Added through section example

Author: tpaviot

examples/core_topology_through_sections.py

@@ -0,0 +1,59 @@
+##Copyright 2009-2015 Thomas Paviot ([email protected])
+##
+##This file is part of pythonOCC.
+##
+##pythonOCC is free software: you can redistribute it and/or modify
+##it under the terms of the GNU Lesser General Public License as published by
+##the Free Software Foundation, either version 3 of the License, or
+##(at your option) any later version.
+##
+##pythonOCC is distributed in the hope that it will be useful,
+##but WITHOUT ANY WARRANTY; without even the implied warranty of
+##MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##GNU Lesser General Public License for more details.
+##
+##You should have received a copy of the GNU Lesser General Public License
+##along with pythonOCC.  If not, see <http://www.gnu.org/licenses/>.
+
+from OCC.gp import gp_Dir, gp_Pnt, gp_Circ, gp_Ax2
+from OCC.BRepBuilderAPI import (BRepBuilderAPI_MakeWire,
+                                BRepBuilderAPI_MakeEdge)
+from OCC.BRepOffsetAPI import BRepOffsetAPI_ThruSections
+
+from OCC.Display.SimpleGui import init_display
+display, start_display, add_menu, add_function_to_menu = init_display()
+
+
+def through_sections():
+    #ruled
+    circle_1 = gp_Circ(gp_Ax2(gp_Pnt(-100., 0., -100.), gp_Dir(0., 0., 1.)), 40.)
+    wire_1 = BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(circle_1).Edge()).Wire()
+    circle_2 = gp_Circ(gp_Ax2(gp_Pnt(-10., 0., -0.), gp_Dir(0., 0., 1.)), 40.)
+    wire_2 = BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(circle_2).Edge()).Wire()
+    circle_3 = gp_Circ(gp_Ax2(gp_Pnt(-75., 0., 100.), gp_Dir(0., 0., 1.)), 40.)
+    wire_3 = BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(circle_3).Edge()).Wire()
+    circle_4 = gp_Circ(gp_Ax2(gp_Pnt(0., 0., 200.), gp_Dir(0., 0., 1.)), 40.)
+    wire_4 = BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(circle_4).Edge()).Wire()
+
+    generatorA = BRepOffsetAPI_ThruSections(False, True)
+    map(generatorA.AddWire, [wire_1, wire_2, wire_3, wire_4])
+    generatorA.Build()
+    display.DisplayShape(generatorA.Shape())
+
+    #smooth
+    circle_1b = gp_Circ(gp_Ax2(gp_Pnt(100., 0., -100.), gp_Dir(0., 0., 1.)), 40.)
+    wire_1b = BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(circle_1b).Edge()).Wire()
+    circle_2b = gp_Circ(gp_Ax2(gp_Pnt(210., 0., -0.), gp_Dir(0., 0., 1.)), 40.)
+    wire_2b = BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(circle_2b).Edge()).Wire()
+    circle_3b = gp_Circ(gp_Ax2(gp_Pnt(275., 0., 100.), gp_Dir(0., 0., 1.)), 40.)
+    wire_3b = BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(circle_3b).Edge()).Wire()
+    circle_4b = gp_Circ(gp_Ax2(gp_Pnt(200., 0., 200.), gp_Dir(0., 0., 1.)), 40.)
+    wire_4b = BRepBuilderAPI_MakeWire(BRepBuilderAPI_MakeEdge(circle_4b).Edge()).Wire()
+    generatorB = BRepOffsetAPI_ThruSections(True, False)
+    map(generatorB.AddWire, [wire_1b, wire_2b, wire_3b, wire_4b])
+    generatorB.Build()
+    display.DisplayShape(generatorB.Shape(), update=True)
+
+if __name__ == '__main__':
+    through_sections()
+    start_display()