mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-09-22 10:42:52 +05:00
Adding python example on how to reproduce content of Mesh information for element and node
This commit is contained in:
yoann.audouin
parent
2de9636a4f
commit
af0dc2754a
306
doc/examples/viewing_meshes_ex03.py
Normal file
306
doc/examples/viewing_meshes_ex03.py
Normal file
@ -0,0 +1,306 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
###
|
||||
### This file shows how to get the information that are displayed when using Mesh Information for elements/nodes
|
||||
###
|
||||
|
||||
import sys
|
||||
import salome
|
||||
|
||||
salome.salome_init()
|
||||
import salome_notebook
|
||||
notebook = salome_notebook.NoteBook()
|
||||
sys.path.insert(0, r'/local00/home/B61570/work_in_progress/mesh_info')
|
||||
|
||||
###
|
||||
### GEOM component
|
||||
###
|
||||
|
||||
import GEOM
|
||||
from salome.geom import geomBuilder
|
||||
import math
|
||||
import SALOMEDS
|
||||
|
||||
|
||||
geompy = geomBuilder.New()
|
||||
|
||||
Box_1 = geompy.MakeBoxDXDYDZ(200, 200, 200)
|
||||
geompy.addToStudy( Box_1, 'Box_1' )
|
||||
bottom = geompy.CreateGroup(Box_1, geompy.ShapeType["FACE"])
|
||||
geompy.UnionIDs(bottom, [31])
|
||||
|
||||
###
|
||||
### SMESH component
|
||||
###
|
||||
|
||||
import SMESH, SALOMEDS
|
||||
from salome.smesh import smeshBuilder
|
||||
|
||||
smesh = smeshBuilder.New()
|
||||
|
||||
|
||||
## Tetra
|
||||
NETGEN_3D_Parameters_1 = smesh.CreateHypothesisByAverageLength( 'NETGEN_Parameters', 'NETGENEngine', 25, 0 )
|
||||
Mesh_tetra = smesh.Mesh(Box_1,'Mesh_tetra')
|
||||
status = Mesh_tetra.AddHypothesis( Box_1, NETGEN_3D_Parameters_1 )
|
||||
NETGEN_1D_2D_3D = Mesh_tetra.Tetrahedron(algo=smeshBuilder.NETGEN_1D2D3D)
|
||||
isDone = Mesh_tetra.Compute()
|
||||
if not isDone:
|
||||
raise ("Could not compute mesh: "+Mesh_tetra.GetName())
|
||||
|
||||
## Tetra
|
||||
Mesh_quadratic = smesh.Mesh(Box_1,'Mesh_quadratic')
|
||||
NETGEN_1D_2D_3D_1 = Mesh_quadratic.Tetrahedron(algo=smeshBuilder.NETGEN_1D2D3D)
|
||||
NETGEN_3D_Parameters_2 = NETGEN_1D_2D_3D_1.Parameters()
|
||||
NETGEN_3D_Parameters_2.SetMaxSize( 34.641 )
|
||||
NETGEN_3D_Parameters_2.SetMinSize( 0.34641 )
|
||||
NETGEN_3D_Parameters_2.SetSecondOrder( 1 )
|
||||
isDone = Mesh_quadratic.Compute()
|
||||
if not isDone:
|
||||
raise ("Could not compute mesh: "+Mesh_quadratic.GetName())
|
||||
|
||||
|
||||
# Hexa mesh
|
||||
Mesh_hexa = smesh.Mesh(Box_1,'Mesh_hexa')
|
||||
Regular_1D = Mesh_hexa.Segment()
|
||||
Number_of_Segments_1 = Regular_1D.NumberOfSegments(15)
|
||||
Quadrangle_2D = Mesh_hexa.Quadrangle(algo=smeshBuilder.QUADRANGLE)
|
||||
Hexa_3D = Mesh_hexa.Hexahedron(algo=smeshBuilder.Hexa)
|
||||
isDone = Mesh_hexa.Compute()
|
||||
if not isDone:
|
||||
raise ("Could not compute mesh: "+Mesh_hexa.GetName())
|
||||
|
||||
# Poly Mesh
|
||||
Mesh_poly = smesh.CreateDualMesh(Mesh_tetra, 'dual_Mesh_1', True)
|
||||
|
||||
# Prism mesh
|
||||
|
||||
Mesh_prism = smesh.Mesh(Box_1,'Mesh_prism')
|
||||
Regular_1D_1 = Mesh_prism.Segment()
|
||||
Number_of_Segments_2 = Regular_1D_1.NumberOfSegments(15)
|
||||
NETGEN_1D_2D = Mesh_prism.Triangle(algo=smeshBuilder.NETGEN_1D2D,geom=bottom)
|
||||
NETGEN_2D_Parameters_1 = NETGEN_1D_2D.Parameters()
|
||||
NETGEN_2D_Parameters_1.SetMaxSize(35)
|
||||
NETGEN_2D_Parameters_1.SetMinSize(0.3)
|
||||
Prism_3D = Mesh_prism.Prism()
|
||||
isDone = Mesh_prism.Compute()
|
||||
if not isDone:
|
||||
raise ("Could not compute mesh: "+Mesh_prism.GetName())
|
||||
|
||||
# Pyramid mesh
|
||||
Mesh_pyramids = smesh.Mesh(Box_1,'Mesh_pyramids')
|
||||
Regular_1D_2 = Mesh_pyramids.Segment()
|
||||
Number_of_Segments_3 = Regular_1D_2.NumberOfSegments(15)
|
||||
Quadrangle_2D_1 = Mesh_pyramids.Quadrangle(algo=smeshBuilder.QUADRANGLE)
|
||||
NETGEN_3D = Mesh_pyramids.Tetrahedron()
|
||||
bottom_1 = Mesh_pyramids.GroupOnGeom(bottom,'bottom',SMESH.FACE)
|
||||
isDone = Mesh_pyramids.Compute()
|
||||
if not isDone:
|
||||
raise ("Could not compute mesh: "+Mesh_pyramids.GetName())
|
||||
|
||||
|
||||
## Set names of Mesh objects
|
||||
smesh.SetName(NETGEN_1D_2D_3D.GetAlgorithm(), 'NETGEN 1D-2D-3D')
|
||||
smesh.SetName(NETGEN_3D_Parameters_1, 'NETGEN 3D Parameters_1')
|
||||
smesh.SetName(Mesh_tetra.GetMesh(), 'Mesh_tetra')
|
||||
smesh.SetName(Mesh_hexa.GetMesh(), 'Mesh_hexa')
|
||||
|
||||
if salome.sg.hasDesktop():
|
||||
salome.sg.updateObjBrowser()
|
||||
|
||||
# Look in SMESH_GUI/SMESHGUI_MeshInfo.cxx +1666 for list of what is
|
||||
|
||||
def face_info(mesh, elem_id):
|
||||
"""
|
||||
Print equivalent of Mesh Information for a face
|
||||
"""
|
||||
elem_type = mesh.GetElementGeomType(elem_id)
|
||||
|
||||
conn = mesh.GetElemNodes(elem_id)
|
||||
|
||||
nb_nodes = len(conn)
|
||||
|
||||
position = mesh.GetElementPosition(elem_id)
|
||||
pos = f"{position.shapeType} #{position.shapeID}"
|
||||
|
||||
grav_center = mesh.BaryCenter(elem_id)
|
||||
|
||||
normal = mesh.GetFaceNormal(elem_id, normalized=True)
|
||||
|
||||
aspect_ratio = mesh.GetAspectRatio(elem_id)
|
||||
#aspect_ratio = mesh.FunctorValue(SMESH.FT_AspectRatio, elem_id, isElem=True)
|
||||
|
||||
warping = mesh.GetWarping(elem_id)
|
||||
#warping = mesh.FunctorValue(SMESH.FT_Warping, elem_id, isElem=True)
|
||||
|
||||
min_angle = mesh.GetMinimumAngle(elem_id)
|
||||
#min_angle = mesh.FunctorValue(SMESH.FT_MinimumAngle, elem_id, isElem=True)
|
||||
|
||||
taper = mesh.GetTaper(elem_id)
|
||||
#taper = mesh.FunctorValue(SMESH.FT_Taper, elem_id, isElem=True)
|
||||
|
||||
skew = mesh.GetSkew(elem_id)
|
||||
#skew = mesh.FunctorValue(SMESH.FT_Skew, elem_id, isElem=True)
|
||||
|
||||
area = mesh.GetArea(elem_id)
|
||||
#area = mesh.FunctorValue(SMESH.FT_Area, elem_id, isElem=True)
|
||||
|
||||
diameter = mesh.GetMaxElementLength(elem_id)
|
||||
#diameter = mesh.FunctorValue(SMESH.FT_MaxElementLength2D, elem_id, isElem=True)
|
||||
|
||||
min_length = mesh.FunctorValue(SMESH.FT_Length2D, elem_id, isElem=True)
|
||||
|
||||
string = f"""
|
||||
Id: {elem_id}
|
||||
Type: {elem_type}
|
||||
Nb Nodes: {nb_nodes}
|
||||
Connectivity: {conn}
|
||||
Position: {pos}
|
||||
Gravity center:
|
||||
- X: {grav_center[0]}
|
||||
- Y: {grav_center[1]}
|
||||
- Z: {grav_center[2]}
|
||||
Normal:
|
||||
- X: {normal[0]}
|
||||
- Y: {normal[1]}
|
||||
- Z: {normal[2]}
|
||||
Quality:
|
||||
- Aspect Ratio: {aspect_ratio}
|
||||
- Warping: {warping}
|
||||
- Minimum Angle: {min_angle}
|
||||
- Taper: {taper}
|
||||
- Skew: {skew}
|
||||
- Area: {area}
|
||||
- Element Diameter 2D: {diameter}
|
||||
- Minimum Edge Length: {min_length}
|
||||
"""
|
||||
print(string)
|
||||
|
||||
def volume_info(mesh, elem_id):
|
||||
"""
|
||||
Print equivalent of Mesh Information for a volume
|
||||
"""
|
||||
elem_type = mesh.GetElementGeomType(elem_id)
|
||||
|
||||
if elem_type in [SMESH.Entity_Polyhedra, SMESH.Entity_Quad_Polyhedra]:
|
||||
iface = 1
|
||||
face_conn = [12]
|
||||
conn = []
|
||||
while face_conn != []:
|
||||
face_conn = mesh.GetElemFaceNodes(elem_id, iface)
|
||||
iface += 1
|
||||
conn.append(face_conn)
|
||||
nb_nodes = len(mesh.GetElemNodes(elem_id))
|
||||
else:
|
||||
conn = mesh.GetElemNodes(elem_id)
|
||||
nb_nodes = len(conn)
|
||||
|
||||
|
||||
position = mesh.GetElementPosition(elem_id)
|
||||
pos = f"{position.shapeType} #{position.shapeID}"
|
||||
|
||||
grav_center = mesh.BaryCenter(elem_id)
|
||||
|
||||
aspect_ratio = mesh.GetAspectRatio(elem_id)
|
||||
#aspect_ratio = mesh.FunctorValue(SMESH.FT_AspectRatio3D, elem_id, isElem=True)
|
||||
|
||||
volume = mesh.GetVolume(elem_id)
|
||||
#volume = mesh.FunctorValue(SMESH.FT_Volume3D, elem_id, isElem=True)
|
||||
|
||||
jacob = mesh.GetScaledJacobian(elem_id)
|
||||
#jacob = mesh.FunctorValue(SMESH.FT_ScaledJacobian, elem_id, isElem=True)
|
||||
|
||||
diameter = mesh.GetMaxElementLength(elem_id)
|
||||
#diameter = mesh.FunctorValue(SMESH.FT_MaxElementLength3D, elem_id, isElem=True)
|
||||
|
||||
min_length = mesh.FunctorValue(SMESH.FT_Length3D, elem_id, isElem=True)
|
||||
|
||||
string = f"""
|
||||
Id: {elem_id}
|
||||
Type: {elem_type}
|
||||
Nb Nodes: {nb_nodes}
|
||||
Connectivity: {conn}
|
||||
Position: {pos}
|
||||
Gravity center:
|
||||
- X: {grav_center[0]}
|
||||
- Y: {grav_center[1]}
|
||||
- Z: {grav_center[2]}
|
||||
Quality:
|
||||
- Aspect Ratio 3D: {aspect_ratio}
|
||||
- Volume: {volume}
|
||||
- Scaled Jacobian: {jacob}
|
||||
- Element Diameter 3D: {diameter}
|
||||
- Minimum Edge Length: {min_length}
|
||||
"""
|
||||
print(string)
|
||||
|
||||
def node_info(mesh, node_id):
|
||||
|
||||
coord = mesh.GetNodeXYZ(node_id)
|
||||
|
||||
conn_edge = mesh.GetNodeInverseElements(node_id, SMESH.EDGE)
|
||||
conn_face = mesh.GetNodeInverseElements(node_id, SMESH.FACE)
|
||||
conn_vol = mesh.GetNodeInverseElements(node_id, SMESH.VOLUME)
|
||||
|
||||
position = mesh.GetNodePosition(node_id)
|
||||
pos = f"{position.shapeType} #{position.shapeID}"
|
||||
|
||||
vec = [None, None]
|
||||
vec[0:len(position.params)] = position.params
|
||||
|
||||
string = f"""
|
||||
Id: {node_id}
|
||||
Coordinates:
|
||||
- X: {coord[0]}
|
||||
- Y: {coord[1]}
|
||||
- Z: {coord[2]}
|
||||
Connectivity
|
||||
- Edges: {conn_edge}
|
||||
- Faces: {conn_face}
|
||||
- Volumes: {conn_vol}
|
||||
Position: {pos}
|
||||
- U: {vec[0]}
|
||||
- V: {vec[1]}
|
||||
"""
|
||||
print(string)
|
||||
|
||||
###
|
||||
# Volume
|
||||
##
|
||||
|
||||
# Tetrahedron
|
||||
volume_info(Mesh_tetra, 3000)
|
||||
# Hexahedron
|
||||
volume_info(Mesh_hexa, 3000)
|
||||
# Polyhedron
|
||||
volume_info(Mesh_poly, 3000)
|
||||
# Prism
|
||||
volume_info(Mesh_prism, 1400)
|
||||
# Pyramids
|
||||
volume_info(Mesh_pyramids, 8176)
|
||||
# Quadratic tetra
|
||||
volume_info(Mesh_quadratic, 1180)
|
||||
|
||||
###
|
||||
# Face
|
||||
##
|
||||
|
||||
## Triangle
|
||||
face_info(Mesh_tetra, 147)
|
||||
#Quadrangle
|
||||
face_info(Mesh_hexa, 1464)
|
||||
# Polygon
|
||||
face_info(Mesh_poly, 771)
|
||||
# Quadratic triangle
|
||||
face_info(Mesh_quadratic, 138)
|
||||
|
||||
|
||||
###
|
||||
# Node
|
||||
###
|
||||
# U & V
|
||||
node_info(Mesh_tetra, 152)
|
||||
# U
|
||||
node_info(Mesh_tetra, 32)
|
||||
# None
|
||||
node_info(Mesh_tetra, 2)
|
||||
@ -8,15 +8,15 @@ The user can obtain information about the selected mesh object (mesh, sub-mesh o
|
||||
|
||||
.. |img| image:: ../images/image49.png
|
||||
|
||||
To view the **Mesh Information**, select your mesh, sub-mesh or group in the **Object Browser** and invoke **Mesh Information** item from the **Mesh** menu or from the context menu, or click *"Mesh Information"* button |img| in the toolbar.
|
||||
To view the **Mesh Information**, select your mesh, sub-mesh or group in the **Object Browser** and invoke **Mesh Information** item from the **Mesh** menu or from the context menu, or click *"Mesh Information"* button |img| in the toolbar.
|
||||
|
||||
|
||||
The **Mesh Information** dialog box provides three tab pages:
|
||||
|
||||
* :ref:`Base Info <advanced_mesh_infos_anchor>` - to show base and quantitative information about the selected mesh object.
|
||||
* :ref:`Element Info <mesh_element_info_anchor>` - to show detailed information about the selected mesh nodes or elements.
|
||||
* :ref:`Additional Info <mesh_addition_info_anchor>` - to show additional information available for the selected mesh, sub-mesh or group object.
|
||||
* :ref:`Quality Info <mesh_quality_info_anchor>` - to show overall quality information about the selected mesh, sub-mesh or group object.
|
||||
* :ref:`Additional Info <mesh_addition_info_anchor>` - to show additional information available for the selected mesh, sub-mesh or group object.
|
||||
* :ref:`Quality Info <mesh_quality_info_anchor>` - to show overall quality information about the selected mesh, sub-mesh or group object.
|
||||
|
||||
.. _dump_mesh_infos:
|
||||
|
||||
@ -68,7 +68,7 @@ The **Element Info** tab page of the dialog box gives detailed information about
|
||||
* Position on a shape (for meshes built on a geometry);
|
||||
* Groups information (names of groups the element belongs to).
|
||||
|
||||
.. image:: ../images/eleminfo2.png
|
||||
.. image:: ../images/eleminfo2.png
|
||||
:align: center
|
||||
|
||||
.. centered::
|
||||
@ -180,7 +180,4 @@ The **Quality Info** tab provides overall information about mesh quality control
|
||||
.. note::
|
||||
The plot functionality is available only if the GUI module is built with Plot 2D Viewer (option SALOME_USE_PLOT2DVIEWER is ON when building GUI module).
|
||||
|
||||
See the :ref:`TUI Example <tui_viewing_mesh_infos>`.
|
||||
|
||||
|
||||
|
||||
See the :ref:`TUI Example <tui_viewing_mesh_infos>` for basic mesh information and :ref:`TUI Example <tui_node_element_mesh_infos>`.
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
|
||||
.. _tui_viewing_meshes_page:
|
||||
.. _tui_viewing_meshes_page:
|
||||
|
||||
**************
|
||||
Viewing Meshes
|
||||
@ -7,16 +7,25 @@ Viewing Meshes
|
||||
|
||||
.. _tui_viewing_mesh_infos:
|
||||
|
||||
Viewing Mesh Infos
|
||||
##################
|
||||
Viewing Basic Mesh Infos
|
||||
########################
|
||||
|
||||
.. literalinclude:: ../../examples/viewing_meshes_ex01.py
|
||||
:language: python
|
||||
|
||||
:download:`Download this script <../../examples/viewing_meshes_ex01.py>`
|
||||
|
||||
.. _tui_find_element_by_point:
|
||||
.. _tui_node_element_mesh_infos:
|
||||
|
||||
Viewing node element Mesh Infos
|
||||
###############################
|
||||
|
||||
.. literalinclude:: ../../examples/viewing_meshes_ex03.py
|
||||
:language: python
|
||||
|
||||
:download:`Download this script <../../examples/viewing_meshes_ex03.py>`
|
||||
|
||||
.. _tui_find_element_by_point:
|
||||
|
||||
Find Element by Point
|
||||
#####################
|
||||
|
||||
Loading…
Reference in New Issue
Block a user