshpyD.GetFunctor(theCriterion)
return self.editor.TriToQuadObject(theObject, Functor, MaxAngle)
## Split quadrangles into triangles.
# @param IDsOfElements the faces to be splitted.
# @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
# choose a diagonal for splitting. If @a theCriterion is None, which is a default
# value, then quadrangles will be split by the smallest diagonal.
# Type SMESH.FunctorType._items in the Python Console to see all items.
# Note that not all items correspond to numerical functors.
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_cutquadr
def QuadToTri (self, IDsOfElements, theCriterion = None):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
if theCriterion is None:
theCriterion = FT_MaxElementLength2D
Functor = self.smeshpyD.GetFunctor(theCriterion)
return self.editor.QuadToTri(IDsOfElements, Functor)
## Split quadrangles into triangles.
# @param theObject the object from which the list of elements is taken,
# this is mesh, submesh or group
# @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
# choose a diagonal for splitting. If @a theCriterion is None, which is a default
# value, then quadrangles will be split by the smallest diagonal.
# Type SMESH.FunctorType._items in the Python Console to see all items.
# Note that not all items correspond to numerical functors.
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_cutquadr
def QuadToTriObject (self, theObject, theCriterion = None):
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
if theCriterion is None:
theCriterion = FT_MaxElementLength2D
Functor = self.smeshpyD.GetFunctor(theCriterion)
return self.editor.QuadToTriObject(theObject, Functor)
## Split each of given quadrangles into 4 triangles. A node is added at the center of
# a quadrangle.
# @param theElements the faces to be splitted. This can be either mesh, sub-mesh,
# group or a list of face IDs. By default all quadrangles are split
# @ingroup l2_modif_cutquadr
def QuadTo4Tri (self, theElements=[]):
unRegister = genObjUnRegister()
if isinstance( theElements, Mesh ):
theElements = theElements.mesh
elif not theElements:
theElements = self.mesh
elif isinstance( theElements, list ):
theElements = self.GetIDSource( theElements, SMESH.FACE )
unRegister.set( theElements )
return self.editor.QuadTo4Tri( theElements )
## Split quadrangles into triangles.
# @param IDsOfElements the faces to be splitted
# @param Diag13 is used to choose a diagonal for splitting.
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_cutquadr
def SplitQuad (self, IDsOfElements, Diag13):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
return self.editor.SplitQuad(IDsOfElements, Diag13)
## Split quadrangles into triangles.
# @param theObject the object from which the list of elements is taken,
# this is mesh, submesh or group
# @param Diag13 is used to choose a diagonal for splitting.
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_cutquadr
def SplitQuadObject (self, theObject, Diag13):
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
return self.editor.SplitQuadObject(theObject, Diag13)
## Find a better splitting of the given quadrangle.
# @param IDOfQuad the ID of the quadrangle to be splitted.
# @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
# choose a diagonal for splitting.
# Type SMESH.FunctorType._items in the Python Console to see all items.
# Note that not all items correspond to numerical functors.
# @return 1 if 1-3 diagonal is better, 2 if 2-4
# diagonal is better, 0 if error occurs.
# @ingroup l2_modif_cutquadr
def BestSplit (self, IDOfQuad, theCriterion):
return self.editor.BestSplit(IDOfQuad, self.smeshpyD.GetFunctor(theCriterion))
## Split volumic elements into tetrahedrons
# @param elems either a list of elements or a mesh or a group or a submesh or a filter
# @param method flags passing splitting method:
# smesh.Hex_5Tet, smesh.Hex_6Tet, smesh.Hex_24Tet.
# smesh.Hex_5Tet - to split the hexahedron into 5 tetrahedrons, etc.
# @ingroup l2_modif_cutquadr
def SplitVolumesIntoTetra(self, elems, method=smeshBuilder.Hex_5Tet ):
unRegister = genObjUnRegister()
if isinstance( elems, Mesh ):
elems = elems.GetMesh()
if ( isinstance( elems, list )):
elems = self.editor.MakeIDSource(elems, SMESH.VOLUME)
unRegister.set( elems )
self.editor.SplitVolumesIntoTetra(elems, method)
return
## Split bi-quadratic elements into linear ones without creation of additional nodes:
# - bi-quadratic triangle will be split into 3 linear quadrangles;
# - bi-quadratic quadrangle will be split into 4 linear quadrangles;
# - tri-quadratic hexahedron will be split into 8 linear hexahedra.
# Quadratic elements of lower dimension adjacent to the split bi-quadratic element
# will be split in order to keep the mesh conformal.
# @param elems - elements to split: sub-meshes, groups, filters or element IDs;
# if None (default), all bi-quadratic elements will be split
# @ingroup l2_modif_cutquadr
def SplitBiQuadraticIntoLinear(self, elems=None):
unRegister = genObjUnRegister()
if elems and isinstance( elems, list ) and isinstance( elems[0], int ):
elems = self.editor.MakeIDSource(elems, SMESH.ALL)
unRegister.set( elems )
if elems is None:
elems = [ self.GetMesh() ]
if isinstance( elems, Mesh ):
elems = [ elems.GetMesh() ]
if not isinstance( elems, list ):
elems = [elems]
self.editor.SplitBiQuadraticIntoLinear( elems )
## Split hexahedra into prisms
# @param elems either a list of elements or a mesh or a group or a submesh or a filter
# @param startHexPoint a point used to find a hexahedron for which @a facetNormal
# gives a normal vector defining facets to split into triangles.
# @a startHexPoint can be either a triple of coordinates or a vertex.
# @param facetNormal a normal to a facet to split into triangles of a
# hexahedron found by @a startHexPoint.
# @a facetNormal can be either a triple of coordinates or an edge.
# @param method flags passing splitting method: smesh.Hex_2Prisms, smesh.Hex_4Prisms.
# smesh.Hex_2Prisms - to split the hexahedron into 2 prisms, etc.
# @param allDomains if @c False, only hexahedra adjacent to one closest
# to @a startHexPoint are split, else @a startHexPoint
# is used to find the facet to split in all domains present in @a elems.
# @ingroup l2_modif_cutquadr
def SplitHexahedraIntoPrisms(self, elems, startHexPoint, facetNormal,
method=smeshBuilder.Hex_2Prisms, allDomains=False ):
# IDSource
unRegister = genObjUnRegister()
if isinstance( elems, Mesh ):
elems = elems.GetMesh()
if ( isinstance( elems, list )):
elems = self.editor.MakeIDSource(elems, SMESH.VOLUME)
unRegister.set( elems )
pass
# axis
if isinstance( startHexPoint, geomBuilder.GEOM._objref_GEOM_Object):
startHexPoint = self.smeshpyD.GetPointStruct( startHexPoint )
elif isinstance( startHexPoint, list ):
startHexPoint = SMESH.PointStruct( startHexPoint[0],
startHexPoint[1],
startHexPoint[2])
if isinstance( facetNormal, geomBuilder.GEOM._objref_GEOM_Object):
facetNormal = self.smeshpyD.GetDirStruct( facetNormal )
elif isinstance( facetNormal, list ):
facetNormal = self.smeshpyD.MakeDirStruct( facetNormal[0],
facetNormal[1],
facetNormal[2])
self.mesh.SetParameters( startHexPoint.parameters + facetNormal.PS.parameters )
self.editor.SplitHexahedraIntoPrisms(elems, startHexPoint, facetNormal, method, allDomains)
## Split quadrangle faces near triangular facets of volumes
#
# @ingroup l2_modif_cutquadr
def SplitQuadsNearTriangularFacets(self):
faces_array = self.GetElementsByType(SMESH.FACE)
for face_id in faces_array:
if self.GetElemNbNodes(face_id) == 4: # quadrangle
quad_nodes = self.mesh.GetElemNodes(face_id)
node1_elems = self.GetNodeInverseElements(quad_nodes[1 -1])
isVolumeFound = False
for node1_elem in node1_elems:
if not isVolumeFound:
if self.GetElementType(node1_elem, True) == SMESH.VOLUME:
nb_nodes = self.GetElemNbNodes(node1_elem)
if 3 < nb_nodes and nb_nodes < 7: # tetra or penta, or prism
volume_elem = node1_elem
volume_nodes = self.mesh.GetElemNodes(volume_elem)
if volume_nodes.count(quad_nodes[2 -1]) > 0: # 1,2
if volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,2,4
isVolumeFound = True
if volume_nodes.count(quad_nodes[3 -1]) == 0: # 1,2,4 & !3
self.SplitQuad([face_id], False) # diagonal 2-4
elif volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,2,3 & !4
isVolumeFound = True
self.SplitQuad([face_id], True) # diagonal 1-3
elif volume_nodes.count(quad_nodes[4 -1]) > 0: # 1,4 & !2
if volume_nodes.count(quad_nodes[3 -1]) > 0: # 1,4,3 & !2
isVolumeFound = True
self.SplitQuad([face_id], True) # diagonal 1-3
## @brief Splits hexahedrons into tetrahedrons.
#
# This operation uses pattern mapping functionality for splitting.
# @param theObject the object from which the list of hexahedrons is taken; this is mesh, submesh or group.
# @param theNode000,theNode001 within the range [0,7]; gives the orientation of the
# pattern relatively each hexahedron: the (0,0,0) key-point of the pattern
# will be mapped into <VAR>theNode000</VAR>-th node of each volume, the (0,0,1)
# key-point will be mapped into <VAR>theNode001</VAR>-th node of each volume.
# The (0,0,0) key-point of the used pattern corresponds to a non-split corner.
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_cutquadr
def SplitHexaToTetras (self, theObject, theNode000, theNode001):
# Pattern: 5.---------.6
# /|#* /|
# / | #* / |
# / | # * / |
# / | # /* |
# (0,0,1) 4.---------.7 * |
# |#* |1 | # *|
# | # *.----|---#.2
# | #/ * | /
# | /# * | /
# | / # * | /
# |/ #*|/
# (0,0,0) 0.---------.3
pattern_tetra = "!!! Nb of points: \n 8 \n\
!!! Points: \n\
0 0 0 !- 0 \n\
0 1 0 !- 1 \n\
1 1 0 !- 2 \n\
1 0 0 !- 3 \n\
0 0 1 !- 4 \n\
0 1 1 !- 5 \n\
1 1 1 !- 6 \n\
1 0 1 !- 7 \n\
!!! Indices of points of 6 tetras: \n\
0 3 4 1 \n\
7 4 3 1 \n\
4 7 5 1 \n\
6 2 5 7 \n\
1 5 2 7 \n\
2 3 1 7 \n"
pattern = self.smeshpyD.GetPattern()
isDone = pattern.LoadFromFile(pattern_tetra)
if not isDone:
print('Pattern.LoadFromFile :', pattern.GetErrorCode())
return isDone
pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
isDone = pattern.MakeMesh(self.mesh, False, False)
if not isDone: print('Pattern.MakeMesh :', pattern.GetErrorCode())
# split quafrangle faces near triangular facets of volumes
self.SplitQuadsNearTriangularFacets()
return isDone
## @brief Split hexahedrons into prisms.
#
# Uses the pattern mapping functionality for splitting.
# @param theObject the object (mesh, submesh or group) from where the list of hexahedrons is taken;
# @param theNode000,theNode001 (within the range [0,7]) gives the orientation of the
# pattern relatively each hexahedron: keypoint (0,0,0) of the pattern
# will be mapped into the <VAR>theNode000</VAR>-th node of each volume, keypoint (0,0,1)
# will be mapped into the <VAR>theNode001</VAR>-th node of each volume.
# Edge (0,0,0)-(0,0,1) of used pattern connects two not split corners.
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_cutquadr
def SplitHexaToPrisms (self, theObject, theNode000, theNode001):
# Pattern: 5.---------.6
# /|# /|
# / | # / |
# / | # / |
# / | # / |
# (0,0,1) 4.---------.7 |
# | | | |
# | 1.----|----.2
# | / * | /
# | / * | /
# | / * | /
# |/ *|/
# (0,0,0) 0.---------.3
pattern_prism = "!!! Nb of points: \n 8 \n\
!!! Points: \n\
0 0 0 !- 0 \n\
0 1 0 !- 1 \n\
1 1 0 !- 2 \n\
1 0 0 !- 3 \n\
0 0 1 !- 4 \n\
0 1 1 !- 5 \n\
1 1 1 !- 6 \n\
1 0 1 !- 7 \n\
!!! Indices of points of 2 prisms: \n\
0 1 3 4 5 7 \n\
2 3 1 6 7 5 \n"
pattern = self.smeshpyD.GetPattern()
isDone = pattern.LoadFromFile(pattern_prism)
if not isDone:
print('Pattern.LoadFromFile :', pattern.GetErrorCode())
return isDone
pattern.ApplyToHexahedrons(self.mesh, theObject.GetIDs(), theNode000, theNode001)
isDone = pattern.MakeMesh(self.mesh, False, False)
if not isDone: print('Pattern.MakeMesh :', pattern.GetErrorCode())
# Split quafrangle faces near triangular facets of volumes
self.SplitQuadsNearTriangularFacets()
return isDone
## Smooth elements
# @param IDsOfElements the list if ids of elements to smooth
# @param IDsOfFixedNodes the list of ids of fixed nodes.
# Note that nodes built on edges and boundary nodes are always fixed.
# @param MaxNbOfIterations the maximum number of iterations
# @param MaxAspectRatio varies in range [1.0, inf]
# @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
# or Centroidal (smesh.CENTROIDAL_SMOOTH)
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_smooth
def Smooth(self, IDsOfElements, IDsOfFixedNodes,
MaxNbOfIterations, MaxAspectRatio, Method):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
MaxNbOfIterations,MaxAspectRatio,Parameters,hasVars = ParseParameters(MaxNbOfIterations,MaxAspectRatio)
self.mesh.SetParameters(Parameters)
return self.editor.Smooth(IDsOfElements, IDsOfFixedNodes,
MaxNbOfIterations, MaxAspectRatio, Method)
## Smooth elements which belong to the given object
# @param theObject the object to smooth
# @param IDsOfFixedNodes the list of ids of fixed nodes.
# Note that nodes built on edges and boundary nodes are always fixed.
# @param MaxNbOfIterations the maximum number of iterations
# @param MaxAspectRatio varies in range [1.0, inf]
# @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
# or Centroidal (smesh.CENTROIDAL_SMOOTH)
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_smooth
def SmoothObject(self, theObject, IDsOfFixedNodes,
MaxNbOfIterations, MaxAspectRatio, Method):
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
return self.editor.SmoothObject(theObject, IDsOfFixedNodes,
MaxNbOfIterations, MaxAspectRatio, Method)
## Parametrically smooth the given elements
# @param IDsOfElements the list if ids of elements to smooth
# @param IDsOfFixedNodes the list of ids of fixed nodes.
# Note that nodes built on edges and boundary nodes are always fixed.
# @param MaxNbOfIterations the maximum number of iterations
# @param MaxAspectRatio varies in range [1.0, inf]
# @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
# or Centroidal (smesh.CENTROIDAL_SMOOTH)
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_smooth
def SmoothParametric(self, IDsOfElements, IDsOfFixedNodes,
MaxNbOfIterations, MaxAspectRatio, Method):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
MaxNbOfIterations,MaxAspectRatio,Parameters,hasVars = ParseParameters(MaxNbOfIterations,MaxAspectRatio)
self.mesh.SetParameters(Parameters)
return self.editor.SmoothParametric(IDsOfElements, IDsOfFixedNodes,
MaxNbOfIterations, MaxAspectRatio, Method)
## Parametrically smooth the elements which belong to the given object
# @param theObject the object to smooth
# @param IDsOfFixedNodes the list of ids of fixed nodes.
# Note that nodes built on edges and boundary nodes are always fixed.
# @param MaxNbOfIterations the maximum number of iterations
# @param MaxAspectRatio varies in range [1.0, inf]
# @param Method is either Laplacian (smesh.LAPLACIAN_SMOOTH)
# or Centroidal (smesh.CENTROIDAL_SMOOTH)
# @return TRUE in case of success, FALSE otherwise.
# @ingroup l2_modif_smooth
def SmoothParametricObject(self, theObject, IDsOfFixedNodes,
MaxNbOfIterations, MaxAspectRatio, Method):
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
return self.editor.SmoothParametricObject(theObject, IDsOfFixedNodes,
MaxNbOfIterations, MaxAspectRatio, Method)
## Convert the mesh to quadratic or bi-quadratic, deletes old elements, replacing
# them with quadratic with the same id.
# @param theForce3d new node creation method:
# 0 - the medium node lies at the geometrical entity from which the mesh element is built
# 1 - the medium node lies at the middle of the line segments connecting two nodes of a mesh element
# @param theSubMesh a group or a sub-mesh to convert; WARNING: in this case the mesh can become not conformal
# @param theToBiQuad If True, converts the mesh to bi-quadratic
# @return SMESH.ComputeError which can hold a warning
# @ingroup l2_modif_tofromqu
def ConvertToQuadratic(self, theForce3d=False, theSubMesh=None, theToBiQuad=False):
if isinstance( theSubMesh, Mesh ):
theSubMesh = theSubMesh.mesh
if theToBiQuad:
self.editor.ConvertToBiQuadratic(theForce3d,theSubMesh)
else:
if theSubMesh:
self.editor.ConvertToQuadraticObject(theForce3d,theSubMesh)
else:
self.editor.ConvertToQuadratic(theForce3d)
error = self.editor.GetLastError()
if error and error.comment:
print(error.comment)
return error
## Convert the mesh from quadratic to ordinary,
# deletes old quadratic elements, \n replacing
# them with ordinary mesh elements with the same id.
# @param theSubMesh a group or a sub-mesh to convert; WARNING: in this case the mesh can become not conformal
# @ingroup l2_modif_tofromqu
def ConvertFromQuadratic(self, theSubMesh=None):
if theSubMesh:
self.editor.ConvertFromQuadraticObject(theSubMesh)
else:
return self.editor.ConvertFromQuadratic()
## Create 2D mesh as skin on boundary faces of a 3D mesh
# @return TRUE if operation has been completed successfully, FALSE otherwise
# @ingroup l2_modif_add
def Make2DMeshFrom3D(self):
return self.editor.Make2DMeshFrom3D()
## Create missing boundary elements
# @param elements - elements whose boundary is to be checked:
# mesh, group, sub-mesh or list of elements
# if elements is mesh, it must be the mesh whose MakeBoundaryMesh() is called
# @param dimension - defines type of boundary elements to create, either of
# { SMESH.BND_2DFROM3D, SMESH.BND_1DFROM3D, SMESH.BND_1DFROM2D }
# SMESH.BND_1DFROM3D create mesh edges on all borders of free facets of 3D cells
# @param groupName - a name of group to store created boundary elements in,
# "" means not to create the group
# @param meshName - a name of new mesh to store created boundary elements in,
# "" means not to create the new mesh
# @param toCopyElements - if true, the checked elements will be copied into
# the new mesh else only boundary elements will be copied into the new mesh
# @param toCopyExistingBondary - if true, not only new but also pre-existing
# boundary elements will be copied into the new mesh
# @return tuple (mesh, group) where boundary elements were added to
# @ingroup l2_modif_add
def MakeBoundaryMesh(self, elements, dimension=SMESH.BND_2DFROM3D, groupName="", meshName="",
toCopyElements=False, toCopyExistingBondary=False):
unRegister = genObjUnRegister()
if isinstance( elements, Mesh ):
elements = elements.GetMesh()
if ( isinstance( elements, list )):
elemType = SMESH.ALL
if elements: elemType = self.GetElementType( elements[0], iselem=True)
elements = self.editor.MakeIDSource(elements, elemType)
unRegister.set( elements )
mesh, group = self.editor.MakeBoundaryMesh(elements,dimension,groupName,meshName,
toCopyElements,toCopyExistingBondary)
if mesh: mesh = self.smeshpyD.Mesh(mesh)
return mesh, group
##
# @brief Create missing boundary elements around either the whole mesh or
# groups of elements
# @param dimension - defines type of boundary elements to create, either of
# { SMESH.BND_2DFROM3D, SMESH.BND_1DFROM3D, SMESH.BND_1DFROM2D }
# @param groupName - a name of group to store all boundary elements in,
# "" means not to create the group
# @param meshName - a name of a new mesh, which is a copy of the initial
# mesh + created boundary elements; "" means not to create the new mesh
# @param toCopyAll - if true, the whole initial mesh will be copied into
# the new mesh else only boundary elements will be copied into the new mesh
# @param groups - groups of elements to make boundary around
# @retval tuple( long, mesh, groups )
# long - number of added boundary elements
# mesh - the mesh where elements were added to
# group - the group of boundary elements or None
#
# @ingroup l2_modif_add
def MakeBoundaryElements(self, dimension=SMESH.BND_2DFROM3D, groupName="", meshName="",
toCopyAll=False, groups=[]):
nb, mesh, group = self.editor.MakeBoundaryElements(dimension,groupName,meshName,
toCopyAll,groups)
if mesh: mesh = self.smeshpyD.Mesh(mesh)
return nb, mesh, group
## Renumber mesh nodes (Obsolete, does nothing)
# @ingroup l2_modif_renumber
def RenumberNodes(self):
self.editor.RenumberNodes()
## Renumber mesh elements (Obsole, does nothing)
# @ingroup l2_modif_renumber
def RenumberElements(self):
self.editor.RenumberElements()
## Private method converting \a arg into a list of SMESH_IdSource's
def _getIdSourceList(self, arg, idType, unRegister):
if arg and isinstance( arg, list ):
if isinstance( arg[0], int ):
arg = self.GetIDSource( arg, idType )
unRegister.set( arg )
elif isinstance( arg[0], Mesh ):
arg[0] = arg[0].GetMesh()
elif isinstance( arg, Mesh ):
arg = arg.GetMesh()
if arg and isinstance( arg, SMESH._objref_SMESH_IDSource ):
arg = [arg]
return arg
## Generate new elements by rotation of the given elements and nodes around the axis
# @param nodes - nodes to revolve: a list including ids, groups, sub-meshes or a mesh
# @param edges - edges to revolve: a list including ids, groups, sub-meshes or a mesh
# @param faces - faces to revolve: a list including ids, groups, sub-meshes or a mesh
# @param Axis the axis of rotation: AxisStruct, line (geom object) or [x,y,z,dx,dy,dz]
# @param AngleInRadians the angle of Rotation (in radians) or a name of variable
# which defines angle in degrees
# @param NbOfSteps the number of steps
# @param Tolerance tolerance
# @param MakeGroups forces the generation of new groups from existing ones
# @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
# of all steps, else - size of each step
# @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def RotationSweepObjects(self, nodes, edges, faces, Axis, AngleInRadians, NbOfSteps, Tolerance,
MakeGroups=False, TotalAngle=False):
unRegister = genObjUnRegister()
nodes = self._getIdSourceList( nodes, SMESH.NODE, unRegister )
edges = self._getIdSourceList( edges, SMESH.EDGE, unRegister )
faces = self._getIdSourceList( faces, SMESH.FACE, unRegister )
if isinstance( Axis, geomBuilder.GEOM._objref_GEOM_Object):
Axis = self.smeshpyD.GetAxisStruct( Axis )
if isinstance( Axis, list ):
Axis = SMESH.AxisStruct( *Axis )
AngleInRadians,AngleParameters,hasVars = ParseAngles(AngleInRadians)
NbOfSteps,Tolerance,Parameters,hasVars = ParseParameters(NbOfSteps,Tolerance)
Parameters = Axis.parameters + var_separator + AngleParameters + var_separator + Parameters
self.mesh.SetParameters(Parameters)
if TotalAngle and NbOfSteps:
AngleInRadians /= NbOfSteps
return self.editor.RotationSweepObjects( nodes, edges, faces,
Axis, AngleInRadians,
NbOfSteps, Tolerance, MakeGroups)
## Generate new elements by rotation of the elements around the axis
# @param IDsOfElements the list of ids of elements to sweep
# @param Axis the axis of rotation, AxisStruct or line(geom object)
# @param AngleInRadians the angle of Rotation (in radians) or a name of variable which defines angle in degrees
# @param NbOfSteps the number of steps
# @param Tolerance tolerance
# @param MakeGroups forces the generation of new groups from existing ones
# @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
# of all steps, else - size of each step
# @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def RotationSweep(self, IDsOfElements, Axis, AngleInRadians, NbOfSteps, Tolerance,
MakeGroups=False, TotalAngle=False):
return self.RotationSweepObjects([], IDsOfElements, IDsOfElements, Axis,
AngleInRadians, NbOfSteps, Tolerance,
MakeGroups, TotalAngle)
## Generate new elements by rotation of the elements of object around the axis
# @param theObject object which elements should be sweeped.
# It can be a mesh, a sub mesh or a group.
# @param Axis the axis of rotation, AxisStruct or line(geom object)
# @param AngleInRadians the angle of Rotation
# @param NbOfSteps number of steps
# @param Tolerance tolerance
# @param MakeGroups forces the generation of new groups from existing ones
# @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
# of all steps, else - size of each step
# @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def RotationSweepObject(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
MakeGroups=False, TotalAngle=False):
return self.RotationSweepObjects( [], theObject, theObject, Axis,
AngleInRadians, NbOfSteps, Tolerance,
MakeGroups, TotalAngle )
## Generate new elements by rotation of the elements of object around the axis
# @param theObject object which elements should be sweeped.
# It can be a mesh, a sub mesh or a group.
# @param Axis the axis of rotation, AxisStruct or line(geom object)
# @param AngleInRadians the angle of Rotation
# @param NbOfSteps number of steps
# @param Tolerance tolerance
# @param MakeGroups forces the generation of new groups from existing ones
# @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
# of all steps, else - size of each step
# @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def RotationSweepObject1D(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
MakeGroups=False, TotalAngle=False):
return self.RotationSweepObjects([],theObject,[], Axis,
AngleInRadians, NbOfSteps, Tolerance,
MakeGroups, TotalAngle)
## Generate new elements by rotation of the elements of object around the axis
# @param theObject object which elements should be sweeped.
# It can be a mesh, a sub mesh or a group.
# @param Axis the axis of rotation, AxisStruct or line(geom object)
# @param AngleInRadians the angle of Rotation
# @param NbOfSteps number of steps
# @param Tolerance tolerance
# @param MakeGroups forces the generation of new groups from existing ones
# @param TotalAngle gives meaning of AngleInRadians: if True then it is an angular size
# of all steps, else - size of each step
# @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def RotationSweepObject2D(self, theObject, Axis, AngleInRadians, NbOfSteps, Tolerance,
MakeGroups=False, TotalAngle=False):
return self.RotationSweepObjects([],[],theObject, Axis, AngleInRadians,
NbOfSteps, Tolerance, MakeGroups, TotalAngle)
## Generate new elements by extrusion of the given elements and nodes
# @param nodes nodes to extrude: a list including ids, groups, sub-meshes or a mesh
# @param edges edges to extrude: a list including ids, groups, sub-meshes or a mesh
# @param faces faces to extrude: a list including ids, groups, sub-meshes or a mesh
# @param StepVector vector or DirStruct or 3 vector components, defining
# the direction and value of extrusion for one step (the total extrusion
# length will be NbOfSteps * ||StepVector||)
# @param NbOfSteps the number of steps
# @param MakeGroups forces the generation of new groups from existing ones
# @param scaleFactors optional scale factors to apply during extrusion
# @param linearVariation if @c True, scaleFactors are spread over all @a scaleFactors,
# else scaleFactors[i] is applied to nodes at the i-th extrusion step
# @param basePoint optional scaling center; if not provided, a gravity center of
# nodes and elements being extruded is used as the scaling center.
# It can be either
# - a list of tree components of the point or
# - a node ID or
# - a GEOM point
# @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def ExtrusionSweepObjects(self, nodes, edges, faces, StepVector, NbOfSteps, MakeGroups=False,
scaleFactors=[], linearVariation=False, basePoint=[] ):
unRegister = genObjUnRegister()
nodes = self._getIdSourceList( nodes, SMESH.NODE, unRegister )
edges = self._getIdSourceList( edges, SMESH.EDGE, unRegister )
faces = self._getIdSourceList( faces, SMESH.FACE, unRegister )
if isinstance( StepVector, geomBuilder.GEOM._objref_GEOM_Object):
StepVector = self.smeshpyD.GetDirStruct(StepVector)
if isinstance( StepVector, list ):
StepVector = self.smeshpyD.MakeDirStruct(*StepVector)
if isinstance( basePoint, int):
xyz = self.GetNodeXYZ( basePoint )
if not xyz:
raise RuntimeError("Invalid node ID: %s" % basePoint)
basePoint = xyz
if isinstance( basePoint, geomBuilder.GEOM._objref_GEOM_Object ):
basePoint = self.geompyD.PointCoordinates( basePoint )
NbOfSteps,Parameters,hasVars = ParseParameters(NbOfSteps)
Parameters = StepVector.PS.parameters + var_separator + Parameters
self.mesh.SetParameters(Parameters)
return self.editor.ExtrusionSweepObjects( nodes, edges, faces,
StepVector, NbOfSteps,
scaleFactors, linearVariation, basePoint,
MakeGroups)
## Generate new elements by extrusion of the elements with given ids
# @param IDsOfElements the list of ids of elements or nodes for extrusion
# @param StepVector vector or DirStruct or 3 vector components, defining
# the direction and value of extrusion for one step (the total extrusion
# length will be NbOfSteps * ||StepVector||)
# @param NbOfSteps the number of steps
# @param MakeGroups forces the generation of new groups from existing ones
# @param IsNodes is True if elements with given ids are nodes
# @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def ExtrusionSweep(self, IDsOfElements, StepVector, NbOfSteps, MakeGroups=False, IsNodes = False):
n,e,f = [],[],[]
if IsNodes: n = IDsOfElements
else : e,f, = IDsOfElements,IDsOfElements
return self.ExtrusionSweepObjects(n,e,f, StepVector, NbOfSteps, MakeGroups)
## Generate new elements by extrusion along the normal to a discretized surface or wire
# @param Elements elements to extrude - a list including ids, groups, sub-meshes or a mesh.
# Only faces can be extruded so far. A sub-mesh should be a sub-mesh on geom faces.
# @param StepSize length of one extrusion step (the total extrusion
# length will be \a NbOfSteps * \a StepSize ).
# @param NbOfSteps number of extrusion steps.
# @param ByAverageNormal if True each node is translated by \a StepSize
# along the average of the normal vectors to the faces sharing the node;
# else each node is translated along the same average normal till
# intersection with the plane got by translation of the face sharing
# the node along its own normal by \a StepSize.
# @param UseInputElemsOnly to use only \a Elements when computing extrusion direction
# for every node of \a Elements.
# @param MakeGroups forces generation of new groups from existing ones.
# @param Dim dimension of elements to extrude: 2 - faces or 1 - edges. Extrusion of edges
# is not yet implemented. This parameter is used if \a Elements contains
# both faces and edges, i.e. \a Elements is a Mesh.
# @return the list of created groups (SMESH_GroupBase) if \a MakeGroups=True,
# empty list otherwise.
# @ingroup l2_modif_extrurev
def ExtrusionByNormal(self, Elements, StepSize, NbOfSteps,
ByAverageNormal=False, UseInputElemsOnly=True, MakeGroups=False, Dim = 2):
unRegister = genObjUnRegister()
if isinstance( Elements, Mesh ):
Elements = [ Elements.GetMesh() ]
if isinstance( Elements, list ):
if not Elements:
raise RuntimeError("Elements empty!")
if isinstance( Elements[0], int ):
Elements = self.GetIDSource( Elements, SMESH.ALL )
unRegister.set( Elements )
if not isinstance( Elements, list ):
Elements = [ Elements ]
StepSize,NbOfSteps,Parameters,hasVars = ParseParameters(StepSize,NbOfSteps)
self.mesh.SetParameters(Parameters)
return self.editor.ExtrusionByNormal(Elements, StepSize, NbOfSteps,
ByAverageNormal, UseInputElemsOnly, MakeGroups, Dim)
## Generate new elements by extrusion of the elements or nodes which belong to the object
# @param theObject the object whose elements or nodes should be processed.
# It can be a mesh, a sub-mesh or a group.
# @param StepVector vector or DirStruct or 3 vector components, defining
# the direction and value of extrusion for one step (the total extrusion
# length will be NbOfSteps * ||StepVector||)
# @param NbOfSteps the number of steps
# @param MakeGroups forces the generation of new groups from existing ones
# @param IsNodes is True if elements to extrude are nodes
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def ExtrusionSweepObject(self, theObject, StepVector, NbOfSteps, MakeGroups=False, IsNodes=False):
n,e,f = [],[],[]
if IsNodes: n = theObject
else : e,f, = theObject,theObject
return self.ExtrusionSweepObjects(n,e,f, StepVector, NbOfSteps, MakeGroups)
## Generate new elements by extrusion of edges which belong to the object
# @param theObject object whose 1D elements should be processed.
# It can be a mesh, a sub-mesh or a group.
# @param StepVector vector or DirStruct or 3 vector components, defining
# the direction and value of extrusion for one step (the total extrusion
# length will be NbOfSteps * ||StepVector||)
# @param NbOfSteps the number of steps
# @param MakeGroups to generate new groups from existing ones
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def ExtrusionSweepObject1D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
return self.ExtrusionSweepObjects([],theObject,[], StepVector, NbOfSteps, MakeGroups)
## Generate new elements by extrusion of faces which belong to the object
# @param theObject object whose 2D elements should be processed.
# It can be a mesh, a sub-mesh or a group.
# @param StepVector vector or DirStruct or 3 vector components, defining
# the direction and value of extrusion for one step (the total extrusion
# length will be NbOfSteps * ||StepVector||)
# @param NbOfSteps the number of steps
# @param MakeGroups forces the generation of new groups from existing ones
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def ExtrusionSweepObject2D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
return self.ExtrusionSweepObjects([],[],theObject, StepVector, NbOfSteps, MakeGroups)
## Generate new elements by extrusion of the elements with given ids
# @param IDsOfElements is ids of elements
# @param StepVector vector or DirStruct or 3 vector components, defining
# the direction and value of extrusion for one step (the total extrusion
# length will be NbOfSteps * ||StepVector||)
# @param NbOfSteps the number of steps
# @param ExtrFlags sets flags for extrusion
# @param SewTolerance uses for comparing locations of nodes if flag
# EXTRUSION_FLAG_SEW is set
# @param MakeGroups forces the generation of new groups from existing ones
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_extrurev
def AdvancedExtrusion(self, IDsOfElements, StepVector, NbOfSteps,
ExtrFlags, SewTolerance, MakeGroups=False):
if isinstance( StepVector, geomBuilder.GEOM._objref_GEOM_Object):
StepVector = self.smeshpyD.GetDirStruct(StepVector)
if isinstance( StepVector, list ):
StepVector = self.smeshpyD.MakeDirStruct(*StepVector)
return self.editor.AdvancedExtrusion(IDsOfElements, StepVector, NbOfSteps,
ExtrFlags, SewTolerance, MakeGroups)
## Generate new elements by extrusion of the given elements and nodes along the path.
# The path of extrusion must be a meshed edge.
# @param Nodes nodes to extrude: a list including ids, groups, sub-meshes or a mesh
# @param Edges edges to extrude: a list including ids, groups, sub-meshes or a mesh
# @param Faces faces to extrude: a list including ids, groups, sub-meshes or a mesh
# @param PathMesh 1D mesh or 1D sub-mesh, along which proceeds the extrusion
# @param PathShape shape (edge) defines the sub-mesh of PathMesh if PathMesh
# contains not only path segments, else it can be None
# @param NodeStart the first or the last node on the path. Defines the direction of extrusion
# @param HasAngles allows the shape to be rotated around the path
# to get the resulting mesh in a helical fashion
# @param Angles list of angles
# @param LinearVariation forces the computation of rotation angles as linear
# variation of the given Angles along path steps
# @param HasRefPoint allows using the reference point
# @param RefPoint the point around which the shape is rotated (the mass center of the
# shape by default). The User can specify any point as the Reference Point.
# @param MakeGroups forces the generation of new groups from existing ones
# @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error
# @ingroup l2_modif_extrurev
def ExtrusionAlongPathObjects(self, Nodes, Edges, Faces, PathMesh, PathShape=None,
NodeStart=1, HasAngles=False, Angles=[], LinearVariation=False,
HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False):
unRegister = genObjUnRegister()
Nodes = self._getIdSourceList( Nodes, SMESH.NODE, unRegister )
Edges = self._getIdSourceList( Edges, SMESH.EDGE, unRegister )
Faces = self._getIdSourceList( Faces, SMESH.FACE, unRegister )
if isinstance( RefPoint, geomBuilder.GEOM._objref_GEOM_Object):
RefPoint = self.smeshpyD.GetPointStruct(RefPoint)
if isinstance( RefPoint, list ):
if not RefPoint: RefPoint = [0,0,0]
RefPoint = SMESH.PointStruct( *RefPoint )
if isinstance( PathMesh, Mesh ):
PathMesh = PathMesh.GetMesh()
Angles,AnglesParameters,hasVars = ParseAngles(Angles)
Parameters = AnglesParameters + var_separator + RefPoint.parameters
self.mesh.SetParameters(Parameters)
return self.editor.ExtrusionAlongPathObjects(Nodes, Edges, Faces,
PathMesh, PathShape, NodeStart,
HasAngles, Angles, LinearVariation,
HasRefPoint, RefPoint, MakeGroups)
## Generate new elements by extrusion of the given elements
# The path of extrusion must be a meshed edge.
# @param Base mesh or group, or sub-mesh, or list of ids of elements for extrusion
# @param Path - 1D mesh or 1D sub-mesh, along which proceeds the extrusion
# @param NodeStart the start node from Path. Defines the direction of extrusion
# @param HasAngles allows the shape to be rotated around the path
# to get the resulting mesh in a helical fashion
# @param Angles list of angles in radians
# @param LinearVariation forces the computation of rotation angles as linear
# variation of the given Angles along path steps
# @param HasRefPoint allows using the reference point
# @param RefPoint the point around which the elements are rotated (the mass
# center of the elements by default).
# The User can specify any point as the Reference Point.
# RefPoint can be either GEOM Vertex, [x,y,z] or SMESH.PointStruct
# @param MakeGroups forces the generation of new groups from existing ones
# @param ElemType type of elements for extrusion (if param Base is a mesh)
# @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
# only SMESH::Extrusion_Error otherwise
# @ingroup l2_modif_extrurev
def ExtrusionAlongPathX(self, Base, Path, NodeStart,
HasAngles=False, Angles=[], LinearVariation=False,
HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False,
ElemType=SMESH.FACE):
n,e,f = [],[],[]
if ElemType == SMESH.NODE: n = Base
if ElemType == SMESH.EDGE: e = Base
if ElemType == SMESH.FACE: f = Base
gr,er = self.ExtrusionAlongPathObjects(n,e,f, Path, None, NodeStart,
HasAngles, Angles, LinearVariation,
HasRefPoint, RefPoint, MakeGroups)
if MakeGroups: return gr,er
return er
## Generate new elements by extrusion of the given elements
# The path of extrusion must be a meshed edge.
# @param IDsOfElements ids of elements
# @param PathMesh mesh containing a 1D sub-mesh on the edge, along which proceeds the extrusion
# @param PathShape shape(edge) defines the sub-mesh for the path
# @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
# @param HasAngles allows the shape to be rotated around the path
# to get the resulting mesh in a helical fashion
# @param Angles list of angles in radians
# @param HasRefPoint allows using the reference point
# @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
# The User can specify any point as the Reference Point.
# @param MakeGroups forces the generation of new groups from existing ones
# @param LinearVariation forces the computation of rotation angles as linear
# variation of the given Angles along path steps
# @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
# only SMESH::Extrusion_Error otherwise
# @ingroup l2_modif_extrurev
def ExtrusionAlongPath(self, IDsOfElements, PathMesh, PathShape, NodeStart,
HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
MakeGroups=False, LinearVariation=False):
n,e,f = [],IDsOfElements,IDsOfElements
gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape,
NodeStart, HasAngles, Angles,
LinearVariation,
HasRefPoint, RefPoint, MakeGroups)
if MakeGroups: return gr,er
return er
## Generate new elements by extrusion of the elements which belong to the object
# The path of extrusion must be a meshed edge.
# @param theObject the object whose elements should be processed.
# It can be a mesh, a sub-mesh or a group.
# @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
# @param PathShape shape(edge) defines the sub-mesh for the path
# @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
# @param HasAngles allows the shape to be rotated around the path
# to get the resulting mesh in a helical fashion
# @param Angles list of angles
# @param HasRefPoint allows using the reference point
# @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
# The User can specify any point as the Reference Point.
# @param MakeGroups forces the generation of new groups from existing ones
# @param LinearVariation forces the computation of rotation angles as linear
# variation of the given Angles along path steps
# @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
# only SMESH::Extrusion_Error otherwise
# @ingroup l2_modif_extrurev
def ExtrusionAlongPathObject(self, theObject, PathMesh, PathShape, NodeStart,
HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
MakeGroups=False, LinearVariation=False):
n,e,f = [],theObject,theObject
gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape, NodeStart,
HasAngles, Angles, LinearVariation,
HasRefPoint, RefPoint, MakeGroups)
if MakeGroups: return gr,er
return er
## Generate new elements by extrusion of mesh segments which belong to the object
# The path of extrusion must be a meshed edge.
# @param theObject the object whose 1D elements should be processed.
# It can be a mesh, a sub-mesh or a group.
# @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
# @param PathShape shape(edge) defines the sub-mesh for the path
# @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
# @param HasAngles allows the shape to be rotated around the path
# to get the resulting mesh in a helical fashion
# @param Angles list of angles
# @param HasRefPoint allows using the reference point
# @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
# The User can specify any point as the Reference Point.
# @param MakeGroups forces the generation of new groups from existing ones
# @param LinearVariation forces the computation of rotation angles as linear
# variation of the given Angles along path steps
# @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
# only SMESH::Extrusion_Error otherwise
# @ingroup l2_modif_extrurev
def ExtrusionAlongPathObject1D(self, theObject, PathMesh, PathShape, NodeStart,
HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
MakeGroups=False, LinearVariation=False):
n,e,f = [],theObject,[]
gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape, NodeStart,
HasAngles, Angles, LinearVariation,
HasRefPoint, RefPoint, MakeGroups)
if MakeGroups: return gr,er
return er
## Generate new elements by extrusion of faces which belong to the object
# The path of extrusion must be a meshed edge.
# @param theObject the object whose 2D elements should be processed.
# It can be a mesh, a sub-mesh or a group.
# @param PathMesh mesh containing a 1D sub-mesh on the edge, along which the extrusion proceeds
# @param PathShape shape(edge) defines the sub-mesh for the path
# @param NodeStart the first or the last node on the edge. Defines the direction of extrusion
# @param HasAngles allows the shape to be rotated around the path
# to get the resulting mesh in a helical fashion
# @param Angles list of angles
# @param HasRefPoint allows using the reference point
# @param RefPoint the point around which the shape is rotated (the mass center of the shape by default).
# The User can specify any point as the Reference Point.
# @param MakeGroups forces the generation of new groups from existing ones
# @param LinearVariation forces the computation of rotation angles as linear
# variation of the given Angles along path steps
# @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
# only SMESH::Extrusion_Error otherwise
# @ingroup l2_modif_extrurev
def ExtrusionAlongPathObject2D(self, theObject, PathMesh, PathShape, NodeStart,
HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
MakeGroups=False, LinearVariation=False):
n,e,f = [],[],theObject
gr,er = self.ExtrusionAlongPathObjects(n,e,f, PathMesh, PathShape, NodeStart,
HasAngles, Angles, LinearVariation,
HasRefPoint, RefPoint, MakeGroups)
if MakeGroups: return gr,er
return er
## Create a symmetrical copy of mesh elements
# @param IDsOfElements list of elements ids
# @param Mirror is AxisStruct or geom object(point, line, plane)
# @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
# If the Mirror is a geom object this parameter is unnecessary
# @param Copy allows to copy element (Copy is 1) or to replace with its mirroring (Copy is 0)
# @param MakeGroups forces the generation of new groups from existing ones (if Copy)
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_trsf
def Mirror(self, IDsOfElements, Mirror, theMirrorType=None, Copy=0, MakeGroups=False):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
Mirror = self.smeshpyD.GetAxisStruct(Mirror)
theMirrorType = Mirror._mirrorType
else:
self.mesh.SetParameters(Mirror.parameters)
if Copy and MakeGroups:
return self.editor.MirrorMakeGroups(IDsOfElements, Mirror, theMirrorType)
self.editor.Mirror(IDsOfElements, Mirror, theMirrorType, Copy)
return []
## Create a new mesh by a symmetrical copy of mesh elements
# @param IDsOfElements the list of elements ids
# @param Mirror is AxisStruct or geom object (point, line, plane)
# @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
# If the Mirror is a geom object this parameter is unnecessary
# @param MakeGroups to generate new groups from existing ones
# @param NewMeshName a name of the new mesh to create
# @return instance of Mesh class
# @ingroup l2_modif_trsf
def MirrorMakeMesh(self, IDsOfElements, Mirror, theMirrorType=0, MakeGroups=0, NewMeshName=""):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
Mirror = self.smeshpyD.GetAxisStruct(Mirror)
theMirrorType = Mirror._mirrorType
else:
self.mesh.SetParameters(Mirror.parameters)
mesh = self.editor.MirrorMakeMesh(IDsOfElements, Mirror, theMirrorType,
MakeGroups, NewMeshName)
return Mesh(self.smeshpyD,self.geompyD,mesh)
## Create a symmetrical copy of the object
# @param theObject mesh, submesh or group
# @param Mirror AxisStruct or geom object (point, line, plane)
# @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
# If the Mirror is a geom object this parameter is unnecessary
# @param Copy allows copying the element (Copy is 1) or replacing it with its mirror (Copy is 0)
# @param MakeGroups forces the generation of new groups from existing ones (if Copy)
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_trsf
def MirrorObject (self, theObject, Mirror, theMirrorType=None, Copy=0, MakeGroups=False):
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
Mirror = self.smeshpyD.GetAxisStruct(Mirror)
theMirrorType = Mirror._mirrorType
else:
self.mesh.SetParameters(Mirror.parameters)
if Copy and MakeGroups:
return self.editor.MirrorObjectMakeGroups(theObject, Mirror, theMirrorType)
self.editor.MirrorObject(theObject, Mirror, theMirrorType, Copy)
return []
## Create a new mesh by a symmetrical copy of the object
# @param theObject mesh, submesh or group
# @param Mirror AxisStruct or geom object (point, line, plane)
# @param theMirrorType smeshBuilder.POINT, smeshBuilder.AXIS or smeshBuilder.PLANE
# If the Mirror is a geom object this parameter is unnecessary
# @param MakeGroups forces the generation of new groups from existing ones
# @param NewMeshName the name of the new mesh to create
# @return instance of Mesh class
# @ingroup l2_modif_trsf
def MirrorObjectMakeMesh (self, theObject, Mirror, theMirrorType=0,MakeGroups=0,NewMeshName=""):
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
if ( isinstance( Mirror, geomBuilder.GEOM._objref_GEOM_Object)):
Mirror = self.smeshpyD.GetAxisStruct(Mirror)
theMirrorType = Mirror._mirrorType
else:
self.mesh.SetParameters(Mirror.parameters)
mesh = self.editor.MirrorObjectMakeMesh(theObject, Mirror, theMirrorType,
MakeGroups, NewMeshName)
return Mesh( self.smeshpyD,self.geompyD,mesh )
## Translate the elements
# @param IDsOfElements list of elements ids
# @param Vector the direction of translation (DirStruct or vector or 3 vector components)
# @param Copy allows copying the translated elements
# @param MakeGroups forces the generation of new groups from existing ones (if Copy)
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_trsf
def Translate(self, IDsOfElements, Vector, Copy, MakeGroups=False):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
if ( isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object)):
Vector = self.smeshpyD.GetDirStruct(Vector)
if isinstance( Vector, list ):
Vector = self.smeshpyD.MakeDirStruct(*Vector)
self.mesh.SetParameters(Vector.PS.parameters)
if Copy and MakeGroups:
return self.editor.TranslateMakeGroups(IDsOfElements, Vector)
self.editor.Translate(IDsOfElements, Vector, Copy)
return []
## Create a new mesh of translated elements
# @param IDsOfElements list of elements ids
# @param Vector the direction of translation (DirStruct or vector or 3 vector components)
# @param MakeGroups forces the generation of new groups from existing ones
# @param NewMeshName the name of the newly created mesh
# @return instance of Mesh class
# @ingroup l2_modif_trsf
def TranslateMakeMesh(self, IDsOfElements, Vector, MakeGroups=False, NewMeshName=""):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
if ( isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object)):
Vector = self.smeshpyD.GetDirStruct(Vector)
if isinstance( Vector, list ):
Vector = self.smeshpyD.MakeDirStruct(*Vector)
self.mesh.SetParameters(Vector.PS.parameters)
mesh = self.editor.TranslateMakeMesh(IDsOfElements, Vector, MakeGroups, NewMeshName)
return Mesh ( self.smeshpyD, self.geompyD, mesh )
## Translate the object
# @param theObject the object to translate (mesh, submesh, or group)
# @param Vector direction of translation (DirStruct or geom vector or 3 vector components)
# @param Copy allows copying the translated elements
# @param MakeGroups forces the generation of new groups from existing ones (if Copy)
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_trsf
def TranslateObject(self, theObject, Vector, Copy, MakeGroups=False):
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
if ( isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object)):
Vector = self.smeshpyD.GetDirStruct(Vector)
if isinstance( Vector, list ):
Vector = self.smeshpyD.MakeDirStruct(*Vector)
self.mesh.SetParameters(Vector.PS.parameters)
if Copy and MakeGroups:
return self.editor.TranslateObjectMakeGroups(theObject, Vector)
self.editor.TranslateObject(theObject, Vector, Copy)
return []
## Create a new mesh from the translated object
# @param theObject the object to translate (mesh, submesh, or group)
# @param Vector the direction of translation (DirStruct or geom vector or 3 vector components)
# @param MakeGroups forces the generation of new groups from existing ones
# @param NewMeshName the name of the newly created mesh
# @return instance of Mesh class
# @ingroup l2_modif_trsf
def TranslateObjectMakeMesh(self, theObject, Vector, MakeGroups=False, NewMeshName=""):
if isinstance( theObject, Mesh ):
theObject = theObject.GetMesh()
if isinstance( Vector, geomBuilder.GEOM._objref_GEOM_Object ):
Vector = self.smeshpyD.GetDirStruct(Vector)
if isinstance( Vector, list ):
Vector = self.smeshpyD.MakeDirStruct(*Vector)
self.mesh.SetParameters(Vector.PS.parameters)
mesh = self.editor.TranslateObjectMakeMesh(theObject, Vector, MakeGroups, NewMeshName)
return Mesh( self.smeshpyD, self.geompyD, mesh )
## Scale the object
# @param theObject - the object to translate (mesh, submesh, or group)
# @param thePoint - base point for scale (SMESH.PointStruct or list of 3 coordinates)
# @param theScaleFact - list of 1-3 scale factors for axises
# @param Copy - allows copying the translated elements
# @param MakeGroups - forces the generation of new groups from existing
# ones (if Copy)
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True,
# empty list otherwise
def Scale(self, theObject, thePoint, theScaleFact, Copy, MakeGroups=False):
unRegister = genObjUnRegister()
if ( isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
if ( isinstance( theObject, list )):
theObject = self.GetIDSource(theObject, SMESH.ALL)
unRegister.set( theObject )
if ( isinstance( thePoint, list )):
thePoint = PointStruct( thePoint[0], thePoint[1], thePoint[2] )
if ( isinstance( theScaleFact, float )):
theScaleFact = [theScaleFact]
if ( isinstance( theScaleFact, int )):
theScaleFact = [ float(theScaleFact)]
self.mesh.SetParameters(thePoint.parameters)
if Copy and MakeGroups:
return self.editor.ScaleMakeGroups(theObject, thePoint, theScaleFact)
self.editor.Scale(theObject, thePoint, theScaleFact, Copy)
return []
## Create a new mesh from the translated object
# @param theObject - the object to translate (mesh, submesh, or group)
# @param thePoint - base point for scale (SMESH.PointStruct or list of 3 coordinates)
# @param theScaleFact - list of 1-3 scale factors for axises
# @param MakeGroups - forces the generation of new groups from existing ones
# @param NewMeshName - the name of the newly created mesh
# @return instance of Mesh class
def ScaleMakeMesh(self, theObject, thePoint, theScaleFact, MakeGroups=False, NewMeshName=""):
unRegister = genObjUnRegister()
if (isinstance(theObject, Mesh)):
theObject = theObject.GetMesh()
if ( isinstance( theObject, list )):
theObject = self.GetIDSource(theObject,SMESH.ALL)
unRegister.set( theObject )
if ( isinstance( thePoint, list )):
thePoint = PointStruct( thePoint[0], thePoint[1], thePoint[2] )
if ( isinstance( theScaleFact, float )):
theScaleFact = [theScaleFact]
if ( isinstance( theScaleFact, int )):
theScaleFact = [ float(theScaleFact)]
self.mesh.SetParameters(thePoint.parameters)
mesh = self.editor.ScaleMakeMesh(theObject, thePoint, theScaleFact,
MakeGroups, NewMeshName)
return Mesh( self.smeshpyD, self.geompyD, mesh )
## Rotate the elements
# @param IDsOfElements list of elements ids
# @param Axis the axis of rotation (AxisStruct or geom line)
# @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
# @param Copy allows copying the rotated elements
# @param MakeGroups forces the generation of new groups from existing ones (if Copy)
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_trsf
def Rotate (self, IDsOfElements, Axis, AngleInRadians, Copy, MakeGroups=False):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
if ( isinstance( Axis, geomBuilder.GEOM._objref_GEOM_Object)):
Axis = self.smeshpyD.GetAxisStruct(Axis)
AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
Parameters = Axis.parameters + var_separator + Parameters
self.mesh.SetParameters(Parameters)
if Copy and MakeGroups:
return self.editor.RotateMakeGroups(IDsOfElements, Axis, AngleInRadians)
self.editor.Rotate(IDsOfElements, Axis, AngleInRadians, Copy)
return []
## Create a new mesh of rotated elements
# @param IDsOfElements list of element ids
# @param Axis the axis of rotation (AxisStruct or geom line)
# @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
# @param MakeGroups forces the generation of new groups from existing ones
# @param NewMeshName the name of the newly created mesh
# @return instance of Mesh class
# @ingroup l2_modif_trsf
def RotateMakeMesh (self, IDsOfElements, Axis, AngleInRadians, MakeGroups=0, NewMeshName=""):
if IDsOfElements == []:
IDsOfElements = self.GetElementsId()
if ( isinstance( Axis, geomBuilder.GEOM._objref_GEOM_Object)):
Axis = self.smeshpyD.GetAxisStruct(Axis)
AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
Parameters = Axis.parameters + var_separator + Parameters
self.mesh.SetParameters(Parameters)
mesh = self.editor.RotateMakeMesh(IDsOfElements, Axis, AngleInRadians,
MakeGroups, NewMeshName)
return Mesh( self.smeshpyD, self.geompyD, mesh )
## Rotate the object
# @param theObject the object to rotate( mesh, submesh, or group)
# @param Axis the axis of rotation (AxisStruct or geom line)
# @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
# @param Copy allows copying the rotated elements
# @param MakeGroups forces the generation of new groups from existing ones (if Copy)
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
# @ingroup l2_modif_trsf
def RotateObject (self, theObject, Axis, AngleInRadians, Copy, MakeGroups=False):
if (isinstance(theObject, Mesh)):
theObject = theObject.GetMesh()
if (isinstance(Axis, geomBuilder.GEOM._objref_GEOM_Object)):
Axis = self.smeshpyD.GetAxisStruct(Axis)
AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
Parameters = Axis.parameters + ":" + Parameters
self.mesh.SetParameters(Parameters)
if Copy and MakeGroups:
return self.editor.RotateObjectMakeGroups(theObject, Axis, AngleInRadians)
self.editor.RotateObject(theObject, Axis, AngleInRadians, Copy)
return []
## Create a new mesh from the rotated object
# @param theObject the object to rotate (mesh, submesh, or group)
# @param Axis the axis of rotation (AxisStruct or geom line)
# @param AngleInRadians the angle of rotation (in radians) or a name of variable which defines angle in degrees
# @param MakeGroups forces the generation of new groups from existing ones
# @param NewMeshName the name of the newly created mesh
# @return instance of Mesh class
# @ingroup l2_modif_trsf
def RotateObjectMakeMesh(self, theObject, Axis, AngleInRadians, MakeGroups=0,NewMeshName=""):
if (isinstance( theObject, Mesh )):
theObject = theObject.GetMesh()
if (isinstance(Axis, geomBuilder.GEOM._objref_GEOM_Object)):
Axis = self.smeshpyD.GetAxisStruct(Axis)
AngleInRadians,Parameters,hasVars = ParseAngles(AngleInRadians)
Parameters = Axis.parameters + ":" + Parameters
mesh = self.editor.RotateObjectMakeMesh(theObject, Axis, AngleInRadians,
MakeGroups, NewMeshName)
self.mesh.SetParameters(Parameters)
return Mesh( self.smeshpyD, self.geompyD, mesh )
## Find groups of adjacent nodes within Tolerance.
# @param Tolerance the value of tolerance
# @param SeparateCornerAndMediumNodes if @c True, in quadratic mesh puts
# corner and medium nodes in separate groups thus preventing
# their further merge.
# @return the list of groups of nodes IDs (e.g. [[1,12,13],[4,25]])
# @ingroup l2_modif_trsf
def FindCoincidentNodes (self, Tolerance, SeparateCornerAndMediumNodes=False):
return self.editor.FindCoincidentNodes( Tolerance, SeparateCornerAndMediumNodes )
## Find groups of ajacent nodes within Tolerance.
# @param Tolerance the value of tolerance
# @param SubMeshOrGroup SubMesh, Group or Filter
# @param exceptNodes list of either SubMeshes, Groups or node IDs to exclude from search
# @param SeparateCornerAndMediumNodes if @c True, in quadratic mesh puts
# corner and medium nodes in separate groups thus preventing
# their further merge.
# @return the list of groups of nodes IDs (e.g. [[1,12,13],[4,25]])
# @ingroup l2_modif_trsf
def FindCoincidentNodesOnPart (self, SubMeshOrGroup, Tolerance,
exceptNodes=[], SeparateCornerAndMediumNodes=False):
unRegister = genObjUnRegister()
if (isinstance( SubMeshOrGroup, Mesh )):
SubMeshOrGroup = SubMeshOrGroup.GetMesh()
if not isinstance( exceptNodes, list ):
exceptNodes = [ exceptNodes ]
if exceptNodes and isinstance( exceptNodes[0], int ):
exceptNodes = [ self.GetIDSource( exceptNodes, SMESH.NODE )]
unRegister.set( exceptNodes )
return self.editor.FindCoincidentNodesOnPartBut(SubMeshOrGroup, Tolerance,
exceptNodes, SeparateCornerAndMediumNodes)
## Merge nodes
# @param GroupsOfNodes a list of groups of nodes IDs for merging
# (e.g. [[1,12,13],[25,4]], then nodes 12, 13 and 4 will be removed and replaced
# by nodes 1 and 25 correspondingly in all elements and groups
# @param NodesToKeep nodes to keep in the mesh: a list of groups, sub-meshes or node IDs.
# If @a NodesToKeep does not include a node to keep for some group to merge,
# then the first node in the group is kept.
# @param AvoidMakingHoles prevent merging nodes which cause removal of elements becoming
# invalid
# @ingroup l2_modif_trsf
def MergeNodes (self, GroupsOfNodes, NodesToKeep=[], AvoidMakingHoles=False):
# NodesToKeep are converted to SMESH_IDSource in meshEditor.MergeNodes()
self.editor.MergeNodes( GroupsOfNodes, NodesToKeep, AvoidMakingHoles )
## Find the elements built on the same nodes.
# @param MeshOrSubMeshOrGroup Mesh or SubMesh, or Group of elements for searching
# @return the list of groups of equal elements IDs (e.g. [[1,12,13],[4,25]])
# @ingroup l2_modif_trsf
def FindEqualElements (self, MeshOrSubMeshOrGroup=None):
if not MeshOrSubMeshOrGroup:
MeshOrSubMeshOrGroup=self.mesh
elif isinstance( MeshOrSubMeshOrGroup, Mesh ):
MeshOrSubMeshOrGroup = MeshOrSubMeshOrGroup.GetMesh()
return self.editor.FindEqualElements( MeshOrSubMeshOrGroup )
## Merge elements in each given group.
# @param GroupsOfElementsID a list of groups of elements IDs for merging
# (e.g. [[1,12,13],[25,4]], then elements 12, 13 and 4 will be removed and
# replaced by elements 1 and 25 in all groups)
# @ingroup l2_modif_trsf
def MergeElements(self, GroupsOfElementsID):
self.editor.MergeElements(GroupsOfElementsID)
## Leave one element and remove all other elements built on the same nodes.
# @ingroup l2_modif_trsf
def MergeEqualElements(self):
self.editor.MergeEqualElements()
## Return groups of FreeBorder's coincident within the given tolerance.
# @param tolerance the tolerance. If the tolerance <= 0.0 then one tenth of an average
# size of elements adjacent to free borders being compared is used.
# @return SMESH.CoincidentFreeBorders structure
# @ingroup l2_modif_trsf
def FindCoincidentFreeBorders (self, tolerance=0.):
return self.editor.FindCoincidentFreeBorders( tolerance )
## Sew FreeBorder's of each group
# @param freeBorders either a SMESH.CoincidentFreeBorders structure or a list of lists
# where each enclosed list contains node IDs of a group of coincident free
# borders such that each consequent triple of IDs within a group describes
# a free border in a usual way: n1, n2, nLast - i.e. 1st node, 2nd node and
# last node of a border.
# For example [[1, 2, 10, 20, 21, 40], [11, 12, 15, 55, 54, 41]] describes two
# groups of coincident free borders, each group including two borders.
# @param createPolygons if @c True faces adjacent to free borders are converted to
# polygons if a node of opposite border falls on a face edge, else such
# faces are split into several ones.
# @param createPolyhedra if @c True volumes adjacent to free borders are converted to
# polyhedra if a node of opposite border falls on a volume edge, else such
# volumes, if any, remain intact and the mesh becomes non-conformal.
# @return a number of successfully sewed groups
# @ingroup l2_modif_trsf
def SewCoincidentFreeBorders (self, freeBorders, createPolygons=False, createPolyhedra=False):
if freeBorders and isinstance( freeBorders, list ):
# construct SMESH.CoincidentFreeBorders
if isinstance( freeBorders[0], int ):
freeBorders = [freeBorders]
borders = []
coincidentGroups = []
for nodeList in freeBorders:
if not nodeList or len( nodeList ) % 3:
raise ValueError("Wrong number of nodes in this group: %s" % nodeList)
group = []
while nodeList:
group.append ( SMESH.FreeBorderPart( len(borders), 0, 1, 2 ))
borders.append( SMESH.FreeBorder( nodeList[:3] ))
nodeList = nodeList[3:]
pass
coincidentGroups.append( group )
pass
freeBorders = SMESH.CoincidentFreeBorders( borders, coincidentGroups )
return self.editor.SewCoincidentFreeBorders( freeBorders, createPolygons, createPolyhedra )
## Sew free borders
# @return SMESH::Sew_Error
# @ingroup l2_modif_trsf
def SewFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
FirstNodeID2, SecondNodeID2, LastNodeID2,
CreatePolygons, CreatePolyedrs):
return self.editor.SewFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
FirstNodeID2, SecondNodeID2, LastNodeID2,
CreatePolygons, CreatePolyedrs)
## Sew conform free borders
# @return SMESH::Sew_Error
# @ingroup l2_modif_trsf
def SewConformFreeBorders (self, FirstNodeID1, SecondNodeID1, LastNodeID1,
FirstNodeID2, SecondNodeID2):
return self.editor.SewConformFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
FirstNodeID2, SecondNodeID2)
## Sew border to side
# @return SMESH::Sew_Error
# @ingroup l2_modif_trsf
def SewBorderToSide (self, FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs):
return self.editor.SewBorderToSide(FirstNodeIDOnFreeBorder, SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,
FirstNodeIDOnSide, LastNodeIDOnSide, CreatePolygons, CreatePolyedrs)
## Sew two sides of a mesh. The nodes belonging to Side1 are
# merged with the nodes of elements of Side2.
# The number of elements in theSide1 and in theSide2 must be
# equal and they should have similar nodal connectivity.
# The nodes to merge should belong to side borders and
# the first node should be linked to the second.
# @return SMESH::Sew_Error
# @ingroup l2_modif_trsf
def SewSideElements (self, IDsOfSide1Elements, IDsOfSide2Elements,
NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge):
return self.editor.SewSideElements(IDsOfSide1Elements, IDsOfSide2Elements,
NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge)
## Set new nodes for the given element.
# @param ide the element id
# @param newIDs nodes ids
# @return If the number of nodes does not correspond to the type of element - return false
# @ingroup l2_modif_edit
def ChangeElemNodes(self, ide, newIDs):
return self.editor.ChangeElemNodes(ide, newIDs)
## If during the last operation of MeshEditor some nodes were
# created, this method return the list of their IDs, \n
# if new nodes were not created - return empty list
# @return the list of integer values (can be empty)
# @ingroup l2_modif_add
def GetLastCreatedNodes(self):
return self.editor.GetLastCreatedNodes()
## If during the last operation of MeshEditor some elements were
# created this method return the list of their IDs, \n
# if new elements were not created - return empty list
# @return the list of integer values (can be empty)
# @ingroup l2_modif_add
def GetLastCreatedElems(self):
return self.editor.GetLastCreatedElems()
## Forget what nodes and elements were created by the last mesh edition operation
# @ingroup l2_modif_add
def ClearLastCreated(self):
self.editor.ClearLastCreated()
## Create duplicates of given elements, i.e. create new elements based on the
# same nodes as the given ones.
# @param theElements - container of elements to duplicate. It can be a Mesh,
# sub-mesh, group, filter or a list of element IDs. If \a theElements is
# a Mesh, elements of highest dimension are duplicated
# @param theGroupName - a name of group to contain the generated elements.
# If a group with such a name already exists, the new elements
# are added to the existng group, else a new group is created.
# If \a theGroupName is empty, new elements are not added
# in any group.
# @return a group where the new elements are added. None if theGroupName == "".
# @ingroup l2_modif_duplicat
def DoubleElements(self, theElements, theGroupName=""):
unRegister = genObjUnRegister()
if isinstance( theElements, Mesh ):
theElements = theElements.mesh
elif isinstance( theElements, list ):
theElements = self.GetIDSource( theElements, SMESH.ALL )
unRegister.set( theElements )
return self.editor.DoubleElements(theElements, theGroupName)
## Create a hole in a mesh by doubling the nodes of some particular elements
# @param theNodes identifiers of nodes to be doubled
# @param theModifiedElems identifiers of elements to be updated by the new (doubled)
# nodes. If list of element identifiers is empty then nodes are doubled but
# they not assigned to elements
# @return TRUE if operation has been completed successfully, FALSE otherwise
# @ingroup l2_modif_duplicat
def DoubleNodes(self, theNodes, theModifiedElems):
return self.editor.DoubleNodes(theNodes, theModifiedElems)
## Create a hole in a mesh by doubling the nodes of some particular elements
# This method provided for convenience works as DoubleNodes() described above.
# @param theNodeId identifiers of node to be doubled
# @param theModifiedElems identifiers of elements to be updated
# @return TRUE if operation has been completed successfully, FALSE otherwise
# @ingroup l2_modif_duplicat
def DoubleNode(self, theNodeId, theModifiedElems):
return self.editor.DoubleNode(theNodeId, theModifiedElems)
## Create a hole in a mesh by doubling the nodes of some particular elements
# This method provided for convenience works as DoubleNodes() described above.
# @param theNodes group of nodes to be doubled
# @param theModifiedElems group of elements to be updated.
# @param theMakeGroup forces the generation of a group containing new nodes.
# @return TRUE or a created group if operation has been completed successfully,
# FALSE or None otherwise
# @ingroup l2_modif_duplicat
def DoubleNodeGroup(self, theNodes, theModifiedElems, theMakeGroup=False):
if theMakeGroup:
return self.editor.DoubleNodeGroupNew(theNodes, theModifiedElems)
return self.editor.DoubleNodeGroup(theNodes, theModifiedElems)
## Create a hole in a mesh by doubling the nodes of some particular elements
# This method provided for convenience works as DoubleNodes() described above.
# @param theNodes list of groups of nodes to be doubled
# @param theModifiedElems list of groups of elements to be updated.
# @param theMakeGroup forces the generation of a group containing new nodes.
# @return TRUE if operation has been completed successfully, FALSE otherwise
# @ingroup l2_modif_duplicat
def DoubleNodeGroups(self, theNodes, theModifiedElems, theMakeGroup=False):
if theMakeGroup:
return self.editor.DoubleNodeGroupsNew(theNodes, theModifiedElems)
return self.editor.DoubleNodeGroups(theNodes, theModifiedElems)
## Create a hole in a mesh by doubling the nodes of some particular elements
# @param theElems - the list of elements (edges or faces) to be replicated
# The nodes for duplication could be found from these elements
# @param theNodesNot - list of nodes to NOT replicate
# @param theAffectedElems - the list of elements (cells and edges) to which the
# replicated nodes should be associated to.
# @return TRUE if operation has been completed successfully, FALSE otherwise
# @ingroup l2_modif_duplicat
def DoubleNodeElem(self, theElems, theNodesNot, theAffectedElems):
return self.editor.DoubleNodeElem(theElems, theNodesNot, theAffectedElems)
## Create a hole in a mesh by doubling the nodes of some particular elements
# @param theElems - the list of elements (edges or faces) to be replicated
# The nodes for duplication could be found from these elements
# @param theNodesNot - list of nodes to NOT replicate
# @param theShape - shape to detect affected elements (element which geometric center
# located on or inside shape).
# The replicated nodes should be associated to affected elements.
# @return TRUE if operation has been completed successfully, FALSE otherwise
# @ingroup l2_modif_duplicat
def DoubleNodeElemInRegion(self, theElems, theNodesNot, theShape):
return self.editor.DoubleNodeElemInRegion(theElems, theNodesNot, theShape)
## Create a hole in a mesh by doubling the nodes of some particular elements
# This method provided for convenience works as DoubleNodes() described above.
# @param theElems - group of of elements (edges or faces) to be replicated
# @param theNodesNot - group of nodes not to replicated
# @param theAffectedElems - group of elements to which the replicated nodes
# should be associated to.
# @param theMakeGroup forces the generation of a group containing new elements.
# @param theMakeNodeGroup forces the generation of a group containing new nodes.
# @return TRUE or created groups (one or two) if operation has been completed successfully,
# FALSE or None otherwise
# @ingroup l2_modif_duplicat
def DoubleNodeElemGroup(self, theElems, theNodesNot, theAffectedElems,
theMakeGroup=False, theMakeNodeGroup=False):
if theMakeGroup or theMakeNodeGroup:
twoGroups = self.editor.DoubleNodeElemGroup2New(theElems, theNodesNot,
theAffectedElems,
theMakeGroup, theMakeNodeGroup)
if theMakeGroup and theMakeNodeGroup:
return twoGroups
else:
return twoGroups[ int(theMakeNodeGroup) ]
return self.editor.DoubleNodeElemGroup(theElems, theNodesNot, theAffectedElems)
## Create a hole in a mesh by doubling the nodes of some particular elements
# This method provided for convenience works as DoubleNodes() described above.
# @param theElems - group of of elements (edges or faces) to be replicated
# @param theNodesNot - group of nodes not to replicated
# @param theShape - shape to detect affected elements (element which geometric center
# located on or inside shape).
# The replicated nodes should be associated to affected elements.
# @ingroup l2_modif_duplicat
def DoubleNodeElemGroupInRegion(self, theElems, theNodesNot, theShape):
return self.editor.DoubleNodeElemGroupInRegion(theElems, theNodesNot, theShape)
## Create a hole in a mesh by doubling the nodes of some particular elements
# This method provided for convenience works as DoubleNodes() described above.
# @param theElems - list of groups of elements (edges or faces) to be replicated
# @param theNodesNot - list of groups of nodes not to replicated
# @param theAffectedElems - group of elements to which the replicated nodes
# should be associated to.
# @param theMakeGroup forces the generation of a group containing new elements.
# @param theMakeNodeGroup forces the generation of a group containing new nodes.
# @return TRUE or created groups (one or two) if operation has been completed successfully,
# FALSE or None otherwise
# @ingroup l2_modif_duplicat
def DoubleNodeElemGroups(self, theElems, theNodesNot, theAffectedElems,
theMakeGroup=False, theMakeNodeGroup=False):
if theMakeGroup or theMakeNodeGroup:
twoGroups = self.editor.DoubleNodeElemGroups2New(theElems, theNodesNot,
theAffectedElems,
theMakeGroup, theMakeNodeGroup)
if theMakeGroup and theMakeNodeGroup:
return twoGroups
else:
return twoGroups[ int(theMakeNodeGroup) ]
return self.editor.DoubleNodeElemGroups(theElems, theNodesNot, theAffectedElems)
## Create a hole in a mesh by doubling the nodes of some particular elements
# This method provided for convenience works as DoubleNodes() described above.
# @param theElems - list of groups of elements (edges or faces) to be replicated
# @param theNodesNot - list of groups of nodes not to replicated
# @param theShape - shape to detect affected elements (element which geometric center
# located on or inside shape).
# The replicated nodes should be associated to affected elements.
# @return TRUE if operation has been completed successfully, FALSE otherwise
# @ingroup l2_modif_duplicat
def DoubleNodeElemGroupsInRegion(self, theElems, theNodesNot, theShape):
return self.editor.DoubleNodeElemGroupsInRegion(theElems, theNodesNot, theShape)
## Identify the elements that will be affected by node duplication (actual duplication is not performed.
# This method is the first step of DoubleNodeElemGroupsInRegion.
# @param theElems - list of groups of elements (edges or faces) to be replicated
# @param theNodesNot - list of groups of nodes not to replicated
# @param theShape - shape to detect affected elements (element which geometric center
# located on or inside shape).
# The replicated nodes should be associated to affected elements.
# @return groups of affected elements
# @ingroup l2_modif_duplicat
def AffectedElemGroupsInRegion(self, theElems, theNodesNot, theShape):
return self.editor.AffectedElemGroupsInRegion(theElems, theNodesNot, theShape)
## Double nodes on shared faces between groups of volumes and create flat elements on demand.
# The list of groups must describe a partition of the mesh volumes.
# The nodes of the internal faces at the boundaries of the groups are doubled.
# In option, the internal faces are replaced by flat elements.
# Triangles are transformed in prisms, and quadrangles in hexahedrons.
# @param theDomains - list of groups of volumes
# @param createJointElems - if TRUE, create the elements
# @param onAllBoundaries - if TRUE, the nodes and elements are also created on
# the boundary between \a theDomains and the rest mesh
# @return TRUE if operation has been completed successfully, FALSE otherwise
# @ingroup l2_modif_duplicat
def DoubleNodesOnGroupBoundaries(self, theDomains, createJointElems, onAllBoundaries=False ):
return self.editor.DoubleNodesOnGroupBoundaries( theDomains, createJointElems, onAllBoundaries )
## Double nodes on some external faces and create flat elements.
# Flat elements are mainly used by some types of mechanic calculations.
#
# Each group of the list must be constituted of faces.
# Triangles are transformed in prisms, and quadrangles in hexahedrons.
# @param theGroupsOfFaces - list of groups of faces
# @return TRUE if operation has been completed successfully, FALSE otherwise
# @ingroup l2_modif_duplicat
def CreateFlatElementsOnFacesGroups(self, theGroupsOfFaces ):
return self.editor.CreateFlatElementsOnFacesGroups( theGroupsOfFaces )
## identify all the elements around a geom shape, get the faces delimiting the hole
#
def CreateHoleSkin(self, radius, theShape, groupName, theNodesCoords):
return self.editor.CreateHoleSkin( radius, theShape, groupName, theNodesCoords )
def _getFunctor(self, funcType ):
fn = self.functors[ funcType._v ]
if not fn:
fn = self.smeshpyD.GetFunctor(funcType)
fn.SetMesh(self.mesh)
self.functors[ funcType._v ] = fn
return fn
## Return value of a functor for a given element
# @param funcType an item of SMESH.FunctorType enum
# Type "SMESH.FunctorType._items" in the Python Console to see all items.
# @param elemId element or node ID
# @param isElem @a elemId is ID of element or node
# @return the functor value or zero in case of invalid arguments
# @ingroup l1_measurements
def FunctorValue(self, funcType, elemId, isElem=True):
fn = self._getFunctor( funcType )
if fn.GetElementType() == self.GetElementType(elemId, isElem):
val = fn.GetValue(elemId)
else:
val = 0
return val
## Get length of 1D element or sum of lengths of all 1D mesh elements
# @param elemId mesh element ID (if not defined - sum of length of all 1D elements will be calculated)
# @return element's length value if \a elemId is specified or sum of all 1D mesh elements' lengths otherwise
# @ingroup l1_measurements
def GetLength(self, elemId=None):
length = 0
if elemId == None:
length = self.smeshpyD.GetLength(self)
else:
length = self.FunctorValue(SMESH.FT_Length, elemId)
return length
## Get area of 2D element or sum of areas of all 2D mesh elements
# @param elemId mesh element ID (if not defined - sum of areas of all 2D elements will be calculated)
# @return element's area value if \a elemId is specified or sum of all 2D mesh elements' areas otherwise
# @ingroup l1_measurements
def GetArea(self, elemId=None):
area = 0
if elemId == None:
area = self.smeshpyD.GetArea(self)
else:
area = self.FunctorValue(SMESH.FT_Area, elemId)
return area
## Get volume of 3D element or sum of volumes of all 3D mesh elements
# @param elemId mesh element ID (if not defined - sum of volumes of all 3D elements will be calculated)
# @return element's volume value if \a elemId is specified or sum of all 3D mesh elements' volumes otherwise
# @ingroup l1_measurements
def GetVolume(self, elemId=None):
volume = 0
if elemId == None:
volume = self.smeshpyD.GetVolume(self)
else:
volume = self.FunctorValue(SMESH.FT_Volume3D, elemId)
return volume
## Get maximum element length.
# @param elemId mesh element ID
# @return element's maximum length value
# @ingroup l1_measurements
def GetMaxElementLength(self, elemId):
if self.GetElementType(elemId, True) == SMESH.VOLUME:
ftype = SMESH.FT_MaxElementLength3D
else:
ftype = SMESH.FT_MaxElementLength2D
return self.FunctorValue(ftype, elemId)
## Get aspect ratio of 2D or 3D element.
# @param elemId mesh element ID
# @return element's aspect ratio value
# @ingroup l1_measurements
def GetAspectRatio(self, elemId):
if self.GetElementType(elemId, True) == SMESH.VOLUME:
ftype = SMESH.FT_AspectRatio3D
else:
ftype = SMESH.FT_AspectRatio
return self.FunctorValue(ftype, elemId)
## Get warping angle of 2D element.
# @param elemId mesh element ID
# @return element's warping angle value
# @ingroup l1_measurements
def GetWarping(self, elemId):
return self.FunctorValue(SMESH.FT_Warping, elemId)
## Get minimum angle of 2D element.
# @param elemId mesh element ID
# @return element's minimum angle value
# @ingroup l1_measurements
def GetMinimumAngle(self, elemId):
return self.FunctorValue(SMESH.FT_MinimumAngle, elemId)
## Get taper of 2D element.
# @param elemId mesh element ID
# @return element's taper value
# @ingroup l1_measurements
def GetTaper(self, elemId):
return self.FunctorValue(SMESH.FT_Taper, elemId)
## Get skew of 2D element.
# @param elemId mesh element ID
# @return element's skew value
# @ingroup l1_measurements
def GetSkew(self, elemId):
return self.FunctorValue(SMESH.FT_Skew, elemId)
## Return minimal and maximal value of a given functor.
# @param funType a functor type, an item of SMESH.FunctorType enum
# (one of SMESH.FunctorType._items)
# @param meshPart a part of mesh (group, sub-mesh) to treat
# @return tuple (min,max)
# @ingroup l1_measurements
def GetMinMax(self, funType, meshPart=None):
unRegister = genObjUnRegister()
if isinstance( meshPart, list ):
meshPart = self.GetIDSource( meshPart, SMESH.ALL )
unRegister.set( meshPart )
if isinstance( meshPart, Mesh ):
meshPart = meshPart.mesh
fun = self._getFunctor( funType )
if fun:
if meshPart:
if hasattr( meshPart, "SetMesh" ):
meshPart.SetMesh( self.mesh ) # set mesh to filter
hist = fun.GetLocalHistogram( 1, False, meshPart )
else:
hist = fun.GetHistogram( 1, False )
if hist:
return hist[0].min, hist[0].max
return None
pass # end of Mesh class
## Private class used to compensate change of CORBA API of SMESH_Mesh for backward compatibility
# with old dump scripts which call SMESH_Mesh directly and not via smeshBuilder.Mesh
#
class meshProxy(SMESH._objref_SMESH_Mesh):
def __init__(self):
SMESH._objref_SMESH_Mesh.__init__(self)
def __deepcopy__(self, memo=None):
new = self.__class__()
return new
def CreateDimGroup(self,*args): # 2 args added: nbCommonNodes, underlyingOnly
if len( args ) == 3:
args += SMESH.ALL_NODES, True
return SMESH._objref_SMESH_Mesh.CreateDimGroup( self, *args )
pass
omniORB.registerObjref(SMESH._objref_SMESH_Mesh._NP_RepositoryId, meshProxy)
## Private class wrapping SMESH.SMESH_SubMesh in order to add Compute()
#
class submeshProxy(SMESH._objref_SMESH_subMesh):
def __init__(self):
SMESH._objref_SMESH_subMesh.__init__(self)
self.mesh = None
def __deepcopy__(self, memo=None):
new = self.__class__()
return new
## Compute the sub-mesh and return the status of the computation
# @param refresh if @c True, Object browser is automatically updated (when running in GUI)
# @return True or False
#
# This is a method of SMESH.SMESH_submesh that can be obtained via Mesh.GetSubMesh() or
# @ref smesh_algorithm.Mesh_Algorithm.GetSubMesh() "Mesh_Algorithm.GetSubMesh()".
# @ingroup l2_submeshes
def Compute(self,refresh=False):
if not self.mesh:
self.mesh = Mesh( smeshBuilder(), None, self.GetMesh())
ok = self.mesh.Compute( self.GetSubShape(),refresh=[] )
if salome.sg.hasDesktop() and self.mesh.GetStudyId() >= 0:
smeshgui = salome.ImportComponentGUI("SMESH")
smeshgui.Init(self.mesh.GetStudyId())
smeshgui.SetMeshIcon( salome.ObjectToID( self ), ok, (self.GetNumberOfElements()==0) )
if refresh: salome.sg.updateObjBrowser(True)
pass
return ok
pass
omniORB.registerObjref(SMESH._objref_SMESH_subMesh._NP_RepositoryId, submeshProxy)
## Private class used to compensate change of CORBA API of SMESH_MeshEditor for backward
# compatibility with old dump scripts which call SMESH_MeshEditor directly and not via
# smeshBuilder.Mesh
#
class meshEditor(SMESH._objref_SMESH_MeshEditor):
def __init__(self):
SMESH._objref_SMESH_MeshEditor.__init__(self)
self.mesh = None
def __getattr__(self, name ): # method called if an attribute not found
if not self.mesh: # look for name() method in Mesh class
self.mesh = Mesh( None, None, SMESH._objref_SMESH_MeshEditor.GetMesh(self))
if hasattr( self.mesh, name ):
return getattr( self.mesh, name )
if name == "ExtrusionAlongPathObjX":
return getattr( self.mesh, "ExtrusionAlongPathX" ) # other method name
print("meshEditor: attribute '%s' NOT FOUND" % name)
return None
def __deepcopy__(self, memo=None):
new = self.__class__()
return new
def FindCoincidentNodes(self,*args): # a 2nd arg added (SeparateCornerAndMediumNodes)
if len( args ) == 1: args += False,
return SMESH._objref_SMESH_MeshEditor.FindCoincidentNodes( self, *args )
def FindCoincidentNodesOnPart(self,*args): # a 3d arg added (SeparateCornerAndMediumNodes)
if len( args ) == 2: args += False,
return SMESH._objref_SMESH_MeshEditor.FindCoincidentNodesOnPart( self, *args )
def MergeNodes(self,*args): # 2 args added (NodesToKeep,AvoidMakingHoles)
if len( args ) == 1:
return SMESH._objref_SMESH_MeshEditor.MergeNodes( self, args[0], [], False )
NodesToKeep = args[1]
AvoidMakingHoles = args[2] if len( args ) == 3 else False
unRegister = genObjUnRegister()
if NodesToKeep:
if isinstance( NodesToKeep, list ) and isinstance( NodesToKeep[0], int ):
NodesToKeep = self.MakeIDSource( NodesToKeep, SMESH.NODE )
if not isinstance( NodesToKeep, list ):
NodesToKeep = [ NodesToKeep ]
return SMESH._objref_SMESH_MeshEditor.MergeNodes( self, args[0], NodesToKeep, AvoidMakingHoles )
pass
omniORB.registerObjref(SMESH._objref_SMESH_MeshEditor._NP_RepositoryId, meshEditor)
## Private class wrapping SMESH.SMESH_Pattern CORBA class in order to treat Notebook
# variables in some methods
#
class Pattern(SMESH._objref_SMESH_Pattern):
def LoadFromFile(self, patternTextOrFile ):
text = patternTextOrFile
if os.path.exists( text ):
text = open( patternTextOrFile ).read()
pass
return SMESH._objref_SMESH_Pattern.LoadFromFile( self, text )
def ApplyToMeshFaces(self, theMesh, theFacesIDs, theNodeIndexOnKeyPoint1, theReverse):
decrFun = lambda i: i-1
theNodeIndexOnKeyPoint1,Parameters,hasVars = ParseParameters(theNodeIndexOnKeyPoint1, decrFun)
theMesh.SetParameters(Parameters)
return SMESH._objref_SMESH_Pattern.ApplyToMeshFaces( self, theMesh, theFacesIDs, theNodeIndexOnKeyPoint1, theReverse )
def ApplyToHexahedrons(self, theMesh, theVolumesIDs, theNode000Index, theNode001Index):
decrFun = lambda i: i-1
theNode000Index,theNode001Index,Parameters,hasVars = ParseParameters(theNode000Index,theNode001Index, decrFun)
theMesh.SetParameters(Parameters)
return SMESH._objref_SMESH_Pattern.ApplyToHexahedrons( self, theMesh, theVolumesIDs, theNode000Index, theNode001Index )
def MakeMesh(self, mesh, CreatePolygons=False, CreatePolyhedra=False):
if isinstance( mesh, Mesh ):
mesh = mesh.GetMesh()
return SMESH._objref_SMESH_Pattern.MakeMesh( self, mesh, CreatePolygons, CreatePolyhedra )
# Registering the new proxy for Pattern
omniORB.registerObjref(SMESH._objref_SMESH_Pattern._NP_RepositoryId, Pattern)
## Private class used to bind methods creating algorithms to the class Mesh
#
class algoCreator:
def __init__(self):
self.mesh = None
self.defaultAlgoType = ""
self.algoTypeToClass = {}
# Store a python class of algorithm
def add(self, algoClass):
if type( algoClass ).__name__ == 'classobj' and \
hasattr( algoClass, "algoType"):
self.algoTypeToClass[ algoClass.algoType ] = algoClass
if not self.defaultAlgoType and \
hasattr( algoClass, "isDefault") and algoClass.isDefault:
self.defaultAlgoType = algoClass.algoType
#print "Add",algoClass.algoType, "dflt",self.defaultAlgoType
# Create a copy of self and assign mesh to the copy
def copy(self, mesh):
other = algoCreator()
other.defaultAlgoType = self.defaultAlgoType
other.algoTypeToClass = self.algoTypeToClass
other.mesh = mesh
return other
# Create an instance of algorithm
def __call__(self,algo="",geom=0,*args):
algoType = self.defaultAlgoType
for arg in args + (algo,geom):
if isinstance( arg, geomBuilder.GEOM._objref_GEOM_Object ):
geom = arg
if isinstance( arg, str ) and arg:
algoType = arg
if not algoType and self.algoTypeToClass:
algoType = list(self.algoTypeToClass.keys())[0]
if algoType in self.algoTypeToClass:
#print "Create algo",algoType
return self.algoTypeToClass[ algoType ]( self.mesh, geom )
raise RuntimeError("No class found for algo type %s" % algoType)
return None
## Private class used to substitute and store variable parameters of hypotheses.
#
class hypMethodWrapper:
def __init__(self, hyp, method):
self.hyp = hyp
self.method = method
#print "REBIND:", method.__name__
return
# call a method of hypothesis with calling SetVarParameter() before
def __call__(self,*args):
if not args:
return self.method( self.hyp, *args ) # hypothesis method with no args
#print "MethWrapper.__call__",self.method.__name__, args
try:
parsed = ParseParameters(*args) # replace variables with their values
self.hyp.SetVarParameter( parsed[-2], self.method.__name__ )
result = self.method( self.hyp, *parsed[:-2] ) # call hypothesis method
except omniORB.CORBA.BAD_PARAM: # raised by hypothesis method call
# maybe there is a replaced string arg which is not variable
result = self.method( self.hyp, *args )
except ValueError as detail: # raised by ParseParameters()
try:
result = self.method( self.hyp, *args )
except omniORB.CORBA.BAD_PARAM:
raise ValueError(detail) # wrong variable name
return result
pass
## A helper class that calls UnRegister() of SALOME.GenericObj'es stored in it
#
class genObjUnRegister:
def __init__(self, genObj=None):
self.genObjList = []
self.set( genObj )
return
def set(self, genObj):
"Store one or a list of of SALOME.GenericObj'es"
if isinstance( genObj, list ):
self.genObjList.extend( genObj )
else:
self.genObjList.append( genObj )
return
def __del__(self):
for genObj in self.genObjList:
if genObj and hasattr( genObj, "UnRegister" ):
genObj.UnRegister()
## Bind methods creating mesher plug-ins to the Mesh class
#
for pluginName in os.environ[ "SMESH_MeshersList" ].split( ":" ):
#
#print "pluginName: ", pluginName
pluginBuilderName = pluginName + "Builder"
try:
exec( "from salome.%s.%s import *" % (pluginName, pluginBuilderName))
except Exception as e:
from salome_utils import verbose
if verbose(): print("Exception while loading %s: %s" % ( pluginBuilderName, e ))
continue
exec( "from salome.%s import %s" % (pluginName, pluginBuilderName))
plugin = eval( pluginBuilderName )
#print " plugin:" , str(plugin)
# add methods creating algorithms to Mesh
for k in dir( plugin ):
if k[0] == '_': continue
algo = getattr( plugin, k )
#print " algo:", str(algo)
if type( algo ).__name__ == 'classobj' and hasattr( algo, "meshMethod" ):
#print " meshMethod:" , str(algo.meshMethod)
if not hasattr( Mesh, algo.meshMethod ):
setattr( Mesh, algo.meshMethod, algoCreator() )
pass
getattr( Mesh, algo.meshMethod ).add( algo )
pass
pass
pass
del pluginName
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