-// Copyright (C) 2007-2011 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//================================================================================
SMESH_MesherHelper::SMESH_MesherHelper(SMESH_Mesh& theMesh)
- : myParIndex(0), myMesh(&theMesh), myShapeID(0), myCreateQuadratic(false)
+ : myParIndex(0), myMesh(&theMesh), myShapeID(0), myCreateQuadratic(false),
+ myFixNodeParameters(false)
{
myPar1[0] = myPar2[0] = myPar1[1] = myPar2[1] = 0;
mySetElemOnShape = ( ! myMesh->HasShapeToMesh() );
{
SMESHDS_Mesh* meshDS = GetMeshDS();
// we can create quadratic elements only if all elements
- // created on subshapes of given shape are quadratic
+ // created on sub-shapes of given shape are quadratic
// also we have to fill myTLinkNodeMap
myCreateQuadratic = true;
mySeamShapeIds.clear();
myDegenShapeIds.clear();
TopAbs_ShapeEnum subType( aSh.ShapeType()==TopAbs_FACE ? TopAbs_EDGE : TopAbs_FACE );
+ if ( aSh.ShapeType()==TopAbs_COMPOUND )
+ {
+ TopoDS_Iterator subIt( aSh );
+ if ( subIt.More() )
+ subType = ( subIt.Value().ShapeType()==TopAbs_FACE ) ? TopAbs_EDGE : TopAbs_FACE;
+ }
SMDSAbs_ElementType elemType( subType==TopAbs_FACE ? SMDSAbs_Face : SMDSAbs_Edge );
+
int nbOldLinks = myTLinkNodeMap.size();
if ( !myMesh->HasShapeToMesh() )
//function : GetNodeUVneedInFaceNode
//purpose : Check if inFaceNode argument is necessary for call GetNodeUV(F,..)
// Return true if the face is periodic.
-// If F is Null, answer about subshape set through IsQuadraticSubMesh() or
+// If F is Null, answer about sub-shape set through IsQuadraticSubMesh() or
// * SetSubShape()
//=======================================================================
((SMESH_MesherHelper*)this)->myNodePosShapesValidity.insert( make_pair( shapeID, ok));
}
+//=======================================================================
+//function : ToFixNodeParameters
+//purpose : Enables fixing node parameters on EDGEs and FACEs in
+// GetNodeU(...,check=true), GetNodeUV(...,check=true), CheckNodeUV() and
+// CheckNodeU() in case if a node lies on a shape set via SetSubShape().
+// Default is False
+//=======================================================================
+
+void SMESH_MesherHelper::ToFixNodeParameters(bool toFix)
+{
+ myFixNodeParameters = toFix;
+}
+
+
//=======================================================================
//function : GetUVOnSeam
//purpose : Select UV on either of 2 pcurves of a seam edge, closest to the given UV
return false;
}
// store the fixed UV on the face
- if ( myShape.IsSame(F) && shapeID == myShapeID )
+ if ( myShape.IsSame(F) && shapeID == myShapeID && myFixNodeParameters )
const_cast<SMDS_MeshNode*>(n)->SetPosition
( SMDS_PositionPtr( new SMDS_FacePosition( U, V )));
}
return false;
}
// store the fixed U on the edge
- if ( myShape.IsSame(E) && shapeID == myShapeID )
+ if ( myShape.IsSame(E) && shapeID == myShapeID && myFixNodeParameters )
const_cast<SMDS_MeshNode*>(n)->SetPosition
( SMDS_PositionPtr( new SMDS_EdgePosition( U )));
}
//=======================================================================
//function : GetMediumPos
-//purpose : Return index and type of the shape to set a medium node on
+//purpose : Return index and type of the shape (EDGE or FACE only) to
+// set a medium node on
//=======================================================================
std::pair<int, TopAbs_ShapeEnum> SMESH_MesherHelper::GetMediumPos(const SMDS_MeshNode* n1,
shapeType = myShape.ShapeType();
shapeID = myShapeID;
}
+ else if ( n1->getshapeId() == n2->getshapeId() )
+ {
+ shapeID = n2->getshapeId();
+ shape = GetSubShapeByNode( n1, GetMeshDS() );
+ }
else
{
- const SMDS_PositionPtr Pos1 = n1->GetPosition();
- const SMDS_PositionPtr Pos2 = n2->GetPosition();
+ const SMDS_TypeOfPosition Pos1 = n1->GetPosition()->GetTypeOfPosition();
+ const SMDS_TypeOfPosition Pos2 = n2->GetPosition()->GetTypeOfPosition();
- if( Pos1->GetTypeOfPosition()==SMDS_TOP_FACE )
- {
- shapeType = TopAbs_FACE;
- shapeID = n1->getshapeId();
- }
- else if( Pos2->GetTypeOfPosition()==SMDS_TOP_FACE )
+ if ( Pos1 == SMDS_TOP_3DSPACE || Pos2 == SMDS_TOP_3DSPACE )
{
- shapeType = TopAbs_FACE;
- shapeID = n2->getshapeId();
}
- else if (Pos1->GetTypeOfPosition()==SMDS_TOP_3DSPACE ||
- Pos2->GetTypeOfPosition()==SMDS_TOP_3DSPACE )
+ else if ( Pos1 == SMDS_TOP_FACE || Pos2 == SMDS_TOP_FACE )
{
- }
- else if ( Pos1->GetTypeOfPosition()==SMDS_TOP_EDGE &&
- Pos2->GetTypeOfPosition()==SMDS_TOP_EDGE )
- {
- if ( n1->getshapeId() == n2->getshapeId() )
- {
- shapeType = TopAbs_EDGE;
- shapeID = n1->getshapeId();
- }
- else
+ if ( Pos1 != SMDS_TOP_FACE || Pos2 != SMDS_TOP_FACE )
{
- TopoDS_Shape E1 = GetSubShapeByNode( n1, GetMeshDS() );
- TopoDS_Shape E2 = GetSubShapeByNode( n2, GetMeshDS() );
- shape = GetCommonAncestor( E1, E2, *myMesh, TopAbs_FACE );
+ if ( Pos1 != SMDS_TOP_FACE ) std::swap( n1,n2 );
+ TopoDS_Shape F = GetSubShapeByNode( n1, GetMeshDS() );
+ TopoDS_Shape S = GetSubShapeByNode( n2, GetMeshDS() );
+ if ( IsSubShape( S, F ))
+ {
+ shapeType = TopAbs_FACE;
+ shapeID = n1->getshapeId();
+ }
}
}
- else if ( Pos1->GetTypeOfPosition()==SMDS_TOP_VERTEX &&
- Pos2->GetTypeOfPosition()==SMDS_TOP_VERTEX )
+ else if ( Pos1 == SMDS_TOP_EDGE && Pos2 == SMDS_TOP_EDGE )
+ {
+ TopoDS_Shape E1 = GetSubShapeByNode( n1, GetMeshDS() );
+ TopoDS_Shape E2 = GetSubShapeByNode( n2, GetMeshDS() );
+ shape = GetCommonAncestor( E1, E2, *myMesh, TopAbs_FACE );
+ }
+ else if ( Pos1 == SMDS_TOP_VERTEX && Pos2 == SMDS_TOP_VERTEX )
{
TopoDS_Shape V1 = GetSubShapeByNode( n1, GetMeshDS() );
TopoDS_Shape V2 = GetSubShapeByNode( n2, GetMeshDS() );
- shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_FACE );
- if ( shape.IsNull() ) shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_EDGE );
+ shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_EDGE );
+ if ( shape.IsNull() ) shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_FACE );
}
else // VERTEX and EDGE
{
- if ( Pos1->GetTypeOfPosition()!=SMDS_TOP_VERTEX ) std::swap( n1,n2 );
+ if ( Pos1 != SMDS_TOP_VERTEX ) std::swap( n1,n2 );
TopoDS_Shape V = GetSubShapeByNode( n1, GetMeshDS() );
TopoDS_Shape E = GetSubShapeByNode( n2, GetMeshDS() );
if ( IsSubShape( V, E ))
shape = GetCommonAncestor( V, E, *myMesh, TopAbs_FACE );
}
}
+
if ( !shape.IsNull() )
{
- shapeID = GetMeshDS()->ShapeToIndex( shape );
+ if ( shapeID < 1 )
+ shapeID = GetMeshDS()->ShapeToIndex( shape );
shapeType = shape.ShapeType();
}
return make_pair( shapeID, shapeType );
// get type of shape for the new medium node
int faceID = -1, edgeID = -1;
- const SMDS_PositionPtr Pos1 = n1->GetPosition();
- const SMDS_PositionPtr Pos2 = n2->GetPosition();
-
TopoDS_Edge E; double u [2];
TopoDS_Face F; gp_XY uv[2];
bool uvOK[2] = { false, false };
}
else if ( pos.second == TopAbs_EDGE )
{
+ const SMDS_PositionPtr Pos1 = n1->GetPosition();
+ const SMDS_PositionPtr Pos2 = n2->GetPosition();
if ( Pos1->GetTypeOfPosition()==SMDS_TOP_EDGE &&
Pos2->GetTypeOfPosition()==SMDS_TOP_EDGE &&
- n1->getshapeId() != n2->getshapeId() ) // issue 0021006
- return getMediumNodeOnComposedWire(n1,n2,force3d);
-
+ n1->getshapeId() != n2->getshapeId() )
+ {
+ // issue 0021006
+ return getMediumNodeOnComposedWire(n1,n2,force3d);
+ }
E = TopoDS::Edge(meshDS->IndexToShape( edgeID = pos.first ));
u[0] = GetNodeU(E,n1,n2, force3d ? 0 : &uvOK[0]);
u[1] = GetNodeU(E,n2,n1, force3d ? 0 : &uvOK[1]);
}
- if(!force3d)
+ if ( !force3d & uvOK[0] && uvOK[1] )
{
// we try to create medium node using UV parameters of
// nodes, else - medium between corresponding 3d points
if( ! F.IsNull() )
{
- if ( uvOK[0] && uvOK[1] )
+ //if ( uvOK[0] && uvOK[1] )
{
if ( IsDegenShape( n1->getshapeId() )) {
if ( myParIndex & U_periodic ) uv[0].SetCoord( 1, uv[1].Coord( 1 ));
//purpose : Creates a node
//=======================================================================
-SMDS_MeshNode* SMESH_MesherHelper::AddNode(double x, double y, double z, int ID)
+SMDS_MeshNode* SMESH_MesherHelper::AddNode(double x, double y, double z, int ID,
+ double u, double v)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
SMDS_MeshNode* node = 0;
node = meshDS->AddNode( x, y, z );
if ( mySetElemOnShape && myShapeID > 0 ) {
switch ( myShape.ShapeType() ) {
- case TopAbs_SOLID: meshDS->SetNodeInVolume( node, myShapeID); break;
- case TopAbs_SHELL: meshDS->SetNodeInVolume( node, myShapeID); break;
- case TopAbs_FACE: meshDS->SetNodeOnFace( node, myShapeID); break;
- case TopAbs_EDGE: meshDS->SetNodeOnEdge( node, myShapeID); break;
- case TopAbs_VERTEX: meshDS->SetNodeOnVertex( node, myShapeID); break;
+ case TopAbs_SOLID: meshDS->SetNodeInVolume( node, myShapeID); break;
+ case TopAbs_SHELL: meshDS->SetNodeInVolume( node, myShapeID); break;
+ case TopAbs_FACE: meshDS->SetNodeOnFace( node, myShapeID, u, v); break;
+ case TopAbs_EDGE: meshDS->SetNodeOnEdge( node, myShapeID, u); break;
+ case TopAbs_VERTEX: meshDS->SetNodeOnVertex( node, myShapeID); break;
default: ;
}
}
for ( int i = 0; i < nodes.size(); ++i )
{
const SMDS_MeshNode* n1 = nodes[i];
- const SMDS_MeshNode* n2 = nodes[(i+1)/nodes.size()];
+ const SMDS_MeshNode* n2 = nodes[(i+1)%nodes.size()];
const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
newNodes.push_back( n1 );
newNodes.push_back( n12 );
return elem;
}
+//=======================================================================
+//function : AddVolume
+//purpose : Creates LINEAR!!!!!!!!! octahedron
+//=======================================================================
+
+SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1,
+ const SMDS_MeshNode* n2,
+ const SMDS_MeshNode* n3,
+ const SMDS_MeshNode* n4,
+ const SMDS_MeshNode* n5,
+ const SMDS_MeshNode* n6,
+ const SMDS_MeshNode* n7,
+ const SMDS_MeshNode* n8,
+ const SMDS_MeshNode* n9,
+ const SMDS_MeshNode* n10,
+ const SMDS_MeshNode* n11,
+ const SMDS_MeshNode* n12,
+ const int id,
+ bool force3d)
+{
+ SMESHDS_Mesh * meshDS = GetMeshDS();
+ SMDS_MeshVolume* elem = 0;
+ if(id)
+ elem = meshDS->AddVolumeWithID(n1,n2,n3,n4,n5,n6,n7,n8,n9,n10,n11,n12,id);
+ else
+ elem = meshDS->AddVolume(n1,n2,n3,n4,n5,n6,n7,n8,n9,n10,n11,n12);
+ if ( mySetElemOnShape && myShapeID > 0 )
+ meshDS->SetMeshElementOnShape( elem, myShapeID );
+ return elem;
+}
+
//=======================================================================
//function : AddPolyhedralVolume
//purpose : Creates polyhedron. In quadratic mesh, adds medium nodes
return elem;
}
+namespace
+{
+ //================================================================================
+ /*!
+ * \brief Check if a node belongs to any face of sub-mesh
+ */
+ //================================================================================
+
+ bool isNodeInSubMesh( const SMDS_MeshNode* n, const SMESHDS_SubMesh* sm )
+ {
+ SMDS_ElemIteratorPtr fIt = n->GetInverseElementIterator( SMDSAbs_Face );
+ while ( fIt->more() )
+ if ( sm->Contains( fIt->next() ))
+ return true;
+ return false;
+ }
+}
+
//=======================================================================
//function : LoadNodeColumns
//purpose : Load nodes bound to face into a map of node columns
SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNodes);
if ( sortedBaseNodes.empty() ) continue;
+ map< double, const SMDS_MeshNode*>::iterator u_n = sortedBaseNodes.begin();
+ if ( theProxyMesh ) // from sortedBaseNodes remove nodes not shared by faces of faceSubMesh
+ {
+ const SMDS_MeshNode* n1 = sortedBaseNodes.begin()->second;
+ const SMDS_MeshNode* n2 = sortedBaseNodes.rbegin()->second;
+ bool allNodesAreProxy = ( n1 != theProxyMesh->GetProxyNode( n1 ) &&
+ n2 != theProxyMesh->GetProxyNode( n2 ));
+ if ( allNodesAreProxy )
+ for ( u_n = sortedBaseNodes.begin(); u_n != sortedBaseNodes.end(); u_n++ )
+ u_n->second = theProxyMesh->GetProxyNode( u_n->second );
+
+ if ( u_n = sortedBaseNodes.begin(), !isNodeInSubMesh( u_n->second, faceSubMesh ))
+ {
+ while ( ++u_n != sortedBaseNodes.end() && !isNodeInSubMesh( u_n->second, faceSubMesh ));
+ sortedBaseNodes.erase( sortedBaseNodes.begin(), u_n );
+ }
+ else if ( u_n = --sortedBaseNodes.end(), !isNodeInSubMesh( u_n->second, faceSubMesh ))
+ {
+ while ( u_n != sortedBaseNodes.begin() && !isNodeInSubMesh( (--u_n)->second, faceSubMesh ));
+ sortedBaseNodes.erase( ++u_n, sortedBaseNodes.end() );
+ }
+ if ( sortedBaseNodes.empty() ) continue;
+ }
+
double f, l;
BRep_Tool::Range( *edge, f, l );
if ( edge->Orientation() == TopAbs_REVERSED ) std::swap( f, l );
- const double coeff = 1. / ( l - f ) / length[iE] / fullLen;
+ const double coeff = 1. / ( l - f ) * length[iE] / fullLen;
const double prevPar = theParam2ColumnMap.empty() ? 0 : theParam2ColumnMap.rbegin()->first;
- map< double, const SMDS_MeshNode*>::iterator u_n = sortedBaseNodes.begin();
- for ( ; u_n != sortedBaseNodes.end(); u_n++ )
+ for ( u_n = sortedBaseNodes.begin(); u_n != sortedBaseNodes.end(); u_n++ )
{
double par = prevPar + coeff * ( u_n->first - f );
TParam2ColumnMap::iterator u2nn =
u2nn->second.push_back( u_n->second );
}
}
- TParam2ColumnMap::iterator par_nVec_2, par_nVec_1 = theParam2ColumnMap.begin();
- if ( theProxyMesh )
- {
- for ( ; par_nVec_1 != theParam2ColumnMap.end(); ++par_nVec_1 )
- {
- const SMDS_MeshNode* & n = par_nVec_1->second[0];
- n = theProxyMesh->GetProxyNode( n );
- }
- }
+ if ( theParam2ColumnMap.empty() )
+ return false;
+
int nbRows = 1 + faceSubMesh->NbElements() / ( theParam2ColumnMap.size()-1 );
// fill theParam2ColumnMap column by column by passing from nodes on
// theBaseEdge up via mesh faces on theFace
+ TParam2ColumnMap::iterator par_nVec_1, par_nVec_2;
par_nVec_2 = theParam2ColumnMap.begin();
par_nVec_1 = par_nVec_2++;
TIDSortedElemSet emptySet, avoidSet;
if ( getenv("NO_FixQuadraticElements") )
return;
- // 0. Apply algorithm to solids or geom faces
+ // 0. Apply algorithm to SOLIDs or FACEs
// ----------------------------------------------
if ( myShape.IsNull() ) {
if ( !myMesh->HasShapeToMesh() ) return;
SMESH_MesherHelper h(*myMesh);
h.SetSubShape( fIt.Key() );
h.FixQuadraticElements(true);
+ h.ToFixNodeParameters(true);
}
//perf_print_all_meters(1);
return;
