2005-11-28 14:57:47 +05:00
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<title>Transforming Meshes</title>
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<h1>Transforming Meshes</h1>
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<h3 class="whs1">Transforming Meshes</h3>
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<h4 class="whs2"> </h4>
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<h4 class="whs2"><a name=bookmark>Translation</a></h4>
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<p class="whs3"> </p>
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<p class="whs3">import SMESH</p>
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<p class="whs3">import SMESH_mechanic</p>
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<p class="whs3"> </p>
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<p class="whs3">mesh =
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SMESH_mechanic.mesh</p>
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<p class="whs3">salome = SMESH_mechanic.salome</p>
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<p class="whs4"> </p>
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<p class="whs4"># translate a mesh</p>
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<p class="whs3">anEditor = mesh.GetMeshEditor()</p>
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<p class="whs3">point = SMESH.PointStruct(-150, -150,
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0)</p>
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<p class="whs3">vector = SMESH.DirStruct(point) </p>
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<p class="whs3">anEditor.TranslateObject(mesh, vector,
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1)</p>
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<p class="whs4"> </p>
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<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
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</p>
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<p class="whs4"> </p>
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<h4 class="whs2"><a name=bookmark1>Rotation</a></h4>
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<p class="whs3"> </p>
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<p class="whs3">import SMESH</p>
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<p class="whs3">import SMESH_mechanic</p>
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<p class="whs3"> </p>
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2006-05-06 14:51:48 +06:00
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<p class="whs3">import math</p>
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2005-11-28 14:57:47 +05:00
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<p class="whs3">mesh =
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SMESH_mechanic.mesh</p>
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<p class="whs3">salome = SMESH_mechanic.salome</p>
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<p class="whs4"> </p>
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<p class="whs4"># rotate a mesh </p>
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<p class="whs3">anEditor = mesh.GetMeshEditor()</p>
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<p class="whs3">axisXYZ = SMESH.AxisStruct(0, 0, 0, 5,
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5, 20)</p>
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<p class="whs3">angle180 = 1.5*math.pi</p>
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<p class="whs3">anEditor.RotateObject(mesh, axisXYZ, angle180,
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1)</p>
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<p class="whs3"> </p>
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<p class="whs5">salome.sg.updateObjBrowser(1)</p>
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<p class="whs4"> </p>
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<p class="whs4"> </p>
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<h4 class="whs2"><a name=bookmark2>Symmetry</a></h4>
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<p class="whs3"> </p>
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<p class="whs3">import SMESH</p>
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<p class="whs3">import SMESH_mechanic</p>
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<p class="whs3"> </p>
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<p class="whs3">import math</p>
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<p class="whs3">mesh =
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SMESH_mechanic.mesh</p>
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<p class="whs3">salome = SMESH_mechanic.salome</p>
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<p class="whs4"> </p>
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<p class="whs4"># create a symmetrical
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copy of the mesh mirrored through a point</p>
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<p class="whs3">anEditor = mesh.GetMeshEditor()</p>
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<p class="whs3">anEditor.MirrorObject(mesh, SMESH.AxisStruct(0,
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0, 0, 0, 0, 0), SMESH.SMESH_MeshEditor.POINT, 1) </p>
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<p class="whs3"> </p>
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<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
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</p>
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<p class="whs4"> </p>
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<p class="whs4"> </p>
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<h4 class="whs2"><a name=bookmark3>Merging
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Nodes</a></h4>
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<p class="whs3"> </p>
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<p class="whs3">import SMESH</p>
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<p class="whs3">import SMESH_mechanic</p>
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<p class="whs3"> </p>
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<p class="whs3">smesh =
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SMESH_mechanic.smesh</p>
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<p class="whs3">mesh =
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SMESH_mechanic.mesh</p>
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<p class="whs3">salome = SMESH_mechanic.salome</p>
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<p class="whs4"> </p>
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<p class="whs4"># merge nodes</p>
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<p class="whs3">aMeshEditor = mesh.GetMeshEditor()</p>
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<p class="whs3">Tolerance = 25.0</p>
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<p class="whs3"> </p>
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<p class="whs3">GroupsOfNodes = aMeshEditor.FindCoincidentNodes(Tolerance)</p>
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<p class="whs3">aMeshEditor.MergeNodes(GroupsOfNodes)</p>
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<p class="whs3"> </p>
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<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
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</p>
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<p class="whs4"> </p>
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2006-05-06 14:51:48 +06:00
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<h4><a name=bookmark8>Merging Elements</a></h4>
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<p class="whs5">import geompy</p>
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<p class="whs5">import smesh</p>
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<p class="whs5">import salome</p>
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<p class="whs5">import SMESH</p>
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<p class="whs4"> </p>
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<p class="whs4"># create a face to be meshed</p>
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<p class="whs5">px = geompy.MakeVertex(100.,
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0. , 0.
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)</p>
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<p class="whs5">py = geompy.MakeVertex(0.
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, 100.,
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0. )</p>
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<p class="whs5">pz = geompy.MakeVertex(0.
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, 0. ,
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100.)</p>
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<p class="whs5"> </p>
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<p class="whs5">vxy = geompy.MakeVector(px,
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py)</p>
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<p class="whs5">arc = geompy.MakeArc(py,
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pz, px)</p>
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<p class="whs5"> </p>
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<p class="whs5">wire = geompy.MakeWire([vxy,
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arc])</p>
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<p class="whs5">isPlanarFace = 1</p>
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<p class="whs5"> </p>
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<p class="whs5">face1 = geompy.MakeFace(wire,
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isPlanarFace)</p>
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<p class="whs5">id_face1 = geompy.addToStudy(face1,
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"Face1")</p>
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<p class="whs4"> </p>
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<p class="whs4"># create a 2D mesh on the
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face</p>
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<p class="whs5">trias = smesh.Mesh(face1,
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"Face : 2D mesh")</p>
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<p class="whs5"> </p>
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<p class="whs5">algo = trias.Segment()</p>
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<p class="whs5">algo.NumberOfSegments(6)</p>
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<p class="whs5"> </p>
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<p class="whs5">algo = trias.Triangle()</p>
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<p class="whs5">algo.LengthFromEdges()</p>
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<p class="whs5"> </p>
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<p class="whs5">trias.Compute()</p>
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<p class="whs5"> </p>
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<p class="whs5">tri_mesh = trias.GetMesh()</p>
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<p class="whs4"> </p>
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<p class="whs4"># create a path mesh</p>
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<p class="whs5">px1 = geompy.MakeVertex(100.,
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100. ,
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0. )</p>
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<p class="whs5">py1 = geompy.MakeVertex(-100.
|
|
|
|
|
, -100.,
|
|
|
|
|
0. )</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">pz1 = geompy.MakeVertex(0.
|
|
|
|
|
, 0. ,
|
|
|
|
|
50.)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">circle = geompy.MakeCircleThreePnt(py1,
|
|
|
|
|
pz1, px1)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">id_circle = geompy.addToStudy(circle,
|
|
|
|
|
"Path")</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">circlemesh = smesh.Mesh(circle,
|
|
|
|
|
"Path mesh")</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo = circlemesh.Segment()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo.NumberOfSegments(10)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">circlemesh.Compute()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># extrusion of the mesh</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">aMeshEditor = tri_mesh.GetMeshEditor()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">aMeshEditor.ExtrusionAlongPathObject(tri_mesh,
|
|
|
|
|
circlemesh.GetMesh(), circle, 1, 0, [], 0, SMESH.PointStruct(0, 0, 0))</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># merge nodes</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Number
|
|
|
|
|
of nodes before MergeNodes:", tri_mesh.NbNodes()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">tolerance = 0.001</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">array_of_nodes_groups
|
|
|
|
|
= aMeshEditor.FindCoincidentNodes(tolerance)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">aMeshEditor.MergeNodes(array_of_nodes_groups)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Number
|
|
|
|
|
of nodes after MergeNodes:", tri_mesh.NbNodes()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print ""</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Number
|
|
|
|
|
of elements before MergeEqualElements:"</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Edges
|
|
|
|
|
:
|
|
|
|
|
", tri_mesh.NbEdges()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Triangles
|
|
|
|
|
: ",
|
|
|
|
|
tri_mesh.NbTriangles()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Quadrangles:
|
|
|
|
|
", tri_mesh.NbQuadrangles()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Volumes
|
|
|
|
|
:
|
|
|
|
|
", tri_mesh.NbVolumes()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># merge elements</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">aMeshEditor.MergeEqualElements()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Number
|
|
|
|
|
of elements after MergeEqualElements:"</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Edges
|
|
|
|
|
:
|
|
|
|
|
", tri_mesh.NbEdges()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Triangles
|
|
|
|
|
: ",
|
|
|
|
|
tri_mesh.NbTriangles()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Quadrangles:
|
|
|
|
|
", tri_mesh.NbQuadrangles()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">print "Volumes
|
|
|
|
|
:
|
|
|
|
|
", tri_mesh.NbVolumes()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
|
|
|
|
|
</p>
|
|
|
|
|
|
2005-11-28 14:57:47 +05:00
|
|
|
<h3>Sewing Meshes</h3>
|
|
|
|
|
|
|
|
|
|
<h4><a name=bookmark4>Sew Meshes Border to Border</a></h4>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">import salome</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">import geompy</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">import smesh</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># create two faces of a
|
|
|
|
|
box</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">box1 = geompy.MakeBox(0.,
|
|
|
|
|
0., -10., 30., 20., 25.)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">subShapeList1 =
|
|
|
|
|
geompy.SubShapeAll(box1, geompy.ShapeType["FACE"])</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">box2 = geompy.MakeBox(0.,
|
|
|
|
|
5., 0., 20., 20., 15.)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">subShapeList2 =
|
|
|
|
|
geompy.SubShapeAll(box2, geompy.ShapeType["FACE"])</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">EdgesList = geompy.SubShapeAll(subShapeList2[
|
|
|
|
|
1 ], geompy.ShapeType["EDGE"])</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">aComp = geompy.MakeCompound(
|
|
|
|
|
[subShapeList1[ 2 ], subShapeList2[ 1 ]] )</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">idComp = geompy.addToStudy(
|
|
|
|
|
aComp, "Two faces" )</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">aCompobj =
|
|
|
|
|
salome.IDToObject( idComp )</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># create a mesh on two
|
|
|
|
|
faces</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">mesh = smesh.Mesh(aCompobj,
|
|
|
|
|
"Two faces : quadrangle mesh")</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo = mesh.Segment()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># define "NumberOfSegments"
|
|
|
|
|
hypothesis to cut an edge in a fixed number of segments</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo.NumberOfSegments(9)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># create a quadrangle 2D
|
|
|
|
|
algorithm for faces</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">mesh.Quadrangle()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># create a local hypothesis</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo = mesh.Segment(EdgesList[2])</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># define "Arithmetic1D"
|
|
|
|
|
hypothesis to cut an edge in several segments with increasing arithmetic
|
|
|
|
|
length </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo.Arithmetic1D(1,
|
|
|
|
|
4)</p>
|
|
|
|
|
|
|
|
|
|
<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">algo.Propagation()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">mesh.Compute()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># sew free borders</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">anEditor = mesh.GetMesh().GetMeshEditor()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">anEditor.SewBorderToSide(5,
|
|
|
|
|
45, 6, 113, 109, 0, 0)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<h4><a name=bookmark5>Sew Conform Free Borders</a></h4>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">import salome</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">import geompy</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">import smesh</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># create two faces of the
|
|
|
|
|
box</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">box1 = geompy.MakeBox(0.,
|
|
|
|
|
0., -10., 20., 20., 15.)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">subShapeList1 =
|
|
|
|
|
geompy.SubShapeAll(box1, geompy.ShapeType["FACE"])</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">box2 = geompy.MakeBox(0.,
|
|
|
|
|
5., 0., 20., 20., 15.)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">subShapeList2 =
|
|
|
|
|
geompy.SubShapeAll(box2, geompy.ShapeType["FACE"])</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">EdgesList = geompy.SubShapeAll(subShapeList2[
|
|
|
|
|
1 ], geompy.ShapeType["EDGE"])</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">aComp = geompy.MakeCompound(
|
|
|
|
|
[subShapeList1[ 2 ], subShapeList2[ 1 ]] )</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">idComp = geompy.addToStudy(
|
|
|
|
|
aComp, "Two faces" )</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">aCompobj =
|
|
|
|
|
salome.IDToObject( idComp )</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># create a mesh on two
|
|
|
|
|
faces</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">mesh = smesh.Mesh(aCompobj,
|
|
|
|
|
"Two faces : quadrangle mesh")</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo = mesh.Segment()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># define "NumberOfSegments"
|
|
|
|
|
hypothesis to cut an edge in a fixed number of segments</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo.NumberOfSegments(9)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># create a quadrangle 2D
|
|
|
|
|
algorithm for faces</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">mesh.Quadrangle()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># create a local hypothesis</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo = mesh.Segment(EdgesList[2])</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># define "Arithmetic1D"
|
|
|
|
|
hypothesis to cut an edge in several segments with increasing arithmetic
|
|
|
|
|
length </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo.Arithmetic1D(1,
|
|
|
|
|
4)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># define "Propagation"
|
|
|
|
|
hypothesis that propagate all other hypothesis on all edges on<span style="margin-top: 0pt; margin-bottom: 0pt;">
|
|
|
|
|
the opposite side in case of quadrangular faces</span></p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">algo.Propagation()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">mesh.Compute()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"># sew free borders</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">anEditor = mesh.GetMesh().GetMeshEditor()</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">anEditor.SewConformFreeBorders(5,
|
|
|
|
|
45, 6, 3, 24)</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs4"> </p>
|
|
|
|
|
|
|
|
|
|
<h4><a name=bookmark6>Sew Free Borders</a></h4>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">import salome</p>
|
|
|
|
|
|
|
|
|
|
<p class="whs5">import geompy</p>
|
|
|
|
|
|
|
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|
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<p class="whs5">import smesh</p>
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<p class="whs4"> </p>
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<p class="whs4"># create two faces of the
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box</p>
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<p class="whs5">box1 = geompy.MakeBox(0.,
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0., 0., 20., 20., 15.)</p>
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<p class="whs5">subShapeList1 =
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geompy.SubShapeAll(box1, geompy.ShapeType["FACE"])</p>
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<p class="whs4"> </p>
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<p class="whs5">box2 = geompy.MakeBox(0.,
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5., 0., 20., 20., 15.)</p>
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<p class="whs5">subShapeList2 =
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geompy.SubShapeAll(box2, geompy.ShapeType["FACE"])</p>
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<p class="whs5">EdgesList = geompy.SubShapeAll(subShapeList2[
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1 ], geompy.ShapeType["EDGE"])</p>
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<p class="whs5"> </p>
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<p class="whs5">aComp = geompy.MakeCompound(
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[subShapeList1[ 2 ], subShapeList2[ 1 ]] )</p>
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<p class="whs5">idComp = geompy.addToStudy(
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aComp, "Two faces" )</p>
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<p class="whs5">aCompobj =
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salome.IDToObject( idComp )</p>
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<p class="whs5"> </p>
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<p class="whs4"># create a mesh on two
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faces</p>
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<p class="whs5">mesh = smesh.Mesh(aCompobj,
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"Two faces : quadrangle mesh")</p>
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<p class="whs5">algo = mesh.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 an edge in a fixed number of segments</p>
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<p class="whs5">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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2D algorithm for faces</p>
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<p class="whs5">mesh.Quadrangle()</p>
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<p class="whs4"> </p>
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<p class="whs4"># create a local hypothesis</p>
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<p class="whs5">algo = mesh.Segment(EdgesList[2])</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
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arithmetic length</p>
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<p class="whs5">algo.Arithmetic1D(1,
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4)</p>
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<p class="whs4"> </p>
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<p class="whs4"># define "Propagation"
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hypothesis that propagate all other hypothesis on all edges on<span style="margin-top: 0pt; margin-bottom: 0pt;">
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the opposite side in case of quadrangular faces</span></p>
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<p class="whs5">algo.Propagation()</p>
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<p class="whs5">mesh.Compute()</p>
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<p class="whs4"> </p>
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<p class="whs4"># sew free borders</p>
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<p class="whs5">anEditor = mesh.GetMesh().GetMeshEditor()</p>
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<p class="whs5">anEditor.SewFreeBorders(6,
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21, 5, 1, 12, 3, 0, 0)</p>
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<p class="whs5"> </p>
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<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
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</p>
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<p class="whs4"> </p>
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<h4><a name=bookmark7>Sew Side Elements</a></h4>
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<p class="whs5">import salome</p>
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<p class="whs5">import geompy</p>
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<p class="whs5">import smesh</p>
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<p class="whs5"> </p>
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<p class="whs4"># create two faces of the
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box</p>
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<p class="whs5">box1 = geompy.MakeBox(0.,
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0., 0.,
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10., 10., 10.)</p>
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<p class="whs5">box2 = geompy.MakeBox(0.,
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15., 0., 20., 25., 10.)</p>
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<p class="whs5">EdgesList = geompy.SubShapeAll(box2,
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geompy.ShapeType["EDGE"])</p>
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<p class="whs4"> </p>
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<p class="whs5">aComp = geompy.MakeCompound(
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[box1, box2] )</p>
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<p class="whs5">idComp = geompy.addToStudy(
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aComp, "Two faces" )</p>
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<p class="whs5">aCompobj =
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salome.IDToObject( idComp )</p>
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<p class="whs5"> </p>
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<p class="whs4"># create a mesh on two
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faces</p>
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<p class="whs5">mesh = smesh.Mesh(aCompobj,
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"Two faces : quadrangle mesh")</p>
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<p class="whs5">algo = mesh.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 an edge in a fixed number of segments</p>
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<p class="whs5">algo.NumberOfSegments(2)</p>
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<p class="whs4"> </p>
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<p class="whs4"># create a quadrangle 2D
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algorithm for faces</p>
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<p class="whs5">mesh.Quadrangle()</p>
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<p class="whs4"> </p>
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<p class="whs4"># create a local hypothesis</p>
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<p class="whs5">algo = mesh.Segment(EdgesList[8])</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">algo.NumberOfSegments(4)</p>
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<p class="whs4"> </p>
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<p class="whs4"># define "Propagation"
|
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hypothesis that propagates all other hypothesis on all edges on <span
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style="margin-top: 0pt; margin-bottom: 0pt;">the opposite side in case
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of quadrangular faces</span></p>
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<p class="whs5">algo.Propagation()</p>
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<p class="whs5">mesh.Compute()</p>
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<p class="whs4"> </p>
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<p class="whs4"># sew free borders</p>
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<p class="whs5">anEditor = mesh.GetMesh().GetMeshEditor()</p>
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<p class="whs5">anEditor.SewSideElements([69,
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70, 71, 72], [91, 92, 89, 90], 8, 38, 23, 58)</p>
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<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">salome.sg.updateObjBrowser(1)</span>
|
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|
</p>
|
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<script type="text/javascript" language="javascript1.2">
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<!--
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if (window.writeIntopicBar)
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writeIntopicBar(0);
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//-->
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</script>
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</body>
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</html>
|
