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-<h1>Transforming Meshes</h1>\r
-\r
-<h3 class="whs1">Transforming Meshes</h3>\r
-\r
-<h4 class="whs2"> </h4>\r
-\r
-<h4 class="whs2"><a name=bookmark>Translation</a></h4>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs4"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B># \r
- Attention! This script has been written using the old approach basing \r
- on direct usage of SMESH idl interface.</B></font></span></p>\r
-\r
-<p class="whs4"># For the moment smesh package doesn't provide \r
- methods to translate meshes. </p>\r
-\r
-<p class="whs4"># In the next SALOME version the scripts will \r
- be updated to use only the commands from smesh package.</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">import SMESH</p>\r
-\r
-<p class="whs5">import SMESH_mechanic</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">mesh = SMESH_mechanic.mesh</p>\r
-\r
-<p class="whs5">anEditor = mesh.GetMeshEditor()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># define translation \r
- vector</p>\r
-\r
-<p class="whs5">point = SMESH.PointStruct(-150., \r
- -150., 0.)</p>\r
-\r
-<p class="whs5">vector = SMESH.DirStruct(point)</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># translate a mesh</p>\r
-\r
-<p class="whs5">doCopy = 1</p>\r
-\r
-<p class="whs5">anEditor.TranslateObject(mesh, \r
- vector, doCopy) </p>\r
-\r
-<p class="whs7"> </p>\r
-\r
-<h4 class="whs2"><a name=bookmark1>Rotation</a></h4>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs4"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B># \r
- Attention! This script has been written using the old approach basing \r
- on direct usage of SMESH idl interface.</B></font></span></p>\r
-\r
-<p class="whs4"># For the moment smesh package doesn't provide \r
- methods to rotate meshes. </p>\r
-\r
-<p class="whs4"># In the next SALOME version the scripts will \r
- be updated to use only the commands from smesh package.</p>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs3">import math</p>\r
-\r
-<p class="whs3">import SMESH</p>\r
-\r
-<p class="whs3">import SMESH_mechanic</p>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs3">mesh = SMESH_mechanic.mesh</p>\r
-\r
-<p class="whs3">anEditor = mesh.GetMeshEditor()</p>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs6"># define rotation axis \r
- and angle</p>\r
-\r
-<p class="whs3">axisXYZ = SMESH.AxisStruct(0., 0., 0., \r
- 5., 5., 20.)</p>\r
-\r
-<p class="whs3">angle270 = 1.5 * math.pi</p>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs6"># rotate a mesh</p>\r
-\r
-<p class="whs3">anEditor.RotateObject(mesh, axisXYZ, angle270, \r
- 1) </p>\r
-\r
-<p class="whs7"> </p>\r
-\r
-<h4 class="whs2"><a name=bookmark2>Symmetry</a></h4>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs4"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B># \r
- Attention! This script has been written using the old approach basing \r
- on direct usage of SMESH idl interface.</B></font></span></p>\r
-\r
-<p class="whs4"># For the moment smesh package doesn't provide \r
- methods to create symmetrical copies of meshes. </p>\r
-\r
-<p class="whs4"># In the next SALOME version the scripts will \r
- be updated to use only the commands from smesh package.</p>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs3">import math</p>\r
-\r
-<p class="whs3">import SMESH</p>\r
-\r
-<p class="whs3">import SMESH_mechanic</p>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs3">mesh = SMESH_mechanic.mesh</p>\r
-\r
-<p class="whs3">anEditor = mesh.GetMeshEditor()</p>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs6"># create a symmetrical \r
- copy of the mesh mirrored through a point</p>\r
-\r
-<p class="whs3">axis = SMESH.AxisStruct(0, 0, 0, 0, 0, \r
- 0)</p>\r
-\r
-<p class="whs3">anEditor.MirrorObject(mesh, axis, SMESH.SMESH_MeshEditor.POINT, \r
- 1) </p>\r
-\r
-<p class="whs7"> </p>\r
-\r
-<h4 class="whs2"><a name=bookmark3>Merging \r
- Nodes</a></h4>\r
-\r
-<p class="whs3"> </p>\r
-\r
-<p class="whs4"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B># \r
- Attention! This script has been written using the old approach basing \r
- on direct usage of SMESH idl interface.</B></font></span></p>\r
-\r
-<p class="whs4"># For the moment smesh package doesn't provide \r
- methods to merge nodes. </p>\r
-\r
-<p class="whs4"># In the next SALOME version the scripts will \r
- be updated to use only the commands from smesh package.</p>\r
-\r
-<p class="whs6"> </p>\r
-\r
-<p class="whs5">import SMESH_mechanic</p>\r
-\r
-<p class="whs5">mesh = SMESH_mechanic.mesh</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">aMeshEditor = mesh.GetMeshEditor()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># merge nodes</p>\r
-\r
-<p class="whs5">Tolerance = 25.0</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">GroupsOfNodes = \r
- aMeshEditor.FindCoincidentNodes(Tolerance)</p>\r
-\r
-<p class="whs7"><span style="font-family: 'Lucida Console', monospace;">aMeshEditor.MergeNodes(GroupsOfNodes)</span> \r
- </p>\r
-\r
-<p class="whs7"> </p>\r
-\r
-<h4><a name=bookmark8>Merging Elements</a></h4>\r
-\r
-<p class="whs4"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B># \r
- Attention! This script has been written using the old approach basing \r
- on direct usage of SMESH idl interface.</B></font></span></p>\r
-\r
-<p class="whs4"># For the moment smesh package doesn't provide \r
- methods to merge elements. </p>\r
-\r
-<p class="whs4"># In the next SALOME version the scripts will \r
- be updated to use only the commands from smesh package.</p>\r
-\r
-<p class="whs6"> </p>\r
-\r
-<p class="whs5">import salome</p>\r
-\r
-<p class="whs5">import geompy</p>\r
-\r
-<p class="whs5">import smesh</p>\r
-\r
-<p class="whs5">import SMESH</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create a face to \r
- be meshed</p>\r
-\r
-<p class="whs5">px = geompy.MakeVertex(100., \r
- 0. , 0. \r
- )</p>\r
-\r
-<p class="whs5">py = geompy.MakeVertex(0. \r
- , 100., \r
- 0. )</p>\r
-\r
-<p class="whs5">pz = geompy.MakeVertex(0. \r
- , 0. , \r
- 100.)</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">vxy = geompy.MakeVector(px, \r
- py)</p>\r
-\r
-<p class="whs5">arc = geompy.MakeArc(py, \r
- pz, px)</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">wire = geompy.MakeWire([vxy, \r
- arc])</p>\r
-\r
-<p class="whs5">isPlanarFace = 1</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">face1 = geompy.MakeFace(wire, \r
- isPlanarFace)</p>\r
-\r
-<p class="whs5">id_face1 = geompy.addToStudy(face1, \r
- "Face1")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create a circle to \r
- be an extrusion path</p>\r
-\r
-<p class="whs5">px1 = geompy.MakeVertex( \r
- 100., 100., \r
- 0.)</p>\r
-\r
-<p class="whs5">py1 = geompy.MakeVertex(-100., \r
- -100., 0.)</p>\r
-\r
-<p class="whs5">pz1 = geompy.MakeVertex( \r
- 0., \r
- 0., \r
- 50.)</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">circle = geompy.MakeCircleThreePnt(py1, \r
- pz1, px1)</p>\r
-\r
-<p class="whs5">id_circle = geompy.addToStudy(circle, \r
- "Path")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create a 2D mesh \r
- on the face</p>\r
-\r
-<p class="whs5">trias = smesh.Mesh(face1, \r
- "Face : 2D mesh")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">algo1D = trias.Segment()</p>\r
-\r
-<p class="whs5">algo1D.NumberOfSegments(6)</p>\r
-\r
-<p class="whs5">algo2D = trias.Triangle()</p>\r
-\r
-<p class="whs5">algo2D.LengthFromEdges()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">trias.Compute()</p>\r
-\r
-<p class="whs5">tri_mesh = trias.GetMesh()</p>\r
-\r
-<p class="whs6"> </p>\r
-\r
-<p class="whs6"># create a path mesh</p>\r
-\r
-<p class="whs5">circlemesh = smesh.Mesh(circle, \r
- "Path mesh")</p>\r
-\r
-<p class="whs5">algo = circlemesh.Segment()</p>\r
-\r
-<p class="whs5">algo.NumberOfSegments(10)</p>\r
-\r
-<p class="whs5">circlemesh.Compute()</p>\r
-\r
-<p class="whs6"> </p>\r
-\r
-<p class="whs6"># extrusion of the \r
- mesh</p>\r
-\r
-<p class="whs5">aMeshEditor = tri_mesh.GetMeshEditor()</p>\r
-\r
-<p class="whs5">aMeshEditor.ExtrusionAlongPathObject(tri_mesh, \r
- circlemesh.GetMesh(), circle,</p>\r
-\r
-<p class="whs5"> 1, \r
- 0, [], 0, SMESH.PointStruct(0, 0, 0))</p>\r
-\r
-<p class="whs6"># merge nodes</p>\r
-\r
-<p class="whs5">print "Number \r
- of nodes before MergeNodes:", tri_mesh.NbNodes()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">tolerance = 0.001</p>\r
-\r
-<p class="whs5">array_of_nodes_groups \r
- = aMeshEditor.FindCoincidentNodes(tolerance)</p>\r
-\r
-<p class="whs5">aMeshEditor.MergeNodes(array_of_nodes_groups)</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">print "Number \r
- of nodes after MergeNodes:", tri_mesh.NbNodes()</p>\r
-\r
-<p class="whs5">print ""</p>\r
-\r
-<p class="whs5">print "Number \r
- of elements before MergeEqualElements:"</p>\r
-\r
-<p class="whs5">print "Edges \r
- : \r
- ", tri_mesh.NbEdges()</p>\r
-\r
-<p class="whs5">print "Triangles \r
- : ", \r
- tri_mesh.NbTriangles()</p>\r
-\r
-<p class="whs5">print "Quadrangles: \r
- ", tri_mesh.NbQuadrangles()</p>\r
-\r
-<p class="whs5">print "Volumes \r
- : \r
- ", tri_mesh.NbVolumes()</p>\r
-\r
-<p class="whs6"> </p>\r
-\r
-<p class="whs6"># merge elements</p>\r
-\r
-<p class="whs5">aMeshEditor.MergeEqualElements()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">print "Number \r
- of elements after MergeEqualElements:"</p>\r
-\r
-<p class="whs5">print "Edges \r
- : \r
- ", tri_mesh.NbEdges()</p>\r
-\r
-<p class="whs5">print "Triangles \r
- : ", \r
- tri_mesh.NbTriangles()</p>\r
-\r
-<p class="whs5">print "Quadrangles: \r
- ", tri_mesh.NbQuadrangles()</p>\r
-\r
-<p class="whs5">print "Volumes \r
- : \r
- ", tri_mesh.NbVolumes()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">salome.sg.updateObjBrowser(1) \r
- </p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<h3>Sewing Meshes</h3>\r
-\r
-<h4><a name=bookmark4>Sew Meshes Border to Border</a></h4>\r
-\r
-<p class="whs4"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B># \r
- Attention! This script has been written using the old approach basing \r
- on direct usage of SMESH idl interface.</B></font></span></p>\r
-\r
-<p class="whs4"># For the moment smesh package doesn't provide \r
- methods to sew meshes border to border. </p>\r
-\r
-<p class="whs4"># In the next SALOME version the scripts will \r
- be updated to use only the commands from smesh package.</p>\r
-\r
-<p class="whs7"> </p>\r
-\r
-<p class="whs5">import geompy</p>\r
-\r
-<p class="whs5">import smesh</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create two faces \r
- of a box</p>\r
-\r
-<p class="whs5">box1 = geompy.MakeBox(0., \r
- 0., -10., 30., 20., 25.)</p>\r
-\r
-<p class="whs5">facesList1 = geompy.SubShapeAll(box1, \r
- geompy.ShapeType["FACE"])</p>\r
-\r
-<p class="whs5">face1 = facesList1[2]</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">box2 = geompy.MakeBox(0., \r
- 5., 0., 20., 20., 15.)</p>\r
-\r
-<p class="whs5">facesList2 = geompy.SubShapeAll(box2, \r
- geompy.ShapeType["FACE"])</p>\r
-\r
-<p class="whs5">face2 = facesList2[1]</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">edgesList = geompy.SubShapeAll(face2, \r
- geompy.ShapeType["EDGE"])</p>\r
-\r
-<p class="whs5">edge1 = edgesList[2]</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">aComp = geompy.MakeCompound([face1, \r
- face2])</p>\r
-\r
-<p class="whs5">geompy.addToStudy(aComp, \r
- "Two faces")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create a mesh on \r
- two faces</p>\r
-\r
-<p class="whs5">mesh = smesh.Mesh(aComp, \r
- "Two faces : quadrangle mesh")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">algo1D = mesh.Segment()</p>\r
-\r
-<p class="whs5">algo1D.NumberOfSegments(9)</p>\r
-\r
-<p class="whs5">algo2D = mesh.Quadrangle()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">algo_local = mesh.Segment(edge1)</p>\r
-\r
-<p class="whs5">algo_local.Arithmetic1D(1, \r
- 4)</p>\r
-\r
-<p class="whs5">algo_local.Propagation()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">mesh.Compute()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">anEditor = mesh.GetMesh().GetMeshEditor()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># sew border to side</p>\r
-\r
-<p class="whs6"># FirstNodeIDOnFreeBorder, \r
- SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,</p>\r
-\r
-<p class="whs6"># FirstNodeIDOnSide, \r
- LastNodeIDOnSide,</p>\r
-\r
-<p class="whs6"># CreatePolygons, CreatePolyedrs</p>\r
-\r
-<p class="whs5">anEditor.SewBorderToSide(5, \r
- 45, 6, 113, 109, 0, 0) </p>\r
-\r
-<h4><a name=bookmark5>Sew Conform Free Borders</a></h4>\r
-\r
-<p class="whs4"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B># \r
- Attention! This script has been written using the old approach basing \r
- on direct usage of SMESH idl interface.</B></font></span></p>\r
-\r
-<p class="whs4"># For the moment smesh package doesn't provide \r
- methods to sew conform free borders. </p>\r
-\r
-<p class="whs4"># In the next SALOME version the scripts will \r
- be updated to use only the commands from smesh package.</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">import geompy</p>\r
-\r
-<p class="whs5">import smesh</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create two faces \r
- of the box</p>\r
-\r
-<p class="whs5">box1 = geompy.MakeBox(0., \r
- 0., -10., 20., 20., 15.)</p>\r
-\r
-<p class="whs5">facesList1 = geompy.SubShapeAll(box1, \r
- geompy.ShapeType["FACE"])</p>\r
-\r
-<p class="whs5">face1 = facesList1[2]</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">box2 = geompy.MakeBox(0., \r
- 5., 0., 20., 20., 15.)</p>\r
-\r
-<p class="whs5">facesList2 = geompy.SubShapeAll(box2, \r
- geompy.ShapeType["FACE"])</p>\r
-\r
-<p class="whs5">face2 = facesList2[1]</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">edgesList = geompy.SubShapeAll(face2, \r
- geompy.ShapeType["EDGE"])</p>\r
-\r
-<p class="whs5">edge1 = edgesList[2]</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">aComp = geompy.MakeCompound([face1, \r
- face2])</p>\r
-\r
-<p class="whs5">geompy.addToStudy(aComp, \r
- "Two faces")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create a mesh on \r
- two faces</p>\r
-\r
-<p class="whs5">mesh = smesh.Mesh(aComp, \r
- "Two faces : quadrangle mesh")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">algo1D = mesh.Segment()</p>\r
-\r
-<p class="whs5">algo1D.NumberOfSegments(9)</p>\r
-\r
-<p class="whs5">algo2D = mesh.Quadrangle()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">algo_local = mesh.Segment(edge1)</p>\r
-\r
-<p class="whs5">algo_local.Arithmetic1D(1, \r
- 4)</p>\r
-\r
-<p class="whs5">algo_local.Propagation()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">mesh.Compute()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">anEditor = mesh.GetMesh().GetMeshEditor()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># sew conform free \r
- borders</p>\r
-\r
-<p class="whs6"># FirstNodeID1, SecondNodeID1, \r
- LastNodeID1, FirstNodeID2, SecondNodeID2</p>\r
-\r
-<p class="whs5">anEditor.SewConformFreeBorders(5, \r
- 45, 6, 3, 24) </p>\r
-\r
-<h4><a name=bookmark6>Sew Free Borders</a></h4>\r
-\r
-<p class="whs4"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B># \r
- Attention! This script has been written using the old approach basing \r
- on direct usage of SMESH idl interface.</B></font></span></p>\r
-\r
-<p class="whs4"># For the moment smesh package doesn't provide \r
- methods to sew free borders. </p>\r
-\r
-<p class="whs4"># In the next SALOME version the scripts will \r
- be updated to use only the commands from smesh package.</p>\r
-\r
-<p class="whs7"> </p>\r
-\r
-<p class="whs5">import geompy</p>\r
-\r
-<p class="whs5">import smesh</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create two faces \r
- of the box</p>\r
-\r
-<p class="whs5">box1 = geompy.MakeBox(0., \r
- 0., 0., 20., 20., 15.)</p>\r
-\r
-<p class="whs5">facesList1 = geompy.SubShapeAll(box1, \r
- geompy.ShapeType["FACE"])</p>\r
-\r
-<p class="whs5">face1 = facesList1[2]</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">box2 = geompy.MakeBox(0., \r
- 5., 0., 20., 20., 15.)</p>\r
-\r
-<p class="whs5">facesList2 = geompy.SubShapeAll(box2, \r
- geompy.ShapeType["FACE"])</p>\r
-\r
-<p class="whs5">face2 = facesList2[1]</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">edgesList = geompy.SubShapeAll(face2, \r
- geompy.ShapeType["EDGE"])</p>\r
-\r
-<p class="whs5">edge1 = edgesList[2]</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">aComp = geompy.MakeCompound([face1, \r
- face2])</p>\r
-\r
-<p class="whs5">geompy.addToStudy(aComp, \r
- "Two faces")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create a mesh on \r
- two faces</p>\r
-\r
-<p class="whs5">mesh = smesh.Mesh(aComp, \r
- "Two faces : quadrangle mesh")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">algo1D = mesh.Segment()</p>\r
-\r
-<p class="whs5">algo1D.NumberOfSegments(4)</p>\r
-\r
-<p class="whs5">algo2D = mesh.Quadrangle()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">algo_local = mesh.Segment(edge1)</p>\r
-\r
-<p class="whs5">algo_local.Arithmetic1D(1, \r
- 4)</p>\r
-\r
-<p class="whs5">algo_local.Propagation()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">mesh.Compute()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># sew free borders</p>\r
-\r
-<p class="whs6"># FirstNodeID1, SecondNodeID1, \r
- LastNodeID1,</p>\r
-\r
-<p class="whs6"># FirstNodeID2, SecondNodeID2, \r
- LastNodeID2, CreatePolygons, CreatePolyedrs</p>\r
-\r
-<p class="whs5">anEditor = mesh.GetMesh().GetMeshEditor()</p>\r
-\r
-<p class="whs7"><span style="font-family: 'Lucida Console', monospace;">anEditor.SewFreeBorders(6, \r
- 21, 5, 1, 12, 3, 0, 0)</span> </p>\r
-\r
-<h4><a name=bookmark7>Sew Side Elements</a></h4>\r
-\r
-<p class="whs4"><span style="font-weight: bold; color: #ff0000;"><font color=red ><B># \r
- Attention! This script has been written using the old approach basing \r
- on direct usage of SMESH idl interface.</B></font></span></p>\r
-\r
-<p class="whs4"># For the moment smesh package doesn't provide \r
- methods to sew side elements. </p>\r
-\r
-<p class="whs4"># In the next SALOME version the scripts will \r
- be updated to use only the commands from smesh package.</p>\r
-\r
-<p class="whs5">import geompy</p>\r
-\r
-<p class="whs5">import smesh</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create two boxes</p>\r
-\r
-<p class="whs5">box1 = geompy.MakeBox(0., \r
- 0., 0., \r
- 10., 10., 10.)</p>\r
-\r
-<p class="whs5">box2 = geompy.MakeBox(0., \r
- 15., 0., 20., 25., 10.)</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">EdgesList = geompy.SubShapeAll(box2, \r
- geompy.ShapeType["EDGE"])</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">aComp = geompy.MakeCompound([box1, \r
- box2])</p>\r
-\r
-<p class="whs5">geompy.addToStudy(aComp, \r
- "Two boxes")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># create a mesh on \r
- two boxes</p>\r
-\r
-<p class="whs5">mesh = smesh.Mesh(aComp, \r
- "Two faces : quadrangle mesh")</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">algo1D = mesh.Segment()</p>\r
-\r
-<p class="whs5">algo1D.NumberOfSegments(2)</p>\r
-\r
-<p class="whs5">algo2D = mesh.Quadrangle()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">algo_local = mesh.Segment(EdgesList[8])</p>\r
-\r
-<p class="whs5">algo_local.NumberOfSegments(4)</p>\r
-\r
-<p class="whs5">algo_local.Propagation()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">mesh.Compute()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs5">anEditor = mesh.GetMesh().GetMeshEditor()</p>\r
-\r
-<p class="whs5"> </p>\r
-\r
-<p class="whs6"># sew side elements</p>\r
-\r
-<p class="whs6"># IDsOfSide1Elements, \r
- IDsOfSide2Elements,</p>\r
-\r
-<p class="whs6"># NodeID1OfSide1ToMerge, \r
- NodeID1OfSide2ToMerge, NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge</p>\r
-\r
-<p class="whs5">anEditor.SewSideElements([69, \r
- 70, 71, 72], [91, 92, 89, 90], 8, 38, 23, 58)</p>\r
-\r
-<script type="text/javascript" language="javascript1.2">\r
-<!--\r
-if (window.writeIntopicBar)\r
- writeIntopicBar(0);\r
-//-->\r
-</script>\r
-</body>\r
-</html>\r
+<!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">
+
+<html>
+
+<head>
+<title>Transforming Meshes</title>
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+<!--
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+ writeIntopicBar(4);
+//-->
+</script>
+<h1>Transforming Meshes</h1>
+
+<h3 class="whs1">Transforming Meshes</h3>
+
+<h4 class="whs2"> </h4>
+
+<h4 class="whs2"><a name=bookmark>Translation</a></h4>
+
+<p class="whs3"> </p>
+
+<p class="whs4">import SMESH_mechanic</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">smesh
+ = SMESH_mechanic.smesh </span></p>
+
+<p class="whs4">mesh = SMESH_mechanic.mesh
+ </p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># define translation
+ vector</p>
+
+<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">point
+ = smesh.PointStruct(-150., -150., 0.)</span></p>
+
+<p class="whs4">vector =smesh.DirStruct(point)
+ </p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># translate a mesh</p>
+
+<p class="whs4">doCopy = 1</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">mesh.Translate([],
+ vector, doCopy) </p>
+
+<p class="whs6"> </p>
+
+<h4 class="whs2"><a name=bookmark1>Rotation</a></h4>
+
+<p class="whs3"> </p>
+
+<p class="whs3">import math</p>
+
+<p class="whs3">import SMESH_mechanic</p>
+
+<p class="whs3"> </p>
+
+<p class="whs3"><span style="font-family: 'Lucida Console', monospace;">smesh
+ = SMESH_mechanic.smesh</span></p>
+
+<p class="whs3">mesh = SMESH_mechanic.mesh </p>
+
+<p class="whs3"> </p>
+
+<p class="whs5"># define rotation axis
+ and angle</p>
+
+<p class="whs3">axisXYZ = smesh.AxisStruct(0., 0., 0.,
+ 5., 5., 20.)</p>
+
+<p class="whs3">angle270 = 1.5 * math.pi</p>
+
+<p class="whs3"> </p>
+
+<p class="whs5"># rotate a mesh</p>
+
+<p class="whs4">mesh.Rotate([],
+ axisXYZ, angle270, 1) </p>
+
+<p class="whs6"> </p>
+
+<h4 class="whs2"><a name=bookmark2>Symmetry</a></h4>
+
+<p class="whs3"> </p>
+
+<p class="whs3">import math</p>
+
+<p class="whs3"> </p>
+
+<p class="whs3">import SMESH_mechanic</p>
+
+<p class="whs3"> </p>
+
+<p class="whs3"><span style="font-family: 'Lucida Console', monospace;">smesh
+ = SMESH_mechanic.smesh</span></p>
+
+<p class="whs3">mesh = SMESH_mechanic.mesh </p>
+
+<p class="whs3"> </p>
+
+<p class="whs5"># create a symmetrical
+ copy of the mesh mirrored through a point</p>
+
+<p class="whs3">axis = SMESH.AxisStruct(0, 0, 0, 0, 0,
+ 0)</p>
+
+<p class="whs3"> </p>
+
+<p class="whs3">mesh.Mirror([], axis, smesh.POINT, 1)
+ </p>
+
+<p class="whs6"> </p>
+
+<h4 class="whs2"><a name=bookmark3>Merging
+ Nodes</a></h4>
+
+<p class="whs3"> </p>
+
+<p class="whs4">import SMESH_mechanic</p>
+
+<p class="whs4">mesh = SMESH_mechanic.mesh</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># merge nodes</p>
+
+<p class="whs4">Tolerance = 25.0</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">GroupsOfNodes =
+ mesh.FindCoincidentNodes(Tolerance)</p>
+
+<p class="whs4">mesh.MergeNodes(GroupsOfNodes)
+ </p>
+
+<p class="whs6"> </p>
+
+<h4><a name=bookmark8>Merging Elements</a></h4>
+
+<p class="whs4">import salome</p>
+
+<p class="whs4">import geompy</p>
+
+<p class="whs4">import smesh</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create a face to
+ be meshed</p>
+
+<p class="whs4">px = geompy.MakeVertex(100.,
+ 0. , 0.
+ )</p>
+
+<p class="whs4">py = geompy.MakeVertex(0.
+ , 100.,
+ 0. )</p>
+
+<p class="whs4">pz = geompy.MakeVertex(0.
+ , 0. ,
+ 100.)</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">vxy = geompy.MakeVector(px,
+ py)</p>
+
+<p class="whs4">arc = geompy.MakeArc(py,
+ pz, px)</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">wire = geompy.MakeWire([vxy,
+ arc])</p>
+
+<p class="whs4">isPlanarFace = 1</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">face1 = geompy.MakeFace(wire,
+ isPlanarFace)</p>
+
+<p class="whs4">id_face1 = geompy.addToStudy(face1,
+ "Face1")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create a circle to
+ be an extrusion path</p>
+
+<p class="whs4">px1 = geompy.MakeVertex(
+ 100., 100.,
+ 0.)</p>
+
+<p class="whs4">py1 = geompy.MakeVertex(-100.,
+ -100., 0.)</p>
+
+<p class="whs4">pz1 = geompy.MakeVertex(
+ 0.,
+ 0.,
+ 50.)</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">circle = geompy.MakeCircleThreePnt(py1,
+ pz1, px1)</p>
+
+<p class="whs4">id_circle = geompy.addToStudy(circle,
+ "Path")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create a 2D mesh
+ on the face</p>
+
+<p class="whs4">trias = smesh.Mesh(face1,
+ "Face : 2D mesh")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">algo1D = trias.Segment()</p>
+
+<p class="whs4">algo1D.NumberOfSegments(6)</p>
+
+<p class="whs4">algo2D = trias.Triangle()</p>
+
+<p class="whs4">algo2D.LengthFromEdges()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">trias.Compute()</p>
+
+<p class="whs5"> </p>
+
+<p class="whs5"># create a path mesh</p>
+
+<p class="whs4">circlemesh = smesh.Mesh(circle,
+ "Path mesh")</p>
+
+<p class="whs4">algo = circlemesh.Segment()</p>
+
+<p class="whs4">algo.NumberOfSegments(10)</p>
+
+<p class="whs4">circlemesh.Compute()</p>
+
+<p class="whs5"> </p>
+
+<p class="whs5"># extrusion of the
+ mesh</p>
+
+<p class="whs4"><span style="font-family: 'Lucida Console', monospace;">trias.ExtrusionAlongPath([],
+ circlemesh, circle,</span></p>
+
+<p class="whs4"> 1,
+ 0, [], 0, smesh.PointStruct(0, 0, 0))</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># merge nodes</p>
+
+<p class="whs4">print "Number
+ of nodes before MergeNodes:", </p>
+
+<p class="whs4">trias.NbNodes()</p>
+
+<p class="whs4">tolerance = 0.001</p>
+
+<p class="whs4">array_of_nodes_groups
+ = trias.FindCoincidentNodes(tolerance)</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">trias.MergeNodes(array_of_nodes_groups)</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">print "Number
+ of nodes after MergeNodes:", trias.NbNodes()</p>
+
+<p class="whs4">print ""</p>
+
+<p class="whs4">print "Number
+ of elements before MergeEqualElements:"</p>
+
+<p class="whs4">print "Edges
+ :
+ ", trias.NbEdges()</p>
+
+<p class="whs4">print "Triangles
+ : ",
+ trias.NbTriangles()</p>
+
+<p class="whs4">print "Quadrangles:
+ ", trias.NbQuadrangles()</p>
+
+<p class="whs4">print "Volumes
+ :
+ ", trias.NbVolumes()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># merge elements</p>
+
+<p class="whs4">trias.MergeEqualElements()</p>
+
+<p class="whs4">print "Number
+ of elements after MergeEqualElements:"</p>
+
+<p class="whs4">print "Edges
+ :
+ ", trias.NbEdges()</p>
+
+<p class="whs4">print "Triangles
+ : ",
+ trias.NbTriangles()</p>
+
+<p class="whs4">print "Quadrangles:
+ ", trias.NbQuadrangles()</p>
+
+<p class="whs4">print "Volumes
+ :
+ ", trias.NbVolumes()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">salome.sg.updateObjBrowser(1)
+ </p>
+
+<p class="whs4"> </p>
+
+<h3>Sewing Meshes</h3>
+
+<h4><a name=bookmark4>Sew Meshes Border to Border</a></h4>
+
+<p class="whs4">import geompy</p>
+
+<p class="whs4">import smesh</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create two faces
+ of a box</p>
+
+<p class="whs4">box1 = geompy.MakeBox(0.,
+ 0., -10., 30., 20., 25.)</p>
+
+<p class="whs4">facesList1 = geompy.SubShapeAll(box1,
+ geompy.ShapeType["FACE"])</p>
+
+<p class="whs4">face1 = facesList1[2]</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">box2 = geompy.MakeBox(0.,
+ 5., 0., 20., 20., 15.)</p>
+
+<p class="whs4">facesList2 = geompy.SubShapeAll(box2,
+ geompy.ShapeType["FACE"])</p>
+
+<p class="whs4">face2 = facesList2[1]</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">edgesList = geompy.SubShapeAll(face2,
+ geompy.ShapeType["EDGE"])</p>
+
+<p class="whs4">edge1 = edgesList[2]</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">aComp = geompy.MakeCompound([face1,
+ face2])</p>
+
+<p class="whs4">geompy.addToStudy(aComp,
+ "Two faces")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create a mesh on
+ two faces</p>
+
+<p class="whs4">mesh = smesh.Mesh(aComp,
+ "Two faces : quadrangle mesh")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">algo1D = mesh.Segment()</p>
+
+<p class="whs4">algo1D.NumberOfSegments(9)</p>
+
+<p class="whs4">algo2D = mesh.Quadrangle()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">algo_local = mesh.Segment(edge1)</p>
+
+<p class="whs4">algo_local.Arithmetic1D(1,
+ 4)</p>
+
+<p class="whs4">algo_local.Propagation()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">mesh.Compute()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># sew border to side</p>
+
+<p class="whs5"># FirstNodeIDOnFreeBorder,
+ SecondNodeIDOnFreeBorder, LastNodeIDOnFreeBorder,</p>
+
+<p class="whs5"># FirstNodeIDOnSide,
+ LastNodeIDOnSide,</p>
+
+<p class="whs5"># CreatePolygons, CreatePolyedrs</p>
+
+<p class="whs4">mesh.SewBorderToSide(5,
+ 45, 6, 113, 109, 0, 0) </p>
+
+<h4><a name=bookmark5>Sew Conform Free Borders</a></h4>
+
+<p class="whs4">import geompy</p>
+
+<p class="whs4">import smesh</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create two faces
+ of the box</p>
+
+<p class="whs4">box1 = geompy.MakeBox(0.,
+ 0., -10., 20., 20., 15.)</p>
+
+<p class="whs4">facesList1 = geompy.SubShapeAll(box1,
+ geompy.ShapeType["FACE"])</p>
+
+<p class="whs4">face1 = facesList1[2]</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">box2 = geompy.MakeBox(0.,
+ 5., 0., 20., 20., 15.)</p>
+
+<p class="whs4">facesList2 = geompy.SubShapeAll(box2,
+ geompy.ShapeType["FACE"])</p>
+
+<p class="whs4">face2 = facesList2[1]</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">edgesList = geompy.SubShapeAll(face2,
+ geompy.ShapeType["EDGE"])</p>
+
+<p class="whs4">edge1 = edgesList[2]</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">aComp = geompy.MakeCompound([face1,
+ face2])</p>
+
+<p class="whs4">geompy.addToStudy(aComp,
+ "Two faces")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create a mesh on
+ two faces</p>
+
+<p class="whs4">mesh = smesh.Mesh(aComp,
+ "Two faces : quadrangle mesh")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">algo1D = mesh.Segment()</p>
+
+<p class="whs4">algo1D.NumberOfSegments(9)</p>
+
+<p class="whs4">algo2D = mesh.Quadrangle()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">algo_local = mesh.Segment(edge1)</p>
+
+<p class="whs4">algo_local.Arithmetic1D(1,
+ 4)</p>
+
+<p class="whs4">algo_local.Propagation()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">mesh.Compute()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># sew conform free
+ borders</p>
+
+<p class="whs5"># FirstNodeID1, SecondNodeID1,
+ LastNodeID1, FirstNodeID2, SecondNodeID2</p>
+
+<p class="whs4">mesh.SewConformFreeBorders(5,
+ 45, 6, 3, 24) </p>
+
+<h4><a name=bookmark6>Sew Free Borders</a></h4>
+
+<p class="whs4">import geompy</p>
+
+<p class="whs4">import smesh</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create two faces
+ of the box</p>
+
+<p class="whs4">box1 = geompy.MakeBox(0.,
+ 0., 0., 20., 20., 15.)</p>
+
+<p class="whs4">facesList1 = geompy.SubShapeAll(box1,
+ geompy.ShapeType["FACE"])</p>
+
+<p class="whs4">face1 = facesList1[2]</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">box2 = geompy.MakeBox(0.,
+ 5., 0., 20., 20., 15.)</p>
+
+<p class="whs4">facesList2 = geompy.SubShapeAll(box2,
+ geompy.ShapeType["FACE"])</p>
+
+<p class="whs4">face2 = facesList2[1]</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">edgesList = geompy.SubShapeAll(face2,
+ geompy.ShapeType["EDGE"])</p>
+
+<p class="whs4">edge1 = edgesList[2]</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">aComp = geompy.MakeCompound([face1,
+ face2])</p>
+
+<p class="whs4">geompy.addToStudy(aComp,
+ "Two faces")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create a mesh on
+ two faces</p>
+
+<p class="whs4">mesh = smesh.Mesh(aComp,
+ "Two faces : quadrangle mesh")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">algo1D = mesh.Segment()</p>
+
+<p class="whs4">algo1D.NumberOfSegments(4)</p>
+
+<p class="whs4">algo2D = mesh.Quadrangle()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">algo_local = mesh.Segment(edge1)</p>
+
+<p class="whs4">algo_local.Arithmetic1D(1,
+ 4)</p>
+
+<p class="whs4">algo_local.Propagation()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">mesh.Compute()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># sew free borders</p>
+
+<p class="whs5"># FirstNodeID1, SecondNodeID1,
+ LastNodeID1,</p>
+
+<p class="whs5"># FirstNodeID2, SecondNodeID2,
+ LastNodeID2, CreatePolygons, CreatePolyedrs</p>
+
+<p class="whs6">mesh.SewFreeBorders(6,
+ 21, 5, 1, 12, 3, 0, 0) </p>
+
+<h4><a name=bookmark7>Sew Side Elements</a></h4>
+
+<p class="whs4">import geompy</p>
+
+<p class="whs4">import smesh</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create two boxes</p>
+
+<p class="whs4">box1 = geompy.MakeBox(0.,
+ 0., 0.,
+ 10., 10., 10.)</p>
+
+<p class="whs4">box2 = geompy.MakeBox(0.,
+ 15., 0., 20., 25., 10.)</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">EdgesList = geompy.SubShapeAll(box2,
+ geompy.ShapeType["EDGE"])</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">aComp = geompy.MakeCompound([box1,
+ box2])</p>
+
+<p class="whs4">geompy.addToStudy(aComp,
+ "Two boxes")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># create a mesh on
+ two boxes</p>
+
+<p class="whs4">mesh = smesh.Mesh(aComp,
+ "Two faces : quadrangle mesh")</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">algo1D = mesh.Segment()</p>
+
+<p class="whs4">algo1D.NumberOfSegments(2)</p>
+
+<p class="whs4">algo2D = mesh.Quadrangle()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">algo_local = mesh.Segment(EdgesList[8])</p>
+
+<p class="whs4">algo_local.NumberOfSegments(4)</p>
+
+<p class="whs4">algo_local.Propagation()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs4">mesh.Compute()</p>
+
+<p class="whs4"> </p>
+
+<p class="whs5"># sew side elements</p>
+
+<p class="whs5"># IDsOfSide1Elements,
+ IDsOfSide2Elements,</p>
+
+<p class="whs5"># NodeID1OfSide1ToMerge,
+ NodeID1OfSide2ToMerge, NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge</p>
+
+<p class="whs4">mesh.SewSideElements([69,
+ 70, 71, 72], [91, 92, 89, 90], 8, 38, 23, 58) </p>
+
+<script type="text/javascript" language="javascript1.2">
+<!--
+if (window.writeIntopicBar)
+ writeIntopicBar(0);
+//-->
+</script>
+</body>
+</html>
