-// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2020 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
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-// SMESH SMESH : implementaion of SMESH idl descriptions
+// SMESH SMESH : implementation of SMESH idl descriptions
// File : StdMeshers_Projection_2D.cxx
// Module : SMESH
// Created : Fri Oct 20 11:37:07 2006
#include "SMESH_Gen.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_MeshAlgos.hxx"
+#include "SMESH_MeshEditor.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_Pattern.hxx"
#include "SMESH_subMesh.hxx"
#include <BRepMesh_Delaun.hxx>
#include <BRep_Tool.hxx>
#include <Bnd_B2d.hxx>
+#include <GeomAPI_ExtremaCurveCurve.hxx>
#include <GeomAPI_ProjectPointOnSurf.hxx>
+#include <GeomAdaptor_Curve.hxx>
+#include <GeomAdaptor_HCurve.hxx>
+#include <GeomAdaptor_HSurface.hxx>
+#include <GeomAdaptor_Surface.hxx>
#include <GeomLib_IsPlanarSurface.hxx>
+#include <Geom_Line.hxx>
+#include <IntCurveSurface_HInter.hxx>
#include <Precision.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
namespace TAssocTool = StdMeshers_ProjectionUtils;
//typedef StdMeshers_ProjectionUtils TAssocTool;
+// allow range iteration on NCollection_IndexedMap
+template < class IMAP >
+typename IMAP::const_iterator begin( const IMAP & m ) { return m.cbegin(); }
+template < class IMAP >
+typename IMAP::const_iterator end( const IMAP & m ) { return m.cend(); }
+
//=======================================================================
//function : StdMeshers_Projection_2D
-//purpose :
+//purpose :
//=======================================================================
-StdMeshers_Projection_2D::StdMeshers_Projection_2D(int hypId, int studyId, SMESH_Gen* gen)
- :SMESH_2D_Algo(hypId, studyId, gen)
+StdMeshers_Projection_2D::StdMeshers_Projection_2D(int hypId, SMESH_Gen* gen)
+ :SMESH_2D_Algo(hypId, gen)
{
_name = "Projection_2D";
_compatibleHypothesis.push_back("ProjectionSource2D");
//=======================================================================
//function : CheckHypothesis
-//purpose :
+//purpose :
//=======================================================================
bool StdMeshers_Projection_2D::CheckHypothesis(SMESH_Mesh& theMesh,
//================================================================================
bool getBoundaryNodes ( SMESH_subMesh* sm,
- const TopoDS_Face& face,
+ const TopoDS_Face& /*face*/,
map< double, const SMDS_MeshNode* > & u2nodes,
set< const SMDS_MeshNode* > & seamNodes)
{
if ( node->GetPosition()->GetTypeOfPosition() != SMDS_TOP_EDGE )
RETURN_BAD_RESULT("Bad node position type: node " << node->GetID() <<
" pos type " << node->GetPosition()->GetTypeOfPosition());
- const SMDS_EdgePosition* pos =
- static_cast<const SMDS_EdgePosition*>(node->GetPosition());
+ SMDS_EdgePositionPtr pos = node->GetPosition();
u2nodes.insert( make_pair( pos->GetUParameter(), node ));
seamNodes.insert( node );
}
const TopoDS_Face& srcFace,
SMESH_Mesh * tgtMesh,
SMESH_Mesh * srcMesh,
+ SMESH_MesherHelper* tgtHelper,
const TAssocTool::TShapeShapeMap& shape2ShapeMap,
TSideVector& srcWires,
TSideVector& tgtWires,
// get ordered src EDGEs
TError err;
- srcWires = StdMeshers_FaceSide::GetFaceWires( srcFace, *srcMesh,/*skipMediumNodes=*/0, err);
+ srcWires = StdMeshers_FaceSide::GetFaceWires( srcFace, *srcMesh,/*skipMediumNodes=*/0, err );
if (( err && !err->IsOK() ) ||
( srcWires.empty() ))
return err;
<< tgtMesh->GetMeshDS()->ShapeToIndex( tgtFace ) << " <- "
<< srcMesh->GetMeshDS()->ShapeToIndex( srcFace ) << endl;
#endif
- SMESH_MesherHelper srcHelper( *srcMesh );
- srcHelper.SetSubShape( srcFace );
// make corresponding sequence of tgt EDGEs
tgtWires.resize( srcWires.size() );
tgtWires[ iW ].reset( new StdMeshers_FaceSide( tgtFace, tgtEdges, tgtMesh,
/*theIsForward = */ true,
- /*theIgnoreMediumNodes = */false));
+ /*theIgnoreMediumNodes = */false,
+ tgtHelper ));
StdMeshers_FaceSidePtr tgtWire = tgtWires[ iW ];
// Fill map of src to tgt nodes with nodes on edges
else
{
const bool skipMedium = true, isFwd = true;
- StdMeshers_FaceSide srcEdge( srcFace, srcWire->Edge(iE), srcMesh, isFwd, skipMedium);
- StdMeshers_FaceSide tgtEdge( tgtFace, tgtWire->Edge(iE), tgtMesh, isFwd, skipMedium);
-
+ StdMeshers_FaceSide srcEdge( srcFace, srcWire->Edge(iE),
+ srcMesh, isFwd, skipMedium, srcWires[0]->FaceHelper() );
+ StdMeshers_FaceSide tgtEdge( tgtFace, tgtWire->Edge(iE),
+ tgtMesh, isFwd, skipMedium, tgtHelper);
+
vector< const SMDS_MeshNode* > srcNodes = srcEdge.GetOrderedNodes();
vector< const SMDS_MeshNode* > tgtNodes = tgtEdge.GetOrderedNodes();
//================================================================================
/*!
- * \brief Preform projection in case if tgtFace.IsPartner( srcFace ) and in case
+ * \brief Perform projection in case if tgtFace.IsPartner( srcFace ) and in case
* if projection by 3D transformation is possible
*/
//================================================================================
TAssocTool::TNodeNodeMap& src2tgtNodes,
const bool is1DComputed)
{
- SMESH_Mesh * tgtMesh = tgtWires[0]->GetMesh();
- SMESH_Mesh * srcMesh = srcWires[0]->GetMesh();
- SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS();
- SMESHDS_Mesh* srcMeshDS = srcMesh->GetMeshDS();
- SMESH_MesherHelper helper( *tgtMesh );
+ SMESH_Mesh * tgtMesh = tgtWires[0]->GetMesh();
+ SMESH_Mesh * srcMesh = srcWires[0]->GetMesh();
+ SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS();
+ SMESHDS_Mesh* srcMeshDS = srcMesh->GetMeshDS();
+ SMESH_MesherHelper* helper = tgtWires[0]->FaceHelper();
const double tol = 1.e-7 * srcMeshDS->getMaxDim();
0.123 * ( srcSurf.FirstVParameter() + srcSurf.LastVParameter() ));
gp_Pnt tgtTrsfP = trsf.Transform( srcP );
TopLoc_Location loc;
- GeomAPI_ProjectPointOnSurf& proj = helper.GetProjector( tgtFace, loc, 0.1*tol );
+ GeomAPI_ProjectPointOnSurf& proj = helper->GetProjector( tgtFace, loc, 0.1*tol );
if ( !loc.IsIdentity() )
tgtTrsfP.Transform( loc.Transformation().Inverted() );
proj.Perform( tgtTrsfP );
// Make new faces
// prepare the helper to adding quadratic elements if necessary
- //helper.SetSubShape( tgtFace );
- helper.IsQuadraticSubMesh( tgtFace );
+ helper->IsQuadraticSubMesh( tgtFace );
SMESHDS_SubMesh* srcSubDS = srcMeshDS->MeshElements( srcFace );
if ( !is1DComputed && srcSubDS->NbElements() )
- helper.SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() );
+ helper->SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() );
- SMESH_MesherHelper srcHelper( *srcMesh );
- srcHelper.SetSubShape( srcFace );
- SMESH_MesherHelper edgeHelper( *tgtMesh );
+ SMESH_MesherHelper* srcHelper = srcWires[0]->FaceHelper();
+ SMESH_MesherHelper edgeHelper( *tgtMesh );
edgeHelper.ToFixNodeParameters( true );
const SMDS_MeshNode* nullNode = 0;
const SMDS_MeshElement* elem = elemIt->next();
const int nbN = elem->NbCornerNodes();
tgtNodes.resize( nbN );
- helper.SetElementsOnShape( false );
+ helper->SetElementsOnShape( false );
for ( int i = 0; i < nbN; ++i ) // loop on nodes of the source element
{
const SMDS_MeshNode* srcNode = elem->GetNode(i);
{
// create a new node
gp_Pnt tgtP = trsf.Transform( SMESH_TNodeXYZ( srcNode ));
- SMDS_MeshNode* n = helper.AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() );
+ SMDS_MeshNode* n = helper->AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() );
srcN_tgtN->second = n;
switch ( srcNode->GetPosition()->GetTypeOfPosition() )
{
case SMDS_TOP_FACE:
{
- gp_Pnt2d srcUV = srcHelper.GetNodeUV( srcFace, srcNode );
- tgtMeshDS->SetNodeOnFace( n, helper.GetSubShapeID(), srcUV.X(), srcUV.Y() );
+ gp_Pnt2d srcUV = srcHelper->GetNodeUV( srcFace, srcNode );
+ tgtMeshDS->SetNodeOnFace( n, helper->GetSubShapeID(), srcUV.X(), srcUV.Y() );
break;
}
case SMDS_TOP_EDGE:
{
const TopoDS_Edge& srcE = TopoDS::Edge( srcMeshDS->IndexToShape( srcNode->getshapeId()));
const TopoDS_Edge& tgtE = TopoDS::Edge( shape2ShapeMap( srcE, /*isSrc=*/true ));
- double srcU = srcHelper.GetNodeU( srcE, srcNode );
+ double srcU = srcHelper->GetNodeU( srcE, srcNode );
tgtMeshDS->SetNodeOnEdge( n, tgtE, srcU );
if ( !tgtFace.IsPartner( srcFace ))
{
tgtNodes[i] = srcN_tgtN->second;
}
// create a new face
- helper.SetElementsOnShape( true );
+ helper->SetElementsOnShape( true );
switch ( nbN )
{
- case 3: helper.AddFace(tgtNodes[0], tgtNodes[tri1], tgtNodes[tri2]); break;
- case 4: helper.AddFace(tgtNodes[0], tgtNodes[quad1], tgtNodes[2], tgtNodes[quad3]); 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;
default:
if ( isReverse ) std::reverse( tgtNodes.begin(), tgtNodes.end() );
- helper.AddPolygonalFace( tgtNodes );
+ helper->AddPolygonalFace( tgtNodes );
}
}
if ( !tgtFace.IsPartner( srcFace ) )
{
- helper.ToFixNodeParameters( true );
+ helper->ToFixNodeParameters( true );
int nbOkPos = 0;
const double tol2d = 1e-12;
case SMDS_TOP_FACE:
{
if ( nbOkPos > 10 ) break;
- gp_XY uv = helper.GetNodeUV( tgtFace, n ), uvBis = uv;
- if (( helper.CheckNodeUV( tgtFace, n, uv, tol )) &&
+ gp_XY uv = helper->GetNodeUV( tgtFace, n ), uvBis = uv;
+ if (( helper->CheckNodeUV( tgtFace, n, uv, tol )) &&
(( uv - uvBis ).SquareModulus() < tol2d ))
++nbOkPos;
else
//================================================================================
/*!
- * \brief Preform projection in case if the faces are similar in 2D space
+ * \brief Perform projection in case if the faces are similar in 2D space
*/
//================================================================================
SMESHDS_SubMesh* srcSubDS = srcMesh->GetMeshDS()->MeshElements( srcFace );
- SMESH_MesherHelper helper( *tgtMesh );
- helper.SetSubShape( tgtFace );
+ SMESH_MesherHelper* helper = tgtWires[0]->FaceHelper();
if ( is1DComputed )
- helper.IsQuadraticSubMesh( tgtFace );
+ helper->IsQuadraticSubMesh( tgtFace );
else
- helper.SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() );
- helper.SetElementsOnShape( true );
+ helper->SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() );
+ helper->SetElementsOnShape( true );
Handle(Geom_Surface) tgtSurface = BRep_Tool::Surface( tgtFace );
SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS();
- SMESH_MesherHelper srcHelper( *srcMesh );
- srcHelper.SetSubShape( srcFace );
+ SMESH_MesherHelper* srcHelper = srcWires[0]->FaceHelper();
const SMDS_MeshNode* nullNode = 0;
TAssocTool::TNodeNodeMap::iterator srcN_tgtN;
while ( elemIt->more() ) // loop on all mesh faces on srcFace
{
const SMDS_MeshElement* elem = elemIt->next();
- const int nbN = elem->NbCornerNodes();
+ const int nbN = elem->NbCornerNodes();
tgtNodes.resize( nbN );
for ( int i = 0; i < nbN; ++i ) // loop on nodes of the source element
{
if ( srcN_tgtN->second == nullNode )
{
// create a new node
- gp_Pnt2d srcUV = srcHelper.GetNodeUV( srcFace, srcNode,
- elem->GetNode( helper.WrapIndex(i+1,nbN)), &uvOK);
+ gp_Pnt2d srcUV = srcHelper->GetNodeUV( srcFace, srcNode,
+ elem->GetNode( helper->WrapIndex(i+1,nbN)), &uvOK);
gp_Pnt2d tgtUV = trsf.Transform( srcUV );
gp_Pnt tgtP = tgtSurface->Value( tgtUV.X(), tgtUV.Y() );
SMDS_MeshNode* n = tgtMeshDS->AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() );
switch ( srcNode->GetPosition()->GetTypeOfPosition() )
{
case SMDS_TOP_FACE: {
- tgtMeshDS->SetNodeOnFace( n, helper.GetSubShapeID(), tgtUV.X(), tgtUV.Y() );
+ tgtMeshDS->SetNodeOnFace( n, helper->GetSubShapeID(), tgtUV.X(), tgtUV.Y() );
break;
}
case SMDS_TOP_EDGE: {
- TopoDS_Shape srcEdge = srcHelper.GetSubShapeByNode( srcNode, srcHelper.GetMeshDS() );
+ TopoDS_Shape srcEdge = srcHelper->GetSubShapeByNode( srcNode, srcHelper->GetMeshDS() );
TopoDS_Edge tgtEdge = TopoDS::Edge( shape2ShapeMap( srcEdge, /*isSrc=*/true ));
double U = Precision::Infinite();
- helper.CheckNodeU( tgtEdge, n, U, Precision::PConfusion());
+ helper->CheckNodeU( tgtEdge, n, U, Precision::PConfusion());
tgtMeshDS->SetNodeOnEdge( n, TopoDS::Edge( tgtEdge ), U );
break;
}
case SMDS_TOP_VERTEX: {
- TopoDS_Shape srcV = srcHelper.GetSubShapeByNode( srcNode, srcHelper.GetMeshDS() );
+ TopoDS_Shape srcV = srcHelper->GetSubShapeByNode( srcNode, srcHelper->GetMeshDS() );
TopoDS_Shape tgtV = shape2ShapeMap( srcV, /*isSrc=*/true );
tgtMeshDS->SetNodeOnVertex( n, TopoDS::Vertex( tgtV ));
break;
// create a new face (with reversed orientation)
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[2], tgtNodes[1]); break;
+ case 4: helper->AddFace(tgtNodes[0], tgtNodes[3], tgtNodes[2], tgtNodes[1]); break;
}
} // loop on all mesh faces on srcFace
//================================================================================
/*!
- * \brief Preform projection in case of quadrilateral faces
+ * \brief Perform projection in case of quadrilateral faces
*/
//================================================================================
- bool projectQuads(const TopoDS_Face& tgtFace,
- const TopoDS_Face& srcFace,
- const TSideVector& tgtWires,
- const TSideVector& srcWires,
- const TAssocTool::TShapeShapeMap& shape2ShapeMap,
- TAssocTool::TNodeNodeMap& src2tgtNodes,
- const bool is1DComputed)
+ bool projectQuads(const TopoDS_Face& /*tgtFace*/,
+ const TopoDS_Face& /*srcFace*/,
+ const TSideVector& /*tgtWires*/,
+ const TSideVector& /*srcWires*/,
+ const TAssocTool::TShapeShapeMap& /*shape2ShapeMap*/,
+ TAssocTool::TNodeNodeMap& /*src2tgtNodes*/,
+ const bool /*is1DComputed*/)
{
// SMESH_Mesh * tgtMesh = tgtWires[0]->GetMesh();
// SMESH_Mesh * srcMesh = srcWires[0]->GetMesh();
// }
// else
// {
- // // find XY of src node withing the quadrilateral srcFace
+ // // find XY of src node within the quadrilateral srcFace
// if ( !block.ComputeParameters( SMESH_TNodeXYZ( srcNode ),
// tgtNodeOrXY.second, srcFaceBID ))
// return false;
// // as all XY are computed, create tgt nodes and faces
- // SMESH_MesherHelper helper( *tgtMesh );
- // helper.SetSubShape( tgtFace );
+ // SMESH_MesherHelper helper = *tgtWires[0]->FaceHelper();
// if ( is1DComputed )
// helper.IsQuadraticSubMesh( tgtFace );
// else
// helper.SetElementsOnShape( true );
// Handle(Geom_Surface) tgtSurface = BRep_Tool::Surface( tgtFace );
- // SMESH_MesherHelper srcHelper( *srcMesh );
- // srcHelper.SetSubShape( srcFace );
+ // SMESH_MesherHelper srcHelper = *srcWires[0]->FaceHelper();
// vector< const SMDS_MeshNode* > tgtNodes;
// gp_XY uv;
{
SMESH_subMesh* faceSM = helper.GetMesh()->GetSubMesh( helper.GetSubShape() );
- if ( helper.IsDistorted2D( faceSM, /*checkUV=*/true ))
+ //if ( helper.IsDistorted2D( faceSM, /*checkUV=*/true ))
{
SMESH_MeshEditor editor( helper.GetMesh() );
SMESHDS_SubMesh* smDS = faceSM->GetSubMeshDS();
return true;
}
- typedef list< pair< const SMDS_MeshNode*, const BRepMesh_Triangle* > > TNodeTriaList;
+ //=======================================================================
+ /*
+ * Set initial association of VERTEXes for the case of projection
+ * from a quadrangle FACE to a closed FACE, where opposite src EDGEs
+ * have different nb of segments
+ */
+ //=======================================================================
+
+ void initAssoc4Quad2Closed(const TopoDS_Shape& tgtFace,
+ SMESH_MesherHelper& tgtHelper,
+ const TopoDS_Shape& srcFace,
+ SMESH_Mesh* srcMesh,
+ TAssocTool::TShapeShapeMap & assocMap)
+ {
+ if ( !tgtHelper.HasRealSeam() || srcFace.ShapeType() != TopAbs_FACE )
+ return; // no seam edge
+ list< TopoDS_Edge > tgtEdges, srcEdges;
+ list< int > tgtNbEW, srcNbEW;
+ int tgtNbW = SMESH_Block::GetOrderedEdges( TopoDS::Face( tgtFace ), tgtEdges, tgtNbEW );
+ int srcNbW = SMESH_Block::GetOrderedEdges( TopoDS::Face( srcFace ), srcEdges, srcNbEW );
+ if ( tgtNbW != 1 || srcNbW != 1 ||
+ tgtNbEW.front() != 4 || srcNbEW.front() != 4 )
+ return; // not quads
+
+ int srcNbSeg[4];
+ list< TopoDS_Edge >::iterator edgeS = srcEdges.begin(), edgeT = tgtEdges.begin();
+ for ( int i = 0; edgeS != srcEdges.end(); ++i, ++edgeS )
+ if ( SMESHDS_SubMesh* sm = srcMesh->GetMeshDS()->MeshElements( *edgeS ))
+ srcNbSeg[ i ] = sm->NbNodes();
+ else
+ return; // not meshed
+ if ( srcNbSeg[0] == srcNbSeg[2] && srcNbSeg[1] == srcNbSeg[3] )
+ return; // same nb segments
+ if ( srcNbSeg[0] != srcNbSeg[2] && srcNbSeg[1] != srcNbSeg[3] )
+ return; // all different nb segments
+
+ edgeS = srcEdges.begin();
+ if ( srcNbSeg[0] != srcNbSeg[2] )
+ ++edgeS;
+ TAssocTool::InsertAssociation( tgtHelper.IthVertex( 0,*edgeT ),
+ tgtHelper.IthVertex( 0,*edgeS ), assocMap );
+ TAssocTool::InsertAssociation( tgtHelper.IthVertex( 1,*edgeT ),
+ tgtHelper.IthVertex( 1,*edgeS ), assocMap );
+ }
//================================================================================
/*!
- * \brief Add in-FACE nodes surrounding a given node to a queue
+ * \brief Find sub-shape association such that corresponding VERTEXes of
+ * two corresponding FACEs lie on lines parallel to thePiercingLine
*/
//================================================================================
- void addCloseNodes( const SMDS_MeshNode* srcNode,
- const BRepMesh_Triangle* bmTria,
- const int srcFaceID,
- TNodeTriaList & noTriQueue )
+ bool findSubShapeAssociationByPiercing( const TopoDS_Face& theTgtFace,
+ SMESH_Mesh * /*theTgtMesh*/,
+ const TopoDS_Shape& theSrcShape,
+ SMESH_Mesh* theSrcMesh,
+ TAssocTool::TShapeShapeMap& theShape2ShapeMap,
+ Handle(Geom_Line) & thePiercingLine )
{
- // find in-FACE nodes
- SMDS_ElemIteratorPtr elems = srcNode->GetInverseElementIterator(SMDSAbs_Face);
- while ( elems->more() )
+ list< TopoDS_Edge > tgtEdges, srcEdges;
+ list< int > tgtNbEW, srcNbEW;
+ int tgtNbW = SMESH_Block::GetOrderedEdges( TopoDS::Face( theTgtFace ), tgtEdges, tgtNbEW );
+
+ TopTools_IndexedMapOfShape tgtVV, srcVV;
+ for ( const TopoDS_Edge& tgtEdge : tgtEdges )
+ tgtVV.Add( SMESH_MesherHelper::IthVertex( 0, tgtEdge ));
+ // if ( tgtVV.Size() < 2 )
+ // return false;
+
+ const int nbVV = tgtVV.Size();
+ const gp_Pnt tgtP0 = BRep_Tool::Pnt( TopoDS::Vertex( tgtVV( 1 )));
+ double minVertexDist = Precision::Infinite(), assocTol;
+ gp_Lin piercingLine;
+ TopoDS_Face assocSrcFace;
+ double tol;
+
+ for ( TopExp_Explorer faceExp( theSrcShape, TopAbs_FACE ); faceExp.More(); faceExp.Next())
{
- const SMDS_MeshElement* elem = elems->next();
- if ( elem->getshapeId() == srcFaceID )
+ const TopoDS_Face& srcFace = TopoDS::Face( faceExp.Current() );
+
+ int srcNbW = SMESH_Block::GetOrderedEdges( srcFace, srcEdges, srcNbEW );
+ if ( tgtNbW != srcNbW )
+ continue;
+
+ srcVV.Clear( false );
+ for ( const TopoDS_Edge& srcEdge : srcEdges )
+ srcVV.Add( SMESH_MesherHelper::IthVertex( 0, srcEdge ));
+ if ( srcVV.Extent() != tgtVV.Extent() )
+ continue;
+
+ // make srcFace computed
+ SMESH_subMesh* srcFaceSM = theSrcMesh->GetSubMesh( srcFace );
+ if ( !TAssocTool::MakeComputed( srcFaceSM ))
+ continue;
+
+ // compute tolerance
+ double sumLen = 0, nbEdges = 0;
+ for ( const TopoDS_Edge& srcEdge : srcEdges )
{
- for ( int i = 0, nb = elem->NbNodes(); i < nb; ++i )
+ SMESH_subMesh* srcSM = theSrcMesh->GetSubMesh( srcEdge );
+ if ( !srcSM->GetSubMeshDS() )
+ continue;
+ SMDS_ElemIteratorPtr edgeIt = srcSM->GetSubMeshDS()->GetElements();
+ while ( edgeIt->more() )
{
- const SMDS_MeshNode* n = elem->GetNode( i );
- if ( !n->isMarked() )
- noTriQueue.push_back( make_pair( n, bmTria ));
+ const SMDS_MeshElement* edge = edgeIt->next();
+ sumLen += SMESH_NodeXYZ( edge->GetNode( 0 )).Distance( edge->GetNode( 1 ));
+ nbEdges += 1;
}
}
- }
- }
+ if ( nbEdges == 0 )
+ continue;
- //================================================================================
- /*!
- * \brief Find a delauney triangle containing a given 2D point and return
- * barycentric coordinates within the found triangle
- */
- //================================================================================
+ tol = 0.1 * sumLen / nbEdges;
- const BRepMesh_Triangle* findTriangle( const gp_XY& uv,
- const BRepMesh_Triangle* bmTria,
- Handle(BRepMesh_DataStructureOfDelaun)& triaDS,
- double bc[3] )
- {
- int nodeIDs[3];
- gp_XY nodeUVs[3];
- int linkIDs[3];
- Standard_Boolean ori[3];
+ // try to find corresponding VERTEXes
- while ( bmTria )
- {
- // check bmTria
+ gp_Lin line;
+ double vertexDist;
+ for ( int iSrcV0 = 1; iSrcV0 <= srcVV.Size(); ++iSrcV0 )
+ {
+ const gp_Pnt srcP0 = BRep_Tool::Pnt( TopoDS::Vertex( srcVV( iSrcV0 )));
+ try {
+ line.SetDirection( gp_Vec( srcP0, tgtP0 ));
+ }
+ catch (...) {
+ continue;
+ }
+ bool correspond;
+ for ( int iDir : { -1, 1 }) // move connected VERTEX forward and backward
+ {
+ correspond = true;
+ vertexDist = 0;
+ int iTgtV = 0, iSrcV = iSrcV0 - 1;
+ for ( int i = 1; i < tgtVV.Size() && correspond; ++i )
+ {
+ iTgtV = ( iTgtV + 1 ) % nbVV;
+ iSrcV = ( iSrcV + iDir + nbVV ) % nbVV;
+ gp_Pnt tgtP = BRep_Tool::Pnt( TopoDS::Vertex( tgtVV( iTgtV + 1 )));
+ gp_Pnt srcP = BRep_Tool::Pnt( TopoDS::Vertex( srcVV( iSrcV + 1 )));
+ line.SetLocation( tgtP );
+ correspond = ( line.SquareDistance( srcP ) < tol * tol );
+ vertexDist += tgtP.SquareDistance( srcP );
+ }
+ if ( correspond )
+ break;
+ }
+ if ( correspond )
+ {
+ if ( vertexDist < minVertexDist )
+ {
+ minVertexDist = vertexDist;
+ piercingLine = line;
+ assocSrcFace = srcFace;
+ assocTol = tol;
+ }
+ break;
+ }
+ }
+ continue;
+
+ } // loop on src FACEs
+
+ if ( Precision::IsInfinite( minVertexDist ))
+ return false; // no correspondence found
+
+ thePiercingLine = new Geom_Line( piercingLine );
+
+ // fill theShape2ShapeMap
- triaDS->ElementNodes( *bmTria, nodeIDs );
- nodeUVs[0] = triaDS->GetNode( nodeIDs[0] ).Coord();
- nodeUVs[1] = triaDS->GetNode( nodeIDs[1] ).Coord();
- nodeUVs[2] = triaDS->GetNode( nodeIDs[2] ).Coord();
+ TAssocTool::InsertAssociation( theTgtFace, assocSrcFace, theShape2ShapeMap );
- SMESH_MeshAlgos::GetBarycentricCoords( uv,
- nodeUVs[0], nodeUVs[1], nodeUVs[2],
- bc[0], bc[1] );
- if ( bc[0] >= 0 && bc[1] >= 0 && bc[0] + bc[1] <= 1 )
+ for ( const TopoDS_Shape& tgtV : tgtVV ) // fill theShape2ShapeMap with VERTEXes
+ {
+ gp_Pnt tgtP = BRep_Tool::Pnt( TopoDS::Vertex( tgtV ));
+ piercingLine.SetLocation( tgtP );
+ bool found = false;
+ for ( const TopoDS_Shape& srcV : srcVV )
{
- bc[2] = 1 - bc[0] - bc[1];
- return bmTria;
+ gp_Pnt srcP = BRep_Tool::Pnt( TopoDS::Vertex( srcV ));
+ if ( piercingLine.SquareDistance( srcP ) < assocTol * assocTol )
+ {
+ TAssocTool::InsertAssociation( tgtV, srcV, theShape2ShapeMap );
+ found = true;
+ break;
+ }
}
+ if ( !found )
+ return false;
+ }
- // look for a neighbor triangle, which is adjacent to a link intersected
- // by a segment( triangle center -> uv )
+ TopoDS_Vertex vvT[2], vvS[2], vvMapped[2];
+ for ( const TopoDS_Edge& tgtEdge : tgtEdges ) // fill theShape2ShapeMap with EDGEs
+ {
+ if ( SMESH_Algo::isDegenerated( tgtEdge ))
+ continue;
- gp_XY gc = ( nodeUVs[0] + nodeUVs[1] + nodeUVs[2] ) / 3.;
- gp_XY seg = uv - gc;
+ TopExp::Vertices( tgtEdge, vvT[0], vvT[1], true );
+ if ( !theShape2ShapeMap.IsBound( vvT[0] ) ||
+ !theShape2ShapeMap.IsBound( vvT[1] ))
+ return false;
- bmTria->Edges( linkIDs, ori );
- int triaID = triaDS->IndexOf( *bmTria );
- bmTria = 0;
+ vvMapped[0] = TopoDS::Vertex( theShape2ShapeMap( vvT[0] ));
+ vvMapped[1] = TopoDS::Vertex( theShape2ShapeMap( vvT[1] ));
- for ( int i = 0; i < 3; ++i )
+ bool found = false;
+ for ( TopExp_Explorer eExp( assocSrcFace, TopAbs_EDGE ); eExp.More(); eExp.Next())
{
- const BRepMesh_PairOfIndex & triIDs = triaDS->ElementsConnectedTo( linkIDs[i] );
- if ( triIDs.Extent() < 2 )
- continue; // no neighbor triangle
-
- // check if a link intersects gc2uv
- const BRepMesh_Edge & link = triaDS->GetLink( linkIDs[i] );
- const BRepMesh_Vertex & n1 = triaDS->GetNode( link.FirstNode() );
- const BRepMesh_Vertex & n2 = triaDS->GetNode( link.LastNode() );
- gp_XY uv1 = n1.Coord();
- gp_XY lin = n2.Coord() - uv1; // link direction
-
- double crossSegLin = seg ^ lin;
- if ( Abs( crossSegLin ) < std::numeric_limits<double>::min() )
- continue; // parallel
-
- double uSeg = ( uv1 - gc ) ^ lin / crossSegLin;
- if ( 0. <= uSeg && uSeg <= 1. )
+ TopoDS_Edge srcEdge = TopoDS::Edge( eExp.Current() );
+ TopExp::Vertices( srcEdge, vvS[0], vvS[1], true );
+ found = (( vvMapped[0].IsSame( vvS[0] ) && vvMapped[1].IsSame( vvS[1] )) ||
+ ( vvMapped[0].IsSame( vvS[1] ) && vvMapped[1].IsSame( vvS[0] )));
+
+ if ( found && nbVV < 3 )
{
- bmTria = & triaDS->GetElement( triIDs.Index( 1 + ( triIDs.Index(1) == triaID )));
+ BRepAdaptor_Curve tgtCurve( tgtEdge );
+ gp_Pnt tgtP = tgtCurve.Value( 0.5 * ( tgtCurve.FirstParameter() +
+ tgtCurve.LastParameter() ));
+ thePiercingLine->SetLocation( tgtP );
+
+ double f,l;
+ Handle(Geom_Curve) srcCurve = BRep_Tool::Curve( srcEdge, f,l );
+ if ( srcCurve.IsNull() )
+ {
+ found = false;
+ continue;
+ }
+ GeomAPI_ExtremaCurveCurve extrema( thePiercingLine, srcCurve );
+ if ( !extrema.Extrema().IsDone() ||
+ extrema.Extrema().IsParallel() ||
+ extrema.NbExtrema() == 0 ||
+ extrema.LowerDistance() > tol )
+ found = false;
+ }
+ if ( found )
+ {
+ if ( !vvMapped[0].IsSame( vvS[0] ))
+ srcEdge.Reverse();
+ TAssocTool::InsertAssociation( tgtEdge, srcEdge, theShape2ShapeMap );
break;
}
}
+ if ( !found )
+ return false;
}
- return bmTria;
- }
- //================================================================================
+ return true;
+
+ } // findSubShapeAssociationByPiercing()
+
+ //================================================================================
/*!
- * \brief Morph mesh on the target face to lie within FACE boundary w/o distortion
- *
- * algo:
- * - make a CDT on the src FACE
- * - find a triangle containing a src node and get its barycentric coordinates
- * - move the node to a point with the same barycentric coordinates in a corresponding
- * tgt triangle
+ * \brief Project by piercing theTgtFace by lines parallel to thePiercingLine
*/
//================================================================================
- bool morph( SMESH_MesherHelper& tgtHelper,
- const TopoDS_Face& tgtFace,
- const TopoDS_Face& srcFace,
- const TSideVector& tgtWires,
- const TSideVector& srcWires,
- const TAssocTool::TNodeNodeMap& src2tgtNodes )
+ bool projectByPiercing(Handle(Geom_Line) thePiercingLine,
+ const TopoDS_Face& theTgtFace,
+ const TopoDS_Face& theSrcFace,
+ const TSideVector& theTgtWires,
+ const TSideVector& theSrcWires,
+ const TAssocTool::TShapeShapeMap& theShape2ShapeMap,
+ TAssocTool::TNodeNodeMap& theSrc2tgtNodes,
+ const bool theIs1DComputed)
{
- if ( srcWires.size() != tgtWires.size() ) return false;
- if ( srcWires.size() == 1 ) return false; // tmp
-
- // count boundary points
- int iP = 1, nbP = 0;
- for ( size_t iW = 0; iW < srcWires.size(); ++iW )
- nbP += srcWires[iW]->NbPoints() - 1; // 1st and last points coincide
+ SMESH_Mesh * tgtMesh = theTgtWires[0]->GetMesh();
+ SMESH_Mesh * srcMesh = theSrcWires[0]->GetMesh();
- // fill boundary points
- BRepMesh::Array1OfVertexOfDelaun srcVert( 1, 1 + nbP ), tgtVert( 1, 1 + nbP );
- vector< const SMDS_MeshNode* > bndSrcNodes( nbP + 1 ); bndSrcNodes[0] = 0;
- BRepMesh_Vertex v( 0, 0, BRepMesh_Frontier );
- for ( size_t iW = 0; iW < srcWires.size(); ++iW )
+ if ( thePiercingLine.IsNull() )
{
- const UVPtStructVec& srcPnt = srcWires[iW]->GetUVPtStruct();
- const UVPtStructVec& tgtPnt = tgtWires[iW]->GetUVPtStruct();
- if ( srcPnt.size() != tgtPnt.size() ) return false;
+ // try to set thePiercingLine by VERTEX association of theShape2ShapeMap
- for ( int i = 0, nb = srcPnt.size() - 1; i < nb; ++i, ++iP )
- {
- bndSrcNodes[ iP ] = srcPnt[i].node;
- srcPnt[i].node->setIsMarked( true );
+ const double tol = 0.1 * theSrcWires[0]->Length() / theSrcWires[0]->NbSegments();
- v.ChangeCoord() = srcPnt[i].UV();
- srcVert( iP ) = v;
- v.ChangeCoord() = tgtPnt[i].UV();
- tgtVert( iP ) = v;
+ for ( TopExp_Explorer vExp( theTgtFace, TopAbs_VERTEX ); vExp.More(); vExp.Next() )
+ {
+ const TopoDS_Vertex & tgtV = TopoDS::Vertex( vExp.Current() );
+ const TopoDS_Vertex & srcV = TopoDS::Vertex( theShape2ShapeMap( tgtV ));
+ gp_Pnt tgtP = BRep_Tool::Pnt( tgtV );
+ gp_Pnt srcP = BRep_Tool::Pnt( srcV );
+ if ( thePiercingLine.IsNull() ) // set thePiercingLine
+ {
+ gp_Lin line;
+ try {
+ line.SetDirection( gp_Vec( srcP, tgtP ));
+ line.SetLocation( tgtP );
+ thePiercingLine = new Geom_Line( line );
+ }
+ catch ( ... )
+ {
+ continue;
+ }
+ }
+ else // check thePiercingLine
+ {
+ thePiercingLine->SetLocation( tgtP );
+ if ( thePiercingLine->Lin().SquareDistance( srcP ) > tol * tol )
+ return false;
+ }
}
- }
- // triangulate the srcFace in 2D
- BRepMesh_Delaun delauney( srcVert );
- Handle(BRepMesh_DataStructureOfDelaun) triaDS = delauney.Result();
-
- Handle(ShapeAnalysis_Surface) tgtSurface = tgtHelper.GetSurface( tgtFace );
- SMESHDS_Mesh* srcMesh = srcWires[0]->GetMesh()->GetMeshDS();
- SMESHDS_Mesh* tgtMesh = tgtHelper.GetMeshDS();
- const SMDS_MeshNode *srcNode, *tgtNode;
- const BRepMesh_Triangle *bmTria;
-
- // un-mark internal src nodes; later we will mark moved nodes
- SMDS_NodeIteratorPtr nIt = srcMesh->MeshElements( srcFace )->GetNodes();
- if ( !nIt || !nIt->more() ) return true;
- while ( nIt->more() )
- ( srcNode = nIt->next() )->setIsMarked( false );
-
- // initialize a queue of nodes with starting triangles
- const int srcFaceID = srcNode->getshapeId();
- TNodeTriaList noTriQueue;
- size_t iBndSrcN = 1;
- for ( ; iBndSrcN < bndSrcNodes.size() && noTriQueue.empty(); ++iBndSrcN )
- {
- // get a triangle
- const BRepMesh::ListOfInteger & linkIds = triaDS->LinksConnectedTo( iBndSrcN );
- const BRepMesh_PairOfIndex & triaIds = triaDS->ElementsConnectedTo( linkIds.First() );
- const BRepMesh_Triangle& tria = triaDS->GetElement( triaIds.Index(1) );
- addCloseNodes( bndSrcNodes[ iBndSrcN ], &tria, srcFaceID, noTriQueue );
- }
-
- // Move tgt nodes
+ for ( TopExp_Explorer eExp( theTgtFace, TopAbs_EDGE ); eExp.More(); eExp.Next() )
+ {
+ BRepAdaptor_Curve tgtCurve( TopoDS::Edge( eExp.Current() ));
+ gp_Pnt tgtP = tgtCurve.Value( 0.5 * ( tgtCurve.FirstParameter() +
+ tgtCurve.LastParameter() ));
+ thePiercingLine->SetLocation( tgtP );
+
+ double f,l;
+ TopoDS_Edge srcEdge = TopoDS::Edge( theShape2ShapeMap( eExp.Current() ));
+ Handle(Geom_Curve) srcCurve = BRep_Tool::Curve( srcEdge, f,l );
+ if ( srcCurve.IsNull() )
+ continue;
+ GeomAPI_ExtremaCurveCurve extrema( thePiercingLine, srcCurve,
+ -Precision::Infinite(), Precision::Infinite(), f, l );
+ if ( !extrema.Extrema().IsDone() ||
+ extrema.Extrema().IsParallel() ||
+ extrema.NbExtrema() == 0 ||
+ extrema.LowerDistance() > tol )
+ return false;
+ }
+ } // if ( thePiercingLine.IsNull() )
- double bc[3]; // barycentric coordinates
- int nodeIDs[3];
- bool checkUV = true;
- const SMDS_FacePosition* pos;
+ SMESHDS_SubMesh* srcSubDS = srcMesh->GetMeshDS()->MeshElements( theSrcFace );
- while ( !noTriQueue.empty() )
- {
- srcNode = noTriQueue.front().first;
- bmTria = noTriQueue.front().second;
- noTriQueue.pop_front();
- if ( srcNode->isMarked() )
- continue;
- srcNode->setIsMarked( true );
+ SMESH_MesherHelper* helper = theTgtWires[0]->FaceHelper();
+ if ( theIs1DComputed )
+ helper->IsQuadraticSubMesh( theTgtFace );
+ else
+ helper->SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() );
+ helper->SetElementsOnShape( true );
+ SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS();
- // find a delauney triangle containing the src node
- gp_XY uv = tgtHelper.GetNodeUV( srcFace, srcNode, NULL, &checkUV );
- bmTria = findTriangle( uv, bmTria, triaDS, bc );
- if ( !bmTria )
- continue;
+ Handle(Geom_Surface) tgtSurface = BRep_Tool::Surface( theTgtFace );
+ Handle(GeomAdaptor_HSurface) tgtSurfAdaptor = new GeomAdaptor_HSurface( tgtSurface );
+ Handle(GeomAdaptor_HCurve) piercingCurve = new GeomAdaptor_HCurve( thePiercingLine );
+ IntCurveSurface_HInter intersect;
- // compute new coordinates for a corresponding tgt node
- gp_XY uvNew( 0., 0. ), nodeUV;
- triaDS->ElementNodes( *bmTria, nodeIDs );
- for ( int i = 0; i < 3; ++i )
- uvNew += bc[i] * tgtVert( nodeIDs[i]).Coord();
- gp_Pnt xyz = tgtSurface->Value( uvNew );
+ SMESH_MesherHelper* srcHelper = theSrcWires[0]->FaceHelper();
- // find and move tgt node
- TAssocTool::TNodeNodeMap::const_iterator n2n = src2tgtNodes.find( srcNode );
- if ( n2n == src2tgtNodes.end() ) continue;
- tgtNode = n2n->second;
- tgtMesh->MoveNode( tgtNode, xyz.X(), xyz.Y(), xyz.Z() );
+ const SMDS_MeshNode* nullNode = 0;
+ TAssocTool::TNodeNodeMap::iterator srcN_tgtN;
+ vector< const SMDS_MeshNode* > tgtNodes;
- if (( pos = dynamic_cast< const SMDS_FacePosition* >( tgtNode->GetPosition() )))
- const_cast<SMDS_FacePosition*>( pos )->SetParameters( uvNew.X(), uvNew.Y() );
+ SMDS_ElemIteratorPtr elemIt = srcSubDS->GetElements();
+ while ( elemIt->more() ) // loop on all mesh faces on srcFace
+ {
+ const SMDS_MeshElement* elem = elemIt->next();
+ const int nbN = elem->NbCornerNodes();
+ tgtNodes.resize( nbN );
+ for ( int i = 0; i < nbN; ++i ) // loop on nodes of the source element
+ {
+ const SMDS_MeshNode* srcNode = elem->GetNode(i);
+ srcN_tgtN = theSrc2tgtNodes.insert( make_pair( srcNode, nullNode )).first;
+ if ( srcN_tgtN->second == nullNode )
+ {
+ // create a new node
+ thePiercingLine->SetLocation( SMESH_NodeXYZ( srcNode ));
+ intersect.Perform( piercingCurve, tgtSurfAdaptor );
+ bool pierced = ( intersect.IsDone() && intersect.NbPoints() > 0 );
+ double U, V;
+ const SMDS_MeshNode* n = nullNode;
+ if ( pierced )
+ {
+ double W, minW = Precision::Infinite();
+ gp_Pnt tgtP;
+ for ( int iInt = 1; iInt <= intersect.NbPoints(); ++iInt )
+ {
+ W = intersect.Point( iInt ).W();
+ if ( 0 < W && W < minW )
+ {
+ U = intersect.Point( iInt ).U();
+ V = intersect.Point( iInt ).V();
+ tgtP = intersect.Point( iInt ).Pnt();
+ minW = W;
+ }
+ }
+ n = tgtMeshDS->AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() );
+ }
- addCloseNodes( srcNode, bmTria, srcFaceID, noTriQueue );
+ SMDS_TypeOfPosition shapeType = srcNode->GetPosition()->GetTypeOfPosition();
+ TopoDS_Shape srcShape;
+ if ( shapeType != SMDS_TOP_FACE )
+ {
+ srcShape = srcHelper->GetSubShapeByNode( srcNode, srcHelper->GetMeshDS() );
+ if ( !theShape2ShapeMap.IsBound( srcShape, /*isSrc=*/true ))
+ {
+ if ( n ) // INTERNAL shape w/o corresponding target shape (3D_mesh_Extrusion_02/E0)
+ shapeType = SMDS_TOP_FACE;
+ else
+ return false;
+ }
+ }
- // assure that all src nodes are visited
- for ( ; iBndSrcN < bndSrcNodes.size() && noTriQueue.empty(); ++iBndSrcN )
+ switch ( shapeType )
+ {
+ case SMDS_TOP_FACE: {
+ if ( !n )
+ return false;
+ tgtMeshDS->SetNodeOnFace( n, helper->GetSubShapeID(), U, V );
+ break;
+ }
+ case SMDS_TOP_EDGE: {
+ TopoDS_Edge tgtEdge = TopoDS::Edge( theShape2ShapeMap( srcShape, /*isSrc=*/true ));
+ if ( n )
+ {
+ U = Precision::Infinite();
+ helper->CheckNodeU( tgtEdge, n, U, Precision::PConfusion());
+ }
+ else
+ {
+ Handle(Geom_Curve) tgtCurve = BRep_Tool::Curve( tgtEdge, U,V );
+ if ( tgtCurve.IsNull() )
+ return false;
+ GeomAPI_ExtremaCurveCurve extrema( thePiercingLine, tgtCurve );
+ if ( !extrema.Extrema().IsDone() ||
+ extrema.Extrema().IsParallel() ||
+ extrema.NbExtrema() == 0 )
+ return false;
+ gp_Pnt pOnLine, pOnEdge;
+ extrema.NearestPoints( pOnLine, pOnEdge );
+ extrema.LowerDistanceParameters( V, U );
+ n = tgtMeshDS->AddNode( pOnEdge.X(), pOnEdge.Y(), pOnEdge.Z() );
+ }
+ tgtMeshDS->SetNodeOnEdge( n, tgtEdge, U );
+ break;
+ }
+ case SMDS_TOP_VERTEX: {
+ TopoDS_Shape tgtV = theShape2ShapeMap( srcShape, /*isSrc=*/true );
+ if ( !n )
+ {
+ gp_Pnt tgtP = BRep_Tool::Pnt( TopoDS::Vertex( tgtV ));
+ n = tgtMeshDS->AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() );
+ }
+ tgtMeshDS->SetNodeOnVertex( n, TopoDS::Vertex( tgtV ));
+ break;
+ }
+ default:;
+ }
+ srcN_tgtN->second = n;
+ }
+ tgtNodes[i] = srcN_tgtN->second;
+ }
+ // create a new face (with reversed orientation)
+ switch ( nbN )
{
- const BRepMesh::ListOfInteger & linkIds = triaDS->LinksConnectedTo( iBndSrcN );
- const BRepMesh_PairOfIndex & triaIds = triaDS->ElementsConnectedTo( linkIds.First() );
- const BRepMesh_Triangle& tria = triaDS->GetElement( triaIds.Index(1) );
- addCloseNodes( bndSrcNodes[ iBndSrcN ], &tria, srcFaceID, noTriQueue );
+ case 3: helper->AddFace(tgtNodes[0], tgtNodes[2], tgtNodes[1]); break;
+ case 4: helper->AddFace(tgtNodes[0], tgtNodes[3], tgtNodes[2], tgtNodes[1]); break;
}
- }
+ } // loop on all mesh faces on srcFace
return true;
- }
- //=======================================================================
- /*
- * Set initial association of VERTEXes for the case of projection
- * from a quadrangle FACE to a closed FACE, where opposite src EDGEs
- * have different nb of segments
- */
- //=======================================================================
-
- void initAssoc4Quad2Closed(const TopoDS_Shape& tgtFace,
- SMESH_MesherHelper& tgtHelper,
- const TopoDS_Shape& srcFace,
- SMESH_Mesh* srcMesh,
- TAssocTool::TShapeShapeMap & assocMap)
- {
- if ( !tgtHelper.HasRealSeam() || srcFace.ShapeType() != TopAbs_FACE )
- return; // no seam edge
- list< TopoDS_Edge > tgtEdges, srcEdges;
- list< int > tgtNbEW, srcNbEW;
- int tgtNbW = SMESH_Block::GetOrderedEdges( TopoDS::Face( tgtFace ), tgtEdges, tgtNbEW );
- int srcNbW = SMESH_Block::GetOrderedEdges( TopoDS::Face( srcFace ), srcEdges, srcNbEW );
- if ( tgtNbW != 1 || srcNbW != 1 ||
- tgtNbEW.front() != 4 || srcNbEW.front() != 4 )
- return; // not quads
+ } // projectByPiercing()
- int srcNbSeg[4];
- list< TopoDS_Edge >::iterator edgeS = srcEdges.begin(), edgeT = tgtEdges.begin();
- for ( int i = 0; edgeS != srcEdges.end(); ++i, ++edgeS )
- if ( SMESHDS_SubMesh* sm = srcMesh->GetMeshDS()->MeshElements( *edgeS ))
- srcNbSeg[ i ] = sm->NbNodes();
- else
- return; // not meshed
- if ( srcNbSeg[0] == srcNbSeg[2] && srcNbSeg[1] == srcNbSeg[3] )
- return; // same nb segments
- if ( srcNbSeg[0] != srcNbSeg[2] && srcNbSeg[1] != srcNbSeg[3] )
- return; // all different nb segments
- edgeS = srcEdges.begin();
- if ( srcNbSeg[0] != srcNbSeg[2] )
- ++edgeS;
- TAssocTool::InsertAssociation( tgtHelper.IthVertex( 0,*edgeT ),
- tgtHelper.IthVertex( 0,*edgeS ), assocMap );
- TAssocTool::InsertAssociation( tgtHelper.IthVertex( 1,*edgeT ),
- tgtHelper.IthVertex( 1,*edgeS ), assocMap );
- }
} // namespace
TAssocTool::InitVertexAssociation( _sourceHypo, shape2ShapeMap );
if ( shape2ShapeMap.IsEmpty() )
initAssoc4Quad2Closed( tgtFace, helper, srcShape, srcMesh, shape2ShapeMap );
+
+ Handle(Geom_Line) piercingLine;
+ bool piercingTried = false;
+
if ( !TAssocTool::FindSubShapeAssociation( tgtFace, tgtMesh, srcShape, srcMesh,
shape2ShapeMap) ||
!shape2ShapeMap.IsBound( tgtFace ))
{
- if ( srcShape.ShapeType() == TopAbs_FACE )
+ piercingTried = true;
+ if ( !findSubShapeAssociationByPiercing( tgtFace, tgtMesh, srcShape, srcMesh,
+ shape2ShapeMap, piercingLine ))
{
- int nbE1 = helper.Count( tgtFace, TopAbs_EDGE, /*ignoreSame=*/true );
- int nbE2 = helper.Count( srcShape, TopAbs_EDGE, /*ignoreSame=*/true );
- if ( nbE1 != nbE2 )
- return error(COMPERR_BAD_SHAPE,
- SMESH_Comment("Different number of edges in source and target faces: ")
- << nbE2 << " and " << nbE1 );
+ if ( srcShape.ShapeType() == TopAbs_FACE )
+ {
+ int nbE1 = helper.Count( tgtFace, TopAbs_EDGE, /*ignoreSame=*/true );
+ int nbE2 = helper.Count( srcShape, TopAbs_EDGE, /*ignoreSame=*/true );
+ if ( nbE1 != nbE2 )
+ return error(COMPERR_BAD_SHAPE,
+ SMESH_Comment("Different number of edges in source and target faces: ")
+ << nbE2 << " and " << nbE1 );
+ }
+ return error(COMPERR_BAD_SHAPE,"Topology of source and target faces seems different" );
}
- return error(COMPERR_BAD_SHAPE,"Topology of source and target faces seems different" );
}
TopoDS_Face srcFace = TopoDS::Face( shape2ShapeMap( tgtFace ).Oriented(TopAbs_FORWARD));
// get ordered src and tgt EDGEs
TSideVector srcWires, tgtWires;
bool is1DComputed = false; // if any tgt EDGE is meshed
- TError err = getWires( tgtFace, srcFace, tgtMesh, srcMesh,
+ TError err = getWires( tgtFace, srcFace, tgtMesh, srcMesh, &helper,
shape2ShapeMap, srcWires, tgtWires, _src2tgtNodes, is1DComputed );
if ( err && !err->IsOK() )
return error( err );
bool projDone = false;
+ if ( !projDone && !piercingLine.IsNull() )
+ {
+ // project by piercing tgtFace by lines parallel to piercingLine
+ projDone = projectByPiercing( piercingLine, tgtFace, srcFace, tgtWires, srcWires,
+ shape2ShapeMap, _src2tgtNodes, is1DComputed );
+ piercingTried = true;
+ }
if ( !projDone )
{
// try to project from the same face with different location
projDone = projectQuads( tgtFace, srcFace, tgtWires, srcWires,
shape2ShapeMap, _src2tgtNodes, is1DComputed);
}
+ if ( !projDone && !piercingTried )
+ {
+ // project by piercing tgtFace by lines parallel to piercingLine
+ projDone = projectByPiercing( piercingLine, tgtFace, srcFace, tgtWires, srcWires,
+ shape2ShapeMap, _src2tgtNodes, is1DComputed );
+ }
// it will remove mesh built on edges and vertices in failure case
MeshCleaner cleaner( tgtSubMesh );
{
_src2tgtNodes.clear();
// --------------------
- // Prepare to mapping
+ // Prepare to mapping
// --------------------
// Check if node projection to a face is needed
TopoDS_Edge srcE1 = srcEdges.front(), tgtE1 = tgtEdges.front();
TopoDS_Shape srcE1bis = shape2ShapeMap( tgtE1 );
reverse = ( ! srcE1.IsSame( srcE1bis ));
- if ( reverse &&
- //_sourceHypo->HasVertexAssociation() &&
+ if ( ( reverse || srcE1.Orientation() != srcE1bis.Orientation() ) &&
nbEdgesInWires.front() > 2 &&
helper.IsRealSeam( tgtEdges.front() ))
{
+ if ( srcE1.Orientation() != srcE1bis.Orientation() )
+ reverse = true;
// projection to a face with seam EDGE; pb is that GetOrderedEdges()
// always puts a seam EDGE first (if possible) and as a result
// we can't use only theReverse flag to correctly associate source
// mapper changed, no more "mapper puts on a seam edge nodes from 2 edges"
if ( isSeam && ! getBoundaryNodes ( sm, tgtFace, u2nodesOnSeam, seamNodes ))
- ;//RETURN_BAD_RESULT("getBoundaryNodes() failed");
+ {
+ //RETURN_BAD_RESULT("getBoundaryNodes() failed");
+ }
SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
while ( nIt->more() )
break;
}
case SMDS_TOP_EDGE: {
- const SMDS_EdgePosition* pos =
- static_cast<const SMDS_EdgePosition*>(node->GetPosition());
+ SMDS_EdgePositionPtr pos = node->GetPosition();
pos2nodes.insert( make_pair( pos->GetUParameter(), node ));
break;
}
if ( u2nodesMaps[ NEW_NODES ].size() > 0 &&
u2nodesMaps[ OLD_NODES ].size() > 0 )
{
- u_oldNode = u2nodesMaps[ OLD_NODES ].begin();
+ u_oldNode = u2nodesMaps[ OLD_NODES ].begin();
newEnd = u2nodesMaps[ OLD_NODES ].end();
for ( ; u_oldNode != newEnd; ++u_oldNode )
SMESH_Algo::addBadInputElement( u_oldNode->second );
// Make groups of nodes to merge
- u_oldNode = u2nodesMaps[ OLD_NODES ].begin();
+ u_oldNode = u2nodesMaps[ OLD_NODES ].begin();
u_newNode = u2nodesMaps[ NEW_NODES ].begin();
newEnd = u2nodesMaps[ NEW_NODES ].end();
u_newOnSeam = u2nodesOnSeam.begin();
if ( !projDone || is1DComputed )
// ----------------------------------------------------------------
// The mapper can create distorted faces by placing nodes out of the FACE
- // boundary, also bad face can be created if EDGEs already discretized
+ // boundary, also bad faces can be created if EDGEs already discretized
// --> fix bad faces by smoothing
// ----------------------------------------------------------------
- if ( helper.IsDistorted2D( tgtSubMesh, /*checkUV=*/false ))
+ if ( helper.IsDistorted2D( tgtSubMesh, /*checkUV=*/false, &helper ))
{
- morph( helper, tgtFace, srcFace, tgtWires, srcWires, _src2tgtNodes );
+ TAssocTool::Morph morph( srcWires );
+ morph.Perform( helper, tgtWires, helper.GetSurface( tgtFace ),
+ _src2tgtNodes, /*moveAll=*/true );
if ( !fixDistortedFaces( helper, tgtWires ))
return error("Invalid mesh generated");
//=======================================================================
//function : Evaluate
-//purpose :
+//purpose :
//=======================================================================
bool StdMeshers_Projection_2D::Evaluate(SMESH_Mesh& theMesh,