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smesh/doc/salome/gui/SMESH/modifying_meshes.htm
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<!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">
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<head>
<title>Modifying Meshes</title>
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<h1>Modifying Meshes</h1>
<h3><a name=bookmark>Adding Nodes and Elements</a></h3>
<h4>Add Node</h4>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># add node</p>
<p class="whs1">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs1">if aMeshEditor.AddNode(50,
10, 0) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p class="whs1">salome.sg.updateObjBrowser(1)
</p>
<p class="whs1">&nbsp;</p>
<h4>Add Edge</h4>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># add node</p>
<p class="whs1">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs1">if aMeshEditor.AddNode(50,
10, 0) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add edge</p>
<p class="whs1">LastNodeId = mesh.NbNodes()</p>
<p class="whs1">if aMeshEditor.AddEdge([LastNodeId,
38]) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Edge addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO edge addition.&quot;</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">salome.sg.updateObjBrowser(1)
</p>
<p class="whs1">&nbsp;</p>
<h4>Add Triangle</h4>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add node</p>
<p class="whs1">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs1">if aMeshEditor.AddNode(50,
10, 0) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">LastNodeId = mesh.NbNodes()</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># add triangle</p>
<p class="whs1">if aMeshEditor.AddFace([LastNodeId,
38, 39]) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Triangle addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO triangle addition.&quot;</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p class="whs1">salome.sg.updateObjBrowser(1)
</p>
<p class="whs1">&nbsp;</p>
<h4>Add Quadrangle</h4>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add node</p>
<p class="whs1">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs1">if aMeshEditor.AddNode(50,
10, 0) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">LastNodeId = mesh.NbNodes()</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># add quadrangle</p>
<p class="whs1">if aMeshEditor.AddNode(40,
20, 0) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">if aMeshEditor.AddFace([mesh.NbNodes(),
LastNodeId, 38, 39]) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Quadrangle addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO quadrangle addition.&quot;</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
<p class="whs2">&nbsp;</p>
<h4>Add Tetrahedron</h4>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add node</p>
<p class="whs1">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs1">if aMeshEditor.AddNode(50,
10, 0) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">LastNodeId = mesh.NbNodes()</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># add tetrahedron</p>
<p class="whs1">if aMeshEditor.AddVolume([LastNodeId,
38, 39, 246]) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Tetrahedron addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO tetrahedron addition.&quot;</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
<p class="whs2">&nbsp;</p>
<h4>Add Hexahedron</h4>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add nodes</p>
<p class="whs1">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs1">if aMeshEditor.AddNode(50,
10, 0) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">aNodeId1 = mesh.NbNodes()</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">if aMeshEditor.AddNode(47,
12, 0) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">aNodeId2 = mesh.NbNodes()</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">if aMeshEditor.AddNode(50,
10, 10) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">aNodeId3 = mesh.NbNodes()</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">if aMeshEditor.AddNode(47,
12, 10) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node addition.&quot;</p>
<p class="whs1">aNodeId4 = mesh.NbNodes()</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># add hexahedron</p>
<p class="whs1">if aMeshEditor.AddVolume([aNodeId2,
aNodeId1, 38, 39, aNodeId4, aNodeId3, 245, 246]) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Hexahedron addition is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO Hexahedron addition.&quot;</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
<p class="whs2">&nbsp;</p>
<h3><a name=bookmark1>Removing Nodes and Elements</a></h3>
<h4 class="whs3">Removing Nodes</h4>
<p class="whs2">&nbsp;</p>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs2">&nbsp;</p>
<p class="whs2"># add node</p>
<p class="whs1">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs1">if aMeshEditor.RemoveNodes([246,
255]) == 1:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;Node removing is OK!&quot;</p>
<p class="whs1">else:</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;print
&quot;KO node removing.&quot;</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
<p class="whs2">&nbsp;</p>
<h4>Removing Elements</h4>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">anEditor = mesh.GetMeshEditor()</p>
<p class="whs1">anEditor.RemoveElements([850,
859, 814])</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">salome.sg.updateObjBrowser(1)
</p>
<p class="whs1">&nbsp;</p>
<h3><a name=bookmark2>Renumbering Nodes and Elements</a></h3>
<p class="whs4">import SMESH</p>
<p class="whs4">import SMESH_mechanic</p>
<p class="whs4">&nbsp;</p>
<p class="whs4">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs4">salome = SMESH_mechanic.salome</p>
<p class="whs4">&nbsp;</p>
<p class="whs4">anEditor = mesh.GetMeshEditor()</p>
<p class="whs4">anEditor.RenumberNodes()</p>
<p class="whs4">&nbsp;</p>
<p class="whs5"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
<p class="whs5">&nbsp;</p>
<p>&nbsp;</p>
<h3><a name=bookmark3>Moving Nodes</a></h3>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># move node</p>
<p class="whs1">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs1">aMeshEditor.MoveNode(38,
20, 10, 0)</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
<p class="whs2">&nbsp;</p>
<h3><a name=bookmark4>Diagonal Inversion</a></h3>
<p class="whs1">import SMESH</p>
<p class="whs1">import SMESH_mechanic</p>
<p class="whs1">&nbsp;</p>
<p class="whs1">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs1">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs1">salome = SMESH_mechanic.salome</p>
<p class="whs1">&nbsp;</p>
<p class="whs2"># inverse diagonal</p>
<p class="whs1">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs1">aMeshEditor.InverseDiag(700,
642)</p>
<p class="whs1">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p class="whs2"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
<p class="whs2">&nbsp;</p>
<h3><a name=bookmark5>Uniting two Triangles</a></h3>
<p class="whs6">import SMESH</p>
<p class="whs6">import SMESH_mechanic</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs6">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs6">salome = SMESH_mechanic.salome</p>
<p class="whs6">&nbsp;</p>
<p># delete diagonal</p>
<p class="whs6">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs6">aMeshEditor.DeleteDiag(700,
642)</p>
<p class="whs6">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
<p>&nbsp;</p>
<h3><a name=bookmark6>Uniting a Set of Triangles</a></h3>
<p class="whs6">import SMESH</p>
<p class="whs6">import SMESH_mechanic</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs6">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs6">salome = SMESH_mechanic.salome</p>
<p class="whs6">&nbsp;</p>
<p># unite a set of triangles</p>
<p class="whs6">aFilterMgr = smesh.CreateFilterManager()</p>
<p class="whs6">aFunctor = aFilterMgr.CreateMinimumAngle()</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs6">aMeshEditor.TriToQuad([1145,
1147, 1159, 1135], aFunctor, 60)</p>
<p class="whs6">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p class="whs6">salome.sg.updateObjBrowser(1)
</p>
<p class="whs6">&nbsp;</p>
<h3><a name=bookmark7>Cutting Quadrangles</a></h3>
<p class="whs6">import SMESH</p>
<p class="whs6">import SMESH_mechanic</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs6">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs6">salome = SMESH_mechanic.salome</p>
<p class="whs6">&nbsp;</p>
<p class="whs7"># unite a set of triangles</p>
<p class="whs6">aFilterMgr = smesh.CreateFilterManager()</p>
<p class="whs6">aFunctor = aFilterMgr.CreateMinimumAngle()</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs6">aMeshEditor.QuadToTri([405,
406], aFunctor)</p>
<p class="whs6">&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p class="whs6">salome.sg.updateObjBrowser(1)
</p>
<p class="whs7">&nbsp;</p>
<h3><a name=bookmark8>Smoothing</a></h3>
<p class="whs6">import SMESH</p>
<p class="whs6">import SMESH_mechanic</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs6">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs6">salome = SMESH_mechanic.salome</p>
<p class="whs6">&nbsp;</p>
<p class="whs7"># smooth</p>
<p class="whs6">FacesSmooth = [911,
931, 950, 864, 932]</p>
<p class="whs6">GroupSmooth = mesh.CreateGroup(SMESH.FACE,&quot;Group
of faces (smooth)&quot;)</p>
<p class="whs6">GroupSmooth.Add(FacesSmooth)</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs6">aMeshEditor.SmoothObject(GroupSmooth,
[], 20, 2, SMESH.SMESH_MeshEditor.CENTROIDAL_SMOOTH)</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">salome.sg.updateObjBrowser(1)
</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">&nbsp;</p>
<h3><a name=bookmark9>Extrusion</a></h3>
<p class="whs7">import SMESH</p>
<p class="whs7">import SMESH_mechanic</p>
<p class="whs7">&nbsp;</p>
<p class="whs7">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs7">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs7">salome = SMESH_mechanic.salome</p>
<p class="whs6">&nbsp;</p>
<p class="whs7"># extrusion of the group</p>
<p class="whs7">point = SMESH.PointStruct(0,
0, 5)</p>
<p class="whs7">vector = SMESH.DirStruct(point)</p>
<p class="whs7">FacesTriToQuad = [2381,
2382, 2383, 2384, 2385, 2386, 2387, 2388, 2389, 2390, 2391, 2392, 2393,
2394, 2395, 2396, 2397, 2398, 2399, 2400, 2401, 2402, 2403, 2404, 2405,
2406, 2407, 2408, 2409, 2410, 2411, 2412, 2413, 2414, 2415, 2416, 2417,
2418, 2419, 2420, 2421, 2422]</p>
<p class="whs7">&nbsp;</p>
<p class="whs7">GroupTriToQuad = mesh.CreateGroup(SMESH.FACE,&quot;Group
of faces (quad)&quot;)</p>
<p class="whs7">GroupTriToQuad.Add(FacesTriToQuad)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs7">aMeshEditor.ExtrusionSweepObject(GroupTriToQuad,
vector, 5)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7">salome.sg.updateObjBrowser(1)
</p>
<p class="whs7">&nbsp;</p>
<h3><a name=bookmark10>Extrusion along a Path</a></h3>
<p class="whs6">import geompy</p>
<p class="whs6">import smesh</p>
<p class="whs6">import salome</p>
<p class="whs6">import SMESH</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># create a 2D mesh on
a face</p>
<p class="whs7"># create vertices</p>
<p class="whs6">px &nbsp;&nbsp;=
geompy.MakeVertex(100., 0. &nbsp;,
0. &nbsp;)</p>
<p class="whs6">py &nbsp;&nbsp;=
geompy.MakeVertex(0. &nbsp;,
100., 0. &nbsp;)</p>
<p class="whs6">pz &nbsp;&nbsp;=
geompy.MakeVertex(0. &nbsp;,
0. &nbsp;, 100.)</p>
<p class="whs6">&nbsp;</p>
<p class="whs7"># create a vector from
two points</p>
<p class="whs6">vxy = geompy.MakeVector(px,
py)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># create an arc from
three points</p>
<p class="whs6">arc = geompy.MakeArc(py,
pz, px)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># create a wire</p>
<p class="whs6">wire = geompy.MakeWire([vxy,
arc])</p>
<p class="whs6">isPlanarFace = 1</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># create a face from
the wire</p>
<p class="whs6">face1 = geompy.MakeFace(wire,
isPlanarFace)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># add objects in the
study</p>
<p class="whs6">id_face1 = geompy.addToStudy(face1,&quot;Face1&quot;)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># create hexahedrical
mesh</p>
<p class="whs6">hexa = smesh.Mesh(face1,
&quot;Face compound : hexahedrical mesh&quot;)</p>
<p class="whs6">algo = hexa.Triangle()</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># define &quot;MaxElementArea&quot;
hypothesis to be applied to each triangle</p>
<p class="whs6">algo.MaxElementArea(30)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># create a quadrangle
2D algorithm for faces</p>
<p class="whs6">hexa.Quadrangle()</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># create a local hypothesis</p>
<p class="whs6">algo = hexa.Segment(wire)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># define &quot;NumberOfSegments&quot;
hypothesis to cut an edge in a fixed number of segments</p>
<p class="whs6">algo.NumberOfSegments(6)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># compute the mesh</p>
<p class="whs6">hexa.Compute()</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># create path mesh and
path shape</p>
<p class="whs7"># create a circle from
three points</p>
<p class="whs6">px1 &nbsp;&nbsp;=
geompy.MakeVertex(100., 100. &nbsp;,
0. &nbsp;)</p>
<p class="whs6">py1 &nbsp;&nbsp;=
geompy.MakeVertex(-100. &nbsp;,
-100., 0. &nbsp;)</p>
<p class="whs6">pz1 &nbsp;&nbsp;=
geompy.MakeVertex(0. &nbsp;,
0. &nbsp;, 50.)</p>
<p class="whs6">circle = geompy.MakeCircleThreePnt(py1,
pz1, px1)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># add objects in the
study</p>
<p class="whs6">id_circle = geompy.addToStudy(circle,&quot;Path&quot;)</p>
<p class="whs6">circlemesh = smesh.Mesh(circle,
&quot;Path mesh&quot;)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># create a local hypothesis</p>
<p class="whs6">algo = circlemesh.Segment()</p>
<p class="whs7"># define &quot;NumberOfSegments&quot;
hypothesis to cut an edge in a fixed number of segments</p>
<p class="whs6">algo.NumberOfSegments(10)</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># compute the mesh</p>
<p class="whs6">circlemesh.Compute()</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># extrusion of the mesh</p>
<p class="whs6">aMeshEditor = hexa.GetMesh().GetMeshEditor()</p>
<p class="whs6">aMeshEditor.ExtrusionAlongPathObject(hexa.GetMesh(),
circlemesh.GetMesh(), circle, 1, 0, [], 0, SMESH.PointStruct(0, 0, 0))</p>
<p class="whs6">&nbsp;</p>
<p class="whs7"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
<p class="whs7">&nbsp;</p>
<h3><a name=bookmark11>Revolution</a></h3>
<p class="whs6">import SMESH</p>
<p class="whs6">import SMESH_mechanic</p>
<p class="whs6">import math</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">smesh &nbsp;=
SMESH_mechanic.smesh</p>
<p class="whs6">mesh &nbsp;&nbsp;=
SMESH_mechanic.mesh</p>
<p class="whs6">salome = SMESH_mechanic.salome</p>
<p class="whs7">&nbsp;</p>
<p class="whs7"># rotate a sweep object</p>
<p class="whs6">FacesRotate = [492,
493, 502, 503]</p>
<p class="whs6">GroupRotate = mesh.CreateGroup(SMESH.FACE,&quot;Group
of faces (rotate)&quot;)</p>
<p class="whs6">GroupRotate.Add(FacesRotate)</p>
<p class="whs6">angle45 = &nbsp;45*math.pi/180</p>
<p class="whs6">axisXYZ = SMESH.AxisStruct(-38.3128,
-73.3658, -23.321, -13.3402, -13.3265, 6.66632)</p>
<p class="whs6">&nbsp;</p>
<p class="whs6">aMeshEditor = mesh.GetMeshEditor()</p>
<p class="whs6">aMeshEditor.RotationSweepObject(GroupRotate,
axisXYZ, angle45, 4, 1e-5)</p>
<p class="whs6">&nbsp;</p>
<p class="whs7"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
</p>
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