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https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-09-22 10:42:52 +05:00
50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
# Moving Nodes
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import salome
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salome.salome_init_without_session()
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from salome.geom import geomBuilder
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from salome.smesh import smeshBuilder
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geom_builder = geomBuilder.New()
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smesh_builder = smeshBuilder.New()
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box = geom_builder.MakeBoxDXDYDZ(200, 200, 200)
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mesh = smesh_builder.Mesh( box )
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mesh.Segment().AutomaticLength(0.1)
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mesh.Quadrangle()
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if not mesh.Compute(): raise Exception("Error when computing Mesh")
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# find node at (0,0,0) which is located on a geom vertex
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node000 = None
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for vId in geom_builder.SubShapeAllIDs( box, geom_builder.ShapeType["VERTEX"]):
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if node000: break
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nodeIds = mesh.GetSubMeshNodesId( vId, True )
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for node in nodeIds:
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xyz = mesh.GetNodeXYZ( node )
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if xyz[0] == 0 and xyz[1] == 0 and xyz[2] == 0 :
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node000 = node
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pass
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pass
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pass
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if not node000:
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raise Exception("node000 not found")
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# find node000 using a dedicated function
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n = mesh.FindNodeClosestTo( -1,-1,-1 )
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if not n == node000:
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raise Exception("FindNodeClosestTo() returns " + str( n ) + " != " + str( node000 ))
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# move node000 to a new location
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x,y,z = -10, -10, -10
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n = mesh.MoveNode( n,x,y,z )
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if not n:
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raise Exception("MoveNode() returns " + n)
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# check the coordinates of the node000
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xyz = mesh.GetNodeXYZ( node000 )
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if not ( xyz[0] == x and xyz[1] == y and xyz[2] == z) :
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raise Exception("Wrong coordinates: " + str( xyz ) + " != " + str( [x,y,z] ))
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