explore the updated boolean API ( Generalized Fuse )

jf--- · jf--- · commit 5a7b4d438424 · 2018-09-11T15:31:14.000+02:00
diff --git a/OCCUtils/boolean.py b/OCCUtils/boolean.py
@@ -0,0 +1,23 @@
+
+import logging
+from typing import Iterable
+
+from OCC.Core.BOPAlgo import BOPAlgo_MakerVolume
+from OCC.Core.TopTools import TopTools_ListOfShape
+from OCC.Core.TopoDS import TopoDS_Shape
+
+log = logging.getLogger("OCCUtils")
+
+
+def common_volume(shapes):
+    # type: (Iterable) -> TopoDS_Shape
+    mv = BOPAlgo_MakerVolume()
+    ls = TopTools_ListOfShape()
+    for i in shapes:
+        ls.Append(i)
+    mv.SetArguments(ls)
+    mv.Perform()
+
+    log.debug("error status: {}".format(mv.ErrorStatus()))
+
+    return mv.Shape()
diff --git a/examples/occutils_boolean.py b/examples/occutils_boolean.py
@@ -0,0 +1,31 @@
+from OCC.Core.gp import gp_Pln
+from OCC.Core.gp import gp_Pnt, gp_Vec
+from OCC.Display.SimpleGui import init_display
+from OCCUtils import Topo
+from OCCUtils.Construct import make_box, make_face
+from OCCUtils.Construct import vec_to_dir
+from OCCUtils.boolean import common_volume
+
+
+def test_common_volume():
+    display, start_display, add_menu, add_function_to_menu = init_display()
+
+    box = make_box(100, 100, 100)
+
+    p, v = gp_Pnt(50, 50, 50), gp_Vec(0, 0, -1)
+    pln = gp_Pln(p, vec_to_dir(v))
+    fc = make_face(pln, -1000, 1000, -1000, 1000)  # limited, not infinite plane
+
+    display.DisplayShape(fc, transparency=0.5)
+    common_shape = common_volume([box, fc])
+
+    solids = Topo(common_shape).solids()
+    display.DisplayShape(next(solids), transparency=0.5)
+    display.DisplayColoredShape(next(solids), "BLACK")
+
+    display.FitAll()
+    start_display()
+
+
+if __name__ == "__main__":
+    test_common_volume()
