mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
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140 lines
3.6 KiB
Plaintext
140 lines
3.6 KiB
Plaintext
/*!
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\page tui_viewing_meshes_page Viewing Meshes
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<br>
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\anchor tui_viewing_mesh_infos
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<h2>Viewing Mesh Infos</h2>
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\code
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import geompy
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import smesh
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import SMESH
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# create a box
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box = geompy.MakeBox(0., 0., 0., 20., 20., 20.)
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geompy.addToStudy(box, "box")
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[Face_1,Face_2,Face_3,Face_4,Face_5,Face_5] = geompy.SubShapeAll(box, geompy.ShapeType["FACE"])
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# create a mesh
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tetra = smesh.Mesh(box, "MeshBox")
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algo1D = tetra.Segment()
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algo1D.NumberOfSegments(3)
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algo2D = tetra.Triangle()
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algo2D.MaxElementArea(10.)
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algo3D = tetra.Tetrahedron()
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algo3D.MaxElementVolume(900.)
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# Creation of SubMesh
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Regular_1D_1_1 = tetra.Segment(geom=Face_1)
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Nb_Segments_1 = Regular_1D_1_1.NumberOfSegments(5)
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Nb_Segments_1.SetDistrType( 0 )
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Quadrangle_2D = tetra.Quadrangle(geom=Face_1)
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isDone = tetra.Compute()
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submesh = Regular_1D_1_1.GetSubMesh()
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# compute the mesh
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tetra.Compute()
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# Creation of group
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group = tetra.CreateEmptyGroup( SMESH.FACE, 'Group' )
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nbAdd = group.Add( [ 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76 ] )
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# Print information about the mesh
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print "Information about mesh:"
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print "Number of nodes : ", tetra.NbNodes()
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print "Number of edges : ", tetra.NbEdges()
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print "Number of faces : ", tetra.NbFaces()
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print " triangles : ", tetra.NbTriangles()
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print " quadrangles : ", tetra.NbQuadrangles()
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print " polygons : ", tetra.NbPolygons()
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print "Number of volumes : ", tetra.NbVolumes()
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print " tetrahedrons: ", tetra.NbTetras()
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print " hexahedrons : ", tetra.NbHexas()
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print " prisms : ", tetra.NbPrisms()
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print " pyramids : ", tetra.NbPyramids()
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print " polyhedrons : ", tetra.NbPolyhedrons()
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# Get Information About Mesh by GetMeshInfo
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print "\nInformation about mesh by GetMeshInfo:"
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info = smesh.GetMeshInfo(tetra)
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keys = info.keys(); keys.sort()
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for i in keys:
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print " %s : %d" % ( i, info[i] )
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pass
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# Get Information About Group by GetMeshInfo
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print "\nInformation about group by GetMeshInfo:"
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info = smesh.GetMeshInfo(group)
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keys = info.keys(); keys.sort()
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for i in keys:
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print " %s : %d" % ( i, info[i] )
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pass
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# Get Information About SubMesh by GetMeshInfo
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print "\nInformation about Submesh by GetMeshInfo:"
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info = smesh.GetMeshInfo(submesh)
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keys = info.keys(); keys.sort()
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for i in keys:
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print " %s : %d" % ( i, info[i] )
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pass
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\endcode
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<br>
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\anchor tui_find_element_by_point
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<h2>Find Element by Point</h2>
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\code
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import geompy
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import smesh
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import SMESH
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# Create a geometry to mesh
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box = geompy.MakeBoxDXDYDZ(100,100,100)
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# Create a mesh
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mesh = Mesh(box,"Mesh")
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mesh.AutomaticHexahedralization()
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mesh.Compute()
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# Create a point
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x,y,z = 0, 0, 1
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# Find all elements (except 0D ones) located at the point
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all_elems_except_0D = mesh.FindElementsByPoint(x,y,z)
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assert( len(all_elems_except_0D) == 4)
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# Find nodes at the point
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nodes = mesh.FindElementsByPoint(x,y,z, SMESH.NODE )
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assert( len(nodes) == 0)
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assert( len( mesh.FindElementsByPoint(x,y,0, SMESH.NODE)) == 1)
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# Find an edge at the point
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edges = mesh.FindElementsByPoint(x,y,z, SMESH.EDGE )
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assert( len(edges) == 1)
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# Find faces at the point
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edges = mesh.FindElementsByPoint(x,y,z, SMESH.FACE )
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assert( len(edges) == 2)
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# Find a volume at the point
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vols = mesh.FindElementsByPoint(x,y,z, SMESH.VOLUME )
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assert( len(vols) == 1)
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# Find 0D elements at the point
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elems0d = mesh.FindElementsByPoint(x,y,z, SMESH.ELEM0D )
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assert( len(elems0d) == 0)
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# Find edges within a group
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group1D = mesh.MakeGroupByIds("1D", SMESH.EDGE, [1,2] )
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edges = mesh.FindElementsByPoint(x,y,z, SMESH.EDGE, group1D )
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\endcode
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*/
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