--- /dev/null
+# -*- coding: iso-8859-1 -*-
+# Copyright (C) 2007-2022 CEA/DEN, EDF R&D, OPEN CASCADE
+#
+# Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+#
+# 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
+#
+import salome
+salome.salome_init()
+import GEOM
+from salome.geom import geomBuilder
+geompy = geomBuilder.New()
+
+import SMESH, SALOMEDS
+from salome.smesh import smeshBuilder
+smesh = smeshBuilder.New()
+
+# -----------------------------------------------------------------------------
+
+p0 = geompy.MakeVertex(0., 0., 0.)
+px = geompy.MakeVertex(100., 0., 0.)
+py = geompy.MakeVertex(0., 100., 0.)
+pz = geompy.MakeVertex(0., 0., 100.)
+vx = geompy.MakeVector(p0, px)
+vy = geompy.MakeVector(p0, py)
+vz = geompy.MakeVector(p0, pz)
+
+sphereExt = geompy.MakeSphere( 0., 0., 0., 400.)
+sphereInt = geompy.MakeSphere( 0.,-50., 0., 350.)
+sphereA = geompy.MakeSphere( -400., 50., 50., 400.)
+sphereB = geompy.MakeSphere( 350.,-50.,-50., 350.)
+ptcyle = geompy.MakeVertex(0., -300., -450.)
+cylindre = geompy.MakeCylinder(ptcyle,vz,500.,900.)
+
+vol1=geompy.MakeCut(sphereExt,sphereA)
+vol2=geompy.MakeCut(vol1,sphereB)
+vol3=geompy.MakeCut(vol2,cylindre)
+blob=geompy.MakeCut(vol3,sphereInt)
+blob=geompy.RemoveExtraEdges(blob)
+
+idblob = geompy.addToStudy(blob,"blob")
+
+edgeGroups = geompy.Propagate( blob )
+assert len( edgeGroups ) == 3
+
+salome.sg.updateObjBrowser()
+
+# -----------------------------------------------------------------------------
+
+print("-------------------------- mesh")
+smesh.UpdateStudy()
+
+# ---- define a mesh on the geom shape 'blob'
+mesh=smesh.Mesh(blob, "MeshBlob")
+
+# ---- assign global hypothesis and algorithms to mesh
+print("-------------------------- add hypothesis to mesh")
+algo1 = mesh.Segment()
+algo2 = mesh.Quadrangle()
+algo3 = mesh.Hexahedron()
+
+# ---- assign local hypothesis and algorithms to mesh
+for edges in edgeGroups: # loop on groups of logically parallel edges
+ length = geompy.BasicProperties( edges )[0]
+ if length < 500: nbSeg = 4
+ elif length < 2000: nbSeg = 10
+ else: nbSeg = 15
+ algo = mesh.Segment( edges )
+ algo.NumberOfSegments( nbSeg )
+ pass
+
+# ---- compute mesh
+print("-------------------------- compute mesh")
+ok = mesh.Compute()
+if ok:
+ print("Information about the Mesh:")
+ print("Number of nodes : ", mesh.NbNodes())
+ print("Number of edges : ", mesh.NbEdges())
+ print("Number of faces : ", mesh.NbFaces())
+ print("Number of quadrangles : ", mesh.NbQuadrangles())
+ print("Number of volumes : ", mesh.NbVolumes())
+ print("Number of hexahedrons : ", mesh.NbHexas())
+else:
+ print("problem when Computing the mesh")
+
+salome.sg.updateObjBrowser()
