#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopoDS.hxx>
+#include <TopoDS_Solid.hxx>
#include <gp_Ax2.hxx>
#include <gp_Ax3.hxx>
#include <gp_GTrsf.hxx>
// transformation to get location of target nodes from source ones
StdMeshers_ProjectionUtils::TrsfFinder3D trsf;
- bool trsfIsOK = true;
+ bool trsfIsOK = false;
if ( tgtFace.IsPartner( srcFace ))
{
gp_GTrsf srcTrsf = srcFace.Location().Transformation();
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;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Preform 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)
+ {
+ SMESH_Mesh * tgtMesh = tgtWires[0]->GetMesh();
+ SMESH_Mesh * srcMesh = srcWires[0]->GetMesh();
+ SMESHDS_Mesh * tgtMeshDS = tgtMesh->GetMeshDS();
+ SMESHDS_Mesh * srcMeshDS = srcMesh->GetMeshDS();
+
+ if ( srcWires[0]->NbEdges() != 4 )
+ return false;
+ if ( !is1DComputed )
+ return false;
+ for ( int iE = 0; iE < 4; ++iE )
+ {
+ SMESHDS_SubMesh* sm = srcMeshDS->MeshElements( srcWires[0]->Edge( iE ));
+ if ( !sm ) return false;
+ if ( sm->NbNodes() + sm->NbElements() == 0 ) return false;
+ }
+ if ( BRepAdaptor_Surface( tgtFace ).GetType() != GeomAbs_Plane )
+ return false;
+ // if ( BRepAdaptor_Surface( tgtFace ).GetType() == GeomAbs_Plane &&
+ // BRepAdaptor_Surface( srcFace ).GetType() == GeomAbs_Plane )
+ // return false; // too easy
+
+ // load EDGEs to SMESH_Block
+
+ SMESH_Block block;
+ TopTools_IndexedMapOfOrientedShape blockSubShapes;
+ {
+ const TopoDS_Solid& box = srcMesh->PseudoShape();
+ TopoDS_Shell shell = TopoDS::Shell( TopExp_Explorer( box, TopAbs_SHELL ).Current() );
+ TopoDS_Vertex v;
+ block.LoadBlockShapes( shell, v, v, blockSubShapes ); // fill all since operator[] is missing
+ }
+ const SMESH_Block::TShapeID srcFaceBID = SMESH_Block::ID_Fxy0;
+ const SMESH_Block::TShapeID tgtFaceBID = SMESH_Block::ID_Fxy1;
+ vector< int > edgeBID;
+ block.GetFaceEdgesIDs( srcFaceBID, edgeBID ); // u0, u1, 0v, 1v
+ blockSubShapes.Substitute( edgeBID[0], srcWires[0]->Edge(0) );
+ blockSubShapes.Substitute( edgeBID[1], srcWires[0]->Edge(2) );
+ blockSubShapes.Substitute( edgeBID[2], srcWires[0]->Edge(3) );
+ blockSubShapes.Substitute( edgeBID[3], srcWires[0]->Edge(1) );
+ block.GetFaceEdgesIDs( tgtFaceBID, edgeBID ); // u0, u1, 0v, 1v
+ blockSubShapes.Substitute( edgeBID[0], tgtWires[0]->Edge(0) );
+ blockSubShapes.Substitute( edgeBID[1], tgtWires[0]->Edge(2) );
+ blockSubShapes.Substitute( edgeBID[2], tgtWires[0]->Edge(3) );
+ blockSubShapes.Substitute( edgeBID[3], tgtWires[0]->Edge(1) );
+ block.LoadFace( srcFace, srcFaceBID, blockSubShapes );
+ block.LoadFace( tgtFace, tgtFaceBID, blockSubShapes );
+
+ // remember connectivity of new faces in terms of ( node-or-XY )
+
+ typedef std::pair< const SMDS_MeshNode*, gp_XYZ > TNodeOrXY; // node-or-XY
+ typedef std::vector< TNodeOrXY* > TFaceConn; // face connectivity
+ std::vector< TFaceConn > newFacesVec; // connectivity of all faces
+ std::map< const SMDS_MeshNode*, TNodeOrXY > srcNode2tgtNXY; // src node -> node-or-XY
+
+ TAssocTool::TNodeNodeMap::iterator srcN_tgtN;
+ std::map< const SMDS_MeshNode*, TNodeOrXY >::iterator srcN_tgtNXY;
+ std::pair< std::map< const SMDS_MeshNode*, TNodeOrXY >::iterator, bool > n2n_isNew;
+ TNodeOrXY nullNXY( (SMDS_MeshNode*)NULL, gp_XYZ(0,0,0) );
+
+ SMESHDS_SubMesh* srcSubDS = srcMeshDS->MeshElements( srcFace );
+ newFacesVec.resize( srcSubDS->NbElements() );
+ int iFaceSrc = 0;
+
+ SMDS_ElemIteratorPtr elemIt = srcSubDS->GetElements();
+ while ( elemIt->more() ) // loop on all mesh faces on srcFace
+ {
+ const SMDS_MeshElement* elem = elemIt->next();
+ TFaceConn& tgtNodes = newFacesVec[ iFaceSrc++ ];
+
+ 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);
+ n2n_isNew = srcNode2tgtNXY.insert( make_pair( srcNode, nullNXY ));
+ TNodeOrXY & tgtNodeOrXY = n2n_isNew.first->second;
+ if ( n2n_isNew.second ) // new src node encounters
+ {
+ srcN_tgtN = src2tgtNodes.find( srcNode );
+ if ( srcN_tgtN != src2tgtNodes.end() )
+ {
+ tgtNodeOrXY.first = srcN_tgtN->second; // tgt node exists
+ }
+ else
+ {
+ // find XY of src node withing the quadrilateral srcFace
+ if ( !block.ComputeParameters( SMESH_TNodeXYZ( srcNode ),
+ tgtNodeOrXY.second, srcFaceBID ))
+ return false;
+ }
+ }
+ tgtNodes[ i ] = & tgtNodeOrXY;
+ }
+ }
+
+ // as all XY are computed, create tgt nodes and faces
+
+ SMESH_MesherHelper helper( *tgtMesh );
+ helper.SetSubShape( tgtFace );
+ if ( is1DComputed )
+ helper.IsQuadraticSubMesh( tgtFace );
+ else
+ helper.SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() );
+ helper.SetElementsOnShape( true );
+ Handle(Geom_Surface) tgtSurface = BRep_Tool::Surface( tgtFace );
+
+ SMESH_MesherHelper srcHelper( *srcMesh );
+ srcHelper.SetSubShape( srcFace );
+
+ vector< const SMDS_MeshNode* > tgtNodes;
+ gp_XY uv;
+
+ for ( size_t iFaceTgt = 0; iFaceTgt < newFacesVec.size(); ++iFaceTgt )
+ {
+ TFaceConn& tgtConn = newFacesVec[ iFaceTgt ];
+ tgtNodes.resize( tgtConn.size() );
+ for ( size_t iN = 0; iN < tgtConn.size(); ++iN )
+ {
+ const SMDS_MeshNode* & tgtN = tgtConn[ iN ]->first;
+ if ( !tgtN ) // create a node
+ {
+ if ( !block.FaceUV( tgtFaceBID, tgtConn[iN]->second, uv ))
+ return false;
+ gp_Pnt p = tgtSurface->Value( uv.X(), uv.Y() );
+ tgtN = helper.AddNode( p.X(), p.Y(), p.Z(), uv.X(), uv.Y() );
+ }
+ tgtNodes[ tgtNodes.size() - iN - 1] = tgtN; // reversed orientation
+ }
+ switch ( tgtNodes.size() )
+ {
+ case 3: helper.AddFace(tgtNodes[0], tgtNodes[1], tgtNodes[2]); break;
+ case 4: helper.AddFace(tgtNodes[0], tgtNodes[1], tgtNodes[2], tgtNodes[3]); break;
+ default:
+ if ( tgtNodes.size() > 4 )
+ helper.AddPolygonalFace( tgtNodes );
+ }
}
return true;
- } // bool projectBy2DSimilarity(...)
+ } // bool projectQuads(...)
//================================================================================
/*!
projDone = projectBy2DSimilarity( tgtFace, srcFace, tgtWires, srcWires,
shape2ShapeMap, _src2tgtNodes, is1DComputed);
}
+ if ( !projDone )
+ {
+ // projection in case of quadrilateral faces
+ // projDone = projectQuads( tgtFace, srcFace, tgtWires, srcWires,
+ // shape2ShapeMap, _src2tgtNodes, is1DComputed);
+ }
helper.SetSubShape( tgtFace );
