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23440: [CEA 2093] : Merge nodes failed (test case bug_1796_mergenodes)

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This commit is contained in:
eap 2017-05-03 19:52:00 +03:00
parent 3dcb8f1e04
commit fb4363102c
1 changed files with 29 additions and 7 deletions
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36
src/SMESH/SMESH_MeshEditor.cxx
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@ -7458,8 +7458,8 @@ void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes,
for ( size_t i = 0; i < newElemDefs.size(); ++i ) for ( size_t i = 0; i < newElemDefs.size(); ++i )
{ {
if ( i > 0 || !mesh->ChangeElementNodes( elem, & if ( i > 0 || !mesh->ChangeElementNodes( elem,
newElemDefs[i].myNodes[0], & newElemDefs[i].myNodes[0],
newElemDefs[i].myNodes.size() )) newElemDefs[i].myNodes.size() ))
{ {
if ( i == 0 ) if ( i == 0 )
@ -7553,6 +7553,30 @@ bool SMESH_MeshEditor::applyMerge( const SMDS_MeshElement* elem,
toRemove = true; toRemove = true;
nbResElems = 0; nbResElems = 0;
if ( elem->IsQuadratic() && newElemDefs[0].myType == SMDSAbs_Face && nbNodes > 6 )
{
// if corner nodes stick, remove medium nodes between them from uniqueNodes
int nbCorners = nbNodes / 2;
for ( int iCur = 0; iCur < nbCorners; ++iCur )
{
int iPrev = ( iCur + 1 ) % nbCorners;
if ( curNodes[ iCur ] == curNodes[ iPrev ] ) // corners stick
{
int iMedium = iCur + nbCorners;
vector< const SMDS_MeshNode* >::iterator i =
std::find( uniqueNodes.begin() + nbCorners - nbRepl,
uniqueNodes.end(),
curNodes[ iMedium ]);
if ( i != uniqueNodes.end() )
{
--nbUniqueNodes;
for ( ; i+1 != uniqueNodes.end(); ++i )
*i = *(i+1);
}
}
}
}
switch ( entity ) switch ( entity )
{ {
case SMDSEntity_Polygon: case SMDSEntity_Polygon:
@ -7670,11 +7694,9 @@ bool SMESH_MeshEditor::applyMerge( const SMDS_MeshElement* elem,
// | | // | |
// +---+---+ // +---+---+
// 0 7 3 // 0 7 3
if (( nbUniqueNodes == 6 && nbRepl == 2 ) && if ( nbUniqueNodes == 6 &&
(( iRepl[0] == 1 && iRepl[1] == 4 && curNodes[1] == curNodes[0] ) || iRepl[0] < 4 &&
( iRepl[0] == 2 && iRepl[1] == 5 && curNodes[2] == curNodes[1] ) || ( nbRepl == 1 || iRepl[1] >= 4 ))
( iRepl[0] == 3 && iRepl[1] == 6 && curNodes[3] == curNodes[2] ) ||
( iRepl[0] == 3 && iRepl[1] == 7 && curNodes[3] == curNodes[0] )))
{ {
toRemove = false; toRemove = false;
} }