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0020231: A min distance bug with torus and vertex

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Make GetMinDistance() return 0.0 for a vertex inside a solid
This commit is contained in:
eap 2009-04-02 09:01:59 +00:00
parent 6cd2571678
commit 4876a76c00
1 changed files with 34 additions and 5 deletions
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39
src/GEOMImpl/GEOMImpl_IMeasureOperations.cxx
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@ -89,21 +89,22 @@
#include <gp_Lin.hxx>
#include <GeomAPI_ProjectPointOnCurve.hxx>
#include <ShapeAnalysis.hxx>
#include <ShapeAnalysis_Surface.hxx>
#include <GeomLProp_CLProps.hxx>
#include <GeomLProp_SLProps.hxx>
#include <ShapeAnalysis.hxx>
#include <ShapeAnalysis_Surface.hxx>
#include <Standard_Failure.hxx>
#include <Standard_ErrorHandler.hxx> // CAREFUL ! position of this file is critic : see Lucien PIGNOLONI / OCC
#include <BRepClass3d_SolidClassifier.hxx>
#include <BRep_Builder.hxx>
#include <GeomAPI_IntSS.hxx>
#include <Geom_Circle.hxx>
#include <Geom_SphericalSurface.hxx>
#include <Geom_ToroidalSurface.hxx>
#include <Geom_Circle.hxx>
#include <BRep_Builder.hxx>
#include <TopoDS_Compound.hxx>
#include <ShapeFix_Shape.hxx>
#include <TopoDS_Compound.hxx>
//=============================================================================
@ -1644,6 +1645,34 @@ Standard_Real GEOMImpl_IMeasureOperations::GetMinDistance
OCC_CATCH_SIGNALS;
#endif
// Issue 0020231: A min distance bug with torus and vertex.
// Make GetMinDistance() return zero if a sole VERTEX is inside any of SOLIDs
// which of shapes consists of only one vertex?
TopExp_Explorer exp1(aShape1,TopAbs_VERTEX), exp2(aShape2,TopAbs_VERTEX);
TopoDS_Shape V1 = exp1.More() ? exp1.Current() : TopoDS_Shape();
TopoDS_Shape V2 = exp2.More() ? exp2.Current() : TopoDS_Shape();
exp1.Next(); exp2.Next();
if ( exp1.More() ) V1.Nullify();
if ( exp2.More() ) V2.Nullify();
// vertex and container of solids
TopoDS_Shape V = V1.IsNull() ? V2 : V1;
TopoDS_Shape S = V1.IsNull() ? aShape1 : aShape2;
if ( !V.IsNull() ) {
// classify vertex against solids
gp_Pnt p = BRep_Tool::Pnt( TopoDS::Vertex( V ) );
for ( exp1.Init( S, TopAbs_SOLID ); exp1.More(); exp1.Next() ) {
BRepClass3d_SolidClassifier classifier( exp1.Current(), p, 1e-6);
if ( classifier.State() == TopAbs_IN ) {
p.Coord(X1, Y1, Z1);
p.Coord(X2, Y2, Z2);
SetErrorCode(OK);
return 0.0;
}
}
}
// End Issue 0020231
// skl 30.06.2008
// additional workaround for bugs 19899, 19908 and 19910 from Mantis
gp_Pnt Ptmp1, Ptmp2;