-// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2015 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
#include <BRep_Tool.hxx>
#include <GCPnts_AbscissaPoint.hxx>
#include <Geom2dAdaptor_Curve.hxx>
+#include <Geom_Line.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
//================================================================================
/*!
* \brief Constructor of a side of several edges
- * \param theFace - the face
- * \param theEdge - the edge
*/
//================================================================================
myNormPar.resize ( nbEdges );
myEdgeLength.resize( nbEdges );
myIsUniform.resize ( nbEdges, true );
+ myFace = theFace;
myLength = 0;
myNbPonits = myNbSegments = 0;
myProxyMesh = theProxyMesh;
int nbDegen = 0;
list<TopoDS_Edge>::iterator edge = theEdges.begin();
- TopoDS_Iterator vExp;
for ( int index = 0; edge != theEdges.end(); ++index, ++edge )
{
int i = theIsForward ? index : nbEdges-index-1;
myEdgeLength[i] = SMESH_Algo::EdgeLength( *edge );
if ( myEdgeLength[i] < DBL_MIN ) nbDegen++;
myLength += myEdgeLength[i];
- myEdge[i] = *edge;
+ myEdge [i] = *edge;
myEdgeID[i] = meshDS->ShapeToIndex( *edge );
if ( !theIsForward ) myEdge[i].Reverse();
if ( myEdge[i].Orientation() == TopAbs_REVERSED )
std::swap( myFirst[i], myLast[i] );
- if ( const SMESHDS_SubMesh* sm = myProxyMesh->GetSubMesh( *edge )) {
- int nbN = sm->NbNodes();
- if ( theIgnoreMediumNodes ) {
- SMDS_ElemIteratorPtr elemIt = sm->GetElements();
- if ( elemIt->more() && elemIt->next()->IsQuadratic() )
- nbN -= sm->NbElements();
- }
- myNbPonits += nbN;
- myNbSegments += sm->NbElements();
- }
-
- // TopExp::FirstVertex() and TopExp::LastVertex() return NULL from INTERNAL edge
- vExp.Initialize( *edge );
- if ( vExp.Value().Orientation() == TopAbs_REVERSED ) vExp.Next();
- if ( SMESH_Algo::VertexNode( TopoDS::Vertex( vExp.Value()), meshDS ))
- myNbPonits += 1; // for the first end
- else
- myMissingVertexNodes = true;
-
// check if the edge has a non-uniform parametrization (issue 0020705)
- if ( !myC2d[i].IsNull() && myEdgeLength[i] > DBL_MIN)
+ if ( !myC2d[i].IsNull() )
{
- Geom2dAdaptor_Curve A2dC( myC2d[i],
- std::min( myFirst[i], myLast[i] ),
- std::max( myFirst[i], myLast[i] ));
- double p2 = myFirst[i]+(myLast[i]-myFirst[i])/2., p4 = myFirst[i]+(myLast[i]-myFirst[i])/4.;
- double d2 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p2 );
- double d4 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p4 );
- //cout<<"len = "<<len<<" d2 = "<<d2<<" fabs(2*d2/len-1.0) = "<<fabs(2*d2/len-1.0)<<endl;
- myIsUniform[i] = !( fabs(2*d2/myEdgeLength[i]-1.0) > 0.01 || fabs(2*d4/d2-1.0) > 0.01 );
- //if ( !myIsUniform[i] ) to implement Value3d(u)
+ if ( myEdgeLength[i] > DBL_MIN )
+ {
+ Geom2dAdaptor_Curve A2dC( myC2d[i],
+ std::min( myFirst[i], myLast[i] ),
+ std::max( myFirst[i], myLast[i] ));
+ double p2 = myFirst[i]+(myLast[i]-myFirst[i])/2.;
+ double p4 = myFirst[i]+(myLast[i]-myFirst[i])/4.;
+ double d2 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p2 );
+ double d4 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p4 );
+ //cout<<"len = "<<len<<" d2 = "<<d2<<" fabs(2*d2/len-1.0) = "<<fabs(2*d2/len-1.0)<<endl;
+ myIsUniform[i] = !( fabs(2*d2/myEdgeLength[i]-1.0) > 0.01 || fabs(2*d4/d2-1.0) > 0.01 );
+ Handle(Geom_Curve) C3d = BRep_Tool::Curve(myEdge[i],d2,d4);
+ myC3dAdaptor[i].Load( C3d, d2,d4 );
+ }
+ else
{
- double fp,lp;
- Handle(Geom_Curve) C3d = BRep_Tool::Curve(myEdge[i],fp,lp);
- myC3dAdaptor[i].Load( C3d, fp,lp );
+ const TopoDS_Vertex& V = SMESH_MesherHelper::IthVertex( 0, *edge );
+ Handle(Geom_Curve) C3d = new Geom_Line( BRep_Tool::Pnt( V ), gp::DX() );
+ myC3dAdaptor[i].Load( C3d, 0, 0.5 * BRep_Tool::Tolerance( V ));
}
}
- // reverse a proxy submesh
+ // reverse a proxy sub-mesh
if ( !theIsForward )
reverseProxySubmesh( myEdge[i] );
} // loop on edges
- vExp.Initialize( theEdges.back() );
- if ( vExp.Value().Orientation() != TopAbs_REVERSED ) vExp.Next();
- if ( vExp.More() )
- {
- if ( SMESH_Algo::VertexNode( TopoDS::Vertex( vExp.Value()), meshDS ))
- myNbPonits++; // for the last end
- else
- myMissingVertexNodes = true;
- }
+ // count nodes and segments
+ NbPoints( /*update=*/true );
+
if ( nbEdges > 1 && myLength > DBL_MIN ) {
const double degenNormLen = 1.e-5;
double totLength = myLength;
//================================================================================
/*!
* \brief Constructor of a side for vertex using data from other FaceSide
- * \param theVertex - the vertex
- * \param theSide - the side
*/
//================================================================================
myMissingVertexNodes = myIgnoreMediumNodes = false;
myDefaultPnt2d.SetCoord( 1e100, 1e100 );
+ myFace = theFace;
myPoints = theSideNodes;
myNbPonits = myPoints.size();
myNbSegments = myNbPonits + 1;
const vector<UVPtStruct>& StdMeshers_FaceSide::GetUVPtStruct(bool isXConst,
double constValue) const
{
- if ( myPoints.empty() ) {
-
+ if ( myPoints.empty() )
+ {
if ( NbEdges() == 0 ) return myPoints;
- SMESHDS_Mesh* meshDS = myProxyMesh->GetMeshDS();
- SMESH_MesherHelper helper(*myProxyMesh->GetMesh());
+ StdMeshers_FaceSide* me = const_cast< StdMeshers_FaceSide* >( this );
+ SMESHDS_Mesh* meshDS = myProxyMesh->GetMeshDS();
+ SMESH_MesherHelper eHelper( *myProxyMesh->GetMesh() );
+ SMESH_MesherHelper fHelper( *myProxyMesh->GetMesh() );
+ fHelper.SetSubShape( myFace );
bool paramOK;
double eps = 1e-100;
// sort nodes of all edges putting them into a map
- map< double, const SMDS_MeshNode*> u2node;
- vector< const SMESH_ProxyMesh::SubMesh* > proxySubMesh( myEdge.size());
+ map< double, const SMDS_MeshNode*> u2node;
+ vector< pair< double, const SMDS_MeshNode*> > u2nodeVec;
+ vector<const SMDS_MeshNode*> nodes;
+ set<const SMDS_MeshNode*> vertexNodes;
+ vector< const SMESH_ProxyMesh::SubMesh* > proxySubMesh( myEdge.size() );
int nbProxyNodes = 0;
- for ( size_t iE = 0; iE < myEdge.size(); ++iE )
+ size_t iE;
+
+ for ( iE = 0; iE < myEdge.size(); ++iE )
{
proxySubMesh[iE] = myProxyMesh->GetProxySubMesh( myEdge[iE] );
if ( proxySubMesh[iE] )
continue;
}
}
- // Put 1st vertex node of a current edge
- TopoDS_Vertex VV[2]; // TopExp::FirstVertex() returns NULL for INTERNAL edge
- VV[0] = SMESH_MesherHelper::IthVertex( 0, myEdge[iE]);
- VV[1] = SMESH_MesherHelper::IthVertex( 1, myEdge[iE]);
- const SMDS_MeshNode* node = SMESH_Algo::VertexNode( VV[0], meshDS );
- double prevNormPar = ( iE == 0 ? 0 : myNormPar[ iE-1 ]); // normalized param
- if ( node ) { // nodes on internal vertices may be missing
- u2node.insert( u2node.end(), make_pair( prevNormPar, node ));
+
+ // Add 1st vertex node of a current edge
+ const SMDS_MeshNode* node = VertexNode( iE );
+ const double prevNormPar = ( iE == 0 ? 0 : myNormPar[ iE-1 ]); // normalized param
+ if ( node ) // nodes on internal vertices may be missing
+ {
+ if ( vertexNodes.insert( node ).second ||
+ fHelper.IsRealSeam ( node->getshapeId() ) ||
+ fHelper.IsDegenShape( node->getshapeId() ))
+ u2node.insert( u2node.end(), make_pair( prevNormPar, node ));
}
- else if ( iE == 0 ) {
- MESSAGE(" NO NODE on VERTEX" );
- return myPoints;
+ else if ( iE == 0 )
+ {
+ for ( ++iE; iE < myEdge.size(); ++iE )
+ if (( node = VertexNode( iE ))) {
+ u2node.insert( make_pair( prevNormPar, node ));
+ break;
+ }
+ --iE;
+
+ if ( !node )
+ return myPoints;
+ vertexNodes.insert( node );
}
- // Put internal nodes
- if ( const SMESHDS_SubMesh* sm = myProxyMesh->GetSubMesh( myEdge[iE] ))
+ // Add internal nodes
+ nodes.clear();
+ if ( !GetEdgeNodes( iE, nodes, /*v0=*/false, /*v1=*/false ))
+ return myPoints;
+ if ( !nodes.empty() )
{
- vector< pair< double, const SMDS_MeshNode*> > u2nodeVec;
- u2nodeVec.reserve( sm->NbNodes() );
- SMDS_NodeIteratorPtr nItr = sm->GetNodes();
+ u2nodeVec.clear();
double paramSize = myLast[iE] - myFirst[iE];
double r = myNormPar[iE] - prevNormPar;
- helper.SetSubShape( myEdge[iE] );
- helper.ToFixNodeParameters( true );
+ eHelper.SetSubShape( myEdge[iE] );
+ eHelper.ToFixNodeParameters( true );
if ( !myIsUniform[iE] )
- while ( nItr->more() )
+ for ( size_t i = 0; i < nodes.size(); ++i )
{
- const SMDS_MeshNode* node = nItr->next();
- if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( node, SMDSAbs_Edge ))
- continue;
- double u = helper.GetNodeU( myEdge[iE], node, 0, ¶mOK );
- double aLenU = GCPnts_AbscissaPoint::Length
- ( const_cast<GeomAdaptor_Curve&>( myC3dAdaptor[iE]), myFirst[iE], u );
+ double u = eHelper.GetNodeU( myEdge[iE], nodes[i], 0, ¶mOK );
+ double aLenU = GCPnts_AbscissaPoint::Length( me->myC3dAdaptor[iE], myFirst[iE], u );
if ( myEdgeLength[iE] < aLenU ) // nonregression test "3D_mesh_NETGEN/G6"
{
u2nodeVec.clear();
break;
}
- double normPar = prevNormPar + r*aLenU/myEdgeLength[iE];
- u2nodeVec.push_back( make_pair( normPar, node ));
+ double normPar = prevNormPar + r * aLenU / myEdgeLength[iE];
+ u2nodeVec.push_back( make_pair( normPar, nodes[i] ));
}
- nItr = sm->GetNodes();
if ( u2nodeVec.empty() )
- while ( nItr->more() )
+ for ( size_t i = 0; i < nodes.size(); ++i )
{
- const SMDS_MeshNode* node = nItr->next();
- if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( node, SMDSAbs_Edge ))
- continue;
- double u = helper.GetNodeU( myEdge[iE], node, 0, ¶mOK );
-
+ double u = eHelper.GetNodeU( myEdge[iE], nodes[i], 0, ¶mOK );
// paramSize is signed so orientation is taken into account
double normPar = prevNormPar + r * ( u - myFirst[iE] ) / paramSize;
- u2nodeVec.push_back( make_pair( normPar, node ));
+ u2nodeVec.push_back( make_pair( normPar, nodes[i] ));
}
for ( size_t j = 0; j < u2nodeVec.size(); ++j )
u2node.insert( u2node.end(), u2nodeVec[j] );
}
+ } // loop on myEdge's
- // Put 2nd vertex node for a last edge
- if ( iE+1 == myEdge.size() ) {
- node = SMESH_Algo::VertexNode( VV[1], meshDS );
- if ( !node ) {
- MESSAGE(" NO NODE on VERTEX" );
+ // Add 2nd VERTEX node for a last EDGE
+ if ( !proxySubMesh.back() )
+ {
+ if ( u2node.empty() ) return myPoints;
+
+ const SMDS_MeshNode* node;
+ if ( IsClosed() )
+ node = u2node.begin()->second;
+ else
+ {
+ node = VertexNode( iE );
+ while ( !node && iE > 0 )
+ node = VertexNode( --iE );
+ if ( !node )
return myPoints;
- }
- u2node.insert( u2node.end(), make_pair( 1., node ));
}
- } // loop on myEdge's
+ if ( u2node.rbegin()->second == node &&
+ !fHelper.IsRealSeam ( node->getshapeId() ) &&
+ !fHelper.IsDegenShape( node->getshapeId() ))
+ u2node.erase( --u2node.end() );
+
+ u2node.insert( u2node.end(), make_pair( 1., node ));
+ }
if ( u2node.size() + nbProxyNodes != myNbPonits &&
u2node.size() + nbProxyNodes != NbPoints( /*update=*/true ))
// fill array of UVPtStruct
- UVPtStructVec& points = const_cast< UVPtStructVec& >( myPoints );
+ UVPtStructVec& points = me->myPoints;
points.resize( myNbPonits );
int iPt = 0;
// -- U ----------------------------------------------
const SMDS_EdgePosition* epos =
dynamic_cast<const SMDS_EdgePosition*>(uvPt.node->GetPosition());
- if ( epos ) {
+ if ( epos && uvPt.node->getshapeId() == myEdgeID[iE] ) {
uvPt.param = epos->GetUParameter();
}
else {
//purpose : Return nodes in the order they encounter while walking along the side
//=======================================================================
-std::vector<const SMDS_MeshNode*> StdMeshers_FaceSide::GetOrderedNodes() const
+std::vector<const SMDS_MeshNode*> StdMeshers_FaceSide::GetOrderedNodes(int theEdgeInd) const
{
vector<const SMDS_MeshNode*> resultNodes;
- if ( myPoints.empty() )
+ if ( myPoints.empty() || ( theEdgeInd >= 0 && NbEdges() > 0 ))
{
if ( NbEdges() == 0 ) return resultNodes;
SMESHDS_Mesh* meshDS = myProxyMesh->GetMeshDS();
- SMESH_MesherHelper helper(*myProxyMesh->GetMesh());
- bool paramOK;
+ SMESH_MesherHelper eHelper( *myProxyMesh->GetMesh() );
+ SMESH_MesherHelper fHelper( *myProxyMesh->GetMesh() );
+ fHelper.SetSubShape( myFace );
+ bool paramOK = true;
// Sort nodes of all edges putting them into a map
map< double, const SMDS_MeshNode*> u2node;
- for ( int i = 0; i < myEdge.size(); ++i )
+ vector<const SMDS_MeshNode*> nodes;
+ set<const SMDS_MeshNode*> vertexNodes;
+ int iE = 0, iEnd = myEdge.size();
+ if ( theEdgeInd >= 0 )
{
- // Put 1st vertex node of a current edge
- TopoDS_Vertex VV[2]; // TopExp::FirstVertex() returns NULL for INTERNAL edge
- VV[0] = SMESH_MesherHelper::IthVertex( 0, myEdge[i]);
- VV[1] = SMESH_MesherHelper::IthVertex( 1, myEdge[i]);
- const SMDS_MeshNode* node = SMESH_Algo::VertexNode( VV[0], meshDS );
- double prevNormPar = ( i == 0 ? 0 : myNormPar[ i-1 ]); // normalized param
+ iE = theEdgeInd % NbEdges();
+ iEnd = iE + 1;
+ }
+ for ( iE = 0; iE < iEnd; ++iE )
+ {
+ double prevNormPar = ( iE == 0 ? 0 : myNormPar[ iE-1 ]); // normalized param
+
+ const SMESH_ProxyMesh::SubMesh* proxySM = myProxyMesh->GetProxySubMesh( myEdge[iE] );
+ if ( proxySM )
+ {
+ const UVPtStructVec& points = proxySM->GetUVPtStructVec();
+ for ( size_t i = 0; i < points.size(); ++i )
+ u2node.insert( make_pair( prevNormPar + points[i].normParam, points[i].node ));
+ continue;
+ }
+
+ // Add 1st vertex node of a current EDGE
+ const SMDS_MeshNode* node = VertexNode( iE );
if ( node ) { // nodes on internal vertices may be missing
- u2node.insert( make_pair( prevNormPar, node ));
+ if ( vertexNodes.insert( node ).second ||
+ fHelper.IsRealSeam ( node->getshapeId() ) ||
+ fHelper.IsDegenShape( node->getshapeId() ))
+ u2node.insert( make_pair( prevNormPar, node ));
}
- else if ( i == 0 ) {
- MESSAGE(" NO NODE on VERTEX" );
- return resultNodes;
+ else if ( iE == 0 )
+ {
+ if ( nodes.empty() ) {
+ for ( ++iE; iE < iEnd; ++iE )
+ if (( node = VertexNode( iE ))) {
+ u2node.insert( make_pair( prevNormPar, node ));
+ break;
+ }
+ --iE;
+ }
+ if ( !node )
+ return resultNodes;
+ vertexNodes.insert( node );
}
- // Put internal nodes
- if ( SMESHDS_SubMesh* sm = meshDS->MeshElements( myEdge[i] ))
+ // Add internal nodes
+ nodes.clear();
+ if ( !GetEdgeNodes( iE, nodes, /*v0=*/false, /*v1=*/false ))
+ return resultNodes;
+ if ( !nodes.empty() )
{
- SMDS_NodeIteratorPtr nItr = sm->GetNodes();
- double paramSize = myLast[i] - myFirst[i];
- double r = myNormPar[i] - prevNormPar;
- helper.SetSubShape( myEdge[i] );
- helper.ToFixNodeParameters( true );
- while ( nItr->more() )
+ double paramSize = myLast[iE] - myFirst[iE];
+ double r = myNormPar[iE] - prevNormPar;
+ eHelper.SetSubShape( myEdge[iE] );
+ eHelper.ToFixNodeParameters( true );
+ for ( size_t i = 0; i < nodes.size(); ++i )
{
- const SMDS_MeshNode* node = nItr->next();
- if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( node, SMDSAbs_Edge ))
- continue;
- double u = helper.GetNodeU( myEdge[i], node, 0, ¶mOK );
-
+ double u = eHelper.GetNodeU( myEdge[iE], nodes[i], 0, ¶mOK );
// paramSize is signed so orientation is taken into account
- double normPar = prevNormPar + r * ( u - myFirst[i] ) / paramSize;
- u2node.insert( u2node.end(), make_pair( normPar, node ));
+ double normPar = prevNormPar + r * ( u - myFirst[iE] ) / paramSize;
+ u2node.insert( u2node.end(), make_pair( normPar, nodes[i] ));
}
}
- // Put 2nd vertex node for a last edge
- if ( i+1 == myEdge.size() ) {
- node = SMESH_Algo::VertexNode( VV[1], meshDS );
- if ( !node ) {
+ } // loop on myEdges
+
+ if ( u2node.empty() ) return resultNodes;
+
+ // Add 2nd vertex node for a last EDGE
+ {
+ const SMDS_MeshNode* node;
+ if ( IsClosed() && theEdgeInd < 0 )
+ node = u2node.begin()->second;
+ else
+ {
+ node = VertexNode( iE );
+ while ( !node && iE > 0 )
+ node = VertexNode( --iE );
+ if ( !node )
return resultNodes;
- }
- u2node.insert( u2node.end(), make_pair( 1., node ));
}
+ if ( u2node.rbegin()->second == node &&
+ !fHelper.IsRealSeam ( node->getshapeId() ) &&
+ !fHelper.IsDegenShape( node->getshapeId() ))
+ u2node.erase( --u2node.end() );
+
+ u2node.insert( u2node.end(), make_pair( 1., node ));
}
// Fill the result vector
- if ( u2node.size() == myNbPonits )
+ if ( theEdgeInd < 0 &&
+ u2node.size() != myNbPonits &&
+ u2node.size() != NbPoints( /*update=*/true ))
{
- resultNodes.reserve( u2node.size() );
- map< double, const SMDS_MeshNode*>::iterator u2n = u2node.begin();
- for ( ; u2n != u2node.end(); ++u2n )
- resultNodes.push_back( u2n->second );
+ u2node.clear();
}
+ resultNodes.reserve( u2node.size() );
+ map< double, const SMDS_MeshNode*>::iterator u2n = u2node.begin();
+ for ( ; u2n != u2node.end(); ++u2n )
+ resultNodes.push_back( u2n->second );
}
else
{
return resultNodes;
}
+//================================================================================
+/*!
+ * \brief Return (unsorted) nodes of the i-th EDGE.
+ * Nodes moved to other geometry by MergeNodes() are also returned.
+ * \retval bool - is OK
+ */
+//================================================================================
+
+bool StdMeshers_FaceSide::GetEdgeNodes(size_t i,
+ vector<const SMDS_MeshNode*>& nodes,
+ bool inlude1stVertex,
+ bool inludeLastVertex) const
+{
+ if ( i >= myEdge.size() )
+ return false;
+
+ SMESH_Mesh* mesh = myProxyMesh->GetMesh();
+ SMESHDS_Mesh* meshDS = mesh->GetMeshDS();
+ SMESHDS_SubMesh* sm = meshDS->MeshElements( myEdge[i] );
+
+ if ( inlude1stVertex )
+ {
+ if ( const SMDS_MeshNode* n0 = VertexNode( i ))
+ nodes.push_back( n0 );
+ }
+
+ if ( sm && ( sm->NbElements() > 0 || sm->NbNodes() > 0 ))
+ {
+ if ( mesh->HasModificationsToDiscard() ) // check nb of nodes on the EDGE sub-mesh
+ {
+ int iQuad = sm->NbElements() ? sm->GetElements()->next()->IsQuadratic() : 0;
+ int nbExpect = sm->NbElements() - 1 + iQuad * sm->NbElements();
+ if ( nbExpect != sm->NbNodes() ) // some nodes are moved from the EDGE by MergeNodes()
+ {
+ // add nodes of all segments
+ typedef set< const SMDS_MeshNode* > TNodeSet;
+ TNodeSet sharedNodes;
+ SMDS_ElemIteratorPtr segIt = sm->GetElements();
+ while ( segIt->more() )
+ {
+ const SMDS_MeshElement* seg = segIt->next();
+ if ( seg->GetType() != SMDSAbs_Edge )
+ continue;
+ for ( int i = 0; i < 3-myIgnoreMediumNodes; ++i )
+ {
+ const SMDS_MeshNode* n = seg->GetNode( i );
+ if ( i == 2 ) // medium node
+ {
+ nodes.push_back( n );
+ }
+ else
+ {
+ pair<TNodeSet::iterator, bool> it2new = sharedNodes.insert( n );
+ if ( !it2new.second ) // n encounters twice == it's on EDGE, not on VERTEX
+ {
+ nodes.push_back( n );
+ sharedNodes.erase( it2new.first );
+ }
+ }
+ }
+ }
+ }
+ }
+ if ( nodes.size() < 2 ) // add nodes assigned to the EDGE
+ {
+ SMDS_NodeIteratorPtr nItr = sm->GetNodes();
+ while ( nItr->more() )
+ {
+ const SMDS_MeshNode* n = nItr->next();
+ if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( n, SMDSAbs_Edge ))
+ continue;
+ nodes.push_back( n );
+ }
+ }
+ } // if ( sm && sm->NbElements() > 0 )
+
+ if ( inludeLastVertex )
+ {
+ if ( const SMDS_MeshNode* n1 = VertexNode( i+1 ))
+ nodes.push_back( n1 );
+ }
+ return true;
+}
+
+//================================================================================
+/*!
+ * \brief Return a node from the i-th VERTEX (count starts from zero)
+ * Nodes moved to other geometry by MergeNodes() are also returned.
+ * \param [in] i - the VERTEX index
+ * \param [out] isMoved - returns \c true if the found node is moved by MergeNodes()
+ * \return const SMDS_MeshNode* - the found node
+ */
+//================================================================================
+
+const SMDS_MeshNode* StdMeshers_FaceSide::VertexNode(std::size_t i, bool* isMoved) const
+{
+ TopoDS_Vertex V = ( i >= myEdge.size() ) ? LastVertex() : FirstVertex(i);
+
+ const SMDS_MeshNode* n = SMESH_Algo::VertexNode( V, myProxyMesh->GetMeshDS() );
+
+ if ( !n && !myEdge.empty() && myProxyMesh->GetMesh()->HasModificationsToDiscard() )
+ {
+ size_t iE = ( i < myEdge.size() ) ? i : myEdge.size()-1;
+ SMESHDS_SubMesh* sm = myProxyMesh->GetMeshDS()->MeshElements( myEdgeID[ iE ]);
+
+ n = SMESH_Algo::VertexNode( V, sm, myProxyMesh->GetMesh(), /*checkV=*/false );
+
+ if (( !n ) &&
+ (( i > 0 && i < NbEdges() ) || IsClosed() ))
+ {
+ iE = SMESH_MesherHelper::WrapIndex( int(i)-1, NbEdges() );
+ sm = myProxyMesh->GetMeshDS()->MeshElements( myEdgeID[ iE ]);
+ n = SMESH_Algo::VertexNode( V, sm, myProxyMesh->GetMesh(), /*checkV=*/false );
+ }
+
+ if ( n && n->GetPosition()->GetDim() == 1 ) // check that n does not lie on an EDGE of myFace
+ {
+ TopoDS_Shape S = SMESH_MesherHelper::GetSubShapeByNode( n, myProxyMesh->GetMeshDS() );
+ if ( SMESH_MesherHelper::IsSubShape( S, myFace ))
+ n = 0; // VERTEX ignored by e.g. Composite Wire Discretization algo
+ }
+ if ( isMoved )
+ *isMoved = n;
+ }
+ return n;
+}
+
//================================================================================
/*!
* \brief reverse order of vector elements
template <typename T > void reverse(vector<T> & vec)
{
- for ( int f=0, r=vec.size()-1; f < r; ++f, --r )
- std::swap( vec[f], vec[r] );
+ std::reverse( vec.begin(), vec.end() );
}
//================================================================================
me->myNbSegments = 0;
me->myMissingVertexNodes = false;
+ vector<const SMDS_MeshNode*> nodes;
for ( int i = 0; i < NbEdges(); ++i )
{
- TopoDS_Vertex v1 = SMESH_MesherHelper::IthVertex( 0, myEdge[i] );
- if ( SMESH_Algo::VertexNode( v1, myProxyMesh->GetMeshDS() ))
- me->myNbPonits += 1; // for the first end
- else
- me->myMissingVertexNodes = true;
-
- if ( const SMESHDS_SubMesh* sm = myProxyMesh->GetSubMesh( Edge(i) )) {
- int nbN = sm->NbNodes();
- if ( myIgnoreMediumNodes ) {
- SMDS_ElemIteratorPtr elemIt = sm->GetElements();
- if ( elemIt->more() && elemIt->next()->IsQuadratic() )
- nbN -= sm->NbElements();
+ if ( const SMESHDS_SubMesh* sm = myProxyMesh->GetSubMesh( Edge(i) ))
+ {
+ if ( sm->NbNodes() == sm->NbElements()-1 || sm->NbElements() == 0 )
+ {
+ me->myNbPonits += sm->NbNodes();
+ if ( myIgnoreMediumNodes && sm->IsQuadratic() )
+ me->myNbPonits -= sm->NbElements();
+ }
+ else // nodes can be moved to other shapes by MergeNodes()
+ {
+ nodes.clear();
+ GetEdgeNodes( i, nodes, /*v1=*/false, /*v2=*/false );
+ me->myNbPonits += nodes.size();
}
- me->myNbPonits += nbN;
me->myNbSegments += sm->NbElements();
}
}
- TopoDS_Vertex v1 = SMESH_MesherHelper::IthVertex( 1, Edge( NbEdges()-1 ));
- if ( SMESH_Algo::VertexNode( v1, myProxyMesh->GetMeshDS() ))
- me->myNbPonits++; // for the last end
- else
- me->myMissingVertexNodes = true;
+
+ SMESH_MesherHelper helper( *myProxyMesh->GetMesh() );
+ helper.SetSubShape( myFace );
+
+ std::set< const SMDS_MeshNode* > vNodes;
+ const int nbV = NbEdges() + !IsClosed();
+ for ( int i = 0; i < nbV; ++i )
+ if ( const SMDS_MeshNode* n = VertexNode( i ))
+ {
+ if ( !vNodes.insert( n ).second &&
+ ( helper.IsRealSeam ( n->getshapeId() ) ||
+ helper.IsDegenShape( n->getshapeId() )))
+ me->myNbPonits++;
+ }
+ else
+ {
+ me->myMissingVertexNodes = true;
+ }
+ me->myNbPonits += vNodes.size();
+
+ if ( IsClosed() )
+ me->myNbPonits++; // closing node is repeated
}
return myNbPonits;
}
for ( int i=0; i<myEdge.size(); ++i )
aBuilder.Add( aWire, myEdge[i] );
- if ( myEdge.size() == 2 && FirstVertex().IsSame( LastVertex() ))
+ if ( myEdge.size() == 2 && IsClosed() )
aWire.Closed(true); // issue 0021141
return new BRepAdaptor_CompCurve( aWire );
double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
double par = myFirst[i] * ( 1 - r ) + myLast[i] * r;
-
+
// check parametrization of curve
if( !myIsUniform[i] )
{
SMESH_Mesh & theMesh,
const bool theIgnoreMediumNodes,
TError & theError,
- SMESH_ProxyMesh::Ptr theProxyMesh)
+ SMESH_ProxyMesh::Ptr theProxyMesh,
+ const bool theCheckVertexNodes)
{
list< TopoDS_Edge > edges, internalEdges;
list< int > nbEdgesInWires;
// as StdMeshers_FaceSide::GetUVPtStruct() requires
if ( wireEdges.front().Orientation() != TopAbs_INTERNAL ) // Issue 0020676
{
- while ( !SMESH_Algo::VertexNode( TopExp::FirstVertex( wireEdges.front(), true),
- theMesh.GetMeshDS()))
- {
- wireEdges.splice(wireEdges.end(), wireEdges,
- wireEdges.begin(), ++wireEdges.begin());
- if ( from->IsSame( wireEdges.front() )) {
- theError = TError
- ( new SMESH_ComputeError(COMPERR_BAD_INPUT_MESH,"No nodes on vertices"));
- return TSideVector(0);
+ if ( theCheckVertexNodes )
+ while ( !SMESH_Algo::VertexNode( TopExp::FirstVertex( wireEdges.front(), true),
+ theMesh.GetMeshDS()))
+ {
+ wireEdges.splice(wireEdges.end(), wireEdges,
+ wireEdges.begin(), ++wireEdges.begin());
+ if ( from->IsSame( wireEdges.front() )) {
+ theError = TError
+ ( new SMESH_ComputeError(COMPERR_BAD_INPUT_MESH,"No nodes on vertices"));
+ return TSideVector(0);
+ }
}
- }
}
else if ( *nbE > 1 ) // Issue 0020676 (Face_pb_netgen.brep) - several internal edges in a wire
{
return v;
}
+//================================================================================
+/*!
+ * \brief Return \c true if the chain of EDGEs is closed
+ */
+//================================================================================
+
+bool StdMeshers_FaceSide::IsClosed() const
+{
+ return myEdge.empty() ? false : FirstVertex().IsSame( LastVertex() );
+}
