--- /dev/null
+# Extrusion along a Path
+
+import math
+
+import salome
+salome.salome_init_without_session()
+
+import SMESH
+from salome.geom import geomBuilder
+from salome.smesh import smeshBuilder
+
+geom_builder = geomBuilder.New()
+smesh_builder = 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 = geom_builder.MakeVertex(point[0], point[1], 0)
+ vertices.append(vert)
+ iv += 1
+
+# 2. Create edges and wires
+Edge_straight = geom_builder.MakeEdge(vertices[0], vertices[4])
+Edge_bezierrr = geom_builder.MakeBezier(vertices)
+Wire_polyline = geom_builder.MakePolyline(vertices)
+Edge_Circle = geom_builder.MakeCircleThreePnt(vertices[0], vertices[1], vertices[2])
+
+geom_builder.addToStudy(Edge_straight, "Edge_straight")
+geom_builder.addToStudy(Edge_bezierrr, "Edge_bezierrr")
+geom_builder.addToStudy(Wire_polyline, "Wire_polyline")
+geom_builder.addToStudy(Edge_Circle , "Edge_Circle")
+
+# 3. Explode wire on edges, as they will be used for mesh extrusion
+Wire_polyline_edges = geom_builder.SubShapeAll(Wire_polyline, geom_builder.ShapeType["EDGE"])
+for ii in range(len(Wire_polyline_edges)):
+ geom_builder.addToStudyInFather(Wire_polyline, Wire_polyline_edges[ii], "Edge_" + repr(ii + 1))
+
+# Mesh
+
+# Mesh the given shape with the given 1d hypothesis
+def Mesh1D(shape1d, nbSeg, name):
+ 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):
+ 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")
+Edge_bezierrr_mesh = Mesh1D(Edge_bezierrr, 7, "Edge_bezierrr")
+Wire_polyline_mesh = Mesh1D(Wire_polyline, 3, "Wire_polyline")
+Edge_Circle_mesh = Mesh1D(Edge_Circle , 8, "Edge_Circle")
+
+# Initial meshes (to be extruded)
+[quad_1, ee_1, ff_1] = MakeQuadMesh2("quad_1")
+[quad_2, ee_2, ff_2] = MakeQuadMesh2("quad_2")
+[quad_3, ee_3, ff_3] = MakeQuadMesh2("quad_3")
+[quad_4, ee_4, ff_4] = MakeQuadMesh2("quad_4")
+[quad_5, ee_5, ff_5] = MakeQuadMesh2("quad_5")
+[quad_6, ee_6, ff_6] = MakeQuadMesh2("quad_6")
+[quad_7, ee_7, ff_7] = MakeQuadMesh2("quad_7")
+
+# 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")[0]
+quad_2 = MakeQuadMesh2("quad_2")[0]
+quad_3 = MakeQuadMesh2("quad_3")[0]
+quad_4 = MakeQuadMesh2("quad_4")[0]
+quad_5 = MakeQuadMesh2("quad_5")[0]
+quad_6 = MakeQuadMesh2("quad_6")[0]
+quad_7 = MakeQuadMesh2("quad_7")[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])
