smesh/src/Tools/blocFissure/gmu/mailleAretesEtJonction.py

# -*- coding: utf-8 -*-
# Copyright (C) 2014-2021  EDF R&D
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
"""edges de bord, faces défaut à respecter"""

import logging

import SMESH

from .geomsmesh import geompy
from .geomsmesh import smesh
from .geomsmesh import geomPublish

from . import initLog
from .putName import putName

def mailleAretesEtJonction (internalBoundary, aretesVivesCoupees, lgAretesVives, \
                            nro_cas=None):
  """edges de bord, faces défaut à respecter"""
  logging.info('start')
  logging.info("Pour le cas n°%d", nro_cas)

  _ = smesh.CreateFilterManager()
  _, internalBoundary, _NoneGroup = internalBoundary.MakeBoundaryElements( SMESH.BND_1DFROM2D, '', '', 0, [  ])
  criteres = list()
  unCritere = smesh.GetCriterion(SMESH.EDGE,SMESH.FT_FreeBorders,SMESH.FT_Undefined,0)
  criteres.append(unCritere)
  filtre = smesh.GetFilterFromCriteria(criteres)
  bordsLibres = internalBoundary.MakeGroupByFilter( 'bords', filtre )
  putName(bordsLibres, 'bordsLibres', i_pref=nro_cas)

  # --- pour aider l'algo hexa-tetra à ne pas mettre de pyramides à l'extérieur des volumes repliés sur eux-mêmes
  #     on désigne les faces de peau en quadrangles par le groupe "skinFaces"

  skinFaces = internalBoundary.CreateEmptyGroup( SMESH.FACE, 'skinFaces' )
  _ = skinFaces.AddFrom( internalBoundary.GetMesh() )

  # --- maillage des éventuelles arêtes vives entre faces reconstruites

  grpAretesVives = None
  if aretesVivesCoupees:

    aretesVivesC = geompy.MakeCompound(aretesVivesCoupees)
    geomPublish(initLog.always, aretesVivesC, "aretesVives", nro_cas)
    meshAretesVives = smesh.Mesh(aretesVivesC)
    algo1d = meshAretesVives.Segment()
    hypo1d = algo1d.LocalLength(lgAretesVives,[],1e-07)
    putName(algo1d.GetSubMesh(), "aretesVives", i_pref=nro_cas)
    putName(algo1d, "algo1d_aretesVives", i_pref=nro_cas)
    putName(hypo1d, "hypo1d_aretesVives", i_pref=nro_cas)

    is_done = meshAretesVives.Compute()
    text = "meshAretesVives.Compute"
    if is_done:
      logging.info(text+" OK")
    else:
      text = "Erreur au calcul du maillage.\n" + text
      logging.info(text)
      raise Exception(text)

    grpAretesVives = meshAretesVives.CreateEmptyGroup( SMESH.EDGE, 'grpAretesVives' )
    _ = grpAretesVives.AddFrom( meshAretesVives.GetMesh() )

  return (internalBoundary, bordsLibres, grpAretesVives)