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Regression of SMESH_TEST/Grids/smesh/mesh_Quadratic/B6

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fix GetFaceNormal() for quadratic volumes
This commit is contained in:
eap 2012-04-19 14:43:20 +00:00
parent 41d5faf93f
commit 1d5a7c2d76
1 changed files with 6 additions and 6 deletions
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12
src/SMDS/SMDS_VolumeTool.cxx
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@ -1017,16 +1017,16 @@ bool SMDS_VolumeTool::GetFaceNormal (int faceIndex, double & X, double & Y, doub
if ( !setFace( faceIndex )) if ( !setFace( faceIndex ))
return false; return false;
XYZ p1 ( myFaceNodes[0] ); const int iQuad = ( myFaceNbNodes > 6 && !myPolyedre ) ? 2 : 1;
XYZ p2 ( myFaceNodes[1] ); XYZ p1 ( myFaceNodes[0*iQuad] );
XYZ p3 ( myFaceNodes[2] ); XYZ p2 ( myFaceNodes[1*iQuad] );
XYZ p3 ( myFaceNodes[2*iQuad] );
XYZ aVec12( p2 - p1 ); XYZ aVec12( p2 - p1 );
XYZ aVec13( p3 - p1 ); XYZ aVec13( p3 - p1 );
XYZ cross = aVec12.Crossed( aVec13 ); XYZ cross = aVec12.Crossed( aVec13 );
//if ( myFaceNbNodes == 4 ) { if ( myFaceNbNodes >3*iQuad ) {
if ( myFaceNbNodes >3 ) { XYZ p4 ( myFaceNodes[3*iQuad] );
XYZ p4 ( myFaceNodes[3] );
XYZ aVec14( p4 - p1 ); XYZ aVec14( p4 - p1 );
XYZ cross2 = aVec13.Crossed( aVec14 ); XYZ cross2 = aVec13.Crossed( aVec14 );
cross = cross + cross2; cross = cross + cross2;