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Merge from BR_Dev_For_6_3_1 03/06/2011

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vsr 2011-06-03 09:55:14 +00:00
parent 4b5fd249ab
commit 5958bdcce7
11 changed files with 456 additions and 196 deletions
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3
idl/SMESH_Gen.idl
View File

@ -70,7 +70,8 @@ module SMESH
const long Tag_EdgeGroups = 12;
const long Tag_FaceGroups = 13;
const long Tag_VolumeGroups = 14;
const long Tag_LastGroup = 14;
const long Tag_0DElementsGroups = 15;
const long Tag_LastGroup = 15;
/*!
* Hypothesis definintion error

4
src/SMDS/SMDS_VolumeTool.hxx
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@ -139,12 +139,16 @@ class SMDS_EXPORT SMDS_VolumeTool
// To comfort link iteration, the array
// length == NbFaceNodes( faceIndex ) + 1 and
// the last node index == the first one.
// NOTE: for the quadratic volume, node indoces are in the order the nodes encounter
// in face boundary and not the order they are in the mesh face
const SMDS_MeshNode** GetFaceNodes( int faceIndex );
// Return the array of face nodes.
// To comfort link iteration, the array
// length == NbFaceNodes( faceIndex ) + 1 and
// the last node == the first one.
// NOTE: for the quadratic volume, nodes are in the order they encounter in face boundary
// and not the order they are in the mesh face
// WARNING: do not modify the array, some methods
// work basing on its contents

23
src/SMESH/SMESH_Gen.cxx
View File

@ -25,14 +25,18 @@
// Author : Paul RASCLE, EDF
// Module : SMESH
//
#define CHRONODEF
//#define CHRONODEF
#include "SMESH_Gen.hxx"
#include "SMESH_subMesh.hxx"
#include "SMESH_HypoFilter.hxx"
#include "SMESHDS_Document.hxx"
#include "SMDS_Mesh.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMDS_Mesh.hxx"
#include "SMESHDS_Document.hxx"
#include "SMESH_HypoFilter.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_subMesh.hxx"
#include "utilities.h"
#include "OpUtil.hxx"
@ -348,6 +352,15 @@ bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
MESSAGE("Number of cell objects " << SMDS_MeshCell::nbCells);
//myMesh->dumpGrid();
//aMesh.GetMeshDS()->Modified();
// fix quadratic mesh by bending iternal links near concave boundary
if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
!aShapesId ) // not preview
{
SMESH_MesherHelper aHelper( aMesh );
if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
aHelper.FixQuadraticElements();
}
return ret;
}

232
src/SMESH/SMESH_MeshEditor.cxx
View File

@ -4019,93 +4019,111 @@ void SMESH_MeshEditor::makeWalls (TNodeOfNodeListMap & mapNewNodes,
for ( int iStep = 0; iStep < nbSteps; iStep++ ) {
vTool.Set( *v );
vTool.SetExternalNormal();
const int nextShift = vTool.IsForward() ? +1 : -1;
list< int >::iterator ind = freeInd.begin();
list< const SMDS_MeshElement* >::iterator srcEdge = srcEdges.begin();
for ( ; ind != freeInd.end(); ++ind, ++srcEdge ) // loop on free faces
{
const SMDS_MeshNode** nodes = vTool.GetFaceNodes( *ind );
int nbn = vTool.NbFaceNodes( *ind );
switch ( nbn ) {
case 3: { ///// triangle
const SMDS_MeshFace * f = aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ]);
if ( !f )
myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ] ));
else if ( nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 ))
if ( ! (*v)->IsPoly() )
switch ( nbn ) {
case 3: { ///// triangle
const SMDS_MeshFace * f = aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ]);
if ( !f ||
nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ]) + nextShift ))
{
myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ] ));
aMesh->RemoveElement(f);
}
break;
}
case 4: { ///// quadrangle
const SMDS_MeshFace * f = aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ]);
if ( !f )
myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ] ));
else if ( nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 ))
{
myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ] ));
aMesh->RemoveElement(f);
}
break;
}
default:
if( (*v)->IsQuadratic() ) {
if(nbn==6) { /////// quadratic triangle
const SMDS_MeshFace * f = aMesh->FindFace( nodes[0], nodes[2], nodes[4],
nodes[1], nodes[3], nodes[5] );
if ( !f ) {
myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4],
nodes[1], nodes[3], nodes[5]));
}
else if ( nodes[ 2 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 )) {
const SMDS_MeshNode** tmpnodes = new const SMDS_MeshNode*[6];
tmpnodes[0] = nodes[0];
tmpnodes[1] = nodes[2];
tmpnodes[2] = nodes[4];
tmpnodes[3] = nodes[1];
tmpnodes[4] = nodes[3];
tmpnodes[5] = nodes[5];
myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4],
nodes[1], nodes[3], nodes[5]));
aMesh->RemoveElement(f);
}
}
else { /////// quadratic quadrangle
const SMDS_MeshFace * f = aMesh->FindFace( nodes[0], nodes[2], nodes[4], nodes[6],
nodes[1], nodes[3], nodes[5], nodes[7] );
if ( !f ) {
myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4], nodes[6],
nodes[1], nodes[3], nodes[5], nodes[7]));
}
else if ( nodes[ 2 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 )) {
const SMDS_MeshNode** tmpnodes = new const SMDS_MeshNode*[8];
tmpnodes[0] = nodes[0];
tmpnodes[1] = nodes[2];
tmpnodes[2] = nodes[4];
tmpnodes[3] = nodes[6];
tmpnodes[4] = nodes[1];
tmpnodes[5] = nodes[3];
tmpnodes[6] = nodes[5];
tmpnodes[7] = nodes[7];
myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4], nodes[6],
nodes[1], nodes[3], nodes[5], nodes[7]));
aMesh->RemoveElement(f);
}
const SMDS_MeshNode* newOrder[3] = { nodes[ 1 - nextShift ],
nodes[ 1 ],
nodes[ 1 + nextShift ] };
if ( f )
aMesh->ChangeElementNodes( f, &newOrder[0], nbn );
else
myLastCreatedElems.Append(aMesh->AddFace( newOrder[ 0 ], newOrder[ 1 ],
newOrder[ 2 ] ));
}
break;
}
else { //////// polygon
vector<const SMDS_MeshNode*> polygon_nodes ( nodes, &nodes[nbn] );
const SMDS_MeshFace * f = aMesh->FindFace( polygon_nodes );
if ( !f )
case 4: { ///// quadrangle
const SMDS_MeshFace * f =
aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ]);
if ( !f ||
nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ]) + nextShift ))
{
const SMDS_MeshNode* newOrder[4] = { nodes[ 0 ], nodes[ 2-nextShift ],
nodes[ 2 ], nodes[ 2+nextShift ] };
if ( f )
aMesh->ChangeElementNodes( f, &newOrder[0], nbn );
else
myLastCreatedElems.Append(aMesh->AddFace( newOrder[ 0 ], newOrder[ 1 ],
newOrder[ 2 ], newOrder[ 3 ]));
}
break;
}
case 6: { /////// quadratic triangle
const SMDS_MeshFace * f = aMesh->FindFace( nodes[0], nodes[2], nodes[4],
nodes[1], nodes[3], nodes[5] );
if ( !f ||
nodes[2] != f->GetNodeWrap( f->GetNodeIndex( nodes[0] ) + 2*nextShift ))
{
const SMDS_MeshNode* newOrder[6] = { nodes[2 - 2*nextShift],
nodes[2],
nodes[2 + 2*nextShift],
nodes[3 - 2*nextShift],
nodes[3],
nodes[3 + 2*nextShift]};
if ( f )
aMesh->ChangeElementNodes( f, &newOrder[0], nbn );
else
myLastCreatedElems.Append(aMesh->AddFace( newOrder[ 0 ],
newOrder[ 1 ],
newOrder[ 2 ],
newOrder[ 3 ],
newOrder[ 4 ],
newOrder[ 5 ] ));
}
break;
}
default: /////// quadratic quadrangle
const SMDS_MeshFace * f = aMesh->FindFace( nodes[0], nodes[2], nodes[4], nodes[6],
nodes[1], nodes[3], nodes[5], nodes[7] );
if ( !f ||
nodes[ 2 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 2*nextShift ))
{
const SMDS_MeshNode* newOrder[8] = { nodes[0],
nodes[4 - 2*nextShift],
nodes[4],
nodes[4 + 2*nextShift],
nodes[1],
nodes[5 - 2*nextShift],
nodes[5],
nodes[5 + 2*nextShift] };
if ( f )
aMesh->ChangeElementNodes( f, &newOrder[0], nbn );
else
myLastCreatedElems.Append(aMesh->AddFace(newOrder[ 0 ], newOrder[ 1 ],
newOrder[ 2 ], newOrder[ 3 ],
newOrder[ 4 ], newOrder[ 5 ],
newOrder[ 6 ], newOrder[ 7 ]));
}
} // switch ( nbn )
else { //////// polygon
vector<const SMDS_MeshNode*> polygon_nodes ( nodes, &nodes[nbn] );
const SMDS_MeshFace * f = aMesh->FindFace( polygon_nodes );
if ( !f ||
nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + nextShift ))
{
if ( !vTool.IsForward() )
std::reverse( polygon_nodes.begin(), polygon_nodes.end());
if ( f )
aMesh->ChangeElementNodes( f, &polygon_nodes[0], nbn );
else
myLastCreatedElems.Append(aMesh->AddPolygonalFace(polygon_nodes));
else if ( nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 ))
{
// TODO problem ChangeElementNodes : not the same number of nodes, not the same type
MESSAGE("ChangeElementNodes");
aMesh->ChangeElementNodes( f, nodes, nbn );
}
}
}
while ( srcElements.Length() < myLastCreatedElems.Length() )
srcElements.Append( *srcEdge );
@ -4114,8 +4132,9 @@ void SMESH_MeshEditor::makeWalls (TNodeOfNodeListMap & mapNewNodes,
// go to the next volume
iVol = 0;
while ( iVol++ < nbVolumesByStep ) v++;
}
}
} // loop on steps
} // loop on volumes of one step
} // sweep free links into faces
// Make a ceiling face with a normal external to a volume
@ -7368,8 +7387,11 @@ void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes)
}
curNodes[ iCur ] = n;
bool isUnique = nodeSet.insert( n ).second;
if ( isUnique )
if ( isUnique ) {
uniqueNodes[ iUnique++ ] = n;
if ( nbRepl && iRepl[ nbRepl-1 ] == iCur )
--nbRepl; // n do not stick to a node of the elem
}
iCur++;
}
@ -7481,7 +7503,7 @@ void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes)
}
continue;
}
} // poly element
// Regular elements
// TODO not all the possible cases are solved. Find something more generic?
@ -7654,8 +7676,8 @@ void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes)
isOk = false;
SMDS_VolumeTool hexa (elem);
hexa.SetExternalNormal();
if ( nbUniqueNodes == 4 && nbRepl == 6 ) {
//////////////////////// ---> tetrahedron
if ( nbUniqueNodes == 4 && nbRepl == 4 ) {
//////////////////////// HEX ---> 1 tetrahedron
for ( int iFace = 0; iFace < 6; iFace++ ) {
const int *ind = hexa.GetFaceNodesIndices( iFace ); // indices of face nodes
if (curNodes[ind[ 0 ]] == curNodes[ind[ 1 ]] &&
@ -7665,12 +7687,9 @@ void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes)
int iOppFace = hexa.GetOppFaceIndex( iFace );
ind = hexa.GetFaceNodesIndices( iOppFace );
int nbStick = 0;
iUnique = 2; // reverse a tetrahedron bottom
for ( iCur = 0; iCur < 4 && nbStick < 2; iCur++ ) {
if ( curNodes[ind[ iCur ]] == curNodes[ind[ iCur + 1 ]] )
nbStick++;
else if ( iUnique >= 0 )
uniqueNodes[ iUnique-- ] = curNodes[ind[ iCur ]];
}
if ( nbStick == 1 ) {
// ... and the opposite one - into a triangle.
@ -7683,6 +7702,45 @@ void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes)
}
}
}
else if ( nbUniqueNodes == 6 && nbRepl == 2 ) {
//////////////////////// HEX ---> 1 prism
int nbTria = 0, iTria[3];
const int *ind; // indices of face nodes
// look for triangular faces
for ( int iFace = 0; iFace < 6 && nbTria < 3; iFace++ ) {
ind = hexa.GetFaceNodesIndices( iFace );
TIDSortedNodeSet faceNodes;
for ( iCur = 0; iCur < 4; iCur++ )
faceNodes.insert( curNodes[ind[iCur]] );
if ( faceNodes.size() == 3 )
iTria[ nbTria++ ] = iFace;
}
// check if triangles are opposite
if ( nbTria == 2 && iTria[0] == hexa.GetOppFaceIndex( iTria[1] ))
{
isOk = true;
// set nodes of the bottom triangle
ind = hexa.GetFaceNodesIndices( iTria[ 0 ]);
vector<int> indB;
for ( iCur = 0; iCur < 4; iCur++ )
if ( ind[iCur] != iRepl[0] && ind[iCur] != iRepl[1])
indB.push_back( ind[iCur] );
if ( !hexa.IsForward() )
std::swap( indB[0], indB[2] );
for ( iCur = 0; iCur < 3; iCur++ )
uniqueNodes[ iCur ] = curNodes[indB[iCur]];
// set nodes of the top triangle
const int *indT = hexa.GetFaceNodesIndices( iTria[ 1 ]);
for ( iCur = 0; iCur < 3; ++iCur )
for ( int j = 0; j < 4; ++j )
if ( hexa.IsLinked( indB[ iCur ], indT[ j ] ))
{
uniqueNodes[ iCur + 3 ] = curNodes[ indT[ j ]];
break;
}
}
break;
}
else if (nbUniqueNodes == 5 && nbRepl == 4 ) {
//////////////////// HEXAHEDRON ---> 2 tetrahedrons
for ( int iFace = 0; iFace < 6; iFace++ ) {
@ -7820,6 +7878,10 @@ void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes)
}
}
} // if ( nbUniqueNodes == 6 && nbRepl == 4 )
else
{
MESSAGE("MergeNodes() removes hexahedron "<< elem);
}
break;
} // HEXAHEDRON
@ -9366,7 +9428,7 @@ void SMESH_MeshEditor::ConvertToQuadratic(const bool theForce3d)
}
}
if ( !theForce3d && !getenv("NO_FixQuadraticElements"))
if ( !theForce3d )
{ // setenv NO_FixQuadraticElements to know if FixQuadraticElements() is guilty of bad conversion
aHelper.SetSubShape(0); // apply FixQuadraticElements() to the whole mesh
aHelper.FixQuadraticElements();

316
src/SMESH/SMESH_MesherHelper.cxx
View File

@ -40,7 +40,7 @@
#include <GeomAPI_ProjectPointOnCurve.hxx>
#include <GeomAPI_ProjectPointOnSurf.hxx>
#include <Geom_Curve.hxx>
//#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_Surface.hxx>
#include <ShapeAnalysis.hxx>
#include <TopExp.hxx>
@ -735,7 +735,14 @@ gp_XY SMESH_MesherHelper::GetMiddleUV(const Handle(Geom_Surface)& surface,
const gp_XY& p1,
const gp_XY& p2)
{
return applyIn2D( surface, p1, p2, & AverageUV );
// NOTE:
// the proper place of getting basic surface seems to be in applyIn2D()
// but we put it here to decrease a risk of regressions just before releasing a version
Handle(Geom_Surface) surf = surface;
while ( !surf.IsNull() && surf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface )))
surf = Handle(Geom_RectangularTrimmedSurface)::DownCast( surf )->BasisSurface();
return applyIn2D( surf, p1, p2, & AverageUV );
}
//=======================================================================
@ -1830,6 +1837,57 @@ double SMESH_MesherHelper::GetOtherParam(const double param) const
return fabs(param-myPar1[i]) < fabs(param-myPar2[i]) ? myPar2[i] : myPar1[i];
}
namespace {
//=======================================================================
/*!
* \brief Iterator on ancestors of the given type
*/
//=======================================================================
struct TAncestorsIterator : public SMDS_Iterator<const TopoDS_Shape*>
{
TopTools_ListIteratorOfListOfShape _ancIter;
TopAbs_ShapeEnum _type;
TopTools_MapOfShape _encountered;
TAncestorsIterator( const TopTools_ListOfShape& ancestors, TopAbs_ShapeEnum type)
: _ancIter( ancestors ), _type( type )
{
if ( _ancIter.More() ) {
if ( _ancIter.Value().ShapeType() != _type ) next();
else _encountered.Add( _ancIter.Value() );
}
}
virtual bool more()
{
return _ancIter.More();
}
virtual const TopoDS_Shape* next()
{
const TopoDS_Shape* s = _ancIter.More() ? & _ancIter.Value() : 0;
if ( _ancIter.More() )
for ( _ancIter.Next(); _ancIter.More(); _ancIter.Next())
if ( _ancIter.Value().ShapeType() == _type && _encountered.Add( _ancIter.Value() ))
break;
return s;
}
};
} // namespace
//=======================================================================
/*!
* \brief Return iterator on ancestors of the given type
*/
//=======================================================================
PShapeIteratorPtr SMESH_MesherHelper::GetAncestors(const TopoDS_Shape& shape,
const SMESH_Mesh& mesh,
TopAbs_ShapeEnum ancestorType)
{
return PShapeIteratorPtr( new TAncestorsIterator( mesh.GetAncestors(shape), ancestorType));
}
//#include <Perf_Meter.hxx>
//=======================================================================
@ -1882,7 +1940,7 @@ namespace { // Structures used by FixQuadraticElements()
void Move(const gp_Vec& move, bool sum=false) const
{ _nodeMove += move; _nbMoves += sum ? (_nbMoves==0) : 1; }
gp_XYZ Move() const { return _nodeMove.XYZ() / _nbMoves; }
bool IsMoved() const { return (_nbMoves > 0 && !IsStraight()); }
bool IsMoved() const { return (_nbMoves > 0 /*&& !IsStraight()*/); }
bool IsStraight() const
{ return isStraightLink( (XYZ(node1())-XYZ(node2())).SquareModulus(),
_nodeMove.SquareMagnitude());
@ -1928,6 +1986,8 @@ namespace { // Structures used by FixQuadraticElements()
const QLink* operator->() const { return _qlink; }
gp_Vec Normal() const;
bool IsStraight() const;
};
// --------------------------------------------------------------------
typedef list< TChainLink > TChain;
@ -2105,9 +2165,10 @@ namespace { // Structures used by FixQuadraticElements()
// 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 ( face->_sides[i]->MediumPos() == pos )
if ( const QFace* contFace = face->_sides[i]->GetContinuesFace( face ))
faces.push_back( contFace );
if ( contFace->_sides.size() == 3 )
faces.push_back( contFace );
}
}
faces.pop_front();
@ -2130,10 +2191,11 @@ namespace { // Structures used by FixQuadraticElements()
// propagate from quadrangle to neighbour faces
if ( link->MediumPos() >= pos ) {
int nbLinkFaces = link->_faces.size();
if ( nbLinkFaces == 4 || (nbLinkFaces < 4 && link->OnBoundary())) {
if ( nbLinkFaces == 4 || (/*nbLinkFaces < 4 && */link->OnBoundary())) {
// hexahedral mesh or boundary quadrangles - goto a continous face
if ( const QFace* f = link->GetContinuesFace( this ))
return f->GetLinkChain( *chLink, chain, pos, error );
if ( f->_sides.size() == 4 )
return f->GetLinkChain( *chLink, chain, pos, error );
}
else {
TChainLink chLink(link); // side face of prismatic mesh - visit all faces of iSide
@ -2327,7 +2389,7 @@ namespace { // Structures used by FixQuadraticElements()
gp_Vec linkDir2(0,0,0);
try {
OCC_CATCH_SIGNALS;
if ( f1 )
if ( f1 && theLink->MediumPos() <= (*link1)->MediumPos() )
len1 = f1->MoveByBoundary
( *link1, theRefVec, theLinks, theFaceHelper, len1, theStep-1, &linkDir1, theSign);
else
@ -2338,7 +2400,7 @@ namespace { // Structures used by FixQuadraticElements()
}
try {
OCC_CATCH_SIGNALS;
if ( f2 )
if ( f2 && theLink->MediumPos() <= (*link2)->MediumPos() )
len2 = f2->MoveByBoundary
( *link2, theRefVec, theLinks, theFaceHelper, len2, theStep-1, &linkDir2, theSign);
else
@ -2417,7 +2479,9 @@ namespace { // Structures used by FixQuadraticElements()
if ( _faces.empty() )
return;
int iFaceCont = -1;
int iFaceCont = -1, nbBoundary = 0, iBoundary[2]={-1,-1};
if ( _faces[0]->IsBoundary() )
iBoundary[ nbBoundary++ ] = 0;
for ( int iF = 1; iFaceCont < 0 && iF < _faces.size(); ++iF )
{
// look for a face bounding none of volumes bound by _faces[0]
@ -2428,8 +2492,21 @@ namespace { // Structures used by FixQuadraticElements()
_faces[iF]->_volumes[iV] == _faces[0]->_volumes[1]);
if ( !sameVol )
iFaceCont = iF;
if ( _faces[iF]->IsBoundary() )
iBoundary[ nbBoundary++ ] = iF;
}
if ( iFaceCont > 0 ) // continues faces found, set one by the other
// Set continues faces: arrange _faces to have
// _faces[0] continues to _faces[1]
// _faces[2] continues to _faces[3]
if ( nbBoundary == 2 ) // bnd faces are continues
{
if (( iBoundary[0] < 2 ) != ( iBoundary[1] < 2 ))
{
int iNear0 = iBoundary[0] < 2 ? 1-iBoundary[0] : 5-iBoundary[0];
std::swap( _faces[ iBoundary[1] ], _faces[iNear0] );
}
}
else if ( iFaceCont > 0 ) // continues faces found
{
if ( iFaceCont != 1 )
std::swap( _faces[1], _faces[iFaceCont] );
@ -2479,6 +2556,27 @@ namespace { // Structures used by FixQuadraticElements()
if (_qfaces[1]) norm += _qfaces[1]->_normal;
return norm;
}
//================================================================================
/*!
* \brief Test link curvature taking into account size of faces
*/
//================================================================================
bool TChainLink::IsStraight() const
{
bool isStraight = _qlink->IsStraight();
if ( isStraight && _qfaces[0] && !_qfaces[1] )
{
int i = _qfaces[0]->LinkIndex( _qlink );
int iOpp = ( i + 2 ) % _qfaces[0]->_sides.size();
gp_XYZ mid1 = _qlink->MiddlePnt();
gp_XYZ mid2 = _qfaces[0]->_sides[ iOpp ]->MiddlePnt();
double faceSize2 = (mid1-mid2).SquareModulus();
isStraight = _qlink->_nodeMove.SquareMagnitude() < 1/3./3. * faceSize2;
}
return isStraight;
}
//================================================================================
/*!
* \brief Move medium nodes of vertical links of pentahedrons adjacent by side faces
@ -2497,7 +2595,7 @@ namespace { // Structures used by FixQuadraticElements()
bndLinks1.insert( lnk->_qlink );
else
interLinks.insert( lnk->_qlink );
isCurved = isCurved || !(*lnk)->IsStraight();
isCurved = isCurved || !lnk->IsStraight();
}
if ( !isCurved )
return; // no need to move
@ -2546,7 +2644,7 @@ namespace { // Structures used by FixQuadraticElements()
for ( linkIt = linkSet.begin(); linkIt != linksEnd; ++linkIt)
{
if ( linkIt->IsBoundary() && !(*linkIt)->IsStraight() && linkIt->_qfaces[0])
if ( linkIt->IsBoundary() && !linkIt->IsStraight() && linkIt->_qfaces[0])
{
// move iff a boundary link is bent towards inside of a face (issue 0021084)
const QFace* face = linkIt->_qfaces[0];
@ -2757,6 +2855,10 @@ namespace { // Structures used by FixQuadraticElements()
void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
{
// setenv NO_FixQuadraticElements to know if FixQuadraticElements() is guilty of bad conversion
if ( getenv("NO_FixQuadraticElements") )
return;
// 0. Apply algorithm to solids or geom faces
// ----------------------------------------------
if ( myShape.IsNull() ) {
@ -2789,7 +2891,7 @@ void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
}
// fix nodes on geom faces
#ifdef _DEBUG_
//int nbfaces = faces.Extent();
int nbfaces = faces.Extent(); /*avoid "unused varianbles": */ nbfaces++, nbfaces--;
#endif
for ( TopTools_MapIteratorOfMapOfShape fIt( faces ); fIt.More(); fIt.Next() ) {
MSG("FIX FACE " << nbfaces-- << " #" << GetMeshDS()->ShapeToIndex(fIt.Key()));
@ -2831,15 +2933,18 @@ void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
bool isCurved = false;
//bool hasRectFaces = false;
//set<int> nbElemNodeSet;
SMDS_VolumeTool volTool;
TIDSortedNodeSet apexOfPyramid;
const int apexIndex = 4;
if ( elemType == SMDSAbs_Volume )
{
SMDS_VolumeTool volTool;
while ( elemIt->more() ) // loop on volumes
{
const SMDS_MeshElement* vol = elemIt->next();
if ( !vol->IsQuadratic() || !volTool.Set( vol ))
return; //continue;
return;
for ( int iF = 0; iF < volTool.NbFaces(); ++iF ) // loop on faces of volume
{
int nbN = volTool.NbFaceNodes( iF );
@ -2873,6 +2978,9 @@ void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
faceNodes[4],faceNodes[6] );
#endif
}
// collect pyramid apexes for further correction
if ( vol->NbCornerNodes() == 5 )
apexOfPyramid.insert( vol->GetNode( apexIndex ));
}
set< QLink >::iterator pLink = links.begin();
for ( ; pLink != links.end(); ++pLink )
@ -2907,9 +3015,9 @@ void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
return; // no curved edges of faces
// 3. Compute displacement of medium nodes
// -------------------------------------
// ---------------------------------------
// two loops on faces: the first is to treat boundary links, the second is for internal ones
// two loops on QFaces: the first is to treat boundary links, the second is for internal ones
TopLoc_Location loc;
// not treat boundary of volumic submesh
int isInside = ( elemType == SMDSAbs_Volume && volumeOnly ) ? 1 : 0;
@ -2921,7 +3029,7 @@ void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
for ( pFace = faces.begin(); pFace != faces.end(); ++pFace ) {
if ( bool(isInside) == pFace->IsBoundary() )
continue;
for ( int dir = 0; dir < 2; ++dir ) // 2 directions of propagation from quadrangle
for ( int dir = 0; dir < 2; ++dir ) // 2 directions of propagation from the quadrangle
{
MSG( "CHAIN");
// make chain of links connected via continues faces
@ -2954,12 +3062,12 @@ void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
{
TChain& chain = chains[iC];
if ( chain.empty() ) continue;
if ( chain.front()->IsStraight() && chain.back()->IsStraight() ) {
if ( chain.front().IsStraight() && chain.back().IsStraight() ) {
MSG("3D straight - ignore");
continue;
}
if ( chain.front()->MediumPos() > bndPos ||
chain.back()->MediumPos() > bndPos ) {
chain.back() ->MediumPos() > bndPos ) {
MSG("Internal chain - ignore");
continue;
}
@ -2989,9 +3097,11 @@ void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
TopoDS_Face face;
bool checkUV = true;
if ( !isInside ) {
// compute node displacement of end links in parametric space of face
const SMDS_MeshNode* nodeOnFace = (*(++chain.begin()))->_mediumNode;
if ( !isInside )
{
// compute node displacement of end links of chain in parametric space of face
TChainLink& linkOnFace = *(++chain.begin());
const SMDS_MeshNode* nodeOnFace = linkOnFace->_mediumNode;
TopoDS_Shape f = GetSubShapeByNode( nodeOnFace, GetMeshDS() );
if ( !f.IsNull() && f.ShapeType() == TopAbs_FACE )
{
@ -3010,14 +3120,24 @@ void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
( is1 ? move1 : move0 ).SetCoord( uvMove.X(), uvMove.Y(), 0 );
if ( !is1 ) // correct nodeOnFace for move1 (issue 0020919)
nodeOnFace = (*(++chain.rbegin()))->_mediumNode;
isStraight[is1] = isStraightLink( (uv2-uv1).SquareModulus(),uvMove.SquareModulus());
isStraight[is1] = isStraightLink( (uv2-uv1).SquareModulus(),
10 * uvMove.SquareModulus());
}
// if ( move0.SquareMagnitude() < straightTol2 &&
// move1.SquareMagnitude() < straightTol2 ) {
if ( isStraight[0] && isStraight[1] ) {
MSG("2D straight - ignore");
continue; // straight - no need to move nodes of internal links
}
// check if a chain is already fixed
gp_XY uvm = GetNodeUV( face, linkOnFace->_mediumNode, 0, &checkUV);
gp_XY uv1 = GetNodeUV( face, linkOnFace->node1(), nodeOnFace, &checkUV);
gp_XY uv2 = GetNodeUV( face, linkOnFace->node2(), nodeOnFace, &checkUV);
gp_XY uv12 = GetMiddleUV( surf, uv1, uv2);
if (( uvm - uv12 ).SquareModulus() > 1e-10 )
{
MSG("Already fixed - ignore");
continue;
}
}
}
gp_Trsf trsf;
@ -3087,60 +3207,106 @@ void SMESH_MesherHelper::FixQuadraticElements(bool volumeOnly)
}
// 4. Move nodes
// -----------
// -------------
// vector<const SMDS_MeshElement*> vols( 100 );
// vector<double> volSize( 100 );
// int nbVols;
// bool ok;
for ( pLink = links.begin(); pLink != links.end(); ++pLink ) {
if ( pLink->IsMoved() ) {
//gp_Pnt p = pLink->MediumPnt() + pLink->Move();
gp_Pnt p = pLink->MiddlePnt() + pLink->Move();
GetMeshDS()->MoveNode( pLink->_mediumNode, p.X(), p.Y(), p.Z());
//
// gp_Pnt pNew = pLink->MiddlePnt() + pLink->Move();
// if ( pLink->MediumPos() != SMDS_TOP_3DSPACE )
// {
// // avoid making distorted volumes near boundary
// SMDS_ElemIteratorPtr volIt =
// (*pLink)._mediumNode->GetInverseElementIterator( SMDSAbs_Volume );
// for ( nbVols = 0; volIt->more() && volTool.Set( volIt->next() ); ++nbVols )
// {
// vols [ nbVols ] = volTool.Element();
// volSize[ nbVols ] = volTool.GetSize();
// }
// gp_Pnt pOld = pLink->MediumPnt();
// const_cast<SMDS_MeshNode*>( pLink->_mediumNode )->setXYZ( pNew.X(), pNew.Y(), pNew.Z() );
// ok = true;
// while ( nbVols-- && ok )
// {
// volTool.Set( vols[ nbVols ]);
// ok = ( volSize[ nbVols ] * volTool.GetSize() > 1e-20 );
// }
// if ( !ok )
// {
// const_cast<SMDS_MeshNode*>( pLink->_mediumNode )->setXYZ( pOld.X(), pOld.Y(), pOld.Z() );
// MSG( "Do NOT move \t" << pLink->_mediumNode->GetID()
// << " because of distortion of volume " << vols[ nbVols+1 ]->GetID());
// continue;
// }
// }
// GetMeshDS()->MoveNode( pLink->_mediumNode, pNew.X(), pNew.Y(), pNew.Z() );
}
}
//return;
// issue 0020982
// Move the apex of pyramid together with the most curved link
TIDSortedNodeSet::iterator apexIt = apexOfPyramid.begin();
for ( ; apexIt != apexOfPyramid.end(); ++apexIt )
{
SMESH_TNodeXYZ apex = *apexIt;
gp_Vec maxMove( 0,0,0 );
double maxMoveSize2 = 0;
// shift of node index to get medium nodes between the base nodes
const int base2MediumShift = 5;
// find maximal movement of medium node
SMDS_ElemIteratorPtr volIt = apex._node->GetInverseElementIterator( SMDSAbs_Volume );
vector< const SMDS_MeshElement* > pyramids;
while ( volIt->more() )
{
const SMDS_MeshElement* pyram = volIt->next();
if ( pyram->GetEntityType() != SMDSEntity_Quad_Pyramid ) continue;
pyramids.push_back( pyram );
for ( int iBase = 0; iBase < apexIndex; ++iBase )
{
SMESH_TNodeXYZ medium = pyram->GetNode( iBase + base2MediumShift );
if ( medium._node->GetPosition()->GetTypeOfPosition() != SMDS_TOP_3DSPACE )
{
SMESH_TNodeXYZ n1 = pyram->GetNode( iBase );
SMESH_TNodeXYZ n2 = pyram->GetNode( ( iBase+1 ) % 4 );
gp_Pnt middle = 0.5 * ( n1 + n2 );
gp_Vec move( middle, medium );
double moveSize2 = move.SquareMagnitude();
if ( moveSize2 > maxMoveSize2 )
maxMove = move, maxMoveSize2 = moveSize2;
}
}
}
// move the apex
if ( maxMoveSize2 > 1e-20 )
{
apex += maxMove.XYZ();
GetMeshDS()->MoveNode( apex._node, apex.X(), apex.Y(), apex.Z());
// move medium nodes neighboring the apex to the middle
const int base2MediumShift_2 = 9;
for ( unsigned i = 0; i < pyramids.size(); ++i )
for ( int iBase = 0; iBase < apexIndex; ++iBase )
{
SMESH_TNodeXYZ base = pyramids[i]->GetNode( iBase );
const SMDS_MeshNode* medium = pyramids[i]->GetNode( iBase + base2MediumShift_2 );
gp_XYZ middle = 0.5 * ( apex + base );
GetMeshDS()->MoveNode( medium, middle.X(), middle.Y(), middle.Z());
}
}
}
}
//=======================================================================
/*!
* \brief Iterator on ancestors of the given type
*/
//=======================================================================
struct TAncestorsIterator : public SMDS_Iterator<const TopoDS_Shape*>
{
TopTools_ListIteratorOfListOfShape _ancIter;
TopAbs_ShapeEnum _type;
TopTools_MapOfShape _encountered;
TAncestorsIterator( const TopTools_ListOfShape& ancestors, TopAbs_ShapeEnum type)
: _ancIter( ancestors ), _type( type )
{
if ( _ancIter.More() ) {
if ( _ancIter.Value().ShapeType() != _type ) next();
else _encountered.Add( _ancIter.Value() );
}
}
virtual bool more()
{
return _ancIter.More();
}
virtual const TopoDS_Shape* next()
{
const TopoDS_Shape* s = _ancIter.More() ? & _ancIter.Value() : 0;
if ( _ancIter.More() )
for ( _ancIter.Next(); _ancIter.More(); _ancIter.Next())
if ( _ancIter.Value().ShapeType() == _type && _encountered.Add( _ancIter.Value() ))
break;
return s;
}
};
//=======================================================================
/*!
* \brief Return iterator on ancestors of the given type
*/
//=======================================================================
PShapeIteratorPtr SMESH_MesherHelper::GetAncestors(const TopoDS_Shape& shape,
const SMESH_Mesh& mesh,
TopAbs_ShapeEnum ancestorType)
{
return PShapeIteratorPtr( new TAncestorsIterator( mesh.GetAncestors(shape), ancestorType));
}

38
src/SMESH_I/SMESH_Gen_i.cxx
View File

@ -2444,6 +2444,8 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CopyMesh(SMESH::SMESH_IDSource_ptr meshPart,
}
}
newMeshDS->Modified();
*pyDump << newMesh << " = " << this
<< ".CopyMesh( " << meshPart << ", "
<< "'" << meshName << "', "
@ -3138,7 +3140,7 @@ SALOMEDS::TMPFile* SMESH_Gen_i::Save( SALOMEDS::SComponent_ptr theComponent,
// groups root sub-branch
SALOMEDS::SObject_var myGroupsBranch;
for ( int i = GetNodeGroupsTag(); i <= GetVolumeGroupsTag(); i++ ) {
for ( int i = GetNodeGroupsTag(); i <= Get0DElementsGroupsTag(); i++ ) {
found = gotBranch->FindSubObject( i, myGroupsBranch );
if ( found ) {
char name_group[ 30 ];
@ -3150,6 +3152,8 @@ SALOMEDS::TMPFile* SMESH_Gen_i::Save( SALOMEDS::SComponent_ptr theComponent,
strcpy( name_group, "Groups of Faces" );
else if ( i == GetVolumeGroupsTag() )
strcpy( name_group, "Groups of Volumes" );
else if ( i == Get0DElementsGroupsTag() )
strcpy( name_group, "Groups of 0D Elements" );
aGroup = new HDFgroup( name_group, aTopGroup );
aGroup->CreateOnDisk();
@ -3979,7 +3983,8 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
}
}
// try to get applied algorithms
// Try to get applied ALGORITHMS (mesh is not cleared by algo addition because
// nodes and elements are not yet put into sub-meshes)
if ( aTopGroup->ExistInternalObject( "Applied Algorithms" ) ) {
aGroup = new HDFgroup( "Applied Algorithms", aTopGroup );
aGroup->OpenOnDisk();
@ -4127,21 +4132,6 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
if ( aSubMesh->_is_nil() )
continue;
// VSR: Get submesh data from MED convertor
// int anInternalSubmeshId = aSubMesh->GetId(); // this is not a persistent ID, it's an internal one computed from sub-shape
// if (myNewMeshImpl->_mapSubMesh.find(anInternalSubmeshId) != myNewMeshImpl->_mapSubMesh.end()) {
// if(MYDEBUG) MESSAGE("VSR - SMESH_Gen_i::Load(): loading from MED file submesh with ID = " <<
// subid << " for subshape # " << anInternalSubmeshId);
// SMESHDS_SubMesh* aSubMeshDS =
// myNewMeshImpl->_mapSubMesh[anInternalSubmeshId]->CreateSubMeshDS();
// if ( !aSubMeshDS ) {
// if(MYDEBUG) MESSAGE("VSR - SMESH_Gen_i::Load(): FAILED to create a submesh for subshape # " <<
// anInternalSubmeshId << " in current mesh!");
// }
// else
// myReader.GetSubMesh( aSubMeshDS, subid );
// }
// try to get applied algorithms
if ( aSubGroup->ExistInternalObject( "Applied Algorithms" ) ) {
// open "applied algorithms" HDF group
@ -4161,8 +4151,6 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
aDataset->ReadFromDisk( refFromFile );
aDataset->CloseOnDisk();
//SALOMEDS::SObject_var hypSO = myCurrentStudy->FindObjectID( refFromFile );
//CORBA::Object_var hypObject = SObjectToObject( hypSO );
int id = atoi( refFromFile );
string anIOR = myStudyContext->getIORbyOldId( id );
if ( !anIOR.empty() ) {
@ -4198,8 +4186,6 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
aDataset->ReadFromDisk( refFromFile );
aDataset->CloseOnDisk();
//SALOMEDS::SObject_var hypSO = myCurrentStudy->FindObjectID( refFromFile );
//CORBA::Object_var hypObject = SObjectToObject( hypSO );
int id = atoi( refFromFile );
string anIOR = myStudyContext->getIORbyOldId( id );
if ( !anIOR.empty() ) {
@ -4227,11 +4213,11 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
if(hasData) {
// Read sub-meshes from MED
// -------------------------
// Read sub-meshes
// ----------------
if(MYDEBUG) MESSAGE("Create all sub-meshes");
bool submeshesInFamilies = ( ! aTopGroup->ExistInternalObject( "Submeshes" ));
if ( submeshesInFamilies )
if ( submeshesInFamilies ) // from MED
{
// old way working before fix of PAL 12992
myReader.CreateAllSubMeshes();
@ -4430,7 +4416,7 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
} // if ( hasData )
// try to get groups
for ( int ii = GetNodeGroupsTag(); ii <= GetVolumeGroupsTag(); ii++ ) {
for ( int ii = GetNodeGroupsTag(); ii <= Get0DElementsGroupsTag(); ii++ ) {
char name_group[ 30 ];
if ( ii == GetNodeGroupsTag() )
strcpy( name_group, "Groups of Nodes" );
@ -4440,6 +4426,8 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
strcpy( name_group, "Groups of Faces" );
else if ( ii == GetVolumeGroupsTag() )
strcpy( name_group, "Groups of Volumes" );
else if ( ii == Get0DElementsGroupsTag() )
strcpy( name_group, "Groups of 0D Elements" );
if ( aTopGroup->ExistInternalObject( name_group ) ) {
aGroup = new HDFgroup( name_group, aTopGroup );

1
src/SMESH_I/SMESH_Gen_i.hxx
View File

@ -461,6 +461,7 @@ public:
static long GetEdgeGroupsTag();
static long GetFaceGroupsTag();
static long GetVolumeGroupsTag();
static long Get0DElementsGroupsTag();
// publishing methods
SALOMEDS::SComponent_ptr PublishComponent(SALOMEDS::Study_ptr theStudy);

5
src/SMESH_I/SMESH_Gen_i_1.cxx
View File

@ -136,6 +136,11 @@ long SMESH_Gen_i::GetVolumeGroupsTag()
return SMESH::Tag_VolumeGroups;
}
long SMESH_Gen_i::Get0DElementsGroupsTag()
{
return SMESH::Tag_0DElementsGroups;
}
//=============================================================================
/*!
* SMESH_Gen_i::CanPublishInStudy

17
src/SMESH_I/SMESH_Group_i.cxx
View File

@ -508,7 +508,7 @@ void SMESH_GroupBase_i::SetColorNumber(CORBA::Long color)
if (aGroupDS)
{
aGroupDS->SetColorGroup(color);
TPythonDump()<<_this()<<".SetColorGroup( "<<color<<" )";
TPythonDump()<<_this()<<".SetColorNumber( "<<color<<" )";
}
MESSAGE("set color number of a group");
return ;
@ -535,6 +535,21 @@ SMESH::long_array* SMESH_GroupBase_i::GetMeshInfo()
aRes[ SMESH::Entity_Node ] = aGrpDS->Extent();
else
SMESH_Mesh_i::CollectMeshInfo( aGrpDS->GetElements(), aRes);
// SMDS_ElemIteratorPtr it = aGrpDS->GetElements();
// if ( it->more() )
// {
// cout << "START" << endl;
// set< const SMDS_MeshElement* > nodes;
// const SMDS_MeshElement* e = it->next();
// for ( int i = 0; i < 1000000; ++i)
// {
// SMDS_ElemIteratorPtr it = e->nodesIterator();
// nodes.insert( e + i );
// }
// cout << "END "<< nodes.size() << endl;
// }
return aRes._retn();
}

11
src/StdMeshers/StdMeshers_Projection_2D.cxx
View File

@ -531,6 +531,11 @@ namespace {
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 );
SMDS_ElemIteratorPtr elemIt = srcSubDS->GetElements();
vector< const SMDS_MeshNode* > tgtNodes;
@ -556,11 +561,11 @@ namespace {
}
tgtNodes[i] = srcN_tgtN->second;
}
// create a new face (with reversed orientation)
// create a new face
switch ( nbN )
{
case 3: helper.AddFace(tgtNodes[0], tgtNodes[2], tgtNodes[1]); break;
case 4: helper.AddFace(tgtNodes[0], tgtNodes[3], tgtNodes[2], tgtNodes[1]); break;
case 3: helper.AddFace(tgtNodes[0], tgtNodes[tri1], tgtNodes[tri2]); break;
case 4: helper.AddFace(tgtNodes[0], tgtNodes[quad1], tgtNodes[2], tgtNodes[quad3]); break;
}
}
return true;

2
src/StdMeshers/StdMeshers_QuadToTriaAdaptor.cxx
View File

@ -188,7 +188,7 @@ namespace
typedef SMDS_StdIterator< const SMDS_MeshElement*, SMDS_ElemIteratorPtr > TStdElemIterator;
TStdElemIterator itEnd;
// shift of node index to get medium nodes corresponding to the 4 base nodes
// shift of node index to get medium nodes between the 4 base nodes and the apex
const int base2MediumShift = 9;
set<const SMDS_MeshNode*>::const_iterator nIt = commonApex.begin();