smesh/doc/salome/gui/SMESH/viewing_meshes.htm

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<title>Viewing Meshes</title>
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<h1>Viewing Meshes</h1>
<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>&nbsp;
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<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">&nbsp;</p>
<p class="whs1">smesh = salome.lcc.FindOrLoadComponent(&quot;FactoryServer&quot;,
&quot;SMESH&quot;)</p>
<p class="whs1">smesh.SetCurrentStudy(salome.myStudy)</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">box &nbsp;&nbsp;=
geompy.MakeBox(0., 0., 0., 20., 20., 20.)</p>
<p class="whs1">idbox = geompy.addToStudy(box, &quot;box&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">subShapeList = geompy.SubShapeAll(box,
geompy.ShapeType[&quot;EDGE&quot;])</p>
<p class="whs1">edge &nbsp;&nbsp;=
subShapeList[0]</p>
<p class="whs1">name &nbsp;&nbsp;=
geompy.SubShapeName(edge, box)</p>
<p class="whs1">idedge = geompy.addToStudyInFather(box,
edge, name)</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">box &nbsp;=
salome.IDToObject(idbox)</p>
<p class="whs1">edge = salome.IDToObject(idedge)</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">hyp1 = smesh.CreateHypothesis(&quot;NumberOfSegments&quot;,
&quot;libStdMeshersEngine.so&quot;)</p>
<p class="whs1">hyp1.SetNumberOfSegments(3)</p>
<p class="whs1">hyp2 = smesh.CreateHypothesis(&quot;MaxElementArea&quot;,
&quot;libStdMeshersEngine.so&quot;)</p>
<p class="whs1">hyp2.SetMaxElementArea(10)</p>
<p class="whs1">hyp3 = smesh.CreateHypothesis(&quot;Arithmetic1D&quot;,
&quot;libStdMeshersEngine.so&quot;)</p>
<p class="whs1">hyp3.SetLength(1,1)</p>
<p class="whs1">hyp3.SetLength(6,0)</p>
<p class="whs1">hyp4 = smesh.CreateHypothesis(&quot;Propagation&quot;,
&quot;libStdMeshersEngine.so&quot;)</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">algo1 = smesh.CreateHypothesis(&quot;Regular_1D&quot;,
&quot;libStdMeshersEngine.so&quot;)</p>
<p class="whs1">algo2 = smesh.CreateHypothesis(&quot;MEFISTO_2D&quot;,
&quot;libStdMeshersEngine.so&quot;)</p>
<p class="whs1">mesh = smesh.CreateMesh(box)</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">mesh.AddHypothesis(box,hyp1)</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">&nbsp;</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">&nbsp;</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">print &quot;Information about mesh:&quot;</p>
<p class="whs1">print &quot;Number of nodes &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:
&quot;, mesh.NbNodes()</p>
<p class="whs1">print &quot;Number of edges &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:
&quot;, mesh.NbEdges()</p>
<p class="whs1">print &quot;Number of faces &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:
&quot;, mesh.NbFaces()</p>
<p class="whs1">print &quot;Number of triangles &nbsp;&nbsp;:
&quot;, mesh.NbTriangles()</p>
<p class="whs1">print &quot;Number of quadrangles : &quot;,
mesh.NbQuadrangles()</p>
<p class="whs1">print &quot;Number of polygons &nbsp;&nbsp;&nbsp;:
&quot;, mesh.NbPolygons()</p>
<p class="whs1">print &quot;Number of volumes &nbsp;&nbsp;&nbsp;&nbsp;:
&quot;, mesh.NbVolumes()</p>
<p class="whs1">print &quot;Number of tetrahedrons: &quot;,
mesh.NbTetras()</p>
<p class="whs1">print &quot;Number of hexahedrons : &quot;,
mesh.NbHexas()</p>
<p class="whs1">print &quot;Number of prisms &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:
&quot;, mesh.NbPrisms()</p>
<p class="whs1">print &quot;Number of pyramids &nbsp;&nbsp;&nbsp;:
&quot;, mesh.NbPyramids()</p>
<p class="whs1">print &quot;Number of polyhedrons : &quot;,
mesh.NbPolyhedrons()</p>
<p class="whs1">salome.sg.updateObjBrowser(1) </p>
<p class="whs1">&nbsp;</p>
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