+++ /dev/null
-# Extrusion along a Path
-
-import math
-
-import salome
-salome.salome_init_without_session()
-import GEOM
-from salome.geom import geomBuilder
-geompy = geomBuilder.New()
-
-import SMESH, SALOMEDS
-from salome.smesh import smeshBuilder
-smesh = smeshBuilder.New()
-
-# 1. Create points
-points = [[0, 0], [50, 30], [50, 110], [0, 150], [-80, 150], [-130, 70], [-130, -20]]
-
-iv = 1
-vertices = []
-for point in points:
- vert = geompy.MakeVertex(point[0], point[1], 0)
- #geompy.addToStudy(vert, "Vertex_" + repr(iv))
- vertices.append(vert)
- iv += 1
- pass
-
-# 2. Create edges and wires
-Edge_straight = geompy.MakeEdge(vertices[0], vertices[4])
-Edge_bezierrr = geompy.MakeBezier(vertices)
-Wire_polyline = geompy.MakePolyline(vertices)
-Edge_Circle = geompy.MakeCircleThreePnt(vertices[0], vertices[1], vertices[2])
-
-geompy.addToStudy(Edge_straight, "Edge_straight")
-geompy.addToStudy(Edge_bezierrr, "Edge_bezierrr")
-geompy.addToStudy(Wire_polyline, "Wire_polyline")
-geompy.addToStudy(Edge_Circle , "Edge_Circle")
-
-# 3. Explode wire on edges, as they will be used for mesh extrusion
-Wire_polyline_edges = geompy.SubShapeAll(Wire_polyline, geompy.ShapeType["EDGE"])
-for ii in range(len(Wire_polyline_edges)):
- geompy.addToStudyInFather(Wire_polyline, Wire_polyline_edges[ii], "Edge_" + repr(ii + 1))
- pass
-
-# Mesh
-
-# Mesh the given shape with the given 1d hypothesis
-def Mesh1D(shape1d, nbSeg, name, smesh_builder):
- mesh1d_tool = smesh_builder.Mesh(shape1d, name)
- algo = mesh1d_tool.Segment()
- hyp = algo.NumberOfSegments(nbSeg)
- isDone = mesh1d_tool.Compute()
- if not isDone: print('Mesh ', name, ': computation failed')
- return mesh1d_tool
-
-# Create a mesh with six nodes, seven edges and two quadrangle faces
-def MakeQuadMesh2(mesh_name, smesh_builder):
- quad_1 = smesh_builder.Mesh(name = mesh_name)
-
- # six nodes
- n1 = quad_1.AddNode(0, 20, 10)
- n2 = quad_1.AddNode(0, 40, 10)
- n3 = quad_1.AddNode(0, 40, 30)
- n4 = quad_1.AddNode(0, 20, 30)
- n5 = quad_1.AddNode(0, 0, 30)
- n6 = quad_1.AddNode(0, 0, 10)
-
- # seven edges
- quad_1.AddEdge([n1, n2]) # 1
- quad_1.AddEdge([n2, n3]) # 2
- quad_1.AddEdge([n3, n4]) # 3
- quad_1.AddEdge([n4, n1]) # 4
- quad_1.AddEdge([n4, n5]) # 5
- quad_1.AddEdge([n5, n6]) # 6
- quad_1.AddEdge([n6, n1]) # 7
-
- # two quadrangle faces
- quad_1.AddFace([n1, n2, n3, n4]) # 8
- quad_1.AddFace([n1, n4, n5, n6]) # 9
- return [quad_1, [1,2,3,4,5,6,7], [8,9]]
-
-# Path meshes
-Edge_straight_mesh = Mesh1D(Edge_straight, 7, "Edge_straight", smesh_builder=smesh)
-Edge_bezierrr_mesh = Mesh1D(Edge_bezierrr, 7, "Edge_bezierrr", smesh_builder=smesh)
-Wire_polyline_mesh = Mesh1D(Wire_polyline, 3, "Wire_polyline", smesh_builder=smesh)
-Edge_Circle_mesh = Mesh1D(Edge_Circle , 8, "Edge_Circle" , smesh_builder=smesh)
-
-# Initial meshes (to be extruded)
-[quad_1, ee_1, ff_1] = MakeQuadMesh2("quad_1", smesh_builder=smesh)
-[quad_2, ee_2, ff_2] = MakeQuadMesh2("quad_2", smesh_builder=smesh)
-[quad_3, ee_3, ff_3] = MakeQuadMesh2("quad_3", smesh_builder=smesh)
-[quad_4, ee_4, ff_4] = MakeQuadMesh2("quad_4", smesh_builder=smesh)
-[quad_5, ee_5, ff_5] = MakeQuadMesh2("quad_5", smesh_builder=smesh)
-[quad_6, ee_6, ff_6] = MakeQuadMesh2("quad_6", smesh_builder=smesh)
-[quad_7, ee_7, ff_7] = MakeQuadMesh2("quad_7", smesh_builder=smesh)
-
-# ExtrusionAlongPath
-# IDsOfElements, PathMesh, PathShape, NodeStart,
-# HasAngles, Angles, HasRefPoint, RefPoint
-refPoint = SMESH.PointStruct(0, 0, 0)
-a10 = math.radians( 10.0 )
-a45 = math.radians( 45.0 )
-
-# 1. Extrusion of two mesh edges along a straight path
-error = quad_1.ExtrusionAlongPath([1,2], Edge_straight_mesh, Edge_straight, 1,
- 0, [], 0, refPoint)
-
-# 2. Extrusion of one mesh edge along a curved path
-error = quad_2.ExtrusionAlongPath([2], Edge_bezierrr_mesh, Edge_bezierrr, 1,
- 0, [], 0, refPoint)
-
-# 3. Extrusion of one mesh edge along a curved path with usage of angles
-error = quad_3.ExtrusionAlongPath([2], Edge_bezierrr_mesh, Edge_bezierrr, 1,
- 1, [a45, a45, a45, 0, -a45, -a45, -a45], 0, refPoint)
-
-# 4. Extrusion of one mesh edge along the path, which is a part of a meshed wire
-error = quad_4.ExtrusionAlongPath([4], Wire_polyline_mesh, Wire_polyline_edges[0], 1,
- 1, [a10, a10, a10], 0, refPoint)
-
-# 5. Extrusion of two mesh faces along the path, which is a part of a meshed wire
-error = quad_5.ExtrusionAlongPath(ff_5 , Wire_polyline_mesh, Wire_polyline_edges[2], 4,
- 0, [], 0, refPoint)
-
-# 6. Extrusion of two mesh faces along a closed path
-error = quad_6.ExtrusionAlongPath(ff_6 , Edge_Circle_mesh, Edge_Circle, 1,
- 0, [], 0, refPoint)
-
-# 7. Extrusion of two mesh faces along a closed path with usage of angles
-error = quad_7.ExtrusionAlongPath(ff_7, Edge_Circle_mesh, Edge_Circle, 1,
- 1, [a45, -a45, a45, -a45, a45, -a45, a45, -a45], 0, refPoint)
-
-
-
-# Make the same meshes using a fully functional method ExtrusionAlongPathObjects() having
-# the following arguments:
-# Nodes, Edges, Faces, PathObject, PathShape=None,
-# NodeStart=1, HasAngles=False, Angles=[], LinearVariation=False,
-# HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False,
-# ScaleFactors=[], ScalesVariation=False
-
-quad_1 = MakeQuadMesh2("quad_1", smesh_builder=smesh)[0]
-quad_2 = MakeQuadMesh2("quad_2", smesh_builder=smesh)[0]
-quad_3 = MakeQuadMesh2("quad_3", smesh_builder=smesh)[0]
-quad_4 = MakeQuadMesh2("quad_4", smesh_builder=smesh)[0]
-quad_5 = MakeQuadMesh2("quad_5", smesh_builder=smesh)[0]
-quad_6 = MakeQuadMesh2("quad_6", smesh_builder=smesh)[0]
-quad_7 = MakeQuadMesh2("quad_7", smesh_builder=smesh)[0]
-
-# 1. Extrusion of two mesh edges along a straight path
-nn, ee, ff = [], [1,2], []
-error = quad_1.ExtrusionAlongPathObjects( nn, ee, ff, Edge_straight_mesh )
-
-# 2. Extrusion of one mesh edge along a curved path
-nn, ee, ff = [], [2], []
-error = quad_2.ExtrusionAlongPathObjects( nn, ee, ff, Edge_bezierrr_mesh )
-
-# 3. Extrusion of one mesh edge along a curved path with usage of angles
-error = quad_3.ExtrusionAlongPathObjects( nn, ee, ff, Edge_bezierrr_mesh,
- Angles=[a45, a45, a45, 0, -a45, -a45, -a45])
-
-# 4. Extrusion of one mesh edge along the path, which is a part of a meshed wire
-nn, ee, ff = [], [4], []
-error = quad_4.ExtrusionAlongPathObjects( nn, ee, ff, Wire_polyline_mesh, Wire_polyline_edges[0],
- Angles=[a10, a10, a10])
-
-# 5. Extrusion of two mesh faces along the path, which is a part of a meshed wire
-nn, ee, ff = [], [], quad_5
-error = quad_5.ExtrusionAlongPathObjects( nn, ee, ff, Wire_polyline_mesh, Wire_polyline_edges[2],
- NodeStart=4 )
-
-# 6. Extrusion of two mesh faces along a closed path
-nn, ee, ff = [], [], quad_6
-error = quad_6.ExtrusionAlongPathObjects( nn, ee, ff, Edge_Circle_mesh )
-
-# 7. Extrusion of two mesh faces along a closed path with usage of angles
-nn, ee, ff = [], [], quad_7
-error = quad_7.ExtrusionAlongPathObjects( nn, ee, ff, Edge_Circle_mesh, Edge_Circle,
- Angles=[a45, -a45, a45, -a45, a45, -a45, a45, -a45])
-
-
-salome.sg.updateObjBrowser()
