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[TD]correct face detection to avoid ghost faces

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wandererfan
2019-11-24 13:08:02 -05:00
committed by WandererFan
parent 90702da536
commit fff0029de5
8 changed files with 306 additions and 155 deletions
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9
src/Mod/TechDraw/App/DrawViewSection.cpp
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@@ -49,6 +49,7 @@
#include <HLRAlgo_Projector.hxx>
#include <HLRBRep_HLRToShape.hxx>
#include <ShapeAnalysis.hxx>
#include <ShapeFix_Wire.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Face.hxx>
@@ -371,14 +372,18 @@ App::DocumentObjectExecReturn *DrawViewSection::execute(void)
ss << "DVSScaledFace" << idb << ".brep" ;
std::string faceName = ss.str();
BRepTools::Write(pFace, faceName.c_str()); //debug
std::stringstream ss2;
ss2 << "DVSOuter" << idb << ".brep" ;
TopoDS_Wire owdb = ShapeAnalysis::OuterWire(pFace);
std::string wireName = ss2.str();
BRepTools::Write(owdb, wireName.c_str()); //debug
}
TopoDS_Wire ow = ShapeAnalysis::OuterWire(pFace);
// BRepTools::Write(ow, "outerwire.brep"); //debug
//this check helps prevent "ghost" faces
BRepCheck_Wire chkWire(ow);
TopoDS_Edge e1, e2;
BRepCheck_Status status = chkWire.SelfIntersect(pFace, e1, e2);
if (status == BRepCheck_NoError) {
if (status == BRepCheck_NoError) {
builder.Add(newFaces,pFace);
sectionFaceWires.push_back(ShapeAnalysis::OuterWire(pFace));
}