X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fexamples%2Fmechanic.py;fp=doc%2Fexamples%2Fmechanic.py;h=902ce7184424a4b54e32e367bd6e5468b1facf70;hp=0000000000000000000000000000000000000000;hb=4cf07a14111e98e8889620ee7e6371574c31a50c;hpb=d9f4b53e489dd5857db264ede6acded7b076c9f1

diff --git a/doc/examples/mechanic.py b/doc/examples/mechanic.py
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+# Inspired by SMESH_mechanic.py.
+# Creates geometry and a mesh to be used in other examples
+# --------------------------------------------------------
+
+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()
+
+# Geometry
+# --------
+
+# create planar face on a wire combined from a segment and three arcs
+
+p1 = geom_builder.MakeVertex(100.0, 0.0, 0.0)
+p2 = geom_builder.MakeVertex(50.0, 50.0, 0.0)
+p3 = geom_builder.MakeVertex(100.0, 100.0, 0.0)
+arc1 = geom_builder.MakeArc(p1, p2, p3)
+
+p4 = geom_builder.MakeVertex(170.0, 100.0, 0.0)
+seg1 = geom_builder.MakeVector(p3, p4)
+
+p5 = geom_builder.MakeVertex(200.0, 70.0, 0.0)
+p6 = geom_builder.MakeVertex(170.0, 40.0, 0.0)
+arc2 = geom_builder.MakeArc(p4, p5, p6)
+
+p7 = geom_builder.MakeVertex(120.0, 30.0, 0.0)
+arc3 = geom_builder.MakeArc(p6, p7, p1)
+
+wire1 = geom_builder.MakeWire([arc1, seg1, arc2, arc3])
+face1 = geom_builder.MakeFace(wire1, True)
+
+# create main shape by extruding just created planar face
+
+pO = geom_builder.MakeVertex(0.0, 0.0, 0.0)
+pz = geom_builder.MakeVertex(0.0, 0.0, 100.0)
+vz = geom_builder.MakeVector(pO, pz)
+prism1 = geom_builder.MakePrismVecH(face1, vz, 100.0)
+
+# create two cylinders
+
+pc1 = geom_builder.MakeVertex(90.0, 50.0, -40.0)
+pc2 = geom_builder.MakeVertex(170.0, 70.0, -40.0)
+
+cyl1 = geom_builder.MakeCylinder(pc1, vz, 20.0, 180.0)
+cyl2 = geom_builder.MakeCylinder(pc2, vz, 20.0, 180.0)
+
+# create final shape by cutting one cylinder and fusing with another
+
+shape = geom_builder.MakeBoolean(prism1, cyl1, 2)
+mechanic = geom_builder.MakeBoolean(shape, cyl2, 3)
+
+# get all faces from shape and keep sub of them into variables for future processing
+
+shape_faces = geom_builder.SubShapeAllSorted(mechanic, geom_builder.ShapeType["FACE"])
+
+sub_face1 = shape_faces[0]
+sub_face2 = shape_faces[4]
+sub_face3 = shape_faces[5]
+sub_face4 = shape_faces[10]
+
+# Mesh
+# ----
+
+# create tria+tetra mesh from mechanic shape
+
+mesh = smesh_builder.Mesh(mechanic, "mechanic")
+mesh.Segment().NumberOfSegments(10)
+mesh.Triangle().MaxElementArea(25)
+mesh.Tetrahedron()
+
+# create quad sub-meshes on faces sub_face1 - sub_face4
+
+mesh.Quadrangle(sub_face1)
+mesh.Quadrangle(sub_face2)
+mesh.Quadrangle(sub_face3)
+mesh.Quadrangle(sub_face4)
+
+# finally compute whole mesh
+
+mesh.Compute()