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Fix bug 12158: Crash after trying mirror degenerated edge.

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This commit is contained in:
jfa 2006-04-20 12:54:29 +00:00
parent 891fcd3d54
commit 6656789951
1 changed files with 17 additions and 1 deletions
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18
src/GEOMImpl/GEOMImpl_MirrorDriver.cxx
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@ -30,12 +30,13 @@
#include <BRepBuilderAPI_Transform.hxx> #include <BRepBuilderAPI_Transform.hxx>
#include <TopAbs.hxx> #include <TopAbs.hxx>
#include <TopExp.hxx>
#include <TopoDS.hxx> #include <TopoDS.hxx>
#include <TopoDS_Shape.hxx> #include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx> #include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx> #include <TopoDS_Face.hxx>
#include <TopoDS_Vertex.hxx> #include <TopoDS_Vertex.hxx>
#include <TopExp.hxx> #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <Geom_Plane.hxx> #include <Geom_Plane.hxx>
@ -86,6 +87,21 @@ Standard_Integer GEOMImpl_MirrorDriver::Execute(TFunction_Logbook& log) const
TopoDS_Shape anOriginal = anOriginalFunction->GetValue(); TopoDS_Shape anOriginal = anOriginalFunction->GetValue();
if (anOriginal.IsNull()) return 0; if (anOriginal.IsNull()) return 0;
// Bug 12158: Check for standalone (not included in faces) degenerated edges
TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
TopExp::MapShapesAndAncestors(anOriginal, TopAbs_EDGE, TopAbs_FACE, aEFMap);
Standard_Integer i, nbE = aEFMap.Extent();
for (i = 1; i <= nbE; i++) {
TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
if (aFaces.IsEmpty())
Standard_ConstructionError::Raise
("Mirror aborted : cannot process standalone degenerated edge");
}
}
// Perform Mirror
if (aType == MIRROR_PLANE || aType == MIRROR_PLANE_COPY) { if (aType == MIRROR_PLANE || aType == MIRROR_PLANE_COPY) {
Handle(GEOM_Function) aPlane = TI.GetPlane(); Handle(GEOM_Function) aPlane = TI.GetPlane();
if (aPlane.IsNull()) return 0; if (aPlane.IsNull()) return 0;