mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-09-22 10:42:52 +05:00
50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
# Free Nodes
|
|
|
|
import salome
|
|
salome.salome_init_without_session()
|
|
|
|
import SMESH
|
|
from salome.geom import geomBuilder
|
|
from salome.smesh import smeshBuilder
|
|
|
|
geom_builder = geomBuilder.New()
|
|
smesh_builder = smeshBuilder.New()
|
|
|
|
# create box
|
|
box = geom_builder.MakeBox(0., 0., 0., 100., 200., 300.)
|
|
idbox = geom_builder.addToStudy(box, "box")
|
|
|
|
# create a mesh
|
|
mesh = smesh_builder.Mesh(box, "Mesh_free_nodes")
|
|
mesh.Segment().NumberOfSegments(10)
|
|
mesh.Triangle().MaxElementArea(150.)
|
|
if not mesh.Compute(): raise Exception("Error when computing Mesh")
|
|
|
|
# Remove some elements to obtain free nodes
|
|
# Criterion : AREA < 80.
|
|
area_margin = 80.
|
|
|
|
aFilter = smesh_builder.GetFilter(SMESH.FACE, SMESH.FT_Area, SMESH.FT_LessThan, area_margin)
|
|
|
|
anIds = mesh.GetIdsFromFilter(aFilter)
|
|
|
|
mesh.RemoveElements(anIds)
|
|
|
|
# criterion : free nodes
|
|
aFilter = smesh_builder.GetFilter(SMESH.NODE, SMESH.FT_FreeNodes)
|
|
anNodeIds = mesh.GetIdsFromFilter(aFilter)
|
|
|
|
# create a group
|
|
aGroup = mesh.CreateEmptyGroup(SMESH.NODE, "Free_nodes")
|
|
aGroup.Add(anNodeIds)
|
|
|
|
# print the result
|
|
print("Criterion: Free nodes Nb = ", len(anNodeIds))
|
|
j = 1
|
|
for i in range(len(anNodeIds)):
|
|
if j > 20: j = 1; print("")
|
|
print(anNodeIds[i], end=' ')
|
|
j = j + 1
|
|
pass
|
|
print("")
|