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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" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs2" > < / 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" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > < / p >
< p class = "whs1" > salome.sg.updateObjBrowser(1)
< / p >
< p class = "whs1" > < / p >
< h4 > Add Edge< / h4 >
< p class = "whs1" > import SMESH< / p >
< p class = "whs1" > import SMESH_mechanic< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs2" > < / 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" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > < / 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" > print
" Edge addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO edge addition." < / p >
< p class = "whs1" > < / p >
< p class = "whs1" > salome.sg.updateObjBrowser(1)
< / p >
< p class = "whs1" > < / p >
< h4 > Add Triangle< / h4 >
< p class = "whs1" > import SMESH< / p >
< p class = "whs1" > import SMESH_mechanic< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs1" > < / 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" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > < / p >
< p class = "whs1" > LastNodeId = mesh.NbNodes()< / p >
< p class = "whs2" > < / p >
< p class = "whs2" > # add triangle< / p >
< p class = "whs1" > if aMeshEditor.AddFace([LastNodeId,
38, 39]) == 1:< / p >
< p class = "whs1" > print
" Triangle addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO triangle addition." < / p >
< p class = "whs1" > < / p >
< p class = "whs1" > salome.sg.updateObjBrowser(1)
< / p >
< p class = "whs1" > < / p >
< h4 > Add Quadrangle< / h4 >
< p class = "whs1" > import SMESH< / p >
< p class = "whs1" > import SMESH_mechanic< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs1" > < / 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" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > < / p >
< p class = "whs1" > LastNodeId = mesh.NbNodes()< / p >
< p class = "whs2" > < / p >
< p class = "whs2" > # add quadrangle< / p >
< p class = "whs1" > if aMeshEditor.AddNode(40,
20, 0) == 1:< / p >
< p class = "whs1" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > if aMeshEditor.AddFace([mesh.NbNodes(),
LastNodeId, 38, 39]) == 1:< / p >
< p class = "whs1" > print
" Quadrangle addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO quadrangle addition." < / p >
< p class = "whs1" > < / p >
< p class = "whs2" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
< / p >
< p class = "whs2" > < / p >
< h4 > Add Tetrahedron< / h4 >
< p class = "whs1" > import SMESH< / p >
< p class = "whs1" > import SMESH_mechanic< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs1" > < / 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" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > < / p >
< p class = "whs1" > LastNodeId = mesh.NbNodes()< / p >
< p class = "whs2" > < / p >
< p class = "whs2" > # add tetrahedron< / p >
< p class = "whs1" > if aMeshEditor.AddVolume([LastNodeId,
38, 39, 246]) == 1:< / p >
< p class = "whs1" > print
" Tetrahedron addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO tetrahedron addition." < / p >
< p class = "whs1" > < / p >
< p class = "whs2" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
< / p >
< p class = "whs2" > < / p >
< h4 > Add Hexahedron< / h4 >
< p class = "whs1" > import SMESH< / p >
< p class = "whs1" > import SMESH_mechanic< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs1" > < / 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" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > aNodeId1 = mesh.NbNodes()< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > if aMeshEditor.AddNode(47,
12, 0) == 1:< / p >
< p class = "whs1" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > aNodeId2 = mesh.NbNodes()< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > if aMeshEditor.AddNode(50,
10, 10) == 1:< / p >
< p class = "whs1" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > aNodeId3 = mesh.NbNodes()< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > if aMeshEditor.AddNode(47,
12, 10) == 1:< / p >
< p class = "whs1" > print
" Node addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node addition." < / p >
< p class = "whs1" > aNodeId4 = mesh.NbNodes()< / p >
< p class = "whs1" > < / 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" > print
" Hexahedron addition is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO Hexahedron addition." < / p >
< p class = "whs1" > < / p >
< p class = "whs2" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
< / p >
< p class = "whs2" > < / p >
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< h4 > Add Polygon< / h4 >
< p class = "whs1" > import salome< / p >
< p class = "whs1" > import geompy< / p >
< p class = "whs1" > import math< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > import StdMeshers< / p >
< p class = "whs1" > < / p >
< p class = "whs2" > # GEOM module < / p >
< p class = "whs1" > shape_mesh = geompy.MakeCylinderRH(13,
77)< / p >
< p class = "whs1" > geompy.addToStudy(shape_mesh,
" cylinder" )< / p >
< p class = "whs1" > < / p >
< p class = "whs2" > # SMESH module< / p >
< p class = "whs1" > smesh = salome.lcc.FindOrLoadComponent(" FactoryServer" ,
" SMESH" )< / p >
< p class = "whs1" > smesh.SetCurrentStudy(salome.myStudy)< / p >
< p class = "whs1" > mesh = smesh.CreateMesh(shape_mesh)< / p >
< p class = "whs1" > MeshEditor = mesh.GetMeshEditor()< / p >
< p class = "whs1" > < / p >
< p class = "whs2" > # a method to build a polygonal
mesh element with nb_vert angles:< / p >
< p class = "whs1" > def MakePolygon
(a_mesh, x0, y0, z0, radius, nb_vert):< / p >
< p class = "whs1" > node_start_id
= a_mesh.NbNodes() + 1< / p >
< p class = "whs1" > al
= 2.0 * math.pi / nb_vert< / p >
< p class = "whs1" > node_ids
= []< / p >
< p class = "whs2" > < / p >
< p class = "whs2" > # Create nodes for a polyhedron< / p >
< p class = "whs1" > for
ii in range(nb_vert):< / p >
< p class = "whs1" > MeshEditor.AddNode(x0
+ radius * math.cos(ii*al),< / p >
< p class = "whs1" > y0
+ radius * math.sin(ii*al),< / p >
< p class = "whs1" > z0)< / p >
< p class = "whs1" > node_ids.append(node_start_id
+ ii)< / p >
< p class = "whs1" > pass< / p >
< p class = "whs2" > < / p >
< p class = "whs2" > # Create a polygon< / p >
< p class = "whs1" > MeshEditor.AddPolygonalFace(node_ids)< / p >
< p class = "whs1" > return
0< / p >
< p class = "whs1" > < / p >
< p class = "whs2" > # Create three polygons< / p >
< p class = "whs1" > MakePolygon(mesh,
0, 0, 0,
30, 13)< / p >
< p class = "whs1" > MakePolygon(mesh,
0, 0, 10, 21, 9)< / p >
< p class = "whs1" > MakePolygon(mesh,
0, 0, 20, 13, 6)< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > salome.sg.updateObjBrowser(1)
< / p >
< p class = "whs1" > < / p >
< h4 > Add polyhedron< / h4 >
< p class = "whs1" > < span style = "font-family: 'Lucida Console', monospace;" > import
salome< / span > < / p >
< p class = "whs1" > import geompy< / p >
< p class = "whs1" > import math< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > #import SMESH< / p >
< p class = "whs1" > import StdMeshers< / p >
< p class = "whs1" > < / p >
< p class = "whs3" > # GEOM< / p >
< p class = "whs1" > shape_mesh = geompy.MakeCylinderRH(13,
77)< / p >
< p class = "whs1" > geompy.addToStudy(shape_mesh,
" cylinder" )< / p >
< p class = "whs1" > < / p >
< p class = "whs3" > # SMESH< / p >
< p class = "whs1" > smesh = salome.lcc.FindOrLoadComponent(" FactoryServer" ,
" SMESH" )< / p >
< p class = "whs1" > smesh.SetCurrentStudy(salome.myStudy)< / p >
< p class = "whs1" > mesh = smesh.CreateMesh(shape_mesh)< / p >
< p class = "whs1" > MeshEditor = mesh.GetMeshEditor()< / p >
< p class = "whs1" > < / p >
< p class = "whs3" > # Now we are going
to create a 12-hedron:< / p >
< p class = "whs3" > < / p >
< p class = "whs3" > # Create nodes for
polyhedron< / p >
< p class = "whs1" > al = 2 * math.pi
/ 5.0< / p >
< p class = "whs1" > cosal = math.cos(al)< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > aa = 13< / p >
< p class = "whs1" > rr = aa / (2.0 *
math.sin(al/2.0))< / p >
< p class = "whs1" > dr = 2.0 * rr *
cosal< / p >
< p class = "whs1" > r1 = rr + dr< / p >
< p class = "whs1" > dh = rr * math.sqrt(2.0
* (1.0 - cosal * (1.0 + 2.0 * cosal)))< / p >
< p class = "whs1" > hh = 2.0 * dh -
dr * (rr*(cosal - 1) + (rr + dr)*(math.cos(al/2) - 1)) / dh< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > for i in range(5):< / p >
< p class = "whs1" > MeshEditor.AddNode(rr*math.cos(i*al),
rr*math.sin(i*al), 0)
< span style = "font-family: 'Times New Roman', serif;" > # 1,3,5,7, 9 # bottom< / span > < / p >
< p class = "whs1" > MeshEditor.AddNode(r1*math.cos(i*al),
r1*math.sin(i*al), dh) < span style = "font-family: 'Times New Roman', serif;" > #
2,4,6,8,10 # above bottom< / span > < / p >
< p class = "whs1" > < / p >
< p class = "whs1" > for i in range(5):< / p >
< p class = "whs1" > MeshEditor.AddNode(rr*math.cos(i*al
+ al/2.0),< / p >
< p class = "whs1" > rr*math.sin(i*al
+ al/2.0), hh) # 11,13,15,17,19 < span style = "font-family: 'Times New Roman', serif;" > #
top< / span > < / p >
< p class = "whs1" > MeshEditor.AddNode(r1*math.cos(i*al
+ al/2.0),< / p >
< p class = "whs1" > r1*math.sin(i*al
+ al/2.0), hh - dh) # 12,14,16,18,20 < span style = "font-family: 'Times New Roman', serif;" > #
below top< / span > < / p >
< p class = "whs1" > < / p >
< p class = "whs3" > # Create a polyhedral
volume< / p >
< p class = "whs1" > MeshEditor.AddPolyhedralVolume([
1, 3, 5,
7, 9,
< span style = "font-family: 'Times New Roman', serif;" > #
bottom< / span > < / p >
< p class = "whs1" > 1,
2, 12,
4, 3,
< span style = "font-family: 'Times New Roman', serif;" > #
.< / span > < / p >
< p class = "whs1" > 3,
4, 14,
6, 5,
< span style = "font-family: 'Times New Roman', serif;" > #
.< / span > < / p >
< p class = "whs1" > 5,
6, 16,
8, 7,
< span style = "font-family: 'Times New Roman', serif;" > #
. above bottom< / span > < / p >
< p class = "whs1" > 7,
8, 18,
10, 9,
< span style = "font-family: 'Times New Roman', serif;" > #
.< / span > < / p >
< p class = "whs1" > 9,
10, 20, 2,
1, < span
style="font-family: 'Times New Roman', serif;">#
.< / span > < / p >
< p class = "whs1" > 11,
12, 4,
14, 13, < span style = "font-family: 'Times New Roman', serif;" > #
-< / span > < / p >
< p class = "whs1" > 13,
14, 6,
16, 15, < span style = "font-family: 'Times New Roman', serif;" > #
-< / span > < / p >
< p class = "whs1" > 15,
16, 8,
18, 17, < span style = "font-family: 'Times New Roman', serif;" > #
- below top< / span > < / p >
< p class = "whs1" > 17,
18, 10, 20, 19, < span style = "font-family: 'Times New Roman', serif;" > #
-< / span > < / p >
< p class = "whs1" > 19,
20, 2,
12, 11, < span style = "font-family: 'Times New Roman', serif;" > #
-< / span > < / p >
< p class = "whs1" > 11,
13, 15, 17, 19], < span style = "font-family: 'Times New Roman', serif;" > #
top< / span > < / p >
< p class = "whs1" > [5,5,5,5,5,5,5,5,5,5,5,5])< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > salome.sg.updateObjBrowser(1)
< / p >
< p class = "whs1" > < / p >
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< h3 > < a name = bookmark1 > Removing Nodes and Elements< / a > < / h3 >
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< h4 class = "whs4" > Removing Nodes< / h4 >
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< p class = "whs2" > < / p >
< p class = "whs1" > import SMESH< / p >
< p class = "whs1" > import SMESH_mechanic< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs2" > < / 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" > print
" Node removing is OK!" < / p >
< p class = "whs1" > else:< / p >
< p class = "whs1" > print
" KO node removing." < / p >
< p class = "whs1" > < / p >
< p class = "whs2" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
< / p >
< p class = "whs2" > < / p >
< h4 > Removing Elements< / h4 >
< p class = "whs1" > import SMESH< / p >
< p class = "whs1" > import SMESH_mechanic< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > anEditor = mesh.GetMeshEditor()< / p >
< p class = "whs1" > anEditor.RemoveElements([850,
859, 814])< / p >
< p class = "whs1" > < / p >
< p class = "whs1" > salome.sg.updateObjBrowser(1)
< / p >
< p class = "whs1" > < / p >
< h3 > < a name = bookmark2 > Renumbering Nodes and Elements< / a > < / h3 >
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< p class = "whs5" > import SMESH< / p >
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< p class = "whs5" > import SMESH_mechanic< / p >
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< p class = "whs5" > < / p >
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< p class = "whs5" > mesh =
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SMESH_mechanic.mesh< / p >
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< p class = "whs5" > salome = SMESH_mechanic.salome< / p >
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< p class = "whs5" > < / p >
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< p class = "whs5" > anEditor = mesh.GetMeshEditor()< / p >
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< p class = "whs5" > anEditor.RenumberNodes()< / p >
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< p class = "whs5" > < / p >
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< p class = "whs6" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
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< / p >
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< p class = "whs6" > < / p >
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< p > < / 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" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs1" > < / 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" > < / p >
< p class = "whs2" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
< / p >
< p class = "whs2" > < / 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" > < / p >
< p class = "whs1" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs1" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs1" > salome = SMESH_mechanic.salome< / p >
< p class = "whs1" > < / 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" > < / p >
< p class = "whs2" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
< / p >
< p class = "whs2" > < / p >
< h3 > < a name = bookmark5 > Uniting two Triangles< / a > < / h3 >
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< p class = "whs7" > import SMESH< / p >
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< p class = "whs7" > import SMESH_mechanic< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > smesh =
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SMESH_mechanic.smesh< / p >
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< p class = "whs7" > mesh =
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SMESH_mechanic.mesh< / p >
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< p class = "whs7" > salome = SMESH_mechanic.salome< / p >
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< p class = "whs7" > < / p >
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< p > # delete diagonal< / p >
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< p class = "whs7" > aMeshEditor = mesh.GetMeshEditor()< / p >
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< p class = "whs7" > aMeshEditor.DeleteDiag(700,
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642)< / p >
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< p class = "whs7" > < / p >
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< p > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
< / p >
< p > < / p >
< h3 > < a name = bookmark6 > Uniting a Set of Triangles< / a > < / h3 >
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< p class = "whs7" > import SMESH< / p >
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< p class = "whs7" > import SMESH_mechanic< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > smesh =
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SMESH_mechanic.smesh< / p >
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< p class = "whs7" > mesh =
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SMESH_mechanic.mesh< / p >
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< p class = "whs7" > salome = SMESH_mechanic.salome< / p >
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2006-05-06 14:51:48 +06:00
< p class = "whs7" > < / p >
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< p > # unite a set of triangles< / p >
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< p class = "whs7" > aFilterMgr = smesh.CreateFilterManager()< / p >
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< p class = "whs7" > aFunctor = aFilterMgr.CreateMinimumAngle()< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > aMeshEditor = mesh.GetMeshEditor()< / p >
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< p class = "whs7" > aMeshEditor.TriToQuad([1145,
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1147, 1159, 1135], aFunctor, 60)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > salome.sg.updateObjBrowser(1)
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< / p >
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< p class = "whs7" > < / p >
< h3 > < a name = bookmark12 > Orientation< / a > < / h3 >
< p class = "whs7" > < span style = "font-family: 'Lucida Console', monospace;" > import
salome< / span > < / p >
< p class = "whs7" > import geompy< / p >
< p class = "whs7" > < / p >
< p class = "whs7" > import StdMeshers< / p >
< p class = "whs7" > < / p >
< p class = "whs8" > # GEOM module< / p >
< p class = "whs7" > shape_mesh = geompy.MakeCylinderRH(13,
77)< / p >
< p class = "whs7" > geompy.addToStudy(shape_mesh,
" cylinder" )< / p >
< p class = "whs7" > < / p >
< p class = "whs8" > # SMESH module< / p >
< p class = "whs7" > smesh = salome.lcc.FindOrLoadComponent(" FactoryServer" ,
" SMESH" )< / p >
< p class = "whs7" > smesh.SetCurrentStudy(salome.myStudy)< / p >
< p class = "whs7" > mesh = smesh.CreateMesh(shape_mesh)< / p >
< p class = "whs7" > MeshEditor = mesh.GetMeshEditor()< / p >
< p class = "whs7" > < / p >
< p class = "whs8" > # build five quadrangles:< / p >
< p class = "whs7" > node_start_id = mesh.NbNodes()
+ 1< / p >
< p class = "whs7" > dx = 10< / p >
< p class = "whs7" > dy = 20< / p >
< p class = "whs7" > < / p >
< p class = "whs7" > MeshEditor.AddNode(0.0
* dx, 0, 0) # 1< / p >
< p class = "whs7" > MeshEditor.AddNode(1.0
* dx, 0, 0) # 2< / p >
< p class = "whs7" > MeshEditor.AddNode(2.0
* dx, 0, 0) # 3< / p >
< p class = "whs7" > MeshEditor.AddNode(3.0
* dx, 0, 0) # 4< / p >
< p class = "whs7" > MeshEditor.AddNode(4.0
* dx, 0, 0) # 5< / p >
< p class = "whs7" > MeshEditor.AddNode(5.0
* dx, 0, 0) # 6< / p >
< p class = "whs7" > < / p >
< p class = "whs7" > MeshEditor.AddNode(0.0
* dx, dy, 0) # 7< / p >
< p class = "whs7" > MeshEditor.AddNode(1.0
* dx, dy, 0) # 8< / p >
< p class = "whs7" > MeshEditor.AddNode(2.0
* dx, dy, 0) # 9< / p >
< p class = "whs7" > MeshEditor.AddNode(3.0
* dx, dy, 0) # 10< / p >
< p class = "whs7" > MeshEditor.AddNode(4.0
* dx, dy, 0) # 11< / p >
< p class = "whs7" > MeshEditor.AddNode(5.0
* dx, dy, 0) # 12< / p >
< p class = "whs7" > < / p >
< p class = "whs7" > MeshEditor.AddFace([1,
2, 8, 7])< / p >
< p class = "whs7" > MeshEditor.AddFace([2,
3, 9, 8])< / p >
< p class = "whs7" > MeshEditor.AddFace([3,
4, 10, 9])< / p >
< p class = "whs7" > MeshEditor.AddFace([4,
5, 11, 10])< / p >
< p class = "whs7" > MeshEditor.AddFace([5,
6, 12, 11])< / p >
< p class = "whs7" > < / p >
< p class = "whs8" > # Change orientation
of the second and the fourth faces.< / p >
< p class = "whs7" > MeshEditor.Reorient([2,
4])< / p >
< p class = "whs7" > < / p >
< p class = "whs7" > salome.sg.updateObjBrowser(1)
< / p >
< p class = "whs7" > < / p >
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< h3 > < a name = bookmark7 > Cutting Quadrangles< / a > < / h3 >
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< p class = "whs7" > import SMESH< / p >
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< p class = "whs7" > import SMESH_mechanic< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > smesh =
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SMESH_mechanic.smesh< / p >
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< p class = "whs7" > mesh =
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SMESH_mechanic.mesh< / p >
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< p class = "whs7" > salome = SMESH_mechanic.salome< / p >
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2006-05-06 14:51:48 +06:00
< p class = "whs7" > < / p >
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< p class = "whs8" > # unite a set of triangles< / p >
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< p class = "whs7" > aFilterMgr = smesh.CreateFilterManager()< / p >
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< p class = "whs7" > aFunctor = aFilterMgr.CreateMinimumAngle()< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > aMeshEditor = mesh.GetMeshEditor()< / p >
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< p class = "whs7" > aMeshEditor.QuadToTri([405,
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406], aFunctor)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > salome.sg.updateObjBrowser(1)
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< / p >
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< p class = "whs8" > < / p >
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< h3 > < a name = bookmark8 > Smoothing< / a > < / h3 >
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< p class = "whs7" > import SMESH< / p >
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< p class = "whs7" > import SMESH_mechanic< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > smesh =
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SMESH_mechanic.smesh< / p >
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< p class = "whs7" > mesh =
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SMESH_mechanic.mesh< / p >
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< p class = "whs7" > salome = SMESH_mechanic.salome< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > # smooth< / p >
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< p class = "whs7" > FacesSmooth = [911,
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931, 950, 864, 932]< / p >
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< p class = "whs7" > GroupSmooth = mesh.CreateGroup(SMESH.FACE," Group
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of faces (smooth)" )< / p >
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< p class = "whs7" > GroupSmooth.Add(FacesSmooth)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > aMeshEditor = mesh.GetMeshEditor()< / p >
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< p class = "whs7" > aMeshEditor.SmoothObject(GroupSmooth,
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[], 20, 2, SMESH.SMESH_MeshEditor.CENTROIDAL_SMOOTH)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > salome.sg.updateObjBrowser(1)
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< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > < / p >
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< h3 > < a name = bookmark9 > Extrusion< / a > < / h3 >
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< p class = "whs8" > import SMESH< / p >
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< p class = "whs8" > import SMESH_mechanic< / p >
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< p class = "whs8" > < / p >
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< p class = "whs8" > smesh =
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SMESH_mechanic.smesh< / p >
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< p class = "whs8" > mesh =
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SMESH_mechanic.mesh< / p >
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< p class = "whs8" > salome = SMESH_mechanic.salome< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > # extrusion of the group< / p >
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< p class = "whs8" > point = SMESH.PointStruct(0,
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0, 5)< / p >
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< p class = "whs8" > vector = SMESH.DirStruct(point)< / p >
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< p class = "whs8" > FacesTriToQuad = [2381,
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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 >
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< p class = "whs8" > < / p >
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< p class = "whs8" > GroupTriToQuad = mesh.CreateGroup(SMESH.FACE," Group
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of faces (quad)" )< / p >
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< p class = "whs8" > GroupTriToQuad.Add(FacesTriToQuad)< / p >
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< p class = "whs8" > < / p >
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< p class = "whs8" > aMeshEditor = mesh.GetMeshEditor()< / p >
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< p class = "whs8" > aMeshEditor.ExtrusionSweepObject(GroupTriToQuad,
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vector, 5)< / p >
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< p class = "whs8" > < / p >
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< p class = "whs8" > salome.sg.updateObjBrowser(1)
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< / p >
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< p class = "whs8" > < / p >
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< h3 > < a name = bookmark10 > Extrusion along a Path< / a > < / h3 >
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< p class = "whs7" > import geompy< / p >
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< p class = "whs7" > import smesh< / p >
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< p class = "whs7" > import salome< / p >
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< p class = "whs7" > import SMESH< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > # create a face to be
meshed< / p >
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< p class = "whs7" > px = geompy.MakeVertex(100.,
0. , 0.
)< / p >
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< p class = "whs7" > py = geompy.MakeVertex(0.
, 100.,
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0. )< / p >
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< p class = "whs7" > pz = geompy.MakeVertex(0.
, 0. ,
100.)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > vxy = geompy.MakeVector(px,
py)< / p >
< p class = "whs7" > arc = geompy.MakeArc(py,
pz, px)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > wire = geompy.MakeWire([vxy,
arc])< / p >
< p class = "whs7" > isPlanarFace = 1< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > face1 = geompy.MakeFace(wire,
isPlanarFace)< / p >
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< p class = "whs7" > id_face1 = geompy.addToStudy(face1,
" Face1" )< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > # create a 2D mesh on
the face< / p >
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< p class = "whs7" > trias = smesh.Mesh(face1,
" Face : 2D mesh" )< / p >
< p class = "whs7" > < / p >
< p class = "whs7" > algo = trias.Segment()< / p >
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< p class = "whs7" > algo.NumberOfSegments(6)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > algo = trias.Triangle()< / p >
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< p class = "whs7" > algo.LengthFromEdges()< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > trias.Compute()< / p >
< p class = "whs7" > < / p >
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< p class = "whs8" > # create a path mesh< / p >
< p class = "whs7" > px1 = geompy.MakeVertex(100.,
100. ,
0. )< / p >
< p class = "whs7" > py1 = geompy.MakeVertex(-100.
, -100.,
0. )< / p >
< p class = "whs7" > pz1 = geompy.MakeVertex(0.
, 0. ,
50.)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > circle = geompy.MakeCircleThreePnt(py1,
pz1, px1)< / p >
< p class = "whs7" > id_circle = geompy.addToStudy(circle,
" Path" )< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > circlemesh = smesh.Mesh(circle,
" Path mesh" )< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > algo = circlemesh.Segment()< / p >
< p class = "whs7" > algo.NumberOfSegments(10)< / p >
< p class = "whs7" > < / p >
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< p class = "whs7" > circlemesh.Compute()< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > # extrusion of the mesh< / p >
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< p class = "whs8" > # The mesh " trias"
will be extruded along another mesh, which is a sub-mesh of " circlemesh" ,< / p >
< p class = "whs8" > < span style = "font-family: 'Times New Roman', serif;" > #
corresponding to geometry " circle" . In this particular case
the path mesh will be the whole " circlemesh" < / span > < / p >
< p class = "whs8" > < / p >
< p class = "whs7" > aMeshEditor = trias.GetMesh().GetMeshEditor()< / p >
< p class = "whs7" > aMeshEditor.ExtrusionAlongPathObject(trias.GetMesh(),
circlemesh.GetMesh(), circle, 1, 0, [], 0, SMESH.PointStruct(0, 0, 0))< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
< / p >
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< h3 > < a name = bookmark11 > Revolution< / a > < / h3 >
< p class = "whs7" > import SMESH< / p >
< p class = "whs7" > import SMESH_mechanic< / p >
< p class = "whs7" > import math< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > smesh =
SMESH_mechanic.smesh< / p >
< p class = "whs7" > mesh =
SMESH_mechanic.mesh< / p >
< p class = "whs7" > salome = SMESH_mechanic.salome< / p >
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< p class = "whs8" > < / p >
< p class = "whs8" > # rotate a sweep object< / p >
< p class = "whs7" > FacesRotate = [492,
493, 502, 503]< / p >
< p class = "whs7" > GroupRotate = mesh.CreateGroup(SMESH.FACE," Group
of faces (rotate)" )< / p >
< p class = "whs7" > GroupRotate.Add(FacesRotate)< / p >
< p class = "whs7" > angle45 = 45*math.pi/180< / p >
< p class = "whs7" > axisXYZ = SMESH.AxisStruct(-38.3128,
-73.3658, -23.321, -13.3402, -13.3265, 6.66632)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > aMeshEditor = mesh.GetMeshEditor()< / p >
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< p class = "whs7" > aMeshEditor.RotationSweepObject(GroupRotate,
axisXYZ, angle45, 4, 1e-5)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
< / p >
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< p class = "whs8" > < / p >
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< h3 > < a name = bookmark13 > Pattern Mapping< / a > < / h3 >
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< p > Attention! This script was written using old approach, based on direct usage of SMESH idl interface. To be updated for version 3.2.1 to use < b > smesh< / b > package.
< br >
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< p class = "whs7" > import salome< / p >
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< p class = "whs7" > import geompy< / p >
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< p class = "whs7" > import SMESH, smesh< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > geompy.init_geom(salome.myStudy)< / p >
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< p class = "whs7" > smesh.smesh.SetCurrentStudy(salome.myStudy)< / p >
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< p class = "whs7" > < / p >
< p class = "whs8" > # define geometry< / p >
< p class = "whs7" > Box_1 = geompy.MakeBoxDXDYDZ(200,
200, 200)< / p >
< p class = "whs7" > geompy.addToStudy(Box_1,
" Box_1" )< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > faces = geompy.SubShapeAll(Box_1,
geompy.ShapeType[" FACE" ])< / p >
< p class = "whs7" > Face_1 = faces[0]< / p >
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< p class = "whs7" > Face_2 = faces[1]< / p >
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< p class = "whs7" > geompy.addToStudyInFather(Box_1,
Face_1, " Face_1" )< / p >
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< p class = "whs7" > geompy.addToStudyInFather(Box_1,
Face_2, " Face_2" )< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > # build quadrangle mesh
3x3 on Face_1< / p >
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< p class = "whs7" > Mesh_1 = smesh.Mesh(Face_1)< / p >
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< p class = "whs7" > Wire_discretisation
= Mesh_1.Segment()< / p >
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< p class = "whs7" > Wire_discretisation.NumberOfSegments(3)< / p >
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< p class = "whs7" > Mesh_1.Quadrangle()< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > isDone = Mesh_1.Compute()< / p >
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< p class = "whs7" > if not isDone: print
'Mesh Mesh_1 : computation failed'< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > # pattern the mesh< / p >
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< p class = "whs7" > Mesh_2 = smesh.Mesh(Face_2)< / p >
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< p class = "whs7" > Nb_Segments_1 = smesh.smesh.CreateHypothesis('NumberOfSegments',
'libStdMeshersEngine.so')< / p >
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< p class = "whs7" > Nb_Segments_1.SetNumberOfSegments(1)< / p >
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< p class = "whs7" > status = Mesh_2.GetMesh().AddHypothesis(Face_2,
Nb_Segments_1)< / p >
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< p class = "whs7" > status = Mesh_2.GetMesh().AddHypothesis(Face_2,
Wire_discretisation.GetAlgorithm())< / p >
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< p class = "whs7" > Triangle_Mefisto =
Mesh_2.Triangle()< / p >
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< p class = "whs7" > Max_Element_Area =
Triangle_Mefisto.MaxElementArea(240)< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > isDone = Mesh_2.Compute()< / p >
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< p class = "whs7" > if not isDone: print
'Mesh Mesh_2 : computation failed'< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > # create a pattern< / p >
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< p class = "whs7" > pattern = smesh.smesh.GetPattern()< / p >
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< p class = "whs7" > isDone = pattern.LoadFromFace(Mesh_2.GetMesh(),
Face_2, 0)< / p >
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< p class = "whs7" > if (isDone != 1):< / p >
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< p class = "whs9" > print
'LoadFromFace :', pattern.GetErrorCode()< / p >
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< p class = "whs7" > < / p >
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< p class = "whs8" > # apply the pattern to
a face of the first mesh< / p >
< p class = "whs7" > pattern.ApplyToMeshFaces(Mesh_1.GetMesh(),
[17], 0, 0)< / p >
< p class = "whs7" > isDone = pattern.MakeMesh(Mesh_1.GetMesh(),
0, 0)< / p >
< p class = "whs7" > if (isDone != 1):< / p >
< p class = "whs9" > print
'MakeMesh :', pattern.GetErrorCode()< / p >
< p class = "whs7" > < / p >
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< p class = "whs8" > < span style = "font-family: 'Lucida Console', monospace;" > salome.sg.updateObjBrowser(1)< / span >
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< / p >
< script type = "text/javascript" language = "javascript1.2" >
<!--
if (window.writeIntopicBar)
writeIntopicBar(0);
//-->
< / script >
< / body >
< / html >
