-// Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2011 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
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
// SMESH SMESH : implementaion of SMESH idl descriptions
#include "StdMeshers_ProjectionSource2D.hxx"
#include "StdMeshers_ProjectionUtils.hxx"
+#include "StdMeshers_FaceSide.hxx"
+#include "SMDS_EdgePosition.hxx"
+#include "SMDS_FacePosition.hxx"
#include "SMESHDS_Hypothesis.hxx"
#include "SMESHDS_SubMesh.hxx"
#include "SMESH_Block.hxx"
+#include "SMESH_Comment.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_Pattern.hxx"
#include "SMESH_subMesh.hxx"
#include "SMESH_subMeshEventListener.hxx"
-#include "SMESH_Comment.hxx"
-#include "SMDS_EdgePosition.hxx"
#include "utilities.h"
*/
//================================================================================
- bool isOldNode( const SMDS_MeshNode* node )
+ bool isOldNode( const SMDS_MeshNode* node/*, const bool is1DComputed*/ )
{
// old nodes are shared by edges and new ones are shared
// only by faces created by mapper
- SMDS_ElemIteratorPtr invEdge = node->GetInverseElementIterator(SMDSAbs_Edge);
- bool isOld = invEdge->more();
- return isOld;
+ //if ( is1DComputed )
+ {
+ bool isOld = node->NbInverseElements(SMDSAbs_Edge) > 0;
+ return isOld;
+ }
+ // else
+ // {
+ // SMDS_ElemIteratorPtr invFace = node->GetInverseElementIterator(SMDSAbs_Face);
+ // bool isNew = invFace->more();
+ // return !isNew;
+ // }
}
//================================================================================
void Release() { sm = 0; } // mesh will not be removed
static void Clean( SMESH_subMesh* sm, bool withSub=true )
{
- if ( !sm ) return;
+ if ( !sm || !sm->GetSubMeshDS() ) return;
// PAL16567, 18920. Remove face nodes as well
// switch ( sm->GetSubShape().ShapeType() ) {
// case TopAbs_VERTEX:
/*!
* \brief Preform projection in case if tgtFace.IsPartner( srcFace ) and in case
* if projection by transformation is possible
- * \param tgtFace - target face
- * \param srcFace - source face
- * \param tgtMesh - target mesh
- * \param srcMesh - source mesh
- * \retval bool - true if succeeded
*/
//================================================================================
SMDS_NodeIteratorPtr nIt = srcSmds->GetNodes();
while ( nIt->more() )
{
- SMESH_MeshEditor::TNodeXYZ p ( nIt->next());
+ SMESH_TNodeXYZ p ( nIt->next());
bool pOK = false;
switch ( srcPP.size() )
{
while ( nItT->more() && !pOK )
{
const SMDS_MeshNode* n = nItT->next();
- tgtP = SMESH_MeshEditor::TNodeXYZ( n );
+ tgtP = SMESH_TNodeXYZ( n );
pOK = ( fabs( srcDist - tgtPP[0].Distance( tgtP )) < 2*eTol );
//cout << "E - nS " << p._node->GetID() << " - nT " << n->GetID()<< " OK - " << pOK<< " " << fabs( srcDist - tgtPP[0].Distance( tgtP ))<< " tol " << eTol<< endl;
}
if ( !tgtEdge.IsPartner( srcEdge.Current() ))
{
// check that transformation is OK by three nodes
- gp_Pnt p0S = SMESH_MeshEditor::TNodeXYZ( (srcNodes.begin()) ->second);
- gp_Pnt p1S = SMESH_MeshEditor::TNodeXYZ( (srcNodes.rbegin()) ->second);
- gp_Pnt p2S = SMESH_MeshEditor::TNodeXYZ( (++srcNodes.begin())->second);
+ gp_Pnt p0S = SMESH_TNodeXYZ( (srcNodes.begin()) ->second);
+ gp_Pnt p1S = SMESH_TNodeXYZ( (srcNodes.rbegin()) ->second);
+ gp_Pnt p2S = SMESH_TNodeXYZ( (++srcNodes.begin())->second);
- gp_Pnt p0T = SMESH_MeshEditor::TNodeXYZ( (tgtNodes.begin()) ->second);
- gp_Pnt p1T = SMESH_MeshEditor::TNodeXYZ( (tgtNodes.rbegin()) ->second);
- gp_Pnt p2T = SMESH_MeshEditor::TNodeXYZ( (++tgtNodes.begin())->second);
+ gp_Pnt p0T = SMESH_TNodeXYZ( (tgtNodes.begin()) ->second);
+ gp_Pnt p1T = SMESH_TNodeXYZ( (tgtNodes.rbegin()) ->second);
+ gp_Pnt p2T = SMESH_TNodeXYZ( (++tgtNodes.begin())->second);
// transform source points, they must coincide with target ones
if ( p0T.SquareDistance( p0S.Transformed( trsf )) > tol ||
// Make new faces
- // prepare the helper adding quadratic elements if necessary
+ // prepare the helper to adding quadratic elements if necessary
SMESH_MesherHelper helper( *tgtMesh );
helper.SetSubShape( tgtFace );
helper.IsQuadraticSubMesh( tgtFace );
helper.SetElementsOnShape( true );
+ SMESH_MesherHelper srcHelper( *srcMesh );
+ srcHelper.SetSubShape( srcFace );
+
const SMDS_MeshNode* nullNode = 0;
+ // indices of nodes to create properly oriented faces
+ int tri1 = 1, tri2 = 2, quad1 = 1, quad3 = 3;
+ if ( trsf.Form() != gp_Identity )
+ std::swap( tri1, tri2 ), std::swap( quad1, quad3 );
+
SMESHDS_SubMesh* srcSubDS = srcMesh->GetMeshDS()->MeshElements( srcFace );
SMDS_ElemIteratorPtr elemIt = srcSubDS->GetElements();
+ vector< const SMDS_MeshNode* > tgtNodes;
while ( elemIt->more() ) // loop on all mesh faces on srcFace
{
const SMDS_MeshElement* elem = elemIt->next();
- vector< const SMDS_MeshNode* > tgtFaceNodes;
- tgtFaceNodes.reserve( elem->NbNodes() );
- SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
- while ( nodeIt->more() ) // loop on nodes of the source element
+ 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 = (const SMDS_MeshNode*) nodeIt->next();
- if (elem->IsMediumNode(srcNode))
- continue;
+ const SMDS_MeshNode* srcNode = elem->GetNode(i);
srcN_tgtN = src2tgtNodes.insert( make_pair( srcNode, nullNode )).first;
if ( srcN_tgtN->second == nullNode )
{
// create a new node
gp_Pnt tgtP = gp_Pnt(srcNode->X(),srcNode->Y(),srcNode->Z()).Transformed( trsf );
- srcN_tgtN->second = helper.AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() );
- //MESSAGE(tgtP.X() << " " << tgtP.Y() << " " << tgtP.Z());
+ SMDS_MeshNode* n = helper.AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() );
+ srcN_tgtN->second = n;
+
+ gp_Pnt2d srcUV = srcHelper.GetNodeUV( srcFace, srcNode,
+ elem->GetNode( helper.WrapIndex(i+1,nbN)));
+ n->SetPosition( new SMDS_FacePosition( srcUV.X(), srcUV.Y() ));
}
- tgtFaceNodes.push_back( srcN_tgtN->second );
+ tgtNodes[i] = srcN_tgtN->second;
+ }
+ // create a new face
+ 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;
+ }
+ }
+ return true;
+
+ } // bool projectPartner()
+
+ //================================================================================
+ /*!
+ * \brief Preform projection in case if the faces are similar in 2D space
+ */
+ //================================================================================
+
+ bool projectBy2DSimilarity(const TopoDS_Face& tgtFace,
+ const TopoDS_Face& srcFace,
+ SMESH_Mesh * tgtMesh,
+ SMESH_Mesh * srcMesh,
+ const TAssocTool::TShapeShapeMap& shape2ShapeMap,
+ const bool is1DComputed)
+ {
+ // 1) Preparation
+
+ // get ordered src EDGEs
+ TError err;
+ TSideVector srcWires =
+ StdMeshers_FaceSide::GetFaceWires( srcFace, *srcMesh,/*ignoreMediumNodes = */false, err);
+ if ( err && !err->IsOK() )
+ return false;
+
+ // make corresponding sequence of tgt EDGEs
+ TSideVector tgtWires( srcWires.size() );
+ for ( unsigned iW = 0; iW < srcWires.size(); ++iW )
+ {
+ list< TopoDS_Edge > tgtEdges;
+ StdMeshers_FaceSidePtr srcWire = srcWires[iW];
+ for ( int iE = 0; iE < srcWire->NbEdges(); ++iE )
+ tgtEdges.push_back( TopoDS::Edge( shape2ShapeMap( srcWire->Edge( iE ))));
+
+ tgtWires[ iW ].reset( new StdMeshers_FaceSide( tgtFace, tgtEdges, tgtMesh,
+ /*theIsForward = */ true,
+ /*theIgnoreMediumNodes = */false));
+ if ( is1DComputed &&
+ srcWires[iW]->GetUVPtStruct().size() !=
+ tgtWires[iW]->GetUVPtStruct().size())
+ return false;
+ }
+
+ // 2) Find transformation
+
+ gp_Trsf2d trsf;
+ {
+ // get 2 pairs of corresponding UVs
+ gp_Pnt2d srcP0 = srcWires[0]->Value2d(0.0);
+ gp_Pnt2d srcP1 = srcWires[0]->Value2d(0.333);
+ gp_Pnt2d tgtP0 = tgtWires[0]->Value2d(0.0);
+ gp_Pnt2d tgtP1 = tgtWires[0]->Value2d(0.333);
+
+ // make transformation
+ gp_Trsf2d fromTgtCS, toSrcCS; // from/to global CS
+ gp_Ax2d srcCS( srcP0, gp_Vec2d( srcP0, srcP1 ));
+ gp_Ax2d tgtCS( tgtP0, gp_Vec2d( tgtP0, tgtP1 ));
+ toSrcCS .SetTransformation( srcCS );
+ fromTgtCS.SetTransformation( tgtCS );
+ fromTgtCS.Invert();
+
+ trsf = fromTgtCS * toSrcCS;
+
+ // check transformation
+ const double tol = 1e-5 * gp_Vec2d( srcP0, srcP1 ).Magnitude();
+ for ( double u = 0.12; u < 1.; u += 0.1 )
+ {
+ gp_Pnt2d srcUV = srcWires[0]->Value2d( u );
+ gp_Pnt2d tgtUV = tgtWires[0]->Value2d( u );
+ gp_Pnt2d tgtUV2 = srcUV.Transformed( trsf );
+ if ( tgtUV.Distance( tgtUV2 ) > tol )
+ return false;
+ }
+ }
+
+ // 3) Projection
+
+ typedef map<const SMDS_MeshNode* , const SMDS_MeshNode*, TIDCompare> TN2NMap;
+ TN2NMap src2tgtNodes;
+ TN2NMap::iterator srcN_tgtN;
+
+ // fill src2tgtNodes in with nodes on EDGEs
+ for ( unsigned iW = 0; iW < srcWires.size(); ++iW )
+ if ( is1DComputed )
+ {
+ const vector<UVPtStruct>& srcUVs = srcWires[iW]->GetUVPtStruct();
+ const vector<UVPtStruct>& tgtUVs = tgtWires[iW]->GetUVPtStruct();
+ for ( unsigned i = 0; i < srcUVs.size(); ++i )
+ src2tgtNodes.insert( make_pair( srcUVs[i].node, tgtUVs[i].node ));
+ }
+ else
+ {
+ for ( int iE = 0; iE < srcWires[iW]->NbEdges(); ++iE )
+ {
+ TopoDS_Vertex srcV = srcWires[iW]->FirstVertex(iE);
+ TopoDS_Vertex tgtV = tgtWires[iW]->FirstVertex(iE);
+ const SMDS_MeshNode* srcNode = SMESH_Algo::VertexNode( srcV, srcMesh->GetMeshDS() );
+ const SMDS_MeshNode* tgtNode = SMESH_Algo::VertexNode( tgtV, tgtMesh->GetMeshDS() );
+ if ( tgtNode && srcNode )
+ src2tgtNodes.insert( make_pair( srcNode, tgtNode ));
+ }
+ }
+
+ // make elements
+
+ SMESHDS_SubMesh* srcSubDS = srcMesh->GetMeshDS()->MeshElements( srcFace );
+
+ 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 );
+ SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS();
+
+ SMESH_MesherHelper srcHelper( *srcMesh );
+ srcHelper.SetSubShape( srcFace );
+
+ const SMDS_MeshNode* nullNode = 0;
+
+ SMDS_ElemIteratorPtr elemIt = srcSubDS->GetElements();
+ vector< const SMDS_MeshNode* > tgtNodes;
+ bool uvOK;
+ 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 = src2tgtNodes.insert( make_pair( srcNode, nullNode )).first;
+ 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 tgtUV = srcUV.Transformed( trsf );
+ 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() );
+ break;
+ }
+ case SMDS_TOP_EDGE: {
+ TopoDS_Shape srcEdge = srcHelper.GetSubShapeByNode( srcNode, srcHelper.GetMeshDS() );
+ TopoDS_Shape tgtEdge = shape2ShapeMap( srcEdge );
+ double U = srcHelper.GetNodeU( TopoDS::Edge( srcEdge ), srcNode );
+ tgtMeshDS->SetNodeOnEdge( n, TopoDS::Edge( tgtEdge ), U);
+ break;
+ }
+ case SMDS_TOP_VERTEX: {
+ TopoDS_Shape srcV = srcHelper.GetSubShapeByNode( srcNode, srcHelper.GetMeshDS() );
+ TopoDS_Shape tgtV = shape2ShapeMap( srcV );
+ tgtMeshDS->SetNodeOnVertex( n, TopoDS::Vertex( tgtV ));
+ break;
+ }
+ }
+ srcN_tgtN->second = n;
+ }
+ tgtNodes[i] = srcN_tgtN->second;
}
// create a new face (with reversed orientation)
- //MESSAGE("tgtFaceNodes.size() " << tgtFaceNodes.size());
- switch (tgtFaceNodes.size())
- {
- case 3:
- case 6:
- helper.AddFace(tgtFaceNodes[0], tgtFaceNodes[2], tgtFaceNodes[1]);
- break;
- case 4:
- case 8:
- helper.AddFace(tgtFaceNodes[0], tgtFaceNodes[3], tgtFaceNodes[2], tgtFaceNodes[1]);
- break;
- }
+ 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;
+ }
}
return true;
- }
+
+ } // bool projectBy2DSimilarity(...)
} // namespace
SMESHDS_Mesh * meshDS = theMesh.GetMeshDS();
// ---------------------------
- // Make subshapes association
+ // Make sub-shapes association
// ---------------------------
TopoDS_Face tgtFace = TopoDS::Face( theShape.Oriented(TopAbs_FORWARD));
return error(COMPERR_BAD_INPUT_MESH,"Source mesh not computed");
}
- // try to project from same face with different location
- if ( projectPartner( tgtFace, srcFace, tgtMesh, srcMesh, shape2ShapeMap ))
- return true;
+ // ===========
+ // Projection
+ // ===========
- // --------------------
- // Prepare to mapping
- // --------------------
-
- SMESH_MesherHelper helper( theMesh );
- helper.SetSubShape( tgtFace );
-
- // Check if node projection to a face is needed
- Bnd_B2d uvBox;
- SMDS_ElemIteratorPtr faceIt = srcSubMesh->GetSubMeshDS()->GetElements();
- int nbFaceNodes = 0;
- for ( ; nbFaceNodes < 3 && faceIt->more(); ) {
- const SMDS_MeshElement* face = faceIt->next();
- SMDS_ElemIteratorPtr nodeIt = face->nodesIterator();
- while ( nodeIt->more() ) {
- const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
- if ( node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
- nbFaceNodes++;
- uvBox.Add( helper.GetNodeUV( srcFace, node ));
- }
- }
- }
- const bool toProjectNodes =
- ( nbFaceNodes > 0 && ( uvBox.IsVoid() || uvBox.SquareExtent() < DBL_MIN ));
-
- // Load pattern from the source face
- SMESH_Pattern mapper;
- mapper.Load( srcMesh, srcFace, toProjectNodes );
- if ( mapper.GetErrorCode() != SMESH_Pattern::ERR_OK )
- return error(COMPERR_BAD_INPUT_MESH,"Can't load mesh pattern from the source face");
-
- // Find the first target vertex corresponding to first vertex of the <mapper>
- // and <theReverse> flag needed to call mapper.Apply()
-
- TopoDS_Vertex srcV1 = TopoDS::Vertex( mapper.GetSubShape( 1 ));
- if ( srcV1.IsNull() )
- RETURN_BAD_RESULT("Mesh is not bound to the face");
- if ( !shape2ShapeMap.IsBound( srcV1 ))
- RETURN_BAD_RESULT("Not associated vertices, srcV1 " << srcV1.TShape().operator->() );
- TopoDS_Vertex tgtV1 = TopoDS::Vertex( shape2ShapeMap( srcV1 ));
-
- if ( !SMESH_MesherHelper::IsSubShape( srcV1, srcFace ))
- RETURN_BAD_RESULT("Wrong srcV1 " << srcV1.TShape().operator->());
- if ( !SMESH_MesherHelper::IsSubShape( tgtV1, tgtFace ))
- RETURN_BAD_RESULT("Wrong tgtV1 " << tgtV1.TShape().operator->());
-
- // try to find out orientation by order of edges
- bool reverse = false;
- list< TopoDS_Edge > tgtEdges, srcEdges;
- list< int > nbEdgesInWires;
- SMESH_Block::GetOrderedEdges( tgtFace, tgtV1, tgtEdges, nbEdgesInWires);
- SMESH_Block::GetOrderedEdges( srcFace, srcV1, srcEdges, nbEdgesInWires);
- if ( nbEdgesInWires.front() > 1 ) // possible to find out
+ // find out if EDGEs are meshed or not
+ bool is1DComputed = false;
+ SMESH_subMeshIteratorPtr smIt = tgtSubMesh->getDependsOnIterator(/*includeSelf=*/false,
+ /*complexShapeFirst=*/true);
+ while ( smIt->more() && !is1DComputed )
{
- TopoDS_Edge srcE1 = srcEdges.front(), tgtE1 = tgtEdges.front();
- TopoDS_Shape srcE1bis = shape2ShapeMap( tgtE1 );
- reverse = ( ! srcE1.IsSame( srcE1bis ));
+ SMESH_subMesh* sm = smIt->next();
+ if ( sm->GetSubShape().ShapeType() == TopAbs_EDGE )
+ is1DComputed = sm->IsMeshComputed();
}
- else if ( nbEdgesInWires.front() == 1 )
+
+ bool done = false;
+
+ if ( !done )
{
- // TODO::Compare orientation of curves in a sole edge
- //RETURN_BAD_RESULT("Not implemented case");
+ // try to project from the same face with different location
+ done = projectPartner( tgtFace, srcFace, tgtMesh, srcMesh, shape2ShapeMap );
}
- else
+ if ( !done )
{
- RETURN_BAD_RESULT("Bad result from SMESH_Block::GetOrderedEdges()");
+ // projection in case if the faces are similar in 2D space
+ done = projectBy2DSimilarity( tgtFace, srcFace, tgtMesh, srcMesh, shape2ShapeMap, is1DComputed);
}
- // --------------------
- // Perform 2D mapping
- // --------------------
+ if ( !done )
+ {
+ // --------------------
+ // Prepare to mapping
+ // --------------------
+
+ SMESH_MesherHelper helper( theMesh );
+ helper.SetSubShape( tgtFace );
- // Compute mesh on a target face
+ // Check if node projection to a face is needed
+ Bnd_B2d uvBox;
+ SMDS_ElemIteratorPtr faceIt = srcSubMesh->GetSubMeshDS()->GetElements();
+ int nbFaceNodes = 0;
+ for ( ; nbFaceNodes < 3 && faceIt->more(); ) {
+ const SMDS_MeshElement* face = faceIt->next();
+ SMDS_ElemIteratorPtr nodeIt = face->nodesIterator();
+ while ( nodeIt->more() ) {
+ const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
+ if ( node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
+ nbFaceNodes++;
+ uvBox.Add( helper.GetNodeUV( srcFace, node ));
+ }
+ }
+ }
+ const bool toProjectNodes =
+ ( nbFaceNodes > 0 && ( uvBox.IsVoid() || uvBox.SquareExtent() < DBL_MIN ));
+
+ // Load pattern from the source face
+ SMESH_Pattern mapper;
+ mapper.Load( srcMesh, srcFace, toProjectNodes );
+ if ( mapper.GetErrorCode() != SMESH_Pattern::ERR_OK )
+ return error(COMPERR_BAD_INPUT_MESH,"Can't load mesh pattern from the source face");
+
+ // Find the first target vertex corresponding to first vertex of the <mapper>
+ // and <theReverse> flag needed to call mapper.Apply()
+
+ TopoDS_Vertex srcV1 = TopoDS::Vertex( mapper.GetSubShape( 1 ));
+ if ( srcV1.IsNull() )
+ RETURN_BAD_RESULT("Mesh is not bound to the face");
+ if ( !shape2ShapeMap.IsBound( srcV1 ))
+ RETURN_BAD_RESULT("Not associated vertices, srcV1 " << srcV1.TShape().operator->() );
+ TopoDS_Vertex tgtV1 = TopoDS::Vertex( shape2ShapeMap( srcV1 ));
+
+ if ( !SMESH_MesherHelper::IsSubShape( srcV1, srcFace ))
+ RETURN_BAD_RESULT("Wrong srcV1 " << srcV1.TShape().operator->());
+ if ( !SMESH_MesherHelper::IsSubShape( tgtV1, tgtFace ))
+ RETURN_BAD_RESULT("Wrong tgtV1 " << tgtV1.TShape().operator->());
+
+ // try to find out orientation by order of edges
+ bool reverse = false;
+ list< TopoDS_Edge > tgtEdges, srcEdges;
+ list< int > nbEdgesInWires;
+ SMESH_Block::GetOrderedEdges( tgtFace, tgtV1, tgtEdges, nbEdgesInWires);
+ SMESH_Block::GetOrderedEdges( srcFace, srcV1, srcEdges, nbEdgesInWires);
+ if ( nbEdgesInWires.front() > 1 ) // possible to find out
+ {
+ TopoDS_Edge srcE1 = srcEdges.front(), tgtE1 = tgtEdges.front();
+ TopoDS_Shape srcE1bis = shape2ShapeMap( tgtE1 );
+ reverse = ( ! srcE1.IsSame( srcE1bis ));
+ }
+ else if ( nbEdgesInWires.front() == 1 )
+ {
+ // TODO::Compare orientation of curves in a sole edge
+ //RETURN_BAD_RESULT("Not implemented case");
+ }
+ else
+ {
+ RETURN_BAD_RESULT("Bad result from SMESH_Block::GetOrderedEdges()");
+ }
- mapper.Apply( tgtFace, tgtV1, reverse );
- if ( mapper.GetErrorCode() != SMESH_Pattern::ERR_OK )
- return error("Can't apply source mesh pattern to the face");
+ // --------------------
+ // Perform 2D mapping
+ // --------------------
- // Create the mesh
+ // Compute mesh on a target face
- const bool toCreatePolygons = false, toCreatePolyedrs = false;
- mapper.MakeMesh( tgtMesh, toCreatePolygons, toCreatePolyedrs );
- if ( mapper.GetErrorCode() != SMESH_Pattern::ERR_OK )
- return error("Can't make mesh by source mesh pattern");
+ mapper.Apply( tgtFace, tgtV1, reverse );
+ if ( mapper.GetErrorCode() != SMESH_Pattern::ERR_OK )
+ return error("Can't apply source mesh pattern to the face");
- // it will remove mesh built by pattern mapper on edges and vertices
- // in failure case
- MeshCleaner cleaner( tgtSubMesh );
+ // Create the mesh
- // -------------------------------------------------------------------------
- // mapper doesn't take care of nodes already existing on edges and vertices,
- // so we must merge nodes created by it with existing ones
- // -------------------------------------------------------------------------
+ const bool toCreatePolygons = false, toCreatePolyedrs = false;
+ mapper.MakeMesh( tgtMesh, toCreatePolygons, toCreatePolyedrs );
+ if ( mapper.GetErrorCode() != SMESH_Pattern::ERR_OK )
+ return error("Can't make mesh by source mesh pattern");
- SMESH_MeshEditor editor( tgtMesh );
- SMESH_MeshEditor::TListOfListOfNodes groupsOfNodes;
+ // it will remove mesh built by pattern mapper on edges and vertices
+ // in failure case
+ MeshCleaner cleaner( tgtSubMesh );
- // Make groups of nodes to merge
+ // -------------------------------------------------------------------------
+ // mapper doesn't take care of nodes already existing on edges and vertices,
+ // so we must merge nodes created by it with existing ones
+ // -------------------------------------------------------------------------
- // loop on edge and vertex submeshes of a target face
- SMESH_subMeshIteratorPtr smIt = tgtSubMesh->getDependsOnIterator(false,false);
- while ( smIt->more() )
- {
- SMESH_subMesh* sm = smIt->next();
- SMESHDS_SubMesh* smDS = sm->GetSubMeshDS();
+ SMESH_MeshEditor::TListOfListOfNodes groupsOfNodes;
- // Sort new and old nodes of a submesh separately
+ // Make groups of nodes to merge
- bool isSeam = helper.IsRealSeam( sm->GetId() );
+ // loop on edge and vertex submeshes of a target face
+ smIt = tgtSubMesh->getDependsOnIterator(/*includeSelf=*/false,/*complexShapeFirst=*/false);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* sm = smIt->next();
+ SMESHDS_SubMesh* smDS = sm->GetSubMeshDS();
+ if ( !sm->IsMeshComputed() )
+ break;
+ //if ( !is1DComputed && sm->GetSubShape().ShapeType() == TopAbs_EDGE )
+ //break;
- enum { NEW_NODES = 0, OLD_NODES };
- map< double, const SMDS_MeshNode* > u2nodesMaps[2], u2nodesOnSeam;
- map< double, const SMDS_MeshNode* >::iterator u_oldNode, u_newNode, u_newOnSeam, newEnd;
- set< const SMDS_MeshNode* > seamNodes;
+ // Sort new and old nodes of a submesh separately
- // mapper puts on a seam edge nodes from 2 edges
- if ( isSeam && ! getBoundaryNodes ( sm, tgtFace, u2nodesOnSeam, seamNodes ))
- RETURN_BAD_RESULT("getBoundaryNodes() failed");
+ bool isSeam = helper.IsRealSeam( sm->GetId() );
- SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
- while ( nIt->more() )
- {
- const SMDS_MeshNode* node = nIt->next();
- bool isOld = isOldNode( node );
+ enum { NEW_NODES = 0, OLD_NODES };
+ map< double, const SMDS_MeshNode* > u2nodesMaps[2], u2nodesOnSeam;
+ map< double, const SMDS_MeshNode* >::iterator u_oldNode, u_newNode, u_newOnSeam, newEnd;
+ set< const SMDS_MeshNode* > seamNodes;
- if ( !isOld && isSeam ) { // new node on a seam edge
- if ( seamNodes.find( node ) != seamNodes.end())
- continue; // node is already in the map
- }
+ // mapper puts on a seam edge nodes from 2 edges
+ if ( isSeam && ! getBoundaryNodes ( sm, tgtFace, u2nodesOnSeam, seamNodes ))
+ RETURN_BAD_RESULT("getBoundaryNodes() failed");
- // sort nodes on edges by their position
- map< double, const SMDS_MeshNode* > & pos2nodes = u2nodesMaps[isOld ? OLD_NODES : NEW_NODES];
- switch ( node->GetPosition()->GetTypeOfPosition() )
+ SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
+ while ( nIt->more() )
{
- case SMDS_TOP_VERTEX: {
- pos2nodes.insert( make_pair( 0, node ));
- break;
+ const SMDS_MeshNode* node = nIt->next();
+ bool isOld = isOldNode( node );
+
+ if ( !isOld && isSeam ) { // new node on a seam edge
+ if ( seamNodes.find( node ) != seamNodes.end())
+ continue; // node is already in the map
+ }
+
+ // sort nodes on edges by their position
+ map< double, const SMDS_MeshNode* > & pos2nodes = u2nodesMaps[isOld ? OLD_NODES : NEW_NODES];
+ switch ( node->GetPosition()->GetTypeOfPosition() )
+ {
+ case SMDS_TOP_VERTEX: {
+ if ( !is1DComputed && !pos2nodes.empty() )
+ u2nodesMaps[isOld ? NEW_NODES : OLD_NODES].insert( make_pair( 0, node ));
+ else
+ pos2nodes.insert( make_pair( 0, node ));
+ break;
+ }
+ case SMDS_TOP_EDGE: {
+ const SMDS_EdgePosition* pos =
+ static_cast<const SMDS_EdgePosition*>(node->GetPosition());
+ pos2nodes.insert( make_pair( pos->GetUParameter(), node ));
+ break;
+ }
+ default:
+ RETURN_BAD_RESULT("Wrong node position type: "<<
+ node->GetPosition()->GetTypeOfPosition());
+ }
}
- case SMDS_TOP_EDGE: {
- const SMDS_EdgePosition* pos =
- static_cast<const SMDS_EdgePosition*>(node->GetPosition());
- pos2nodes.insert( make_pair( pos->GetUParameter(), node ));
- break;
+ if ( u2nodesMaps[ NEW_NODES ].size() != u2nodesMaps[ OLD_NODES ].size() )
+ {
+ if ( u2nodesMaps[ NEW_NODES ].size() == 0 &&
+ sm->GetSubShape().ShapeType() == TopAbs_EDGE &&
+ helper.IsDegenShape( sm->GetId() ) )
+ // NPAL15894 (tt88bis.py) - project mesh built by NETGEN_1d_2D that
+ // does not make segments/nodes on degenerated edges
+ continue;
+
+ if ( u2nodesMaps[ OLD_NODES ].size() == 0 &&
+ sm->GetSubShape().ShapeType() == TopAbs_VERTEX )
+ // old nodes are optional on vertices in the case of 1D-2D projection
+ continue;
+
+ RETURN_BAD_RESULT("Different nb of old and new nodes on shape #"<< sm->GetId() <<" "<<
+ u2nodesMaps[ OLD_NODES ].size() << " != " <<
+ u2nodesMaps[ NEW_NODES ].size());
}
- default:
- RETURN_BAD_RESULT("Wrong node position type: "<<
- node->GetPosition()->GetTypeOfPosition());
+ if ( isSeam && u2nodesMaps[ OLD_NODES ].size() != u2nodesOnSeam.size() ) {
+ RETURN_BAD_RESULT("Different nb of old and seam nodes " <<
+ u2nodesMaps[ OLD_NODES ].size() << " != " << u2nodesOnSeam.size());
+ }
+ // Make groups of nodes to merge
+ u_oldNode = u2nodesMaps[ OLD_NODES ].begin();
+ u_newNode = u2nodesMaps[ NEW_NODES ].begin();
+ newEnd = u2nodesMaps[ NEW_NODES ].end();
+ u_newOnSeam = u2nodesOnSeam.begin();
+ for ( ; u_newNode != newEnd; ++u_newNode, ++u_oldNode ) {
+ groupsOfNodes.push_back( list< const SMDS_MeshNode* >() );
+ groupsOfNodes.back().push_back( u_oldNode->second );
+ groupsOfNodes.back().push_back( u_newNode->second );
+ if ( isSeam )
+ groupsOfNodes.back().push_back( (u_newOnSeam++)->second );
}
}
- if ( u2nodesMaps[ NEW_NODES ].size() != u2nodesMaps[ OLD_NODES ].size() )
+
+ // Merge
+
+ SMESH_MeshEditor editor( tgtMesh );
+ int nbFaceBeforeMerge = tgtSubMesh->GetSubMeshDS()->NbElements();
+ editor.MergeNodes( groupsOfNodes );
+ int nbFaceAtferMerge = tgtSubMesh->GetSubMeshDS()->NbElements();
+ if ( nbFaceBeforeMerge != nbFaceAtferMerge )
+ return error(COMPERR_BAD_INPUT_MESH, "Probably invalid node parameters on geom faces");
+
+ // ----------------------------------------------------------------
+ // The mapper can't create quadratic elements, so convert if needed
+ // ----------------------------------------------------------------
+
+ faceIt = srcSubMesh->GetSubMeshDS()->GetElements();
+ bool srcIsQuad = faceIt->next()->IsQuadratic();
+ faceIt = tgtSubMesh->GetSubMeshDS()->GetElements();
+ bool tgtIsQuad = faceIt->next()->IsQuadratic();
+ if ( srcIsQuad && !tgtIsQuad )
{
- if ( u2nodesMaps[ NEW_NODES ].size() == 0 &&
- sm->GetSubShape().ShapeType() == TopAbs_EDGE &&
- helper.IsDegenShape( sm->GetId() ) )
- // NPAL15894 (tt88bis.py) - project mesh built by NETGEN_1d_2D that
- // does not make segments/nodes on degenerated edges
- continue;
-
- RETURN_BAD_RESULT("Different nb of old and new nodes on shape #"<< sm->GetId() <<" "<<
- u2nodesMaps[ OLD_NODES ].size() << " != " <<
- u2nodesMaps[ NEW_NODES ].size());
- }
- if ( isSeam && u2nodesMaps[ OLD_NODES ].size() != u2nodesOnSeam.size() ) {
- RETURN_BAD_RESULT("Different nb of old and seam nodes " <<
- u2nodesMaps[ OLD_NODES ].size() << " != " << u2nodesOnSeam.size());
- }
- // Make groups of nodes to merge
- u_oldNode = u2nodesMaps[ OLD_NODES ].begin();
- u_newNode = u2nodesMaps[ NEW_NODES ].begin();
- newEnd = u2nodesMaps[ NEW_NODES ].end();
- u_newOnSeam = u2nodesOnSeam.begin();
- for ( ; u_newNode != newEnd; ++u_newNode, ++u_oldNode ) {
- groupsOfNodes.push_back( list< const SMDS_MeshNode* >() );
- groupsOfNodes.back().push_back( u_oldNode->second );
- groupsOfNodes.back().push_back( u_newNode->second );
- if ( isSeam )
- groupsOfNodes.back().push_back( (u_newOnSeam++)->second );
+ TIDSortedElemSet tgtFaces;
+ faceIt = tgtSubMesh->GetSubMeshDS()->GetElements();
+ while ( faceIt->more() )
+ tgtFaces.insert( tgtFaces.end(), faceIt->next() );
+
+ editor.ConvertToQuadratic(/*theForce3d=*/false, tgtFaces);
}
- }
- // Merge
+ cleaner.Release(); // not to remove mesh
+
+ } // end of projection using Pattern mapping
- int nbFaceBeforeMerge = tgtSubMesh->GetSubMeshDS()->NbElements();
- editor.MergeNodes( groupsOfNodes );
- int nbFaceAtferMerge = tgtSubMesh->GetSubMeshDS()->NbElements();
- if ( nbFaceBeforeMerge != nbFaceAtferMerge )
- return error(COMPERR_BAD_INPUT_MESH, "Probably invalid node parameters on geom faces");
// ---------------------------
// Check elements orientation
// Fix orientation
if ( SMESH_Algo::IsReversedSubMesh( face, meshDS ))
{
+ SMESH_MeshEditor editor( tgtMesh );
SMDS_ElemIteratorPtr eIt = meshDS->MeshElements( face )->GetElements();
while ( eIt->more() ) {
const SMDS_MeshElement* e = eIt->next();
}
}
- cleaner.Release(); // do not remove mesh
-
return true;
}
//purpose :
//=======================================================================
-bool StdMeshers_Projection_2D::Evaluate(SMESH_Mesh& theMesh,
+bool StdMeshers_Projection_2D::Evaluate(SMESH_Mesh& theMesh,
const TopoDS_Shape& theShape,
- MapShapeNbElems& aResMap)
+ MapShapeNbElems& aResMap)
{
if ( !_sourceHypo )
return false;
srcMesh = tgtMesh;
// ---------------------------
- // Make subshapes association
+ // Make sub-shapes association
// ---------------------------
TopoDS_Face tgtFace = TopoDS::Face( theShape.Oriented(TopAbs_FORWARD));
TopoDS_Face srcFace = TopoDS::Face( shape2ShapeMap( tgtFace ).Oriented(TopAbs_FORWARD));
- // ----------------------------------------------
- // Assure that mesh on a source Face is computed
- // ----------------------------------------------
-
- SMESH_subMesh* srcSubMesh = srcMesh->GetSubMesh( srcFace );
-
- if ( !srcSubMesh->IsMeshComputed() )
- return error(COMPERR_BAD_INPUT_MESH,"Source mesh not computed");
+ // -------------------------------------------------------
+ // Assure that mesh on a source Face is computed/evaluated
+ // -------------------------------------------------------
+ std::vector<int> aVec;
- std::vector<int> aVec(SMDSEntity_Last);
- for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i] = 0;
-
- aVec[SMDSEntity_Node] = srcSubMesh->GetSubMeshDS()->NbNodes();
+ SMESH_subMesh* srcSubMesh = srcMesh->GetSubMesh( srcFace );
+ if ( srcSubMesh->IsMeshComputed() )
+ {
+ aVec.resize( SMDSEntity_Last, 0 );
+ aVec[SMDSEntity_Node] = srcSubMesh->GetSubMeshDS()->NbNodes();
- //bool quadratic = false;
- SMDS_ElemIteratorPtr elemIt = srcSubMesh->GetSubMeshDS()->GetElements();
- while ( elemIt->more() ) {
- const SMDS_MeshElement* E = elemIt->next();
- if( E->NbNodes()==3 ) {
- aVec[SMDSEntity_Triangle]++;
- }
- else if( E->NbNodes()==4 ) {
- aVec[SMDSEntity_Quadrangle]++;
- }
- else if( E->NbNodes()==6 && E->IsQuadratic() ) {
- aVec[SMDSEntity_Quad_Triangle]++;
- }
- else if( E->NbNodes()==8 && E->IsQuadratic() ) {
- aVec[SMDSEntity_Quad_Quadrangle]++;
- }
- else {
- aVec[SMDSEntity_Polygon]++;
- }
+ SMDS_ElemIteratorPtr elemIt = srcSubMesh->GetSubMeshDS()->GetElements();
+ while ( elemIt->more() )
+ aVec[ elemIt->next()->GetEntityType() ]++;
+ }
+ else
+ {
+ MapShapeNbElems tmpResMap;
+ MapShapeNbElems& srcResMap = (srcMesh == tgtMesh) ? aResMap : tmpResMap;
+ if ( !_gen->Evaluate( *srcMesh, srcShape, srcResMap ))
+ return error(COMPERR_BAD_INPUT_MESH,"Source mesh not evaluatable");
+ aVec = srcResMap[ srcSubMesh ];
+ if ( aVec.empty() )
+ return error(COMPERR_BAD_INPUT_MESH,"Source mesh is wrongly evaluated");
}
SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
