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core_topology_through_sections.py
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##Copyright 2009-2015 Thomas Paviot (tpaviot@gmail.com)
##
##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()