--- /dev/null
+# Copyright (C) 2005 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.
+#
+# 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/
+#
+#
+# Quadrangulation of the geometry generated by the Python script
+# SMESH_mechanic.py
+# The new Netgen algorithm is used that discretizes baoundaries itself
+#
+
+import salome
+import geompy
+
+geom = geompy.geom
+
+import StdMeshers
+import NETGENPlugin
+import smesh
+
+# ---------------------------- GEOM --------------------------------------
+
+# ---- define contigous arcs and segment to define a closed wire
+p1 = geompy.MakeVertex( 100.0, 0.0, 0.0 )
+p2 = geompy.MakeVertex( 50.0, 50.0, 0.0 )
+p3 = geompy.MakeVertex( 100.0, 100.0, 0.0 )
+arc1 = geompy.MakeArc( p1, p2, p3 )
+
+p4 = geompy.MakeVertex( 170.0, 100.0, 0.0 )
+seg1 = geompy.MakeVector( p3, p4 )
+
+p5 = geompy.MakeVertex( 200.0, 70.0, 0.0 )
+p6 = geompy.MakeVertex( 170.0, 40.0, 0.0 )
+arc2 = geompy.MakeArc( p4, p5, p6 )
+
+p7 = geompy.MakeVertex( 120.0, 30.0, 0.0 )
+arc3 = geompy.MakeArc( p6, p7, p1 )
+
+# ---- define a closed wire with arcs and segment
+List1 = []
+List1.append( arc1 )
+List1.append( seg1 )
+List1.append( arc2 )
+List1.append( arc3 )
+
+wire1 = geompy.MakeWire( List1 )
+Id_wire1 = geompy.addToStudy( wire1, "wire1" )
+
+# ---- define a planar face with wire
+WantPlanarFace = 1 #True
+face1 = geompy.MakeFace( wire1, WantPlanarFace )
+Id_face1 = geompy.addToStudy( face1, "face1" )
+
+# ---- create a shape by extrusion
+pO = geompy.MakeVertex( 0.0, 0.0, 0.0 )
+pz = geompy.MakeVertex( 0.0, 0.0, 100.0 )
+vz = geompy.MakeVector( pO, pz )
+
+prism1 = geompy.MakePrismVecH( face1, vz, 100.0 )
+Id_prism1 = geompy.addToStudy( prism1, "prism1")
+
+# ---- create two cylinders
+
+pc1 = geompy.MakeVertex( 90.0, 50.0, -40.0 )
+pc2 = geompy.MakeVertex( 170.0, 70.0, -40.0 )
+radius = 20.0
+height = 180.0
+cyl1 = geompy.MakeCylinder( pc1, vz, radius, height )
+cyl2 = geompy.MakeCylinder( pc2, vz, radius, height )
+
+Id_Cyl1 = geompy.addToStudy( cyl1, "cyl1" )
+Id_Cyl2 = geompy.addToStudy( cyl2, "cyl2" )
+
+# ---- cut with cyl1
+shape = geompy.MakeBoolean( prism1, cyl1, 2 )
+
+# ---- fuse with cyl2 to obtain the final mechanic piece :)
+mechanic = geompy.MakeBoolean( shape, cyl2, 3 )
+Id_mechanic = geompy.addToStudy( mechanic, "mechanic" )
+
+# ---- Analysis of the geometry
+
+print "Analysis of the geometry mechanic :"
+
+subShellList = geompy.SubShapeAll(mechanic,geompy.ShapeType["SHELL"])
+subFaceList = geompy.SubShapeAll(mechanic,geompy.ShapeType["FACE"])
+subEdgeList = geompy.SubShapeAll(mechanic,geompy.ShapeType["EDGE"])
+
+print "number of Shells in mechanic : ",len(subShellList)
+print "number of Faces in mechanic : ",len(subFaceList)
+print "number of Edges in mechanic : ",len(subEdgeList)
+
+### ---------------------------- SMESH --------------------------------------
+
+print "-------------------------- create Mesh, algorithm, hypothesis"
+
+mesh = smesh.Mesh(mechanic, "Mesh_mechanic");
+netgen = mesh.Netgen(0)
+hyp = netgen.Parameters()
+hyp.SetMaxSize( 50 )
+#hyp.SetSecondOrder( 0 )
+hyp.SetFineness( 3 )
+hyp.SetQuadAllowed( 1 )
+#hyp.SetOptimize( 1 )
+
+salome.sg.updateObjBrowser(1)
+
+print "-------------------------- compute mesh"
+ret = mesh.Compute()
+print ret
+if ret != 0:
+ print "Information about the MeshcompShel:"
+ print "Number of nodes : ", mesh.GetMesh().NbNodes()
+ print "Number of edges : ", mesh.GetMesh().NbEdges()
+ print "Number of faces : ", mesh.GetMesh().NbFaces()
+ print "Number of triangles : ", mesh.GetMesh().NbTriangles()
+ print "Number of quadrangles : ", mesh.GetMesh().NbQuadrangles()
+ print "Number of volumes : ", mesh.GetMesh().NbVolumes()
+ print "Number of tetrahedrons : ", mesh.GetMesh().NbTetras()
+
+else:
+ print "problem when computing the mesh"
