# Skew

import SMESH_mechanic
import SMESH

smesh  = SMESH_mechanic.smesh
mesh   = SMESH_mechanic.mesh
salome = SMESH_mechanic.salome

# Criterion : Skew > 38.
skew_margin = 38.

aFilter = smesh.GetFilter(SMESH.FACE, SMESH.FT_Skew, SMESH.FT_MoreThan, skew_margin)

anIds = mesh.GetIdsFromFilter(aFilter)

# print the result
print("Criterion: Skew > ", skew_margin, " Nb = ", len(anIds))
j = 1
for i in range(len(anIds)):
  if j > 20: j = 1; print("")
  print(anIds[i], end=' ')
  j = j + 1
  pass
print("")

# create a group
aGroup = mesh.CreateEmptyGroup(SMESH.FACE, "Skew > " + repr(skew_margin))
aGroup.Add(anIds)

salome.sg.updateObjBrowser(True)