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0022550: [CEA 1137] "FuseCollinearEdgesWithinWire" fails on some wires

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skv 2014-04-14 19:47:25 +04:00
parent 239fd07e4d
commit ed66b03002
1 changed files with 53 additions and 4 deletions
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49
src/GEOMImpl/GEOMImpl_ShapeDriver.cxx
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@ -976,10 +976,59 @@ TopoDS_Edge GEOMImpl_ShapeDriver::MakeEdgeFromWire(const TopoDS_Shape& aWire,
if (concatcurve->Value(concatcurve->Lower())->Continuity()==GeomAbs_C0){ if (concatcurve->Value(concatcurve->Lower())->Continuity()==GeomAbs_C0){
Standard_ConstructionError::Raise("Construction aborted : The given Wire has sharp bends between some Edges, no valid Edge can be built"); Standard_ConstructionError::Raise("Construction aborted : The given Wire has sharp bends between some Edges, no valid Edge can be built");
} }
Standard_Boolean isValidEndVtx = Standard_True;
if (closed_flag) {
// Check if closed curve is reordered.
Handle(Geom_Curve) aCurve = concatcurve->Value(concatcurve->Lower());
Standard_Real aFPar = aCurve->FirstParameter();
gp_Pnt aPFirst;
gp_Pnt aPntVtx = BRep_Tool::Pnt(FirstVertex);
Standard_Real aTolVtx = BRep_Tool::Tolerance(FirstVertex);
aCurve->D0(aFPar, aPFirst);
if (!aPFirst.IsEqual(aPntVtx, aTolVtx)) {
// The curve is reordered. Find the new first and last vertices.
TopTools_IndexedMapOfShape aMapVtx;
TopExp::MapShapes(theWire, TopAbs_VERTEX, aMapVtx);
const Standard_Integer aNbVtx = aMapVtx.Extent();
Standard_Integer iVtx;
for (iVtx = 1; iVtx <= aNbVtx; iVtx++) {
const TopoDS_Vertex aVtx = TopoDS::Vertex(aMapVtx.FindKey(iVtx));
const gp_Pnt aPnt = BRep_Tool::Pnt(aVtx);
const Standard_Real aTol = BRep_Tool::Tolerance(aVtx);
if (aPFirst.IsEqual(aPnt, aTol)) {
// The coinsident vertex is found.
FirstVertex = aVtx;
LastVertex = aVtx;
FirstVertex.Orientation(TopAbs_FORWARD);
LastVertex.Orientation(TopAbs_REVERSED);
break;
}
}
if (iVtx > aNbVtx) {
// It is necessary to create new vertices.
isValidEndVtx = Standard_False;
}
}
}
if (isValidEndVtx) {
ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()), ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
FirstVertex, LastVertex, FirstVertex, LastVertex,
concatcurve->Value(concatcurve->Lower())->FirstParameter(), concatcurve->Value(concatcurve->Lower())->FirstParameter(),
concatcurve->Value(concatcurve->Lower())->LastParameter()); concatcurve->Value(concatcurve->Lower())->LastParameter());
} else {
ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
concatcurve->Value(concatcurve->Lower())->FirstParameter(),
concatcurve->Value(concatcurve->Lower())->LastParameter());
}
} }
else else
{ {