// check if edge has non-uniform parametrization (issue 0020705)
if ( !myC2d[i].IsNull() && myEdgeLength[i] > DBL_MIN)
{
- Geom2dAdaptor_Curve A2dC( myC2d[i] );
+ 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 );
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
- if ( node ) { // internal nodes may be missing
- u2node.insert( make_pair( prevNormPar, node ));
+ if ( node ) { // nodes on internal vertices may be missing
+ u2node.insert( u2node.end(), make_pair( prevNormPar, node ));
}
else if ( i == 0 ) {
MESSAGE(" NO NODE on VERTEX" );
}
// Put internal nodes
- SMESHDS_SubMesh* sm = meshDS->MeshElements( myEdge[i] );
- if ( !sm ) continue;
- vector< pair< double, const SMDS_MeshNode*> > u2nodeVec;
- u2nodeVec.reserve( sm->NbNodes() );
- SMDS_NodeIteratorPtr nItr = sm->GetNodes();
- double paramSize = myLast[i] - myFirst[i];
- double r = myNormPar[i] - prevNormPar;
- if ( !myIsUniform[i] )
- while ( nItr->more() )
- {
- 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 aLenU = GCPnts_AbscissaPoint::Length
- ( const_cast<GeomAdaptor_Curve&>( myC3dAdaptor[i]), myFirst[i], u );
- if ( myEdgeLength[i] < aLenU ) // nonregression test "3D_mesh_NETGEN/G6"
+ if ( SMESHDS_SubMesh* sm = meshDS->MeshElements( myEdge[i] ))
+ {
+ vector< pair< double, const SMDS_MeshNode*> > u2nodeVec;
+ u2nodeVec.reserve( sm->NbNodes() );
+ SMDS_NodeIteratorPtr nItr = sm->GetNodes();
+ double paramSize = myLast[i] - myFirst[i];
+ double r = myNormPar[i] - prevNormPar;
+ if ( !myIsUniform[i] )
+ while ( nItr->more() )
{
- u2nodeVec.clear();
- break;
+ 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 aLenU = GCPnts_AbscissaPoint::Length
+ ( const_cast<GeomAdaptor_Curve&>( myC3dAdaptor[i]), myFirst[i], u );
+ if ( myEdgeLength[i] < aLenU ) // nonregression test "3D_mesh_NETGEN/G6"
+ {
+ u2nodeVec.clear();
+ break;
+ }
+ double normPar = prevNormPar + r*aLenU/myEdgeLength[i];
+ u2nodeVec.push_back( make_pair( normPar, node ));
}
- double normPar = prevNormPar + r*aLenU/myEdgeLength[i];
- u2nodeVec.push_back( make_pair( normPar, node ));
- }
- nItr = sm->GetNodes();
- if ( u2nodeVec.empty() )
- while ( nItr->more() )
- {
- const SMDS_MeshNode* node = nItr->next();
- if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( node, SMDSAbs_Edge ))
- continue;
- double u = helper.GetNodeU( myEdge[i], node, 0, ¶mOK );
-
- // paramSize is signed so orientation is taken into account
- double normPar = prevNormPar + r * ( u - myFirst[i] ) / paramSize;
- u2nodeVec.push_back( make_pair( normPar, node ));
- }
- u2node.insert( u2nodeVec.begin(), u2nodeVec.end() );
+ nItr = sm->GetNodes();
+ if ( u2nodeVec.empty() )
+ while ( nItr->more() )
+ {
+ const SMDS_MeshNode* node = nItr->next();
+ if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( node, SMDSAbs_Edge ))
+ continue;
+ double u = helper.GetNodeU( myEdge[i], node, 0, ¶mOK );
+
+ // paramSize is signed so orientation is taken into account
+ double normPar = prevNormPar + r * ( u - myFirst[i] ) / paramSize;
+ u2nodeVec.push_back( make_pair( normPar, node ));
+ }
+ for ( size_t j = 0; j < u2nodeVec.size(); ++j )
+ u2node.insert( u2node.end(), u2nodeVec[j] );
+ }
// Put 2nd vertex node for a last edge
if ( i+1 == myEdge.size() ) {
MESSAGE(" NO NODE on VERTEX" );
return myPoints;
}
- u2node.insert( make_pair( 1., node ));
+ u2node.insert( u2node.end(), make_pair( 1., node ));
}
}
if ( u2node.size() != myNbPonits ) {
}
return myFalsePoints;
}
-// gp_Pnt StdMeshers_FaceSide::Value(double U) const
-// {
-// }
+
+//=======================================================================
+//function : GetOrderedNodes
+//purpose : Return nodes in the order they encounter while walking along the side
+//=======================================================================
+
+std::vector<const SMDS_MeshNode*> StdMeshers_FaceSide::GetOrderedNodes() const
+{
+ vector<const SMDS_MeshNode*> resultNodes;
+ if ( myPoints.empty() )
+ {
+ if ( NbEdges() == 0 ) return resultNodes;
+
+ SMESHDS_Mesh* meshDS = myMesh->GetMeshDS();
+ SMESH_MesherHelper helper(*myMesh);
+ bool paramOK;
+
+ // Sort nodes of all edges putting them into a map
+
+ map< double, const SMDS_MeshNode*> u2node;
+ for ( int i = 0; i < myEdge.size(); ++i )
+ {
+ // 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
+ if ( node ) { // nodes on internal vertices may be missing
+ u2node.insert( make_pair( prevNormPar, node ));
+ }
+ else if ( i == 0 ) {
+ MESSAGE(" NO NODE on VERTEX" );
+ return resultNodes;
+ }
+
+ // Put internal nodes
+ if ( SMESHDS_SubMesh* sm = meshDS->MeshElements( myEdge[i] ))
+ {
+ SMDS_NodeIteratorPtr nItr = sm->GetNodes();
+ double paramSize = myLast[i] - myFirst[i];
+ double r = myNormPar[i] - prevNormPar;
+ while ( nItr->more() )
+ {
+ const SMDS_MeshNode* node = nItr->next();
+ if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( node, SMDSAbs_Edge ))
+ continue;
+ double u = helper.GetNodeU( myEdge[i], node, 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 ));
+ }
+ }
+
+ // Put 2nd vertex node for a last edge
+ if ( i+1 == myEdge.size() ) {
+ node = SMESH_Algo::VertexNode( VV[1], meshDS );
+ if ( !node ) {
+ return resultNodes;
+ }
+ u2node.insert( u2node.end(), make_pair( 1., node ));
+ }
+ }
+
+ // Fill the result vector
+
+ if ( u2node.size() == myNbPonits )
+ {
+ resultNodes.reserve( u2node.size() );
+ map< double, const SMDS_MeshNode*>::iterator u2n = u2node.begin();
+ for ( ; u2n != u2node.end(); ++u2n )
+ resultNodes.push_back( u2n->second );
+ }
+ }
+ else
+ {
+ resultNodes.resize( myPoints.size() );
+ for ( size_t i = 0; i < myPoints.size(); ++i )
+ resultNodes[i] = myPoints[i].node;
+ }
+
+ return resultNodes;
+}
//================================================================================
/*!