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+ support of face for draft angle extrusion

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git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5360 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
This commit is contained in:
wmayer 2011-12-29 19:13:16 +00:00
parent 60ba9cf5db
commit bdf43fcaa4
1 changed files with 25 additions and 15 deletions
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40
src/Mod/Part/App/FeatureExtrusion.cpp
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@ -31,6 +31,7 @@
# include <BRepOffsetAPI_ThruSections.hxx>
# include <BRepPrimAPI_MakePrism.hxx>
# include <Precision.hxx>
# include <ShapeAnalysis.hxx>
# include <ShapeFix_Wire.hxx>
# include <TopoDS.hxx>
# include <TopExp_Explorer.hxx>
@ -87,27 +88,36 @@ App::DocumentObjectExecReturn *Extrusion::execute(void)
double distance = std::tan(Base::toRadians(taperAngle)) * vec.Magnitude();
const TopoDS_Shape& shape = base->Shape.getValue();
bool isWire = (shape.ShapeType() == TopAbs_WIRE);
if (!isWire)
return new App::DocumentObjectExecReturn("Only wires supported");
bool isFace = (shape.ShapeType() == TopAbs_FACE);
if (!isWire && !isFace)
return new App::DocumentObjectExecReturn("Only a wire or a face is supported");
std::list<TopoDS_Wire> wire_list;
BRepOffsetAPI_MakeOffset mkOffset;
if (isWire) {
#if 1 //OCC_HEX_VERSION < 0x060502
// The input wire may have erorrs in its topology
// and thus may cause a crash in the Perfrom() method
// See also:
// http://www.opencascade.org/org/forum/thread_17640/
// http://www.opencascade.org/org/forum/thread_12012/
ShapeFix_Wire aFix;
aFix.Load(TopoDS::Wire(shape));
aFix.FixReorder();
aFix.FixConnected();
aFix.FixClosed();
mkOffset.AddWire(aFix.Wire());
wire_list.push_back(aFix.Wire());
// The input wire may have erorrs in its topology
// and thus may cause a crash in the Perfrom() method
// See also:
// http://www.opencascade.org/org/forum/thread_17640/
// http://www.opencascade.org/org/forum/thread_12012/
ShapeFix_Wire aFix;
aFix.Load(TopoDS::Wire(shape));
aFix.FixReorder();
aFix.FixConnected();
aFix.FixClosed();
mkOffset.AddWire(aFix.Wire());
wire_list.push_back(aFix.Wire());
#else
mkOffset.AddWire(TopoDS::Wire(shape));
mkOffset.AddWire(TopoDS::Wire(shape));
#endif
}
else if (isFace) {
TopoDS_Wire outerWire = ShapeAnalysis::OuterWire(TopoDS::Face(shape));
wire_list.push_back(outerWire);
mkOffset.AddWire(outerWire);
}
mkOffset.Perform(distance);
gp_Trsf mat;