doc/examples/quality_controls_ex11.py

   1 # Length 2D
   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_2D")
  22 algo = mesh.Segment()
  23 algo.NumberOfSegments(5)
  24 algo = mesh.Triangle()
  25 algo.MaxElementArea(20.)
  26 mesh.Compute()
  27
  28 # Criterion : Length 2D > 5.7
  29 length_margin = 5.7
  30
  31 aFilter = smesh_builder.GetFilter(SMESH.FACE, SMESH.FT_Length2D, SMESH.FT_MoreThan, length_margin)
  32
  33 anIds = mesh.GetIdsFromFilter(aFilter)
  34
  35 # print the result
  36 print("Criterion: Edges length 2D > ", length_margin, " Nb = ", len(anIds))
  37 j = 1
  38 for i in range(len(anIds)):
  39   if j > 20: j = 1; print("")
  40   print(anIds[i], end=' ')
  41   j = j + 1
  42   pass
  43 print("")
  44
  45 # create a group
  46 aGroup = mesh.CreateEmptyGroup(SMESH.FACE, "Faces with length 2D > " + repr(length_margin))
  47 aGroup.Add(anIds)