doc/salome/examples/quality_controls_ex11.py

   1 # Length 2D
   2
   3
   4 import salome
   5 salome.salome_init()
   6 import GEOM
   7 from salome.geom import geomBuilder
   8 geompy = geomBuilder.New()
   9
  10 import SMESH, SALOMEDS
  11 from salome.smesh import smeshBuilder
  12 smesh =  smeshBuilder.New()
  13
  14 # create open shell: a box without one plane
  15 box = geompy.MakeBox(0., 0., 0., 20., 20., 15.)
  16 FaceList = geompy.SubShapeAll(box, geompy.ShapeType["FACE"])
  17 FaceList.remove(FaceList[5])
  18 box = geompy.MakeShell(FaceList)
  19 idbox = geompy.addToStudy(box, "box")
  20
  21 # create a mesh
  22 mesh = smesh.Mesh(box, "Mesh_Length_2D")
  23 algo = mesh.Segment()
  24 algo.NumberOfSegments(5)
  25 algo = mesh.Triangle()
  26 algo.MaxElementArea(20.)
  27 mesh.Compute()
  28
  29 # Criterion : Length 2D > 5.7
  30 length_margin = 5.7
  31
  32 aFilter = smesh.GetFilter(SMESH.FACE, SMESH.FT_Length2D, SMESH.FT_MoreThan, length_margin)
  33
  34 anIds = mesh.GetIdsFromFilter(aFilter)
  35
  36 # print the result
  37 print("Criterion: Edges length 2D > ", length_margin, " Nb = ", len(anIds))
  38 j = 1
  39 for i in range(len(anIds)):
  40   if j > 20: j = 1; print("")
  41   print(anIds[i], end=' ')
  42   j = j + 1
  43   pass
  44 print("")
  45
  46 # create a group
  47 aGroup = mesh.CreateEmptyGroup(SMESH.FACE, "Faces with length 2D > " + repr(length_margin))
  48 aGroup.Add(anIds)
  49
  50 salome.sg.updateObjBrowser()