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0020951: EDF 1501 SMESH: Conversion linear/quadratic with medium nodes on geometry fails with GHS3D

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* Fix GetNodeUV() for a node on seam edge: enable projection of node in face
 * Fix GetMediumNode(): set a node in volume #1 as well
 * Fix QFace::GetLinkChain(), case of triangles
This commit is contained in:
eap 2010-07-27 13:05:28 +00:00
parent a8864480d4
commit 52be03b564
1 changed files with 15 additions and 7 deletions
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22
src/SMESH/SMESH_MesherHelper.cxx
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@ -380,7 +380,7 @@ gp_XY SMESH_MesherHelper::GetNodeUV(const TopoDS_Face& F,
// for a node on a seam edge select one of UVs on 2 pcurves
if ( n2 && IsSeamShape( edgeID ) )
{
uv = GetUVOnSeam( uv, GetNodeUV( F, n2, 0 ));
uv = GetUVOnSeam( uv, GetNodeUV( F, n2, 0, check ));
}
else
{ // adjust uv to period
@ -843,7 +843,7 @@ const SMDS_MeshNode* SMESH_MesherHelper::GetMediumNode(const SMDS_MeshNode* n1,
CheckNodeU( E, n12, U, BRep_Tool::Tolerance( E ), /*force=*/true);
meshDS->SetNodeOnEdge(n12, edgeID, U);
}
else if ( myShapeID > 1 )
else if ( myShapeID > 0 )
{
meshDS->SetNodeInVolume(n12, myShapeID);
}
@ -1393,7 +1393,7 @@ namespace { // Structures used by FixQuadraticElements()
//=======================================================================
#define __DMP__(txt) \
// cout << txt
//cout << txt
#define MSG(txt) __DMP__(txt<<endl)
#define MSGBEG(txt) __DMP__(txt)
@ -1616,7 +1616,7 @@ namespace { // Structures used by FixQuadraticElements()
}
//================================================================================
/*!
* \brief Make up chain of links
* \brief Make up a chain of links
* \param iSide - link to add first
* \param chain - chain to fill in
* \param pos - postion of medium nodes the links should have
@ -1636,18 +1636,26 @@ namespace { // Structures used by FixQuadraticElements()
if ( _sides.size() != 4 ) { // triangle - visit all my continous faces
MSGBEG( *this );
list< const QFace* > faces( 1, this );
for (list< const QFace* >::iterator fIt = faces.begin(); fIt != faces.end(); ++fIt ) {
const QFace* face = *fIt;
while ( !faces.empty() ) {
const QFace* face = faces.front();
for ( int i = 0; i < face->_sides.size(); ++i ) {
if ( !face->_sideIsAdded[i] && face->_sides[i] ) {
face->_sideIsAdded[i] = true;
TChain::iterator chLink = chain.insert( chain.begin(), TChainLink(face->_sides[i]));
// find a face side in the chain
TChain::iterator chLink = chain.begin();
for ( ; chLink != chain.end(); ++chLink )
if ( chLink->_qlink == face->_sides[i] )
break;
if ( chLink == chain.end() )
chLink = chain.insert( chain.begin(), TChainLink(face->_sides[i]));
// add a face to a chained link and put a continues face in the queue
chLink->SetFace( face );
if ( face->_sides[i]->MediumPos() >= pos )
if ( const QFace* contFace = face->_sides[i]->GetContinuesFace( face ))
faces.push_back( contFace );
}
}
faces.pop_front();
}
if ( error < ERR_TRI )
error = ERR_TRI;