mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-11-11 16:19:16 +05:00
140 lines
3.6 KiB
Python
140 lines
3.6 KiB
Python
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#
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# Triangulation of the skin of the geometry from a Brep representing a plane
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# This geometry is from EADS
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# Hypothesis and algorithms for the mesh generation are global
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#
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import salome
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from salome import sg
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import geompy
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import SMESH
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import smeshpy
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geom = geompy.geom
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myBuilder = geompy.myBuilder
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ShapeTypeShell = 3
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ShapeTypeFace = 4
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ShapeTypeEdge = 6
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import os
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# import a BRep
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#before running this script, please be sure about
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#the path the file fileName
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filePath=os.environ["SMESH_ROOT_DIR"]
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filePath=filePath+"/share/salome/resources/"
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filename = "flight_solid.brep"
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filename = filePath + filename
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shape = geompy.ImportBREP(filename)
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idShape = geompy.addToStudy(shape,"flight")
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print "Analysis of the geometry flight :"
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subShellList=geompy.SubShapeAll(shape,ShapeTypeShell)
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subFaceList=geompy.SubShapeAll(shape,ShapeTypeFace)
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subEdgeList=geompy.SubShapeAll(shape,ShapeTypeEdge)
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print "number of Shells in flight : ",len(subShellList)
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print "number of Faces in flight : ",len(subFaceList)
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print "number of Edges in flight : ",len(subEdgeList)
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# ---- launch SMESH
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smeshgui = salome.ImportComponentGUI("SMESH")
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smeshgui.Init(salome.myStudyId)
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gen=smeshpy.smeshpy()
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# ---- create Hypothesis
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print "-------------------------- create Hypothesis"
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print "-------------------------- LocalLength"
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lengthOfSegments = 0.3
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hypothesis=gen.CreateHypothesis("LocalLength")
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hypLength=hypothesis._narrow(SMESH.SMESH_LocalLength)
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hypLength.SetLength(lengthOfSegments)
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hypLengthID = hypLength.GetId()
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print hypLength.GetName()
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print hypLengthID
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print hypLength.GetLength()
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idlen = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypLength) )
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smeshgui.SetName(idlen, "LocalLength")
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print "-------------------------- LengthFromEdges"
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hypothesis=gen.CreateHypothesis("LengthFromEdges")
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hypLengthFromEdge=hypothesis._narrow(SMESH.SMESH_LengthFromEdges)
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hypLengthFromEdgeID = hypLengthFromEdge.GetId()
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print hypLengthFromEdge.GetName()
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print hypLengthFromEdgeID
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idlenfromedge = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypLengthFromEdge) )
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smeshgui.SetName(idlenfromedge, "LengthFromEdge")
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# ---- create Algorithms
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print "-------------------------- create Algorithms"
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print "-------------------------- Regular_1D"
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hypothesis=gen.CreateHypothesis("Regular_1D")
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regular1D = hypothesis._narrow(SMESH.SMESH_Regular_1D)
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regularID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(regular1D) )
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smeshgui.SetName(regularID, "Wire Discretisation")
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print "-------------------------- MEFISTO_2D"
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hypothesis=gen.CreateHypothesis("MEFISTO_2D")
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mefisto2D = hypothesis._narrow(SMESH.SMESH_MEFISTO_2D)
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mefistoID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(mefisto2D) )
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smeshgui.SetName(mefistoID, "MEFISTO_2D")
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# ---- init a Mesh with the shell
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mesh=gen.Init(idShape)
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idmesh = smeshgui.AddNewMesh( salome.orb.object_to_string(mesh) )
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smeshgui.SetName(idmesh, "MeshFlight")
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smeshgui.SetShape(idShape, idmesh)
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# ---- add hypothesis to flight
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print "-------------------------- add hypothesis to flight"
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ret=mesh.AddHypothesis(shape,regular1D)
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print ret
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ret=mesh.AddHypothesis(shape,hypLength)
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print ret
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ret=mesh.AddHypothesis(shape,mefisto2D)
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print ret
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ret=mesh.AddHypothesis(shape,hypLengthFromEdge)
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print ret
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smeshgui.SetAlgorithms( idmesh, regularID)
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smeshgui.SetHypothesis( idmesh, idlen )
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smeshgui.SetAlgorithms( idmesh, mefistoID )
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smeshgui.SetHypothesis( idmesh, idlenfromedge)
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sg.updateObjBrowser(1)
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print "-------------------------- compute the skin flight"
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ret=gen.Compute(mesh,idShape)
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print ret
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if ret != 0:
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log=mesh.GetLog(0) # no erase trace
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for linelog in log:
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print linelog
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else:
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print "probleme when computing the mesh"
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sg.updateObjBrowser(1)
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