smesh/doc/salome/examples/creating_meshes_ex04.py
eap a6bce4daba Fix regression of SALOME_TESTS/Grids/smesh/3D_submesh_00/A6
Fix SMESH_subMesh::cleanDependsOn()

+ minor improvements in SMESH_submesh and sample scripts
2016-03-17 15:30:10 +03:00

61 lines
1.5 KiB
Python

# Editing of a mesh
import salome
salome.salome_init()
import GEOM
from salome.geom import geomBuilder
geompy = geomBuilder.New(salome.myStudy)
import SMESH, SALOMEDS
from salome.smesh import smeshBuilder
smesh = smeshBuilder.New(salome.myStudy)
def PrintMeshInfo(theMesh):
aMesh = theMesh.GetMesh()
print "Information about mesh:"
print "Number of nodes : ", aMesh.NbNodes()
print "Number of edges : ", aMesh.NbEdges()
print "Number of faces : ", aMesh.NbFaces()
print "Number of volumes : ", aMesh.NbVolumes()
pass
# create a box
box = geompy.MakeBox(0., 0., 0., 20., 20., 20.)
geompy.addToStudy(box, "box")
# select one edge of the box for definition of a local hypothesis
subShapeList = geompy.SubShapeAll(box, geompy.ShapeType["EDGE"])
edge = subShapeList[0]
name = geompy.SubShapeName(edge, box)
geompy.addToStudyInFather(box, edge, name)
# create a mesh
tria = smesh.Mesh(box, "Mesh 2D")
algo1D = tria.Segment()
hyp1 = algo1D.NumberOfSegments(3)
algo2D = tria.Triangle()
hyp2 = algo2D.MaxElementArea(10.)
# create a sub-mesh
algo_local = tria.Segment(edge)
hyp3 = algo_local.Arithmetic1D(1, 6)
hyp4 = algo_local.Propagation()
# compute the mesh
tria.Compute()
PrintMeshInfo(tria)
# remove a local hypothesis
tria.RemoveHypothesis(hyp4, edge)
# compute the mesh
tria.Compute()
PrintMeshInfo(tria)
# change the value of the 2D hypothesis
hyp2.SetMaxElementArea(2.)
# compute the mesh
tria.Compute()
PrintMeshInfo(tria)