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0029229: Crash at Poly_Triangulation::Normal

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Fixed creation of returning gp_Dir
This commit is contained in:
dbv 2017-10-14 18:14:06 +03:00 committed by bugmaster
parent 4b1a240135
commit 4ea76aea75
2 changed files with 5 additions and 6 deletions
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9
src/Poly/Poly_Triangulation.cxx
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@ -296,17 +296,16 @@ void Poly_Triangulation::SetNormal (const Standard_Integer theIndex, const gp_Di
//purpose : //purpose :
//======================================================================= //=======================================================================
const gp_Dir Poly_Triangulation::Normal (const Standard_Integer theIndex) const gp_Dir Poly_Triangulation::Normal (const Standard_Integer theIndex) const
{ {
if (myNormals.IsNull() || theIndex < 1 || theIndex > myNodes.Size()) if (myNormals.IsNull() || theIndex < 1 || theIndex > myNodes.Size())
{ {
throw Standard_NullObject ("Poly_Triangulation::Normal : empty array or index out of range"); throw Standard_NullObject ("Poly_Triangulation::Normal : empty array or index out of range");
} }
gp_Dir N; gp_Dir N(myNormals->Value(theIndex * 3 - 2),
N.SetX(myNormals->Value(theIndex * 3 - 2)); myNormals->Value(theIndex * 3 - 1),
N.SetY(myNormals->Value(theIndex * 3 - 1)); myNormals->Value(theIndex * 3));
N.SetZ(myNormals->Value(theIndex * 3));
return N; return N;
} }

2
src/Poly/Poly_Triangulation.hxx
View File

@ -189,7 +189,7 @@ public:
//! @return normal at the given index. //! @return normal at the given index.
//! Raises Standard_OutOfRange exception. //! Raises Standard_OutOfRange exception.
Standard_EXPORT const gp_Dir Normal (const Standard_Integer theIndex) const; Standard_EXPORT gp_Dir Normal (const Standard_Integer theIndex) const;
//! Changes normal at the given index. //! Changes normal at the given index.
//! Raises Standard_OutOfRange exception. //! Raises Standard_OutOfRange exception.