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<meta http-equiv="content-type" content="text/html; charset=windows-1252">
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<meta name="generator" content="RoboHelp by eHelp Corporation www.ehelp.com"><style type="text/css">
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}
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@ -89,650 +93,350 @@ if (window.writeIntopicBar)
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</script>
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<h1>Creating Meshes</h1>
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<p>At first see <a href="smesh_py_introduction.htm">Example of 3d mesh generation</a>, using <b>smesh</b> package.
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<p>Other examples of python scripts will be also updated soon to use <b>smesh</b> package instead of direct usage of idl interface.
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<p class="whs1">First of all see <a href="smesh_py_introduction.htm">Example
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of 3d mesh generation</a>, which is an example of good python script style
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for Mesh module. </p>
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<p class="whs1">Other examples of python
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scripts will be also updated soon to use smesh package instead of direct
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usage of idl interface. </p>
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<h3><a name=bookmark>Construction of a Mesh</a></h3>
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<p>Attention! This script was written using old approach, based on direct usage of SMESH idl interface. To be updated for version 3.2.1 to use <b>smesh</b> package.
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<br>
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<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">import
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geompy</span></p>
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<p class="whs1">import salome</p>
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<p class="whs1">import geompy</p>
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<p class="whs1">import StdMeshers</p>
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<p class="whs1">smesh = salome.lcc.FindOrLoadComponent("FactoryServer",
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"SMESH")</p>
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<p class="whs1">smeshgui = salome.ImportComponentGUI("SMESH")</p>
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<p class="whs1">smeshgui.Init(salome.myStudyId);</p>
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<p class="whs2">import smesh</p>
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<p class="whs2"> </p>
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<p class="whs2"># create a box</p>
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<p class="whs3"># create a box</p>
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<p class="whs1">box = geompy.MakeBox(0.,
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<p class="whs2">box = geompy.MakeBox(0.,
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0., 0., 100., 200., 300.)</p>
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<p class="whs2"> </p>
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<p class="whs2"># add box to the study</p>
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<p class="whs1">idbox = geompy.addToStudy(box,
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<p class="whs2">idbox = geompy.addToStudy(box,
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"box")</p>
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<p class="whs2"> </p>
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<p class="whs2"># create a hypothesis</p>
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<p class="whs3"># create a mesh</p>
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<p class="whs1">print "--------------------------
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create Hypothesis"</p>
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<p class="whs1">print "--------------------------
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NumberOfSegments"</p>
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<p class="whs1">numberOfSegments
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= 7</p>
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<p class="whs1">hypNbSeg = smesh.CreateHypothesis("NumberOfSegments",
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"libStdMeshersEngine.so")</p>
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<p class="whs1">hypNbSeg.SetNumberOfSegments(numberOfSegments)</p>
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<p class="whs1">print hypNbSeg.GetName()</p>
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<p class="whs1">print hypNbSeg.GetId()</p>
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<p class="whs1">print hypNbSeg.GetNumberOfSegments()</p>
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<p class="whs1">smeshgui.SetName(salome.ObjectToID(hypNbSeg),
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"NumberOfSegments_10")</p>
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<p class="whs1">print "--------------------------
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MaxElementArea"</p>
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<p class="whs1">maxElementArea =
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800</p>
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<p class="whs1">hypArea = smesh.CreateHypothesis("MaxElementArea",
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"libStdMeshersEngine.so")</p>
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<p class="whs1">hypArea.SetMaxElementArea(maxElementArea)</p>
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<p class="whs1">print hypArea.GetName()</p>
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<p class="whs1">print hypArea.GetId()</p>
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<p class="whs1">print hypArea.GetMaxElementArea()</p>
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<p class="whs1">smeshgui.SetName(salome.ObjectToID(hypArea),
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"MaxElementArea_500")</p>
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<p class="whs1">print "--------------------------
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MaxElementVolume"</p>
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<p class="whs1">maxElementVolume
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= 900</p>
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<p class="whs1">hypVolume = smesh.CreateHypothesis("MaxElementVolume",
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"libStdMeshersEngine.so")</p>
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<p class="whs1">hypVolume.SetMaxElementVolume(maxElementVolume)</p>
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<p class="whs1">print hypVolume.GetName()</p>
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<p class="whs1">print hypVolume.GetId()</p>
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<p class="whs1">print hypVolume.GetMaxElementVolume()</p>
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<p class="whs1">smeshgui.SetName(salome.ObjectToID(hypVolume),
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"MaxElementVolume_500")</p>
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<p class="whs2"> </p>
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<p class="whs2"># create algorithms</p>
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<p class="whs1">print "--------------------------
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create Algorithms"</p>
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<p class="whs1">print "--------------------------
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Regular_1D"</p>
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<p class="whs1">regular1D = smesh.CreateHypothesis("Regular_1D",
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"libStdMeshersEngine.so")</p>
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<p class="whs1">smeshgui.SetName(salome.ObjectToID(regular1D),
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"Wire Discretisation")</p>
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<p class="whs1">print "--------------------------
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MEFISTO_2D"</p>
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<p class="whs1">mefisto2D = smesh.CreateHypothesis("MEFISTO_2D",
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"libStdMeshersEngine.so")</p>
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<p class="whs1">smeshgui.SetName(salome.ObjectToID(mefisto2D),
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"MEFISTO_2D")</p>
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<p class="whs2"> </p>
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<p class="whs2"># initialize a mesh with
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the box</p>
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<p class="whs1">mesh = smesh.CreateMesh(box)</p>
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<p class="whs1">smeshgui.SetName(salome.ObjectToID(mesh),
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<p class="whs2">tetra = smesh.Mesh(box,
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"MeshBox")</p>
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<p class="whs2"> </p>
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<p class="whs2"># add the hypothesis to
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the box</p>
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<p class="whs2">algo1D = tetra.Segment()</p>
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<p class="whs1">print "--------------------------
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add hypothesis to the box"</p>
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<p class="whs1">mesh.AddHypothesis(box,hypNbSeg)</p>
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<p class="whs1">mesh.AddHypothesis(box,hypArea)</p>
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<p class="whs1">mesh.AddHypothesis(box,hypVolume)</p>
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<p class="whs1">mesh.AddHypothesis(box,regular1D)</p>
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<p class="whs1">mesh.AddHypothesis(box,mefisto2D)</p>
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<p class="whs2">algo1D.NumberOfSegments(7)</p>
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<p class="whs2"> </p>
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<p class="whs2"># compute the mesh</p>
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<p class="whs2">algo2D = tetra.Triangle()</p>
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<p class="whs1">print "--------------------------
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compute the mesh of the box"</p>
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<p class="whs2">algo2D.MaxElementArea(800.)</p>
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<p class="whs1">ret = smesh.Compute(mesh,box)</p>
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<p class="whs2"> </p>
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<p class="whs1">print ret</p>
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<p class="whs2">algo3D = tetra.Tetrahedron(smesh.NETGEN)</p>
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<p class="whs1">if ret == 0:</p>
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<p class="whs2">algo3D.MaxElementVolume(900.)</p>
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<p class="whs1"> print
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"probleme when computing the mesh"</p>
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<p class="whs2"> </p>
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<p class="whs1">salome.sg.updateObjBrowser(1)</p>
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<p class="whs3"># compute the mesh</p>
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<p class="whs1"> </p>
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<p class="whs2">ret = tetra.Compute()</p>
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<p class="whs2">if ret == 0:</p>
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<p class="whs2"> print
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"problem when computing the mesh"</p>
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<p class="whs2">else:</p>
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<p class="whs2"> print
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"mesh computed"</p>
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<p class="whs2"> pass
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</p>
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<p class="whs2"> </p>
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<p class="whs2"> </p>
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<h3><a name=bookmark1>Construction of a Submesh</a></h3>
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<p class="whs3"> </p>
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<p class="whs3"><span style="font-family: 'Lucida Console', monospace;">from
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<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">from
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geompy import *</span></p>
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<p class="whs3">import smesh</p>
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<p class="whs4">import smesh</p>
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<p class="whs4"> </p>
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<p class="whs4"># create vertices</p>
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<p class="whs5"># create a box</p>
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<p class="whs3">Point111 = MakeVertex( 0, 0,
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0)</p>
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<p class="whs4">box = MakeBoxDXDYDZ(10., 10., 10.)</p>
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<p class="whs3">Point211 = MakeVertex(10, 0,
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0)</p>
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<p class="whs3">Point121 = MakeVertex( 0, 10, 0)</p>
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<p class="whs3">Point221 = MakeVertex(10, 10, 0)</p>
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<p class="whs3">Point112 = MakeVertex( 0, 0,
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10)</p>
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<p class="whs3">Point212 = MakeVertex(10, 0,
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10)</p>
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<p class="whs3">Point122 = MakeVertex( 0, 10, 10)</p>
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<p class="whs3">Point222 = MakeVertex(10, 10, 10)</p>
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<p class="whs4">addToStudy(box, "Box")</p>
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<p class="whs4"> </p>
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<p class="whs4"># create edges</p>
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<p class="whs5"># select one edge of
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the box for definition of a local hypothesis</p>
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<p class="whs3">EdgeX111 = MakeEdge(Point111, Point211)</p>
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<p class="whs4">p5 = MakeVertex(5., 0., 0.)</p>
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<p class="whs3">EdgeX121 = MakeEdge(Point121, Point221)</p>
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<p class="whs4">EdgeX = GetEdgeNearPoint(box, p5)</p>
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<p class="whs3">EdgeX112 = MakeEdge(Point112, Point212)</p>
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<p class="whs3">EdgeX122 = MakeEdge(Point122, Point222)</p>
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<p class="whs3">EdgeY11 = MakeEdge(Point111, Point121)</p>
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<p class="whs3">EdgeY21 = MakeEdge(Point211, Point221)</p>
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<p class="whs3">EdgeY12 = MakeEdge(Point112, Point122)</p>
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<p class="whs3">EdgeY22 = MakeEdge(Point212, Point222)</p>
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<p class="whs3">EdgeZ111 = MakeEdge(Point111, Point112)</p>
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<p class="whs3">EdgeZ211 = MakeEdge(Point211, Point212)</p>
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<p class="whs3">EdgeZ121 = MakeEdge(Point121, Point122)</p>
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<p class="whs3">EdgeZ221 = MakeEdge(Point221, Point222)</p>
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<p class="whs4">addToStudyInFather(box, EdgeX, "Edge
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[0,0,0 - 10,0,0]")</p>
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<p class="whs4"> </p>
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<p class="whs4"># create faces</p>
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<p class="whs5"># create a hexahedral
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mesh on the box</p>
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<p class="whs3">FaceX11 = MakeQuad(EdgeY11, EdgeZ111,
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EdgeY12, EdgeZ121)</p>
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<p class="whs3">FaceX21 = MakeQuad(EdgeY21, EdgeZ211,
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EdgeY22, EdgeZ221)</p>
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<p class="whs3">FaceY111 = MakeQuad(EdgeX111, EdgeZ111,
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EdgeX112, EdgeZ211)</p>
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<p class="whs3">FaceY121 = MakeQuad(EdgeX121, EdgeZ121,
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EdgeX122, EdgeZ221)</p>
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<p class="whs3">FaceZ11 = MakeQuad(EdgeX111, EdgeY11,
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EdgeX121, EdgeY21)</p>
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<p class="whs3">FaceZ12 = MakeQuad(EdgeX112, EdgeY12,
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EdgeX122, EdgeY22)</p>
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<p class="whs4">quadra = smesh.Mesh(box, "Box : quadrangle
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2D mesh")</p>
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<p class="whs4"> </p>
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<p class="whs4"># create a solid</p>
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<p class="whs5"># create a regular
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1D algorithm for the faces</p>
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<p class="whs3">Block = MakeHexa(FaceX11, FaceX21, FaceY111,
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FaceY121, FaceZ11, FaceZ12)</p>
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<p class="whs4">algo1D = quadra.Segment()</p>
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<p class="whs4"> </p>
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<p class="whs4"># create a compound</p>
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<p class="whs5"># define "NumberOfSegments"
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hypothesis to cut</p>
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<p class="whs3">box = MakeCompound([Block])</p>
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<p class="whs5"># all the edges in
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a fixed number of segments</p>
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<p class="whs4">algo1D.NumberOfSegments(4)</p>
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<p class="whs4"> </p>
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<p class="whs4"># add in the study</p>
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<p class="whs3">box_id = addToStudy(box, "Box compound")</p>
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<p class="whs4"> </p>
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<p class="whs4"># create hexahedral mesh
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on the box</p>
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<p class="whs3">hexa = smesh.Mesh(box, "Box compound
|
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: hexahedrical mesh")</p>
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<p class="whs3">algo = hexa.Segment()</p>
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<p class="whs4"> </p>
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<p class="whs4"># define "NumberOfSegments"
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hypothesis to cut the edge in a fixed number of segments</p>
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<p class="whs3">algo.NumberOfSegments(4)</p>
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<p class="whs4"> </p>
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<p class="whs4"># creates a quadrangle
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<p class="whs5"># create a quadrangle
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2D algorithm for the faces</p>
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<p class="whs3">hexa.Quadrangle()</p>
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<p class="whs4">quadra.Quadrangle()</p>
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<p class="whs4"> </p>
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<p class="whs4"># construct a submesh with
|
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a local hypothesis</p>
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<p class="whs5"># construct a submesh
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on the edge with a local hypothesis</p>
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<p class="whs3">algo = hexa.Segment(EdgeX111)</p>
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<p class="whs4">algo_local = quadra.Segment(EdgeX)</p>
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<p class="whs4"> </p>
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<p class="whs4"># define "Arithmetic1D"
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hypothesis to cut an edge in several segments with increasing arithmetic
|
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length </p>
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<p class="whs5"># define "Arithmetic1D"
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hypothesis to cut the edge<span style="margin-top: 0px;
|
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margin-bottom: 0px;
|
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font-family: 'Times New Roman', serif;">
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in several segments with increasing arithmetic length</span></p>
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<p class="whs3">algo.Arithmetic1D(1, 4)</p>
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<p class="whs4">algo_local.Arithmetic1D(1, 4)</p>
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<p class="whs4"> </p>
|
||||
|
||||
<p class="whs4"># define "Propagation"
|
||||
hypothesis that propagates all other hypothesis on all edges on the opposite
|
||||
side in case of quadrangular faces</p>
|
||||
<p class="whs5"># define "Propagation"
|
||||
hypothesis that propagates all other hypotheses</p>
|
||||
|
||||
<p class="whs3">algo.Propagation()</p>
|
||||
<p class="whs5"># on all edges of the
|
||||
opposite side in case of quadrangular faces</p>
|
||||
|
||||
<p class="whs4">algo_local.Propagation()</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs4"># compute the mesh</p>
|
||||
<p class="whs5"># compute the mesh</p>
|
||||
|
||||
<p class="whs3">hexa.Compute() </p>
|
||||
<p class="whs4">quadra.Compute() </p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<h3><a name=bookmark2>Editing of a mesh</a></h3>
|
||||
|
||||
<p>Attention! This script was written using old approach, based on direct usage of SMESH idl interface. To be updated for version 3.2.1 to use <b>smesh</b> package.
|
||||
<br>
|
||||
<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">import
|
||||
geompy</span></p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3"><span style="font-family: 'Lucida Console', monospace;">import
|
||||
salome</span></p>
|
||||
|
||||
<p class="whs3">import geompy</p>
|
||||
|
||||
<p class="whs3">import SMESH</p>
|
||||
|
||||
<p class="whs3">import StdMeshers</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">smesh = salome.lcc.FindOrLoadComponent("FactoryServer",
|
||||
"SMESH")</p>
|
||||
|
||||
<p class="whs3">smesh.SetCurrentStudy(salome.myStudy)</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">box =
|
||||
geompy.MakeBox(0., 0., 0., 20., 20., 20.)</p>
|
||||
|
||||
<p class="whs3">idbox = geompy.addToStudy(box, "box")</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">subShapeList = geompy.SubShapeAll(box,
|
||||
geompy.ShapeType["EDGE"])</p>
|
||||
|
||||
<p class="whs3">edge =
|
||||
subShapeList[0]</p>
|
||||
|
||||
<p class="whs3">name =
|
||||
geompy.SubShapeName(edge, box)</p>
|
||||
|
||||
<p class="whs3">idedge = geompy.addToStudyInFather(box,
|
||||
edge, name)</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">box =
|
||||
salome.IDToObject(idbox)</p>
|
||||
|
||||
<p class="whs3">edge = salome.IDToObject(idedge)</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">hyp1 = smesh.CreateHypothesis("NumberOfSegments",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs3">hyp1.SetNumberOfSegments(3)</p>
|
||||
|
||||
<p class="whs3">hyp2 = smesh.CreateHypothesis("MaxElementArea",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs3">hyp2.SetMaxElementArea(10)</p>
|
||||
|
||||
<p class="whs3">hyp3 = smesh.CreateHypothesis("Arithmetic1D",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs3">hyp3.SetLength(1,1)</p>
|
||||
|
||||
<p class="whs3">hyp3.SetLength(6,0)</p>
|
||||
|
||||
<p class="whs3">hyp4 = smesh.CreateHypothesis("Propagation",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">algo1 = smesh.CreateHypothesis("Regular_1D",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs3">algo2 = smesh.CreateHypothesis("MEFISTO_2D",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">mesh = smesh.CreateMesh(box)</p>
|
||||
|
||||
<p class="whs3">mesh.AddHypothesis(box,hyp1)</p>
|
||||
|
||||
<p class="whs3">mesh.AddHypothesis(box,hyp2)</p>
|
||||
|
||||
<p class="whs3">mesh.AddHypothesis(box,algo1)</p>
|
||||
|
||||
<p class="whs3">mesh.AddHypothesis(box,algo2)</p>
|
||||
|
||||
<p class="whs3">mesh.AddHypothesis(edge,hyp3)</p>
|
||||
|
||||
<p class="whs3">mesh.AddHypothesis(edge,hyp4)</p>
|
||||
|
||||
<p class="whs3">mesh.AddHypothesis(edge,algo1)</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">smesh.Compute(mesh,box)</p>
|
||||
|
||||
<p class="whs3">salome.sg.updateObjBrowser(1)</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs5"># remove a hypothesis</p>
|
||||
|
||||
<p class="whs3">mesh.RemoveHypothesis(edge,hyp4)</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">smesh.Compute(mesh,box)</p>
|
||||
|
||||
<p class="whs3">salome.sg.updateObjBrowser(1)</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs5"># change the value
|
||||
of the hypothesis</p>
|
||||
|
||||
<p class="whs3">hyp2.SetMaxElementArea(2)</p>
|
||||
|
||||
<p class="whs3">mesh.AddHypothesis(box,hyp2)</p>
|
||||
|
||||
<p class="whs3"> </p>
|
||||
|
||||
<p class="whs3">smesh.Compute(mesh,box)</p>
|
||||
|
||||
<p class="whs3">salome.sg.updateObjBrowser(1) </p>
|
||||
<p class="whs4">import smesh</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs4">def PrintMeshInfo(theMesh):</p>
|
||||
|
||||
<p class="whs4"> aMesh
|
||||
= theMesh.GetMesh()</p>
|
||||
|
||||
<p class="whs4"> print
|
||||
"Information about mesh:"</p>
|
||||
|
||||
<p class="whs4"> print
|
||||
"Number of nodes :
|
||||
", aMesh.NbNodes()</p>
|
||||
|
||||
<p class="whs4"> print
|
||||
"Number of edges :
|
||||
", aMesh.NbEdges()</p>
|
||||
|
||||
<p class="whs4"> print
|
||||
"Number of faces :
|
||||
", aMesh.NbFaces()</p>
|
||||
|
||||
<p class="whs4"> print
|
||||
"Number of volumes :
|
||||
", aMesh.NbVolumes()</p>
|
||||
|
||||
<p class="whs4"> pass</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs5"># create a box</p>
|
||||
|
||||
<p class="whs4">box = geompy.MakeBox(0., 0., 0., 20.,
|
||||
20., 20.)</p>
|
||||
|
||||
<p class="whs4">geompy.addToStudy(box, "box")</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs5"># select one edge of
|
||||
the box for definition of a local hypothesis</p>
|
||||
|
||||
<p class="whs4">subShapeList = geompy.SubShapeAll(box,
|
||||
geompy.ShapeType["EDGE"])</p>
|
||||
|
||||
<p class="whs4">edge = subShapeList[0]</p>
|
||||
|
||||
<p class="whs4">name = geompy.SubShapeName(edge, box)</p>
|
||||
|
||||
<p class="whs4">geompy.addToStudyInFather(box, edge, name)</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs5"># create a mesh</p>
|
||||
|
||||
<p class="whs4">tria = smesh.Mesh(box, "Mesh 2D")</p>
|
||||
|
||||
<p class="whs4">algo1D = tria.Segment()</p>
|
||||
|
||||
<p class="whs4">hyp1 = algo1D.NumberOfSegments(3)</p>
|
||||
|
||||
<p class="whs4">algo2D = tria.Triangle()</p>
|
||||
|
||||
<p class="whs4">hyp2 = algo2D.MaxElementArea(10.)</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs5"># create a sub-mesh</p>
|
||||
|
||||
<p class="whs4">algo_local = tria.Segment(edge)</p>
|
||||
|
||||
<p class="whs4">hyp3 = algo_local.Arithmetic1D(1, 6)</p>
|
||||
|
||||
<p class="whs4">hyp4 = algo_local.Propagation()</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs5"># compute the mesh</p>
|
||||
|
||||
<p class="whs4">tria.Compute()</p>
|
||||
|
||||
<p class="whs4">PrintMeshInfo(tria)</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs5"># remove a local hypothesis</p>
|
||||
|
||||
<p class="whs4">mesh = tria.GetMesh()</p>
|
||||
|
||||
<p class="whs4">mesh.RemoveHypothesis(edge, hyp4)</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs5"># compute the mesh</p>
|
||||
|
||||
<p class="whs4">tria.Compute()</p>
|
||||
|
||||
<p class="whs4">PrintMeshInfo(tria)</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs5"># change the value
|
||||
of the 2D hypothesis</p>
|
||||
|
||||
<p class="whs4">hyp2.SetMaxElementArea(2.)</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
|
||||
<p class="whs5"># compute the mesh</p>
|
||||
|
||||
<p class="whs4">tria.Compute()</p>
|
||||
|
||||
<p class="whs4">PrintMeshInfo(tria) </p>
|
||||
|
||||
<p class="whs6"> </p>
|
||||
|
||||
<h3><a name=bookmark3>Export of a Mesh</a></h3>
|
||||
|
||||
<p>Attention! This script was written using old approach, based on direct usage of SMESH idl interface. To be updated for version 3.2.1 to use <b>smesh</b> package.
|
||||
<br>
|
||||
<p class="whs7">import geompy</p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
<p class="whs7">import smesh</p>
|
||||
|
||||
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
|
||||
salome</span></p>
|
||||
<p class="whs6"> </p>
|
||||
|
||||
<p class="whs1">import geompy</p>
|
||||
<p class="whs6"># create a box</p>
|
||||
|
||||
<p class="whs1">import StdMeshers</p>
|
||||
|
||||
<p class="whs1">smesh = salome.lcc.FindOrLoadComponent("FactoryServer",
|
||||
"SMESH")</p>
|
||||
|
||||
<p class="whs1">smeshgui = salome.ImportComponentGUI("SMESH")</p>
|
||||
|
||||
<p class="whs1">smeshgui.Init(salome.myStudyId);</p>
|
||||
|
||||
<p class="whs2"> </p>
|
||||
|
||||
<p class="whs2"># create a box</p>
|
||||
|
||||
<p class="whs1">box = geompy.MakeBox(0.,
|
||||
<p class="whs7">box = geompy.MakeBox(0.,
|
||||
0., 0., 100., 200., 300.)</p>
|
||||
|
||||
<p class="whs2"> </p>
|
||||
|
||||
<p class="whs2"># add the box to the study</p>
|
||||
|
||||
<p class="whs1">idbox = geompy.addToStudy(box,
|
||||
<p class="whs7">idbox = geompy.addToStudy(box,
|
||||
"box")</p>
|
||||
|
||||
<p class="whs2"> </p>
|
||||
<p class="whs6"> </p>
|
||||
|
||||
<p class="whs2"># create a hypothesis</p>
|
||||
<p class="whs6"># create a mesh</p>
|
||||
|
||||
<p class="whs1">print "--------------------------
|
||||
create Hypothesis"</p>
|
||||
|
||||
<p class="whs1">print "--------------------------
|
||||
NumberOfSegments"</p>
|
||||
|
||||
<p class="whs1">numberOfSegments
|
||||
= 7</p>
|
||||
|
||||
<p class="whs1">hypNbSeg = smesh.CreateHypothesis("NumberOfSegments",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs1">hypNbSeg.SetNumberOfSegments(numberOfSegments)</p>
|
||||
|
||||
<p class="whs1">print hypNbSeg.GetName()</p>
|
||||
|
||||
<p class="whs1">print hypNbSeg.GetId()</p>
|
||||
|
||||
<p class="whs1">print hypNbSeg.GetNumberOfSegments()</p>
|
||||
|
||||
<p class="whs1">smeshgui.SetName(salome.ObjectToID(hypNbSeg),
|
||||
"NumberOfSegments_10")</p>
|
||||
|
||||
<p class="whs1">print "--------------------------
|
||||
MaxElementArea"</p>
|
||||
|
||||
<p class="whs1">maxElementArea =
|
||||
800</p>
|
||||
|
||||
<p class="whs1">hypArea = smesh.CreateHypothesis("MaxElementArea",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs1">hypArea.SetMaxElementArea(maxElementArea)</p>
|
||||
|
||||
<p class="whs1">print hypArea.GetName()</p>
|
||||
|
||||
<p class="whs1">print hypArea.GetId()</p>
|
||||
|
||||
<p class="whs1">print hypArea.GetMaxElementArea()</p>
|
||||
|
||||
<p class="whs1">smeshgui.SetName(salome.ObjectToID(hypArea),
|
||||
"MaxElementArea_500")</p>
|
||||
|
||||
<p class="whs1">print "--------------------------
|
||||
MaxElementVolume"</p>
|
||||
|
||||
<p class="whs1">maxElementVolume
|
||||
= 900</p>
|
||||
|
||||
<p class="whs1">hypVolume = smesh.CreateHypothesis("MaxElementVolume",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs1">hypVolume.SetMaxElementVolume(maxElementVolume)</p>
|
||||
|
||||
<p class="whs1">print hypVolume.GetName()</p>
|
||||
|
||||
<p class="whs1">print hypVolume.GetId()</p>
|
||||
|
||||
<p class="whs1">print hypVolume.GetMaxElementVolume()</p>
|
||||
|
||||
<p class="whs1">smeshgui.SetName(salome.ObjectToID(hypVolume),
|
||||
"MaxElementVolume_500")</p>
|
||||
|
||||
<p class="whs2"> </p>
|
||||
|
||||
<p class="whs2"># create algorithms</p>
|
||||
|
||||
<p class="whs1">print "--------------------------
|
||||
create Algorithms"</p>
|
||||
|
||||
<p class="whs1">print "--------------------------
|
||||
Regular_1D"</p>
|
||||
|
||||
<p class="whs1">regular1D = smesh.CreateHypothesis("Regular_1D",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs1">smeshgui.SetName(salome.ObjectToID(regular1D),
|
||||
"Wire Discretisation")</p>
|
||||
|
||||
<p class="whs1">print "--------------------------
|
||||
MEFISTO_2D"</p>
|
||||
|
||||
<p class="whs1">mefisto2D = smesh.CreateHypothesis("MEFISTO_2D",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs1">smeshgui.SetName(salome.ObjectToID(mefisto2D),
|
||||
"MEFISTO_2D")</p>
|
||||
|
||||
<p class="whs2"> </p>
|
||||
|
||||
<p class="whs2"># initialize a mesh with
|
||||
the box</p>
|
||||
|
||||
<p class="whs1">mesh = smesh.CreateMesh(box)</p>
|
||||
|
||||
<p class="whs1">smeshgui.SetName(salome.ObjectToID(mesh),
|
||||
<p class="whs7">tetra = smesh.Mesh(box,
|
||||
"MeshBox")</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
<p class="whs6"> </p>
|
||||
|
||||
<p class="whs2"># add the hypothesis to
|
||||
the box</p>
|
||||
<p class="whs7">algo1D = tetra.Segment()</p>
|
||||
|
||||
<p class="whs1">print "--------------------------
|
||||
add hypothesis to the box"</p>
|
||||
<p class="whs7">algo1D.NumberOfSegments(7)</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,hypNbSeg)</p>
|
||||
<p class="whs7"> </p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,hypArea)</p>
|
||||
<p class="whs7">algo2D = tetra.Triangle()</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,hypVolume)</p>
|
||||
<p class="whs7">algo2D.MaxElementArea(800.)</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,regular1D)</p>
|
||||
<p class="whs7"> </p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,mefisto2D)</p>
|
||||
<p class="whs7">algo3D = tetra.Tetrahedron(smesh.NETGEN)</p>
|
||||
|
||||
<p class="whs2"> </p>
|
||||
<p class="whs7">algo3D.MaxElementVolume(900.)</p>
|
||||
|
||||
<p class="whs2"># compute the mesh</p>
|
||||
<p class="whs6"> </p>
|
||||
|
||||
<p class="whs1">print "--------------------------
|
||||
compute the mesh of the box"</p>
|
||||
<p class="whs6"># compute the mesh</p>
|
||||
|
||||
<p class="whs1">ret = smesh.Compute(mesh,box)</p>
|
||||
<p class="whs7">tetra.Compute()</p>
|
||||
|
||||
<p class="whs1">print ret</p>
|
||||
<p class="whs6"> </p>
|
||||
|
||||
<p class="whs1">if ret == 0:</p>
|
||||
<p class="whs6"># export the mesh in a
|
||||
MED file</p>
|
||||
|
||||
<p class="whs1"> print
|
||||
"probleme when computing the mesh"</p>
|
||||
|
||||
<p class="whs1">salome.sg.updateObjBrowser(1)</p>
|
||||
|
||||
<p class="whs1">mesh.ExportMED("/tmp/meshMED.med",0)</p>
|
||||
|
||||
<p class="whs2"> </p>
|
||||
|
||||
<p class="whs4"> </p>
|
||||
<p class="whs7">tetra.ExportMED("/tmp/meshMED.med",
|
||||
0) </p>
|
||||
|
||||
<script type="text/javascript" language="javascript1.2">
|
||||
<!--
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
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Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@ -85,124 +85,56 @@ if (window.writeIntopicBar)
|
||||
|
||||
<h3>Viewing Mesh Infos</h3>
|
||||
|
||||
<p>Attention! This script was written using old approach, based on direct usage of SMESH idl interface. To be updated for version 3.2.1 to use <b>smesh</b> package.
|
||||
<br>
|
||||
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
|
||||
geompy</span></p>
|
||||
|
||||
<p class="whs1">import salome</p>
|
||||
|
||||
<p class="whs1">import geompy</p>
|
||||
|
||||
<p class="whs1">import SMESH</p>
|
||||
|
||||
<p class="whs1">import StdMeshers</p>
|
||||
<p class="whs1">import smesh</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
|
||||
<p class="whs1">smesh = salome.lcc.FindOrLoadComponent("FactoryServer",
|
||||
"SMESH")</p>
|
||||
<p class="whs2"># create a box</p>
|
||||
|
||||
<p class="whs1">smesh.SetCurrentStudy(salome.myStudy)</p>
|
||||
<p class="whs1">box = geompy.MakeBox(0., 0., 0., 20.,
|
||||
20., 20.)</p>
|
||||
|
||||
<p class="whs1">geompy.addToStudy(box, "box")</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
|
||||
<p class="whs1">box =
|
||||
geompy.MakeBox(0., 0., 0., 20., 20., 20.)</p>
|
||||
<p class="whs2"># create a mesh</p>
|
||||
|
||||
<p class="whs1">idbox = geompy.addToStudy(box, "box")</p>
|
||||
<p class="whs1">tetra = smesh.Mesh(box, "MeshBox")</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
|
||||
<p class="whs1">subShapeList = geompy.SubShapeAll(box,
|
||||
geompy.ShapeType["EDGE"])</p>
|
||||
<p class="whs1">algo1D = tetra.Segment()</p>
|
||||
|
||||
<p class="whs1">edge =
|
||||
subShapeList[0]</p>
|
||||
|
||||
<p class="whs1">name =
|
||||
geompy.SubShapeName(edge, box)</p>
|
||||
|
||||
<p class="whs1">idedge = geompy.addToStudyInFather(box,
|
||||
edge, name)</p>
|
||||
<p class="whs1">algo1D.NumberOfSegments(3)</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
|
||||
<p class="whs1">box =
|
||||
salome.IDToObject(idbox)</p>
|
||||
<p class="whs1">algo2D = tetra.Triangle()</p>
|
||||
|
||||
<p class="whs1">edge = salome.IDToObject(idedge)</p>
|
||||
<p class="whs1">algo2D.MaxElementArea(10.)</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
|
||||
<p class="whs1">hyp1 = smesh.CreateHypothesis("NumberOfSegments",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
<p class="whs1">algo3D = tetra.Tetrahedron(smesh.NETGEN)</p>
|
||||
|
||||
<p class="whs1">hyp1.SetNumberOfSegments(3)</p>
|
||||
|
||||
<p class="whs1">hyp2 = smesh.CreateHypothesis("MaxElementArea",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs1">hyp2.SetMaxElementArea(10)</p>
|
||||
|
||||
<p class="whs1">hyp3 = smesh.CreateHypothesis("Arithmetic1D",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs1">hyp3.SetLength(1,1)</p>
|
||||
|
||||
<p class="whs1">hyp3.SetLength(6,0)</p>
|
||||
|
||||
<p class="whs1">hyp4 = smesh.CreateHypothesis("Propagation",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
<p class="whs1">algo3D.MaxElementVolume(900.)</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
|
||||
<p class="whs1">algo1 = smesh.CreateHypothesis("Regular_1D",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
<p class="whs2"># compute the mesh</p>
|
||||
|
||||
<p class="whs1">algo2 = smesh.CreateHypothesis("MEFISTO_2D",
|
||||
"libStdMeshersEngine.so")</p>
|
||||
|
||||
<p class="whs1">mesh = smesh.CreateMesh(box)</p>
|
||||
<p class="whs1">tetra.Compute()</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,hyp1)</p>
|
||||
<p class="whs2"># print informations
|
||||
about the mesh</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,hyp2)</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,algo1)</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,algo2)</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(edge,hyp3)</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(edge,hyp4)</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(edge,algo1)</p>
|
||||
|
||||
<p class="whs1">smesh.Compute(mesh,box)</p>
|
||||
|
||||
<p class="whs1">salome.sg.updateObjBrowser(1)</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
|
||||
<p class="whs2"># remove one hypothesis</p>
|
||||
|
||||
<p class="whs1">mesh.RemoveHypothesis(edge,hyp4)</p>
|
||||
|
||||
<p class="whs1">smesh.Compute(mesh,box)</p>
|
||||
|
||||
<p class="whs1">salome.sg.updateObjBrowser(1)</p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
|
||||
<p class="whs2"># change the value
|
||||
of the hypothesis</p>
|
||||
|
||||
<p class="whs1">hyp2.SetMaxElementArea(2)</p>
|
||||
|
||||
<p class="whs1">mesh.AddHypothesis(box,hyp2)</p>
|
||||
|
||||
<p class="whs1">smesh.Compute(mesh,box)</p>
|
||||
<p class="whs1">mesh = tetra.GetMesh()</p>
|
||||
|
||||
<p class="whs1">print "Information about mesh:"</p>
|
||||
|
||||
@ -215,36 +147,36 @@ if (window.writeIntopicBar)
|
||||
<p class="whs1">print "Number of faces :
|
||||
", mesh.NbFaces()</p>
|
||||
|
||||
<p class="whs1">print "Number of triangles :
|
||||
<p class="whs1">print " triangles
|
||||
:
|
||||
", mesh.NbTriangles()</p>
|
||||
|
||||
<p class="whs1">print "Number of quadrangles : ",
|
||||
mesh.NbQuadrangles()</p>
|
||||
<p class="whs1">print " quadrangles
|
||||
: ", mesh.NbQuadrangles()</p>
|
||||
|
||||
<p class="whs1">print "Number of polygons :
|
||||
<p class="whs1">print " polygons
|
||||
:
|
||||
", mesh.NbPolygons()</p>
|
||||
|
||||
<p class="whs1">print "Number of volumes :
|
||||
", mesh.NbVolumes()</p>
|
||||
|
||||
<p class="whs1">print "Number of tetrahedrons: ",
|
||||
mesh.NbTetras()</p>
|
||||
<p class="whs1">print " tetrahedrons:
|
||||
", mesh.NbTetras()</p>
|
||||
|
||||
<p class="whs1">print "Number of hexahedrons : ",
|
||||
mesh.NbHexas()</p>
|
||||
<p class="whs1">print " hexahedrons
|
||||
: ", mesh.NbHexas()</p>
|
||||
|
||||
<p class="whs1">print "Number of prisms :
|
||||
<p class="whs1">print " prisms
|
||||
:
|
||||
", mesh.NbPrisms()</p>
|
||||
|
||||
<p class="whs1">print "Number of pyramids :
|
||||
<p class="whs1">print " pyramids
|
||||
:
|
||||
", mesh.NbPyramids()</p>
|
||||
|
||||
<p class="whs1">print "Number of polyhedrons : ",
|
||||
mesh.NbPolyhedrons()</p>
|
||||
|
||||
<p class="whs1">salome.sg.updateObjBrowser(1) </p>
|
||||
|
||||
<p class="whs1"> </p>
|
||||
<p class="whs1">print " polyhedrons
|
||||
: ", mesh.NbPolyhedrons() </p>
|
||||
|
||||
<script type="text/javascript" language="javascript1.2">
|
||||
<!--
|
||||
|
||||
Loading…
Reference in New Issue
Block a user