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fix face orientation in projectPartner() if project from the equal face

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This commit is contained in:
eap 2011-05-30 09:38:54 +00:00
parent 250ed36f5f
commit 1dee10aec7
1 changed files with 8 additions and 3 deletions
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11
src/StdMeshers/StdMeshers_Projection_2D.cxx
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@ -531,6 +531,11 @@ namespace {
const SMDS_MeshNode* nullNode = 0; const SMDS_MeshNode* nullNode = 0;
// indices of nodes to create properly oriented faces
int tri1 = 1, tri2 = 2, quad1 = 1, quad3 = 3;
if ( trsf.Form() != gp_Identity )
std::swap( tri1, tri2 ), std::swap( quad1, quad3 );
SMESHDS_SubMesh* srcSubDS = srcMesh->GetMeshDS()->MeshElements( srcFace ); SMESHDS_SubMesh* srcSubDS = srcMesh->GetMeshDS()->MeshElements( srcFace );
SMDS_ElemIteratorPtr elemIt = srcSubDS->GetElements(); SMDS_ElemIteratorPtr elemIt = srcSubDS->GetElements();
vector< const SMDS_MeshNode* > tgtNodes; vector< const SMDS_MeshNode* > tgtNodes;
@ -556,11 +561,11 @@ namespace {
} }
tgtNodes[i] = srcN_tgtN->second; tgtNodes[i] = srcN_tgtN->second;
} }
// create a new face (with reversed orientation) // create a new face
switch ( nbN ) switch ( nbN )
{ {
case 3: helper.AddFace(tgtNodes[0], tgtNodes[2], tgtNodes[1]); break; case 3: helper.AddFace(tgtNodes[0], tgtNodes[tri1], tgtNodes[tri2]); break;
case 4: helper.AddFace(tgtNodes[0], tgtNodes[3], tgtNodes[2], tgtNodes[1]); break; case 4: helper.AddFace(tgtNodes[0], tgtNodes[quad1], tgtNodes[2], tgtNodes[quad3]); break;
} }
} }
return true; return true;