doc/examples/quality_controls_ex03.py

   1 # Length 1D
   2
   3 import salome
   4 salome.salome_init_without_session()
   5
   6 import SMESH
   7 from salome.geom import geomBuilder
   8 from salome.smesh import smeshBuilder
   9
  10 geom_builder = geomBuilder.New()
  11 smesh_builder = smeshBuilder.New()
  12
  13 # create open shell: a box without one plane
  14 box = geom_builder.MakeBox(0., 0., 0., 20., 20., 15.)
  15 FaceList = geom_builder.SubShapeAll(box, geom_builder.ShapeType["FACE"])
  16 FaceList.remove(FaceList[5])
  17 box = geom_builder.MakeShell(FaceList)
  18 idbox = geom_builder.addToStudy(box, "box")
  19
  20 # create a mesh
  21 mesh = smesh_builder.Mesh(box, "Mesh_Length_1D")
  22 algo = mesh.Segment()
  23 algo.NumberOfSegments(5)
  24 algo = mesh.Triangle()
  25 algo.MaxElementArea(20.)
  26 mesh.Compute()
  27
  28 # Criterion : Length > 3.
  29 length_margin = 3.
  30
  31 aFilter = smesh_builder.GetFilter(SMESH.EDGE, SMESH.FT_Length, SMESH.FT_MoreThan, length_margin)
  32 anIds = mesh.GetIdsFromFilter(aFilter)
  33
  34 # print the result
  35 print("Criterion: Edges length > ", length_margin, " Nb = ", len(anIds))
  36 j = 1
  37 for i in range(len(anIds)):
  38   if j > 20: j = 1; print("")
  39   print(anIds[i], end=' ')
  40   j = j + 1
  41   pass
  42 print("")
  43
  44 # create a group
  45 aGroup = mesh.GetMesh().CreateGroup(SMESH.EDGE, "Edges with length > " + repr(length_margin))
  46 aGroup.Add(anIds)