vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
aCellTypesArray->SetNumberOfComponents( 1 );
aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
-
+
vtkIdList *anIdList = vtkIdList::New();
anIdList->SetNumberOfIds(2);
-
+
Length2D::TValues::const_iterator anIter = aValues.begin();
- for(vtkIdType aVtkId = 0; anIter != aValues.end(); anIter++,aVtkId++){
+ aNbCells = 0;
+ for(; anIter != aValues.end(); anIter++){
const Length2D::Value& aValue = *anIter;
int aNode[2] = {
myVisualObj->GetNodeVTKId(aValue.myPntId[0]),
anIdList->SetId( 1, aNode[1] );
aConnectivity->InsertNextCell( anIdList );
aCellTypesArray->InsertNextValue( VTK_LINE );
- aScalars->SetValue(aVtkId,aValue.myLength);
+ aScalars->SetValue(aNbCells,aValue.myLength);
+ aNbCells++;
}
}
-
+ aCellTypesArray->SetNumberOfTuples( aNbCells );
+ aScalars->SetNumberOfTuples( aNbCells );
+
VTKViewer_CellLocationsArray* aCellLocationsArray = VTKViewer_CellLocationsArray::New();
aCellLocationsArray->SetNumberOfComponents( 1 );
aCellLocationsArray->SetNumberOfTuples( aNbCells );
-
+
aConnectivity->InitTraversal();
for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
-
- aDataSet->SetCells( aCellTypesArray, aCellLocationsArray,aConnectivity );
+
+ aDataSet->SetCells( aCellTypesArray, aCellLocationsArray, aConnectivity );
SetUnstructuredGrid(aDataSet);
aDataSet->GetCellData()->SetScalars(aScalars);
aScalars->Delete();
-
+
theLookupTable->SetRange(aScalars->GetRange());
theLookupTable->Build();
-
+
myMergeFilter->SetScalarsData(aDataSet);
aDataSet->Delete();
}
vtkIdType aCellsSize = 3*aNbCells;
vtkCellArray* aConnectivity = vtkCellArray::New();
aConnectivity->Allocate( aCellsSize, 0 );
-
+
vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
aCellTypesArray->SetNumberOfComponents( 1 );
aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
-
+
vtkIdList *anIdList = vtkIdList::New();
anIdList->SetNumberOfIds(2);
-
+
MultiConnection2D::MValues::const_iterator anIter = aValues.begin();
- for(vtkIdType aVtkId = 0; anIter != aValues.end(); anIter++,aVtkId++){
+ aNbCells = 0;
+ for(; anIter != aValues.end(); anIter++){
const MultiConnection2D::Value& aValue = (*anIter).first;
int aNode[2] = {
myVisualObj->GetNodeVTKId(aValue.myPntId[0]),
anIdList->SetId( 1, aNode[1] );
aConnectivity->InsertNextCell( anIdList );
aCellTypesArray->InsertNextValue( VTK_LINE );
- aScalars->SetValue(aVtkId,(*anIter).second);
+ aScalars->SetValue( aNbCells,(*anIter).second);
+ aNbCells++;
}
}
-
+ aCellTypesArray->SetNumberOfTuples( aNbCells );
+ aScalars->SetNumberOfTuples( aNbCells );
+
VTKViewer_CellLocationsArray* aCellLocationsArray = VTKViewer_CellLocationsArray::New();
aCellLocationsArray->SetNumberOfComponents( 1 );
aCellLocationsArray->SetNumberOfTuples( aNbCells );
-
+
aConnectivity->InitTraversal();
for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
-
+
aDataSet->SetCells( aCellTypesArray, aCellLocationsArray,aConnectivity );
SetUnstructuredGrid(aDataSet);
aDataSet->GetCellData()->SetScalars(aScalars);
aScalars->Delete();
-
+
theLookupTable->SetRange(aScalars->GetRange());
theLookupTable->Build();
-
+
myMergeFilter->SetScalarsData(aDataSet);
aDataSet->Delete();
}
{
// duplicate node
aNewNode = theMeshDS->AddNode( aCurrNode->X(), aCurrNode->Y(), aCurrNode->Z() );
+ copyPosition( aCurrNode, aNewNode );
theNodeNodeMap[ aCurrNode ] = aNewNode;
myLastCreatedNodes.Append( aNewNode );
}
if ( theIsDoubleElem )
AddElement(newNodes, anElem->GetType(), anElem->IsPoly());
else
- {
- MESSAGE("ChangeElementNodes");
theMeshDS->ChangeElementNodes( anElem, &newNodes[ 0 ], anElem->NbNodes() );
- }
+
res = true;
}
return res;
\brief Creates a hole in a mesh by doubling the nodes of some particular elements
\param theNodes - identifiers of nodes to be doubled
\param theModifiedElems - identifiers of elements to be updated by the new (doubled)
- nodes. If list of element identifiers is empty then nodes are doubled but
- they not assigned to elements
+ nodes. If list of element identifiers is empty then nodes are doubled but
+ they not assigned to elements
\return TRUE if operation has been completed successfully, FALSE otherwise
*/
//================================================================================
const SMDS_MeshNode* aNewNode = aMeshDS->AddNode( aNode->X(), aNode->Y(), aNode->Z() );
if ( aNewNode )
{
+ copyPosition( aNode, aNewNode );
anOldNodeToNewNode[ aNode ] = aNewNode;
myLastCreatedNodes.Append( aNewNode );
}
}
double *coords = grid->GetPoint(oldId);
SMDS_MeshNode *newNode = meshDS->AddNode(coords[0], coords[1], coords[2]);
+ copyPosition( meshDS->FindNodeVtk( oldId ), newNode );
int newId = newNode->getVtkId();
nodeDomains[oldId][idom] = newId; // cloned node for other domains
//MESSAGE("-+-+-c oldNode " << oldId << " domain " << idomain << " newNode " << newId << " domain " << idom << " size=" <<nodeDomains[oldId].size());
}
}
+ // Remove empty groups (issue 0022812)
+ std::map<std::string, SMESH_Group*>::iterator name_group = mapOfJunctionGroups.begin();
+ for ( ; name_group != mapOfJunctionGroups.end(); ++name_group )
+ {
+ if ( name_group->second && name_group->second->GetGroupDS()->IsEmpty() )
+ myMesh->RemoveGroup( name_group->second->GetGroupDS()->GetID() );
+ }
+
meshDS->CleanDownWardConnectivity(); // Mesh has been modified, downward connectivity is no more usable, free memory
grid->BuildLinks();
if (!clonedNodes.count(node))
{
clone = meshDS->AddNode(node->X(), node->Y(), node->Z());
+ copyPosition( node, clone );
clonedNodes[node] = clone;
}
else
if (!intermediateNodes.count(node))
{
inter = meshDS->AddNode(node->X(), node->Y(), node->Z());
+ copyPosition( node, inter );
intermediateNodes[node] = inter;
}
else
}
return nbAddedBnd;
}
+
+//================================================================================
+/*!
+ * \brief Copy node position and set \a to node on the same geometry
+ */
+//================================================================================
+
+void SMESH_MeshEditor::copyPosition( const SMDS_MeshNode* from,
+ const SMDS_MeshNode* to )
+{
+ if ( !from || !to ) return;
+
+ SMDS_PositionPtr pos = from->GetPosition();
+ if ( !pos || from->getshapeId() < 1 ) return;
+
+ switch ( pos->GetTypeOfPosition() )
+ {
+ case SMDS_TOP_3DSPACE: break;
+
+ case SMDS_TOP_FACE:
+ {
+ const SMDS_FacePosition* fPos = static_cast< const SMDS_FacePosition* >( pos );
+ GetMeshDS()->SetNodeOnFace( to, from->getshapeId(),
+ fPos->GetUParameter(), fPos->GetVParameter() );
+ break;
+ }
+ case SMDS_TOP_EDGE:
+ {
+ // WARNING: it is dangerous to set equal nodes on one EDGE!!!!!!!!
+ const SMDS_EdgePosition* ePos = static_cast< const SMDS_EdgePosition* >( pos );
+ GetMeshDS()->SetNodeOnEdge( to, from->getshapeId(), ePos->GetUParameter() );
+ break;
+ }
+ case SMDS_TOP_VERTEX:
+ {
+ GetMeshDS()->SetNodeOnVertex( to, from->getshapeId() );
+ break;
+ }
+ case SMDS_TOP_UNSPEC:
+ default:;
+ }
+}
{
// look for a "seam" edge, a real seam or an edge on period boundary
TopoDS_Edge edge = TopoDS::Edge( exp.Current() );
+ const int edgeID = meshDS->ShapeToIndex( edge );
if ( myParIndex )
{
BRep_Tool::UVPoints( edge, face, uv1, uv2 );
if ( isSeam )
{
// store seam shape indices, negative if shape encounters twice
- int edgeID = meshDS->ShapeToIndex( edge );
mySeamShapeIds.insert( IsSeamShape( edgeID ) ? -edgeID : edgeID );
for ( TopExp_Explorer v( edge, TopAbs_VERTEX ); v.More(); v.Next() ) {
int vertexID = meshDS->ShapeToIndex( v.Current() );
}
// look for a degenerated edge
if ( SMESH_Algo::isDegenerated( edge )) {
- myDegenShapeIds.insert( meshDS->ShapeToIndex( edge ));
+ myDegenShapeIds.insert( edgeID );
for ( TopExp_Explorer v( edge, TopAbs_VERTEX ); v.More(); v.Next() )
myDegenShapeIds.insert( meshDS->ShapeToIndex( v.Current() ));
}
+ if ( !BRep_Tool::SameParameter( edge ) ||
+ !BRep_Tool::SameRange( edge ))
+ {
+ setPosOnShapeValidity( edgeID, false );
+ }
}
}
}
//=======================================================================
-//function : GetUVOnSeam
+//function : getUVOnSeam
//purpose : Select UV on either of 2 pcurves of a seam edge, closest to the given UV
//=======================================================================
-gp_Pnt2d SMESH_MesherHelper::GetUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& uv2 ) const
+gp_Pnt2d SMESH_MesherHelper::getUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& uv2 ) const
{
gp_Pnt2d result = uv1;
for ( int i = U_periodic; i <= V_periodic ; ++i )
const SMDS_PositionPtr Pos = n->GetPosition();
bool uvOK = false;
- if(Pos->GetTypeOfPosition()==SMDS_TOP_FACE)
+ if ( Pos->GetTypeOfPosition() == SMDS_TOP_FACE )
{
// node has position on face
- const SMDS_FacePosition* fpos =
- static_cast<const SMDS_FacePosition*>( Pos );
- uv.SetCoord(fpos->GetUParameter(),fpos->GetVParameter());
+ const SMDS_FacePosition* fpos = static_cast<const SMDS_FacePosition*>( Pos );
+ uv.SetCoord( fpos->GetUParameter(), fpos->GetVParameter() );
if ( check )
- uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ));
+ uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*getFaceMaxTol( F ));
}
- else if(Pos->GetTypeOfPosition()==SMDS_TOP_EDGE)
+ else if ( Pos->GetTypeOfPosition() == SMDS_TOP_EDGE )
{
- // node has position on edge => it is needed to find
- // corresponding edge from face, get pcurve for this
- // edge and retrieve value from this pcurve
- const SMDS_EdgePosition* epos =
- static_cast<const SMDS_EdgePosition*>( Pos );
- int edgeID = n->getshapeId();
- TopoDS_Edge E = TopoDS::Edge(GetMeshDS()->IndexToShape(edgeID));
+ // node has position on EDGE => it is needed to find
+ // corresponding EDGE from FACE, get pcurve for this
+ // EDGE and retrieve value from this pcurve
+ const SMDS_EdgePosition* epos = static_cast<const SMDS_EdgePosition*>( Pos );
+ const int edgeID = n->getshapeId();
+ const TopoDS_Edge& E = TopoDS::Edge( GetMeshDS()->IndexToShape( edgeID ));
double f, l, u = epos->GetUParameter();
- Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
- bool validU = ( f < u && u < l );
- if ( validU )
- uv = C2d->Value( u );
- else
- uv.SetCoord( Precision::Infinite(),0.);
+ Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface( E, F, f, l );
+ bool validU = ( !C2d.IsNull() && ( f < u ) && ( u < l ));
+ if ( validU ) uv = C2d->Value( u );
+ else uv.SetCoord( Precision::Infinite(),0.);
if ( check || !validU )
- uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ),/*force=*/ !validU );
+ uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*getFaceMaxTol( F ),/*force=*/ !validU );
- // for a node on a seam edge select one of UVs on 2 pcurves
- if ( n2 && IsSeamShape( edgeID ) )
+ // 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, check ));
+ uv = getUVOnSeam( uv, GetNodeUV( F, n2, 0, check ));
}
else
{ // adjust uv to period
if ( isUPeriodic || isVPeriodic ) {
Standard_Real UF,UL,VF,VL;
S->Bounds(UF,UL,VF,VL);
- if ( isUPeriodic )
- newUV.SetX( uv.X() + ShapeAnalysis::AdjustToPeriod(uv.X(),UF,UL));
- if ( isVPeriodic )
- newUV.SetY( uv.Y() + ShapeAnalysis::AdjustToPeriod(uv.Y(),VF,VL));
- }
- if ( n2 )
- {
- gp_Pnt2d uv2 = GetNodeUV( F, n2, 0, check );
- if ( isUPeriodic && Abs( uv.X()-uv2.X() ) < Abs( newUV.X()-uv2.X() ))
- newUV.SetX( uv.X() );
- if ( isVPeriodic && Abs( uv.Y()-uv2.Y() ) < Abs( newUV.Y()-uv2.Y() ))
- newUV.SetY( uv.Y() );
+ if ( isUPeriodic ) newUV.SetX( uv.X() + ShapeAnalysis::AdjustToPeriod(uv.X(),UF,UL));
+ if ( isVPeriodic ) newUV.SetY( uv.Y() + ShapeAnalysis::AdjustToPeriod(uv.Y(),VF,VL));
+
+ if ( n2 )
+ {
+ gp_Pnt2d uv2 = GetNodeUV( F, n2, 0, check );
+ if ( isUPeriodic && Abs( uv.X()-uv2.X() ) < Abs( newUV.X()-uv2.X() ))
+ newUV.SetX( uv.X() );
+ if ( isVPeriodic && Abs( uv.Y()-uv2.Y() ) < Abs( newUV.Y()-uv2.Y() ))
+ newUV.SetY( uv.Y() );
+ }
}
uv = newUV;
}
}
- else if(Pos->GetTypeOfPosition()==SMDS_TOP_VERTEX)
+ else if ( Pos->GetTypeOfPosition() == SMDS_TOP_VERTEX )
{
if ( int vertexID = n->getshapeId() ) {
const TopoDS_Vertex& V = TopoDS::Vertex(GetMeshDS()->IndexToShape(vertexID));
// get UV of a vertex closest to the node
double dist = 1e100;
gp_Pnt pn = XYZ( n );
- for ( TopExp_Explorer vert(F,TopAbs_VERTEX); !uvOK && vert.More(); vert.Next() ) {
+ for ( TopExp_Explorer vert( F,TopAbs_VERTEX ); !uvOK && vert.More(); vert.Next() ) {
TopoDS_Vertex curV = TopoDS::Vertex( vert.Current() );
gp_Pnt p = BRep_Tool::Pnt( curV );
double curDist = p.SquareDistance( pn );
}
}
}
- if ( n2 && IsSeamShape( vertexID ) )
- uv = GetUVOnSeam( uv, GetNodeUV( F, n2, 0 ));
+ if ( n2 && IsSeamShape( vertexID ))
+ {
+ bool isSeam = ( myShape.IsSame( F ));
+ if ( !isSeam ) {
+ SMESH_MesherHelper h( *myMesh );
+ h.SetSubShape( F );
+ isSeam = IsSeamShape( vertexID );
+ }
+
+ if ( isSeam )
+ uv = getUVOnSeam( uv, GetNodeUV( F, n2, 0 ));
+ }
}
}
else
{
- uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ));
+ uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*getFaceMaxTol( F ));
}
if ( check )
const_cast<SMDS_MeshNode*>(n)->SetPosition
( SMDS_PositionPtr( new SMDS_FacePosition( U, V )));
}
- else if ( uv.Modulus() > numeric_limits<double>::min() )
+ else if ( myShape.IsSame(F) && uv.Modulus() > numeric_limits<double>::min() )
{
setPosOnShapeValidity( shapeID, true );
}
//=======================================================================
//function : GetMediumPos
//purpose : Return index and type of the shape (EDGE or FACE only) to
-// set a medium node on
+// set a medium node on
//param : useCurSubShape - if true, returns the shape set via SetSubShape()
// if any
+// calling GetMediumPos() with useCurSubShape=true is OK only for the
+// case where the lower dim mesh is already constructed and converted to quadratic,
+// else, nodes on EDGEs are assigned to FACE, for example.
//=======================================================================
std::pair<int, TopAbs_ShapeEnum>
TopoDS_Edge E; double u [2];
TopoDS_Face F; gp_XY uv[2];
bool uvOK[2] = { false, false };
+ const bool useCurSubShape = ( !myShape.IsNull() && myShape.ShapeType() == TopAbs_EDGE );
- pair<int, TopAbs_ShapeEnum> pos = GetMediumPos( n1, n2, mySetElemOnShape );
- // calling GetMediumPos() with useCurSubShape=mySetElemOnShape is OK only for the
- // case where the lower dim mesh is already constructed, else, nodes on EDGEs are
- // assigned to FACE, for example.
+ pair<int, TopAbs_ShapeEnum> pos = GetMediumPos( n1, n2, useCurSubShape );
// get positions of the given nodes on shapes
if ( pos.second == TopAbs_FACE )
return tol;
}
+//================================================================================
+/*!
+ * \brief Return MaxTolerance( face ), probably cached
+ */
+//================================================================================
+
+double SMESH_MesherHelper::getFaceMaxTol( const TopoDS_Shape& face ) const
+{
+ int faceID = GetMeshDS()->ShapeToIndex( face );
+
+ SMESH_MesherHelper* me = const_cast< SMESH_MesherHelper* >( this );
+ double & tol = me->myFaceMaxTol.insert( make_pair( faceID, -1. )).first->second;
+ if ( tol < 0 )
+ tol = MaxTolerance( face );
+
+ return tol;
+}
+
//================================================================================
/*!
* \brief Return an angle between two EDGEs sharing a common VERTEX with reference
// 3. Compute displacement of medium nodes
// ---------------------------------------
+ SMESH_MesherHelper faceHlp(*myMesh);
+
// two loops on QFaces: the first is to treat boundary links, the second is for internal ones.
TopLoc_Location loc;
bool checkUV;
TopoDS_Face face;
if ( !isInside )
{
- // compute node displacement of end links of chain in parametric space of face
+ // 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 )
{
face = TopoDS::Face( f );
+ faceHlp.SetSubShape( face );
Handle(Geom_Surface) surf = BRep_Tool::Surface(face,loc);
bool isStraight[2];
for ( int is1 = 0; is1 < 2; ++is1 ) // move0 or move1
{
TChainLink& link = is1 ? chain.back() : chain.front();
- gp_XY uvm = GetNodeUV( face, link->_mediumNode, nodeOnFace, &checkUV);
- gp_XY uv1 = GetNodeUV( face, link->node1(), nodeOnFace, &checkUV);
- gp_XY uv2 = GetNodeUV( face, link->node2(), nodeOnFace, &checkUV);
- gp_XY uv12 = GetMiddleUV( surf, uv1, uv2);
+ gp_XY uvm = faceHlp.GetNodeUV( face, link->_mediumNode, nodeOnFace, &checkUV );
+ gp_XY uv1 = faceHlp.GetNodeUV( face, link->node1(), nodeOnFace, &checkUV );
+ gp_XY uv2 = faceHlp.GetNodeUV( face, link->node2(), nodeOnFace, &checkUV );
+ gp_XY uv12 = faceHlp.GetMiddleUV( surf, uv1, uv2 );
// uvMove = uvm - uv12
gp_XY uvMove = applyIn2D(surf, uvm, uv12, gp_XY_Subtracted, /*inPeriod=*/false);
( is1 ? move1 : move0 ).SetCoord( uvMove.X(), uvMove.Y(), 0 );
}
// 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);
+ gp_XY uvm = faceHlp.GetNodeUV( face, linkOnFace->_mediumNode, 0, &checkUV );
+ gp_XY uv1 = faceHlp.GetNodeUV( face, linkOnFace->node1(), nodeOnFace, &checkUV );
+ gp_XY uv2 = faceHlp.GetNodeUV( face, linkOnFace->node2(), nodeOnFace, &checkUV );
+ gp_XY uv12 = faceHlp.GetMiddleUV( surf, uv1, uv2 );
if (( uvm - uv12 ).SquareModulus() > 1e-10 )
{
MSG("Already fixed - ignore");
else {
// compute 3D displacement by 2D one
Handle(Geom_Surface) s = BRep_Tool::Surface(face,loc);
- gp_XY oldUV = GetNodeUV( face, (*link1)->_mediumNode, 0, &checkUV);
- gp_XY newUV = applyIn2D( s, oldUV, gp_XY( move.X(),move.Y()), gp_XY_Added);
+ gp_XY oldUV = faceHlp.GetNodeUV( face, (*link1)->_mediumNode, 0, &checkUV );
+ gp_XY newUV = applyIn2D( s, oldUV, gp_XY( move.X(),move.Y()), gp_XY_Added );
gp_Pnt newPnt = s->Value( newUV.X(), newUV.Y());
move = gp_Vec( XYZ((*link1)->_mediumNode), newPnt.Transformed(loc) );
if ( SMDS_FacePosition* nPos =
if ( (XYZ((*link1)->node1()) - XYZ((*link1)->node2())).SquareModulus() <
move.SquareMagnitude())
{
- gp_XY uv0 = GetNodeUV( face, (*link0)->_mediumNode, 0, &checkUV);
- gp_XY uv2 = GetNodeUV( face, (*link2)->_mediumNode, 0, &checkUV);
+ gp_XY uv0 = faceHlp.GetNodeUV( face, (*link0)->_mediumNode, 0, &checkUV );
+ gp_XY uv2 = faceHlp.GetNodeUV( face, (*link2)->_mediumNode, 0, &checkUV );
MSG( "TOO LONG MOVE \t" <<
"uv0: "<<uv0.X()<<", "<<uv0.Y()<<" \t" <<
"uv2: "<<uv2.X()<<", "<<uv2.Y()<<" \t" <<
