--- /dev/null
+// SMESH SMESH : implementaion of SMESH idl descriptions
+//
+// Copyright (C) 2003 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 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
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+//
+//
+// File : StdMeshers_Prism_3D.cxx
+// Module : SMESH
+// Created : Fri Oct 20 11:37:07 2006
+// Author : Edward AGAPOV (eap)
+
+
+#include "StdMeshers_Prism_3D.hxx"
+
+#include "StdMeshers_ProjectionUtils.hxx"
+#include "SMESH_MeshEditor.hxx"
+#include "SMDS_VolumeTool.hxx"
+#include "SMDS_VolumeOfNodes.hxx"
+#include "SMDS_EdgePosition.hxx"
+#include "SMESH_Comment.hxx"
+
+#include "utilities.h"
+
+#include <BRep_Tool.hxx>
+#include <Geom2dAdaptor_Curve.hxx>
+#include <Geom2d_Line.hxx>
+#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopoDS.hxx>
+
+using namespace std;
+
+#define RETURN_BAD_RESULT(msg) { MESSAGE(")-: Error: " << msg); return false; }
+#define gpXYZ(n) gp_XYZ(n->X(),n->Y(),n->Z())
+#define SHOWYXZ(msg, xyz) // {\
+// gp_Pnt p (xyz); \
+// cout << msg << " ("<< p.X() << "; " <<p.Y() << "; " <<p.Z() << ") " <<endl;\
+// }
+
+typedef StdMeshers_ProjectionUtils TAssocTool;
+typedef SMESH_Comment TCom;
+
+enum { ID_BOT_FACE = SMESH_Block::ID_Fxy0,
+ ID_TOP_FACE = SMESH_Block::ID_Fxy1,
+ BOTTOM_EDGE = 0, TOP_EDGE, V0_EDGE, V1_EDGE, // edge IDs in face
+ NB_WALL_FACES = 4 }; //
+
+namespace {
+
+ //================================================================================
+ /*!
+ * \brief Return iterator pointing to node column for the given parameter
+ * \param columnsMap - node column map
+ * \param parameter - parameter
+ * \retval TParam2ColumnMap::iterator - result
+ *
+ * it returns closest left column
+ */
+ //================================================================================
+
+ TParam2ColumnIt getColumn( const TParam2ColumnMap* columnsMap,
+ const double parameter )
+ {
+ TParam2ColumnIt u_col = columnsMap->upper_bound( parameter );
+ if ( u_col != columnsMap->begin() )
+ --u_col;
+ return u_col; // return left column
+ }
+
+ //================================================================================
+ /*!
+ * \brief Return nodes around given parameter and a ratio
+ * \param column - node column
+ * \param param - parameter
+ * \param node1 - lower node
+ * \param node2 - upper node
+ * \retval double - ratio
+ */
+ //================================================================================
+
+ double getRAndNodes( const TNodeColumn* column,
+ const double param,
+ const SMDS_MeshNode* & node1,
+ const SMDS_MeshNode* & node2)
+ {
+ if ( param >= 1.0 || column->size() == 1) {
+ node1 = node2 = column->back();
+ return 0;
+ }
+
+ int i = int( param * ( column->size() - 1 ));
+ double u0 = double( i )/ double( column->size() - 1 );
+ double r = ( param - u0 ) * ( column->size() - 1 );
+
+ node1 = (*column)[ i ];
+ node2 = (*column)[ i + 1];
+ return r;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Compute boundary parameters of face parts
+ * \param nbParts - nb of parts to split columns into
+ * \param columnsMap - node columns of the face to split
+ * \param params - computed parameters
+ */
+ //================================================================================
+
+ void splitParams( const int nbParts,
+ const TParam2ColumnMap* columnsMap,
+ vector< double > & params)
+ {
+ params.clear();
+ params.reserve( nbParts + 1 );
+ TParam2ColumnIt last_par_col = --columnsMap->end();
+ double par = columnsMap->begin()->first; // 0.
+ double parLast = last_par_col->first;
+ params.push_back( par );
+ for ( int i = 0; i < nbParts - 1; ++ i )
+ {
+ double partSize = ( parLast - par ) / double ( nbParts - i );
+ TParam2ColumnIt par_col = getColumn( columnsMap, par + partSize );
+ if ( par_col->first == par ) {
+ ++par_col;
+ if ( par_col == last_par_col ) {
+ while ( i < nbParts - 1 )
+ params.push_back( par + partSize * i++ );
+ break;
+ }
+ }
+ par = par_col->first;
+ params.push_back( par );
+ }
+ params.push_back( parLast ); // 1.
+ }
+}
+
+//=======================================================================
+//function : StdMeshers_Prism_3D
+//purpose :
+//=======================================================================
+
+StdMeshers_Prism_3D::StdMeshers_Prism_3D(int hypId, int studyId, SMESH_Gen* gen)
+ :SMESH_3D_Algo(hypId, studyId, gen)
+{
+ _name = "Prism_3D";
+ _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit per shape type
+ myProjectTriangles = false;
+}
+
+//================================================================================
+/*!
+ * \brief Destructor
+ */
+//================================================================================
+
+StdMeshers_Prism_3D::~StdMeshers_Prism_3D()
+{}
+
+//=======================================================================
+//function : CheckHypothesis
+//purpose :
+//=======================================================================
+
+bool StdMeshers_Prism_3D::CheckHypothesis(SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ SMESH_Hypothesis::Hypothesis_Status& aStatus)
+{
+ // Check shape geometry
+/* PAL16229
+ aStatus = SMESH_Hypothesis::HYP_BAD_GEOMETRY;
+
+ // find not quadrangle faces
+ list< TopoDS_Shape > notQuadFaces;
+ int nbEdge, nbWire, nbFace = 0;
+ TopExp_Explorer exp( aShape, TopAbs_FACE );
+ for ( ; exp.More(); exp.Next() ) {
+ ++nbFace;
+ const TopoDS_Shape& face = exp.Current();
+ nbEdge = TAssocTool::Count( face, TopAbs_EDGE, 0 );
+ nbWire = TAssocTool::Count( face, TopAbs_WIRE, 0 );
+ if ( nbEdge!= 4 || nbWire!= 1 ) {
+ if ( !notQuadFaces.empty() ) {
+ if ( TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 ) != nbEdge ||
+ TAssocTool::Count( notQuadFaces.back(), TopAbs_WIRE, 0 ) != nbWire )
+ RETURN_BAD_RESULT("Different not quad faces");
+ }
+ notQuadFaces.push_back( face );
+ }
+ }
+ if ( !notQuadFaces.empty() )
+ {
+ if ( notQuadFaces.size() != 2 )
+ RETURN_BAD_RESULT("Bad nb not quad faces: " << notQuadFaces.size());
+
+ // check total nb faces
+ nbEdge = TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 );
+ if ( nbFace != nbEdge + 2 )
+ RETURN_BAD_RESULT("Bad nb of faces: " << nbFace << " but must be " << nbEdge + 2);
+ }
+*/
+ // no hypothesis
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ return true;
+}
+
+//=======================================================================
+//function : Compute
+//purpose :
+//=======================================================================
+
+bool StdMeshers_Prism_3D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& theShape)
+{
+ SMESH_MesherHelper helper( theMesh );
+ myHelper = &helper;
+
+ myHelper->IsQuadraticSubMesh( theShape );
+
+ // Analyse mesh and geomerty to find block subshapes and submeshes
+ if ( !myBlock.Init( myHelper, theShape ))
+ return error( myBlock.GetError());
+
+ SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
+
+ int volumeID = meshDS->ShapeToIndex( theShape );
+
+
+ // To compute coordinates of a node inside a block, it is necessary to know
+ // 1. normalized parameters of the node by which
+ // 2. coordinates of node projections on all block sub-shapes are computed
+
+ // So we fill projections on vertices at once as they are same for all nodes
+ myShapeXYZ.resize( myBlock.NbSubShapes() );
+ for ( int iV = SMESH_Block::ID_FirstV; iV < SMESH_Block::ID_FirstE; ++iV ) {
+ myBlock.VertexPoint( iV, myShapeXYZ[ iV ]);
+ SHOWYXZ("V point " <<iV << " ", myShapeXYZ[ iV ]);
+ }
+
+ // Projections on the top and bottom faces are taken from nodes existing
+ // on these faces; find correspondence between bottom and top nodes
+ myBotToColumnMap.clear();
+ if ( !assocOrProjBottom2Top() ) // it also fill myBotToColumnMap
+ return false;
+
+
+ // Create nodes inside the block
+
+ // loop on nodes inside the bottom face
+ TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
+ for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
+ {
+ const TNode& tBotNode = bot_column->first; // bottom TNode
+ if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
+ continue; // node is not inside face
+
+ // column nodes; middle part of the column are zero pointers
+ TNodeColumn& column = bot_column->second;
+
+ // bottom node parameters and coords
+ myShapeXYZ[ ID_BOT_FACE ] = tBotNode.GetCoords();
+ gp_XYZ botParams = tBotNode.GetParams();
+
+ // compute top node parameters
+ myShapeXYZ[ ID_TOP_FACE ] = gpXYZ( column.back() );
+ gp_XYZ topParams = botParams;
+ topParams.SetZ( 1 );
+ if ( column.size() > 2 ) {
+ gp_Pnt topCoords = myShapeXYZ[ ID_TOP_FACE ];
+ if ( !myBlock.ComputeParameters( topCoords, topParams, ID_TOP_FACE, topParams ))
+ return error(TCom("Can't compute normalized parameters ")
+ << "for node " << column.back()->GetID()
+ << " on the face #"<< column.back()->GetPosition()->GetShapeId() );
+ }
+
+ // vertical loop
+ TNodeColumn::iterator columnNodes = column.begin();
+ for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
+ {
+ const SMDS_MeshNode* & node = *columnNodes;
+ if ( node ) continue; // skip bottom or top node
+
+ // params of a node to create
+ double rz = (double) z / (double) ( column.size() - 1 );
+ gp_XYZ params = botParams * ( 1 - rz ) + topParams * rz;
+
+ // set coords on all faces and nodes
+ const int nbSideFaces = 4;
+ int sideFaceIDs[nbSideFaces] = { SMESH_Block::ID_Fx0z,
+ SMESH_Block::ID_Fx1z,
+ SMESH_Block::ID_F0yz,
+ SMESH_Block::ID_F1yz };
+ for ( int iF = 0; iF < nbSideFaces; ++iF )
+ if ( !setFaceAndEdgesXYZ( sideFaceIDs[ iF ], params, z ))
+ return false;
+
+ // compute coords for a new node
+ gp_XYZ coords;
+ if ( !SMESH_Block::ShellPoint( params, myShapeXYZ, coords ))
+ return error("Can't compute coordinates by normalized parameters");
+
+ SHOWYXZ("TOPFacePoint ",myShapeXYZ[ ID_TOP_FACE]);
+ SHOWYXZ("BOT Node "<< tBotNode.myNode->GetID(),gpXYZ(tBotNode.myNode));
+ SHOWYXZ("ShellPoint ",coords);
+
+ // create a node
+ node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
+ meshDS->SetNodeInVolume( node, volumeID );
+ }
+ } // loop on bottom nodes
+
+
+ // Create volumes
+
+ SMESHDS_SubMesh* smDS = myBlock.SubMeshDS( ID_BOT_FACE );
+ if ( !smDS ) return error(COMPERR_BAD_INPUT_MESH, "Null submesh");
+
+ // loop on bottom mesh faces
+ SMDS_ElemIteratorPtr faceIt = smDS->GetElements();
+ while ( faceIt->more() )
+ {
+ const SMDS_MeshElement* face = faceIt->next();
+ if ( !face || face->GetType() != SMDSAbs_Face )
+ continue;
+ int nbNodes = face->NbNodes();
+ if ( face->IsQuadratic() )
+ nbNodes /= 2;
+
+ // find node columns for each node
+ vector< const TNodeColumn* > columns( nbNodes );
+ for ( int i = 0; i < nbNodes; ++i )
+ {
+ const SMDS_MeshNode* n = face->GetNode( i );
+ if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
+ bot_column = myBotToColumnMap.find( n );
+ if ( bot_column == myBotToColumnMap.end() )
+ return error(TCom("No nodes found above node ") << n->GetID() );
+ columns[ i ] = & bot_column->second;
+ }
+ else {
+ columns[ i ] = myBlock.GetNodeColumn( n );
+ if ( !columns[ i ] )
+ return error(TCom("No side nodes found above node ") << n->GetID() );
+ }
+ }
+ // create prisms
+ AddPrisms( columns, myHelper );
+
+ } // loop on bottom mesh faces
+
+ return true;
+}
+
+//================================================================================
+/*!
+ * \brief Create prisms
+ * \param columns - columns of nodes generated from nodes of a mesh face
+ * \param helper - helper initialized by mesh and shape to add prisms to
+ */
+//================================================================================
+
+void StdMeshers_Prism_3D::AddPrisms( vector<const TNodeColumn*> & columns,
+ SMESH_MesherHelper* helper)
+{
+ SMESHDS_Mesh * meshDS = helper->GetMeshDS();
+ int shapeID = helper->GetSubShapeID();
+
+ int nbNodes = columns.size();
+ int nbZ = columns[0]->size();
+ if ( nbZ < 2 ) return;
+
+ // find out orientation
+ bool isForward = true;
+ SMDS_VolumeTool vTool;
+ int z = 1;
+ switch ( nbNodes ) {
+ case 3: {
+ const SMDS_MeshNode* botNodes[3] = { (*columns[0])[z-1],
+ (*columns[1])[z-1],
+ (*columns[2])[z-1] };
+ const SMDS_MeshNode* topNodes[3] = { (*columns[0])[z],
+ (*columns[1])[z],
+ (*columns[2])[z] };
+ SMDS_VolumeOfNodes tmpVol ( botNodes[0], botNodes[1], botNodes[2],
+ topNodes[0], topNodes[1], topNodes[2]);
+ vTool.Set( &tmpVol );
+ isForward = vTool.IsForward();
+ break;
+ }
+ case 4: {
+ const SMDS_MeshNode* botNodes[4] = { (*columns[0])[z-1], (*columns[1])[z-1],
+ (*columns[2])[z-1], (*columns[3])[z-1] };
+ const SMDS_MeshNode* topNodes[4] = { (*columns[0])[z], (*columns[1])[z],
+ (*columns[2])[z], (*columns[3])[z] };
+ SMDS_VolumeOfNodes tmpVol ( botNodes[0], botNodes[1], botNodes[2], botNodes[3],
+ topNodes[0], topNodes[1], topNodes[2], topNodes[3]);
+ vTool.Set( &tmpVol );
+ isForward = vTool.IsForward();
+ break;
+ }
+ }
+
+ // vertical loop on columns
+ for ( z = 1; z < nbZ; ++z )
+ {
+ SMDS_MeshElement* vol = 0;
+ switch ( nbNodes ) {
+
+ case 3: {
+ const SMDS_MeshNode* botNodes[3] = { (*columns[0])[z-1],
+ (*columns[1])[z-1],
+ (*columns[2])[z-1] };
+ const SMDS_MeshNode* topNodes[3] = { (*columns[0])[z],
+ (*columns[1])[z],
+ (*columns[2])[z] };
+ if ( isForward )
+ vol = helper->AddVolume( botNodes[0], botNodes[1], botNodes[2],
+ topNodes[0], topNodes[1], topNodes[2]);
+ else
+ vol = helper->AddVolume( topNodes[0], topNodes[1], topNodes[2],
+ botNodes[0], botNodes[1], botNodes[2]);
+ break;
+ }
+ case 4: {
+ const SMDS_MeshNode* botNodes[4] = { (*columns[0])[z-1], (*columns[1])[z-1],
+ (*columns[2])[z-1], (*columns[3])[z-1] };
+ const SMDS_MeshNode* topNodes[4] = { (*columns[0])[z], (*columns[1])[z],
+ (*columns[2])[z], (*columns[3])[z] };
+ if ( isForward )
+ vol = helper->AddVolume( botNodes[0], botNodes[1], botNodes[2], botNodes[3],
+ topNodes[0], topNodes[1], topNodes[2], topNodes[3]);
+ else
+ vol = helper->AddVolume( topNodes[0], topNodes[1], topNodes[2], topNodes[3],
+ botNodes[0], botNodes[1], botNodes[2], botNodes[3]);
+ break;
+ }
+ default:
+ // polyhedron
+ vector<const SMDS_MeshNode*> nodes( 2*nbNodes + 4*nbNodes);
+ vector<int> quantities( 2 + nbNodes, 4 );
+ quantities[0] = quantities[1] = nbNodes;
+ columns.resize( nbNodes + 1 );
+ columns[ nbNodes ] = columns[ 0 ];
+ for ( int i = 0; i < nbNodes; ++i ) {
+ nodes[ i ] = (*columns[ i ])[z-1]; // bottom
+ nodes[ i+nbNodes ] = (*columns[ i ])[z ]; // top
+ // side
+ int di = 2*nbNodes + 4*i - 1;
+ nodes[ di ] = (*columns[i ])[z-1];
+ nodes[ di+1 ] = (*columns[i+1])[z-1];
+ nodes[ di+2 ] = (*columns[i+1])[z ];
+ nodes[ di+3 ] = (*columns[i ])[z ];
+ }
+ vol = meshDS->AddPolyhedralVolume( nodes, quantities );
+ }
+ if ( vol && shapeID > 0 )
+ meshDS->SetMeshElementOnShape( vol, shapeID );
+ }
+}
+
+//================================================================================
+/*!
+ * \brief Find correspondence between bottom and top nodes
+ * If elements on the bottom and top faces are topologically different,
+ * and projection is possible and allowed, perform the projection
+ * \retval bool - is a success or not
+ */
+//================================================================================
+
+bool StdMeshers_Prism_3D::assocOrProjBottom2Top()
+{
+ SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
+ SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
+
+ SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
+ SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
+
+ if ( !botSMDS || botSMDS->NbElements() == 0 )
+ return error(TCom("No elememts on face #") << botSM->GetId());
+
+ bool needProject = false;
+ if ( !topSMDS ||
+ botSMDS->NbElements() != topSMDS->NbElements() ||
+ botSMDS->NbNodes() != topSMDS->NbNodes())
+ {
+ if ( myBlock.HasNotQuadElemOnTop() )
+ return error(TCom("Mesh on faces #") << botSM->GetId()
+ <<" and #"<< topSM->GetId() << " seems different" );
+ needProject = true;
+ }
+
+ if ( 0/*needProject && !myProjectTriangles*/ )
+ return error(TCom("Mesh on faces #") << botSM->GetId()
+ <<" and #"<< topSM->GetId() << " seems different" );
+ ///RETURN_BAD_RESULT("Need to project but not allowed");
+
+ if ( needProject )
+ {
+ return projectBottomToTop();
+ }
+
+ TopoDS_Face botFace = TopoDS::Face( myBlock.Shape( ID_BOT_FACE ));
+ TopoDS_Face topFace = TopoDS::Face( myBlock.Shape( ID_TOP_FACE ));
+ // associate top and bottom faces
+ TAssocTool::TShapeShapeMap shape2ShapeMap;
+ if ( !TAssocTool::FindSubShapeAssociation( botFace, myBlock.Mesh(),
+ topFace, myBlock.Mesh(),
+ shape2ShapeMap) )
+ return error(TCom("Topology of faces #") << botSM->GetId()
+ <<" and #"<< topSM->GetId() << " seems different" );
+
+ // Find matching nodes of top and bottom faces
+ TNodeNodeMap n2nMap;
+ if ( ! TAssocTool::FindMatchingNodesOnFaces( botFace, myBlock.Mesh(),
+ topFace, myBlock.Mesh(),
+ shape2ShapeMap, n2nMap ))
+ return error(TCom("Mesh on faces #") << botSM->GetId()
+ <<" and #"<< topSM->GetId() << " seems different" );
+
+ // Fill myBotToColumnMap
+
+ int zSize = myBlock.VerticalSize();
+ TNode prevTNode;
+ TNodeNodeMap::iterator bN_tN = n2nMap.begin();
+ for ( ; bN_tN != n2nMap.end(); ++bN_tN )
+ {
+ const SMDS_MeshNode* botNode = bN_tN->first;
+ const SMDS_MeshNode* topNode = bN_tN->second;
+ if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
+ continue; // wall columns are contained in myBlock
+ // compute bottom node params
+ TNode bN( botNode );
+ if ( zSize > 2 ) {
+ gp_XYZ paramHint(-1,-1,-1);
+ if ( prevTNode.IsNeighbor( bN ))
+ paramHint = prevTNode.GetParams();
+ if ( !myBlock.ComputeParameters( bN.GetCoords(), bN.ChangeParams(),
+ ID_BOT_FACE, paramHint ))
+ return error(TCom("Can't compute normalized parameters for node ")
+ << botNode->GetID() << " on the face #"<< botSM->GetId() );
+ prevTNode = bN;
+ }
+ // create node column
+ TNode2ColumnMap::iterator bN_col =
+ myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
+ TNodeColumn & column = bN_col->second;
+ column.resize( zSize );
+ column.front() = botNode;
+ column.back() = topNode;
+ }
+ return true;
+}
+
+//================================================================================
+/*!
+ * \brief Remove quadrangles from the top face and
+ * create triangles there by projection from the bottom
+ * \retval bool - a success or not
+ */
+//================================================================================
+
+bool StdMeshers_Prism_3D::projectBottomToTop()
+{
+ SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
+ SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
+
+ SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
+ SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
+
+ if ( topSMDS )
+ topSM->ComputeStateEngine( SMESH_subMesh::CLEAN );
+
+ SMESHDS_Mesh* meshDS = myBlock.MeshDS();
+ int shapeID = myHelper->GetSubShapeID();
+ int topFaceID = meshDS->ShapeToIndex( topSM->GetSubShape() );
+
+ // Fill myBotToColumnMap
+
+ int zSize = myBlock.VerticalSize();
+ TNode prevTNode;
+ SMDS_NodeIteratorPtr nIt = botSMDS->GetNodes();
+ while ( nIt->more() )
+ {
+ const SMDS_MeshNode* botNode = nIt->next();
+ if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
+ continue; // strange
+ // compute bottom node params
+ TNode bN( botNode );
+ gp_XYZ paramHint(-1,-1,-1);
+ if ( prevTNode.IsNeighbor( bN ))
+ paramHint = prevTNode.GetParams();
+ if ( !myBlock.ComputeParameters( bN.GetCoords(), bN.ChangeParams(),
+ ID_BOT_FACE, paramHint ))
+ return error(TCom("Can't compute normalized parameters for node ")
+ << botNode->GetID() << " on the face #"<< botSM->GetId() );
+ prevTNode = bN;
+ // compute top node coords
+ gp_XYZ topXYZ; gp_XY topUV;
+ if ( !myBlock.FacePoint( ID_TOP_FACE, bN.GetParams(), topXYZ ) ||
+ !myBlock.FaceUV ( ID_TOP_FACE, bN.GetParams(), topUV ))
+ return error(TCom("Can't compute coordinates "
+ "by normalized parameters on the face #")<< topSM->GetId() );
+ SMDS_MeshNode * topNode = meshDS->AddNode( topXYZ.X(),topXYZ.Y(),topXYZ.Z() );
+ meshDS->SetNodeOnFace( topNode, topFaceID, topUV.X(), topUV.Y() );
+ // create node column
+ TNode2ColumnMap::iterator bN_col =
+ myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
+ TNodeColumn & column = bN_col->second;
+ column.resize( zSize );
+ column.front() = botNode;
+ column.back() = topNode;
+ }
+
+ // Create top faces
+
+ // loop on bottom mesh faces
+ SMDS_ElemIteratorPtr faceIt = botSMDS->GetElements();
+ while ( faceIt->more() )
+ {
+ const SMDS_MeshElement* face = faceIt->next();
+ if ( !face || face->GetType() != SMDSAbs_Face )
+ continue;
+ int nbNodes = face->NbNodes();
+ if ( face->IsQuadratic() )
+ nbNodes /= 2;
+
+ // find top node in columns for each bottom node
+ vector< const SMDS_MeshNode* > nodes( nbNodes );
+ for ( int i = 0; i < nbNodes; ++i )
+ {
+ const SMDS_MeshNode* n = face->GetNode( nbNodes - i - 1 );
+ if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
+ TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
+ if ( bot_column == myBotToColumnMap.end() )
+ return error(TCom("No nodes found above node ") << n->GetID() );
+ nodes[ i ] = bot_column->second.back();
+ }
+ else {
+ const TNodeColumn* column = myBlock.GetNodeColumn( n );
+ if ( !column )
+ return error(TCom("No side nodes found above node ") << n->GetID() );
+ nodes[ i ] = column->back();
+ }
+ }
+ // create a face, with reversed orientation
+ SMDS_MeshElement* newFace = 0;
+ switch ( nbNodes ) {
+
+ case 3: {
+ newFace = myHelper->AddFace(nodes[0], nodes[1], nodes[2]);
+ break;
+ }
+ case 4: {
+ newFace = myHelper->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
+ break;
+ }
+ default:
+ newFace = meshDS->AddPolygonalFace( nodes );
+ }
+ if ( newFace && shapeID > 0 )
+ meshDS->SetMeshElementOnShape( newFace, shapeID );
+ }
+
+ return true;
+}
+
+//================================================================================
+/*!
+ * \brief Set projection coordinates of a node to a face and it's subshapes
+ * \param faceID - the face given by in-block ID
+ * \param params - node normalized parameters
+ * \retval bool - is a success
+ */
+//================================================================================
+
+bool StdMeshers_Prism_3D::setFaceAndEdgesXYZ( const int faceID, const gp_XYZ& params, int z )
+{
+ // find base and top edges of the face
+ enum { BASE = 0, TOP, LEFT, RIGHT };
+ vector< int > edgeVec; // 0-base, 1-top
+ SMESH_Block::GetFaceEdgesIDs( faceID, edgeVec );
+
+ myBlock.EdgePoint( edgeVec[ BASE ], params, myShapeXYZ[ edgeVec[ BASE ]]);
+ myBlock.EdgePoint( edgeVec[ TOP ], params, myShapeXYZ[ edgeVec[ TOP ]]);
+
+ SHOWYXZ("\nparams ", params);
+ SHOWYXZ("TOP is "<<edgeVec[ TOP], myShapeXYZ[ edgeVec[ TOP]]);
+ SHOWYXZ("BASE is "<<edgeVec[ BASE], myShapeXYZ[ edgeVec[ BASE]]);
+
+ if ( faceID == SMESH_Block::ID_Fx0z || faceID == SMESH_Block::ID_Fx1z )
+ {
+ myBlock.EdgePoint( edgeVec[ LEFT ], params, myShapeXYZ[ edgeVec[ LEFT ]]);
+ myBlock.EdgePoint( edgeVec[ RIGHT ], params, myShapeXYZ[ edgeVec[ RIGHT ]]);
+
+ SHOWYXZ("VER "<<edgeVec[ LEFT], myShapeXYZ[ edgeVec[ LEFT]]);
+ SHOWYXZ("VER "<<edgeVec[ RIGHT], myShapeXYZ[ edgeVec[ RIGHT]]);
+ }
+ myBlock.FacePoint( faceID, params, myShapeXYZ[ faceID ]);
+ SHOWYXZ("FacePoint "<<faceID, myShapeXYZ[ faceID]);
+
+ return true;
+}
+
+//================================================================================
+/*!
+ * \brief Return true if this node and other one belong to one face
+ */
+//================================================================================
+
+bool TNode::IsNeighbor( const TNode& other ) const
+{
+ if ( !other.myNode || !myNode ) return false;
+
+ SMDS_ElemIteratorPtr fIt = other.myNode->GetInverseElementIterator(SMDSAbs_Face);
+ while ( fIt->more() )
+ if ( fIt->next()->GetNodeIndex( myNode ) >= 0 )
+ return true;
+ return false;
+}
+
+//================================================================================
+/*!
+ * \brief Constructor. Initialization is needed
+ */
+//================================================================================
+
+StdMeshers_PrismAsBlock::StdMeshers_PrismAsBlock()
+{
+ mySide = 0;
+}
+
+StdMeshers_PrismAsBlock::~StdMeshers_PrismAsBlock()
+{
+ if ( mySide ) {
+ delete mySide; mySide = 0;
+ }
+}
+
+//================================================================================
+/*!
+ * \brief Initialization.
+ * \param helper - helper loaded with mesh and 3D shape
+ * \param shape3D - a closed shell or solid
+ * \retval bool - false if a mesh or a shape are KO
+ */
+//================================================================================
+
+bool StdMeshers_PrismAsBlock::Init(SMESH_MesherHelper* helper,
+ const TopoDS_Shape& shape3D)
+{
+ if ( mySide ) {
+ delete mySide; mySide = 0;
+ }
+ vector< TSideFace* > sideFaces( NB_WALL_FACES, 0 );
+ vector< pair< double, double> > params ( NB_WALL_FACES );
+ mySide = new TSideFace( sideFaces, params );
+
+ myHelper = helper;
+ SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
+
+ SMESH_Block::init();
+ myShapeIDMap.Clear();
+ myShapeIndex2ColumnMap.clear();
+
+ int wallFaceIds[ NB_WALL_FACES ] = { // to walk around a block
+ SMESH_Block::ID_Fx0z, SMESH_Block::ID_F1yz,
+ SMESH_Block::ID_Fx1z, SMESH_Block::ID_F0yz
+ };
+
+ myError = SMESH_ComputeError::New();
+
+ // -------------------------------------------------------------
+ // Look for top and bottom faces: not quadrangle ones or meshed
+ // with not quadrangle elements
+ // -------------------------------------------------------------
+
+ list< SMESH_subMesh* > notQuadGeomSubMesh;
+ list< SMESH_subMesh* > notQuadElemSubMesh;
+ int nbFaces = 0;
+ //
+ SMESH_subMesh* mainSubMesh = myHelper->GetMesh()->GetSubMeshContaining( shape3D );
+ if ( !mainSubMesh ) return error(COMPERR_BAD_INPUT_MESH,"Null submesh of shape3D");
+
+ // analyse face submeshes
+ SMESH_subMeshIteratorPtr smIt = mainSubMesh->getDependsOnIterator(false,false);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* sm = smIt->next();
+ const TopoDS_Shape& face = sm->GetSubShape();
+ if ( face.ShapeType() != TopAbs_FACE )
+ continue;
+ nbFaces++;
+
+ // is quadrangle face?
+ list< TopoDS_Edge > orderedEdges;
+ list< int > nbEdgesInWires;
+ TopoDS_Vertex V000;
+ int nbWires = GetOrderedEdges( TopoDS::Face( face ),
+ V000, orderedEdges, nbEdgesInWires );
+ if ( nbWires != 1 || nbEdgesInWires.front() != 4 )
+ notQuadGeomSubMesh.push_back( sm );
+
+ // look for not quadrangle mesh elements
+ if ( SMESHDS_SubMesh* smDS = sm->GetSubMeshDS() ) {
+ bool hasNotQuad = false;
+ SMDS_ElemIteratorPtr eIt = smDS->GetElements();
+ while ( eIt->more() && !hasNotQuad ) {
+ const SMDS_MeshElement* elem = eIt->next();
+ if ( elem->GetType() == SMDSAbs_Face ) {
+ int nbNodes = elem->NbNodes();
+ if ( elem->IsQuadratic() )
+ nbNodes /= 2;
+ hasNotQuad = ( nbNodes != 4 );
+ }
+ }
+ if ( hasNotQuad )
+ notQuadElemSubMesh.push_back( sm );
+ }
+ else {
+ return error(COMPERR_BAD_INPUT_MESH,TCom("Not meshed face #")<<sm->GetId());
+ }
+ // check if a quadrangle face is meshed with a quadranglar grid
+ if ( notQuadGeomSubMesh.back() != sm &&
+ notQuadElemSubMesh.back() != sm )
+ {
+ // count nb edges on face sides
+ vector< int > nbEdges;
+ nbEdges.reserve( nbEdgesInWires.front() );
+ for ( list< TopoDS_Edge >::iterator edge = orderedEdges.begin();
+ edge != orderedEdges.end(); ++edge )
+ {
+ if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( *edge ))
+ nbEdges.push_back ( smDS->NbElements() );
+ else
+ nbEdges.push_back ( 0 );
+ }
+ int nbQuads = sm->GetSubMeshDS()->NbElements();
+ if ( nbEdges[0] * nbEdges[1] != nbQuads ||
+ nbEdges[0] != nbEdges[2] ||
+ nbEdges[1] != nbEdges[3] )
+ notQuadElemSubMesh.push_back( sm );
+ }
+ }
+
+ // ----------------------------------------------------------------------
+ // Analyse faces mesh and topology: choose the bottom submesh.
+ // If there are not quadrangle geom faces, they are top and bottom ones.
+ // Not quadrangle geom faces must be only on top and bottom.
+ // ----------------------------------------------------------------------
+
+ SMESH_subMesh * botSM = 0;
+ SMESH_subMesh * topSM = 0;
+
+ int nbNotQuad = notQuadGeomSubMesh.size();
+ int nbNotQuadMeshed = notQuadElemSubMesh.size();
+ bool hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
+
+ // detect bad cases
+ if ( nbNotQuad > 0 && nbNotQuad != 2 )
+ return error(COMPERR_BAD_SHAPE,
+ TCom("More than 2 not quadrilateral faces: ")
+ <<nbNotQuad);
+ if ( nbNotQuadMeshed > 2 )
+ return error(COMPERR_BAD_INPUT_MESH,
+ TCom("More than 2 faces with not quadrangle elements: ")
+ <<nbNotQuadMeshed);
+
+ // get found submeshes
+ if ( hasNotQuad )
+ {
+ if ( nbNotQuadMeshed > 0 ) botSM = notQuadElemSubMesh.front();
+ else botSM = notQuadGeomSubMesh.front();
+ if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.back();
+ else if ( nbNotQuad > 1 ) topSM = notQuadGeomSubMesh.back();
+ }
+ // detect other bad cases
+ if ( nbNotQuad == 2 && nbNotQuadMeshed > 0 ) {
+ bool ok = false;
+ if ( nbNotQuadMeshed == 1 )
+ ok = ( find( notQuadGeomSubMesh.begin(),
+ notQuadGeomSubMesh.end(), botSM ) != notQuadGeomSubMesh.end() );
+ else
+ ok = ( notQuadGeomSubMesh == notQuadElemSubMesh );
+ if ( !ok )
+ return error(COMPERR_BAD_INPUT_MESH, "Side face meshed with not quadrangle elements");
+ }
+
+ myNotQuadOnTop = ( nbNotQuadMeshed > 1 );
+
+ // ----------------------------------------------------------
+
+ if ( nbNotQuad == 0 ) // Standard block of 6 quadrangle faces ?
+ {
+ // SMESH_Block will perform geometry analysis, we need just to find 2
+ // connected vertices on top and bottom
+
+ TopoDS_Vertex Vbot, Vtop;
+ if ( nbNotQuadMeshed > 0 ) // Look for vertices
+ {
+ TopTools_IndexedMapOfShape edgeMap;
+ TopExp::MapShapes( botSM->GetSubShape(), TopAbs_EDGE, edgeMap );
+ // vertex 1 is any vertex of the bottom face
+ Vbot = TopExp::FirstVertex( TopoDS::Edge( edgeMap( 1 )));
+ // vertex 2 is end vertex of edge sharing Vbot and not belonging to the bottom face
+ TopTools_ListIteratorOfListOfShape ancestIt = Mesh()->GetAncestors( Vbot );
+ for ( ; Vtop.IsNull() && ancestIt.More(); ancestIt.Next() )
+ {
+ const TopoDS_Shape & ancestor = ancestIt.Value();
+ if ( ancestor.ShapeType() == TopAbs_EDGE && !edgeMap.FindIndex( ancestor ))
+ {
+ TopoDS_Vertex V1, V2;
+ TopExp::Vertices( TopoDS::Edge( ancestor ), V1, V2);
+ if ( Vbot.IsSame ( V1 )) Vtop = V2;
+ else if ( Vbot.IsSame ( V2 )) Vtop = V1;
+ // check that Vtop belongs to shape3D
+ TopExp_Explorer exp( shape3D, TopAbs_VERTEX );
+ for ( ; exp.More(); exp.Next() )
+ if ( Vtop.IsSame( exp.Current() ))
+ break;
+ if ( !exp.More() )
+ Vtop.Nullify();
+ }
+ }
+ }
+ // get shell from shape3D
+ TopoDS_Shell shell;
+ TopExp_Explorer exp( shape3D, TopAbs_SHELL );
+ int nbShell = 0;
+ for ( ; exp.More(); exp.Next(), ++nbShell )
+ shell = TopoDS::Shell( exp.Current() );
+// if ( nbShell != 1 )
+// RETURN_BAD_RESULT("There must be 1 shell in the block");
+
+ // Load geometry in SMESH_Block
+ if ( !SMESH_Block::FindBlockShapes( shell, Vbot, Vtop, myShapeIDMap )) {
+ if ( !hasNotQuad )
+ return error(COMPERR_BAD_SHAPE, "Can't detect top and bottom of a prism");
+ }
+ else {
+ if ( !botSM ) botSM = Mesh()->GetSubMeshContaining( myShapeIDMap( ID_BOT_FACE ));
+ if ( !topSM ) topSM = Mesh()->GetSubMeshContaining( myShapeIDMap( ID_TOP_FACE ));
+ }
+
+ } // end Standard block of 6 quadrangle faces
+ // --------------------------------------------------------
+
+ // Here the top and bottom faces are found
+ if ( nbNotQuadMeshed == 2 ) // roughly check correspondence of horiz meshes
+ {
+// SMESHDS_SubMesh* topSMDS = topSM->GetSubMeshDS();
+// SMESHDS_SubMesh* botSMDS = botSM->GetSubMeshDS();
+// if ( topSMDS->NbNodes() != botSMDS->NbNodes() ||
+// topSMDS->NbElements() != botSMDS->NbElements() )
+// RETURN_BAD_RESULT("Top mesh doesn't correspond to bottom one");
+ }
+
+ // ---------------------------------------------------------
+ // If there are not quadrangle geom faces, we emulate
+ // a block of 6 quadrangle faces.
+ // Load SMESH_Block with faces and edges geometry
+ // ---------------------------------------------------------
+
+
+ // find vertex 000 - the one with smallest coordinates (for easy DEBUG :-)
+ TopoDS_Vertex V000;
+ double minVal = DBL_MAX, minX, val;
+ for ( TopExp_Explorer exp( botSM->GetSubShape(), TopAbs_VERTEX );
+ exp.More(); exp.Next() )
+ {
+ const TopoDS_Vertex& v = TopoDS::Vertex( exp.Current() );
+ gp_Pnt P = BRep_Tool::Pnt( v );
+ val = P.X() + P.Y() + P.Z();
+ if ( val < minVal || ( val == minVal && P.X() < minX )) {
+ V000 = v;
+ minVal = val;
+ minX = P.X();
+ }
+ }
+
+ // Get ordered bottom edges
+ list< TopoDS_Edge > orderedEdges;
+ list< int > nbVertexInWires;
+ SMESH_Block::GetOrderedEdges( TopoDS::Face( botSM->GetSubShape().Reversed() ),
+ V000, orderedEdges, nbVertexInWires );
+// if ( nbVertexInWires.size() != 1 )
+// RETURN_BAD_RESULT("Wrong prism geometry");
+
+ // Get Wall faces corresponding to the ordered bottom edges
+ list< TopoDS_Face > wallFaces;
+ if ( !GetWallFaces( Mesh(), shape3D, botSM->GetSubShape(), orderedEdges, wallFaces))
+ return error(COMPERR_BAD_SHAPE, "Can't find side faces");
+
+ // Find columns of wall nodes and calculate edges' lengths
+ // --------------------------------------------------------
+
+ myParam2ColumnMaps.clear();
+ myParam2ColumnMaps.resize( orderedEdges.size() ); // total nb edges
+
+ int iE, nbEdges = nbVertexInWires.front(); // nb outer edges
+ vector< double > edgeLength( nbEdges );
+ map< double, int > len2edgeMap;
+
+ list< TopoDS_Edge >::iterator edgeIt = orderedEdges.begin();
+ list< TopoDS_Face >::iterator faceIt = wallFaces.begin();
+ for ( iE = 0; iE < nbEdges; ++edgeIt, ++faceIt )
+ {
+ TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
+ if ( !myHelper->LoadNodeColumns( faceColumns, *faceIt, *edgeIt, meshDS ))
+ return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
+ << "on a side face #" << MeshDS()->ShapeToIndex( *faceIt ));
+
+ SHOWYXZ("\np1 F "<<iE, gpXYZ(faceColumns.begin()->second.front() ));
+ SHOWYXZ("p2 F "<<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
+ SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
+
+ edgeLength[ iE ] = SMESH_Algo::EdgeLength( *edgeIt );
+
+ if ( nbEdges < NB_WALL_FACES ) // fill map used to split faces
+ {
+ SMESHDS_SubMesh* smDS = meshDS->MeshElements( *edgeIt);
+ if ( !smDS )
+ return error(COMPERR_BAD_INPUT_MESH, TCom("Null submesh on the edge #")
+ << MeshDS()->ShapeToIndex( *edgeIt ));
+ // assure length uniqueness
+ edgeLength[ iE ] *= smDS->NbNodes() + edgeLength[ iE ] / ( 1000 + iE );
+ len2edgeMap[ edgeLength[ iE ]] = iE;
+ }
+ ++iE;
+ }
+ // Load columns of internal edges (forming holes)
+ // and fill map ShapeIndex to TParam2ColumnMap for them
+ for ( ; edgeIt != orderedEdges.end() ; ++edgeIt, ++faceIt )
+ {
+ TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
+ if ( !myHelper->LoadNodeColumns( faceColumns, *faceIt, *edgeIt, meshDS ))
+ return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
+ << "on a side face #" << MeshDS()->ShapeToIndex( *faceIt ));
+ // edge columns
+ int id = MeshDS()->ShapeToIndex( *edgeIt );
+ bool isForward = true; // meaningless for intenal wires
+ myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
+ // columns for vertices
+ // 1
+ const SMDS_MeshNode* n0 = faceColumns.begin()->second.front();
+ id = n0->GetPosition()->GetShapeId();
+ myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
+ // 2
+ const SMDS_MeshNode* n1 = faceColumns.rbegin()->second.front();
+ id = n1->GetPosition()->GetShapeId();
+ myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
+// SHOWYXZ("\np1 F "<<iE, gpXYZ(faceColumns.begin()->second.front() ));
+// SHOWYXZ("p2 F "<<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
+// SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
+ ++iE;
+ }
+
+ // Create 4 wall faces of a block
+ // -------------------------------
+
+ if ( nbEdges <= NB_WALL_FACES ) // ************* Split faces if necessary
+ {
+ map< int, int > iE2nbSplit;
+ if ( nbEdges != NB_WALL_FACES ) // define how to split
+ {
+ if ( len2edgeMap.size() != nbEdges )
+ RETURN_BAD_RESULT("Uniqueness of edge lengths not assured");
+ map< double, int >::reverse_iterator maxLen_i = len2edgeMap.rbegin();
+ map< double, int >::reverse_iterator midLen_i = ++len2edgeMap.rbegin();
+ double maxLen = maxLen_i->first;
+ double midLen = ( len2edgeMap.size() == 1 ) ? 0 : midLen_i->first;
+ switch ( nbEdges ) {
+ case 1: // 0-th edge is split into 4 parts
+ iE2nbSplit.insert( make_pair( 0, 4 )); break;
+ case 2: // either the longest edge is split into 3 parts, or both edges into halves
+ if ( maxLen / 3 > midLen / 2 ) {
+ iE2nbSplit.insert( make_pair( maxLen_i->second, 3 ));
+ }
+ else {
+ iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
+ iE2nbSplit.insert( make_pair( midLen_i->second, 2 ));
+ }
+ break;
+ case 3:
+ // split longest into halves
+ iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
+ }
+ }
+ // Create TSideFace's
+ faceIt = wallFaces.begin();
+ edgeIt = orderedEdges.begin();
+ int iSide = 0;
+ for ( iE = 0; iE < nbEdges; ++edgeIt, ++faceIt )
+ {
+ // split?
+ map< int, int >::iterator i_nb = iE2nbSplit.find( iE );
+ if ( i_nb != iE2nbSplit.end() ) {
+ // split!
+ int nbSplit = i_nb->second;
+ vector< double > params;
+ splitParams( nbSplit, &myParam2ColumnMaps[ iE ], params );
+ bool isForward = ( edgeIt->Orientation() == TopAbs_FORWARD );
+ for ( int i = 0; i < nbSplit; ++i ) {
+ double f = ( isForward ? params[ i ] : params[ nbSplit - i-1 ]);
+ double l = ( isForward ? params[ i+1 ] : params[ nbSplit - i ]);
+ TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
+ *faceIt, *edgeIt,
+ &myParam2ColumnMaps[ iE ], f, l );
+ mySide->SetComponent( iSide++, comp );
+ }
+ }
+ else {
+ TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
+ *faceIt, *edgeIt,
+ &myParam2ColumnMaps[ iE ]);
+ mySide->SetComponent( iSide++, comp );
+ }
+ ++iE;
+ }
+ }
+ else { // **************************** Unite faces
+
+ // unite first faces
+ int nbExraFaces = nbEdges - 3;
+ int iSide = 0, iE;
+ double u0 = 0, sumLen = 0;
+ for ( iE = 0; iE < nbExraFaces; ++iE )
+ sumLen += edgeLength[ iE ];
+
+ vector< TSideFace* > components( nbExraFaces );
+ vector< pair< double, double> > params( nbExraFaces );
+ faceIt = wallFaces.begin();
+ edgeIt = orderedEdges.begin();
+ for ( iE = 0; iE < nbExraFaces; ++edgeIt, ++faceIt )
+ {
+ components[ iE ] = new TSideFace( myHelper, wallFaceIds[ iSide ],
+ *faceIt, *edgeIt,
+ &myParam2ColumnMaps[ iE ]);
+ double u1 = u0 + edgeLength[ iE ] / sumLen;
+ params[ iE ] = make_pair( u0 , u1 );
+ u0 = u1;
+ ++iE;
+ }
+ mySide->SetComponent( iSide++, new TSideFace( components, params ));
+
+ // fill the rest faces
+ for ( ; iE < nbEdges; ++faceIt, ++edgeIt )
+ {
+ TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
+ *faceIt, *edgeIt,
+ &myParam2ColumnMaps[ iE ]);
+ mySide->SetComponent( iSide++, comp );
+ ++iE;
+ }
+ }
+
+
+ // Fill geometry fields of SMESH_Block
+ // ------------------------------------
+
+ TopoDS_Face botF = TopoDS::Face( botSM->GetSubShape() );
+ TopoDS_Face topF = TopoDS::Face( topSM->GetSubShape() );
+
+ vector< int > botEdgeIdVec;
+ SMESH_Block::GetFaceEdgesIDs( ID_BOT_FACE, botEdgeIdVec );
+
+ bool isForward[NB_WALL_FACES] = { true, true, true, true };
+ Adaptor2d_Curve2d* botPcurves[NB_WALL_FACES];
+ Adaptor2d_Curve2d* topPcurves[NB_WALL_FACES];
+
+ for ( int iF = 0; iF < NB_WALL_FACES; ++iF )
+ {
+ TSideFace * sideFace = mySide->GetComponent( iF );
+ if ( !sideFace )
+ RETURN_BAD_RESULT("NULL TSideFace");
+ int fID = sideFace->FaceID();
+
+ // fill myShapeIDMap
+ if ( sideFace->InsertSubShapes( myShapeIDMap ) != 8 &&
+ !sideFace->IsComplex())
+ MESSAGE( ": Warning : InsertSubShapes() < 8 on side " << iF );
+
+ // side faces geometry
+ Adaptor2d_Curve2d* pcurves[NB_WALL_FACES];
+ if ( !sideFace->GetPCurves( pcurves ))
+ RETURN_BAD_RESULT("TSideFace::GetPCurves() failed");
+
+ SMESH_Block::TFace& tFace = myFace[ fID - ID_FirstF ];
+ tFace.Set( fID, sideFace->Surface(), pcurves, isForward );
+
+ SHOWYXZ( endl<<"F "<< iF << " id " << fID << " FRW " << sideFace->IsForward(), sideFace->Value(0,0));
+ // edges 3D geometry
+ vector< int > edgeIdVec;
+ SMESH_Block::GetFaceEdgesIDs( fID, edgeIdVec );
+ for ( int isMax = 0; isMax < 2; ++isMax ) {
+ {
+ int eID = edgeIdVec[ isMax ];
+ SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
+ tEdge.Set( eID, sideFace->HorizCurve(isMax), true);
+ SHOWYXZ(eID<<" HOR"<<isMax<<"(0)", sideFace->HorizCurve(isMax)->Value(0));
+ SHOWYXZ(eID<<" HOR"<<isMax<<"(1)", sideFace->HorizCurve(isMax)->Value(1));
+ }
+ {
+ int eID = edgeIdVec[ isMax+2 ];
+ SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
+ tEdge.Set( eID, sideFace->VertiCurve(isMax), true);
+ SHOWYXZ(eID<<" VER"<<isMax<<"(0)", sideFace->VertiCurve(isMax)->Value(0));
+ SHOWYXZ(eID<<" VER"<<isMax<<"(1)", sideFace->VertiCurve(isMax)->Value(1));
+
+ // corner points
+ vector< int > vertexIdVec;
+ SMESH_Block::GetEdgeVertexIDs( eID, vertexIdVec );
+ myPnt[ vertexIdVec[0] - ID_FirstV ] = tEdge.GetCurve()->Value(0).XYZ();
+ myPnt[ vertexIdVec[1] - ID_FirstV ] = tEdge.GetCurve()->Value(1).XYZ();
+ }
+ }
+ // pcurves on horizontal faces
+ for ( iE = 0; iE < NB_WALL_FACES; ++iE ) {
+ if ( edgeIdVec[ BOTTOM_EDGE ] == botEdgeIdVec[ iE ] ) {
+ botPcurves[ iE ] = sideFace->HorizPCurve( false, botF );
+ topPcurves[ iE ] = sideFace->HorizPCurve( true, topF );
+ break;
+ }
+ }
+ }
+ // horizontal faces geometry
+ {
+ SMESH_Block::TFace& tFace = myFace[ ID_BOT_FACE - ID_FirstF ];
+ tFace.Set( ID_BOT_FACE, new BRepAdaptor_Surface( botF ), botPcurves, isForward );
+ SMESH_Block::Insert( botF, ID_BOT_FACE, myShapeIDMap );
+ }
+ {
+ SMESH_Block::TFace& tFace = myFace[ ID_TOP_FACE - ID_FirstF ];
+ tFace.Set( ID_TOP_FACE, new BRepAdaptor_Surface( topF ), topPcurves, isForward );
+ SMESH_Block::Insert( topF, ID_TOP_FACE, myShapeIDMap );
+ }
+
+ // Fill map ShapeIndex to TParam2ColumnMap
+ // ----------------------------------------
+
+ list< TSideFace* > fList;
+ list< TSideFace* >::iterator fListIt;
+ fList.push_back( mySide );
+ for ( fListIt = fList.begin(); fListIt != fList.end(); ++fListIt)
+ {
+ int nb = (*fListIt)->NbComponents();
+ for ( int i = 0; i < nb; ++i ) {
+ if ( TSideFace* comp = (*fListIt)->GetComponent( i ))
+ fList.push_back( comp );
+ }
+ if ( TParam2ColumnMap* cols = (*fListIt)->GetColumns()) {
+ // columns for a base edge
+ int id = MeshDS()->ShapeToIndex( (*fListIt)->BaseEdge() );
+ bool isForward = (*fListIt)->IsForward();
+ myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
+
+ // columns for vertices
+ const SMDS_MeshNode* n0 = cols->begin()->second.front();
+ id = n0->GetPosition()->GetShapeId();
+ myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
+
+ const SMDS_MeshNode* n1 = cols->rbegin()->second.front();
+ id = n1->GetPosition()->GetShapeId();
+ myShapeIndex2ColumnMap[ id ] = make_pair( cols, !isForward );
+ }
+ }
+
+// gp_XYZ testPar(0.25, 0.25, 0), testCoord;
+// if ( !FacePoint( ID_BOT_FACE, testPar, testCoord ))
+// RETURN_BAD_RESULT("TEST FacePoint() FAILED");
+// SHOWYXZ("IN TEST PARAM" , testPar);
+// SHOWYXZ("OUT TEST CORD" , testCoord);
+// if ( !ComputeParameters( testCoord, testPar , ID_BOT_FACE))
+// RETURN_BAD_RESULT("TEST ComputeParameters() FAILED");
+// SHOWYXZ("OUT TEST PARAM" , testPar);
+
+ return true;
+}
+
+//================================================================================
+/*!
+ * \brief Return pointer to column of nodes
+ * \param node - bottom node from which the returned column goes up
+ * \retval const TNodeColumn* - the found column
+ */
+//================================================================================
+
+const TNodeColumn* StdMeshers_PrismAsBlock::GetNodeColumn(const SMDS_MeshNode* node) const
+{
+ int sID = node->GetPosition()->GetShapeId();
+
+ map<int, pair< TParam2ColumnMap*, bool > >::const_iterator col_frw =
+ myShapeIndex2ColumnMap.find( sID );
+ if ( col_frw != myShapeIndex2ColumnMap.end() ) {
+ const TParam2ColumnMap* cols = col_frw->second.first;
+ TParam2ColumnIt u_col = cols->begin();
+ for ( ; u_col != cols->end(); ++u_col )
+ if ( u_col->second[ 0 ] == node )
+ return & u_col->second;
+ }
+ return 0;
+}
+
+//================================================================================
+/*!
+ * \brief Check curve orientation of a bootom edge
+ * \param meshDS - mesh DS
+ * \param columnsMap - node columns map of side face
+ * \param bottomEdge - the bootom edge
+ * \param sideFaceID - side face in-block ID
+ * \retval bool - true if orientation coinside with in-block froward orientation
+ */
+//================================================================================
+
+bool StdMeshers_PrismAsBlock::IsForwardEdge(SMESHDS_Mesh* meshDS,
+ const TParam2ColumnMap& columnsMap,
+ const TopoDS_Edge & bottomEdge,
+ const int sideFaceID)
+{
+ bool isForward = false;
+ if ( TAssocTool::IsClosedEdge( bottomEdge ))
+ {
+ isForward = ( bottomEdge.Orientation() == TopAbs_FORWARD );
+ }
+ else
+ {
+ const TNodeColumn& firstCol = columnsMap.begin()->second;
+ const SMDS_MeshNode* bottomNode = firstCol[0];
+ TopoDS_Shape firstVertex = SMESH_MesherHelper::GetSubShapeByNode( bottomNode, meshDS );
+ isForward = ( firstVertex.IsSame( TopExp::FirstVertex( bottomEdge, true )));
+ }
+ // on 2 of 4 sides first vertex is end
+ if ( sideFaceID == ID_Fx1z || sideFaceID == ID_F0yz )
+ isForward = !isForward;
+ return isForward;
+}
+
+//================================================================================
+ /*!
+ * \brief Find wall faces by bottom edges
+ * \param mesh - the mesh
+ * \param mainShape - the prism
+ * \param bottomFace - the bottom face
+ * \param bottomEdges - edges bounding the bottom face
+ * \param wallFaces - faces list to fill in
+ */
+//================================================================================
+
+bool StdMeshers_PrismAsBlock::GetWallFaces( SMESH_Mesh* mesh,
+ const TopoDS_Shape & mainShape,
+ const TopoDS_Shape & bottomFace,
+ const std::list< TopoDS_Edge >& bottomEdges,
+ std::list< TopoDS_Face >& wallFaces)
+{
+ wallFaces.clear();
+
+ TopTools_IndexedMapOfShape faceMap;
+ TopExp::MapShapes( mainShape, TopAbs_FACE, faceMap );
+
+ list< TopoDS_Edge >::const_iterator edge = bottomEdges.begin();
+ for ( ; edge != bottomEdges.end(); ++edge )
+ {
+ TopTools_ListIteratorOfListOfShape ancestIt = mesh->GetAncestors( *edge );
+ for ( ; ancestIt.More(); ancestIt.Next() )
+ {
+ const TopoDS_Shape& ancestor = ancestIt.Value();
+ if ( ancestor.ShapeType() == TopAbs_FACE && // face
+ !bottomFace.IsSame( ancestor ) && // not bottom
+ faceMap.FindIndex( ancestor )) // belongs to the prism
+ {
+ wallFaces.push_back( TopoDS::Face( ancestor ));
+ break;
+ }
+ }
+ }
+ return ( wallFaces.size() == bottomEdges.size() );
+}
+
+//================================================================================
+/*!
+ * \brief Constructor
+ * \param faceID - in-block ID
+ * \param face - geom face
+ * \param columnsMap - map of node columns
+ * \param first - first normalized param
+ * \param last - last normalized param
+ */
+//================================================================================
+
+StdMeshers_PrismAsBlock::TSideFace::TSideFace(SMESH_MesherHelper* helper,
+ const int faceID,
+ const TopoDS_Face& face,
+ const TopoDS_Edge& baseEdge,
+ TParam2ColumnMap* columnsMap,
+ const double first,
+ const double last):
+ myID( faceID ),
+ myParamToColumnMap( columnsMap ),
+ myBaseEdge( baseEdge ),
+ myHelper( helper )
+{
+ mySurface.Initialize( face );
+ myParams.resize( 1 );
+ myParams[ 0 ] = make_pair( first, last );
+ myIsForward = StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
+ *myParamToColumnMap,
+ myBaseEdge, myID );
+}
+
+//================================================================================
+/*!
+ * \brief Constructor of complex side face
+ */
+//================================================================================
+
+StdMeshers_PrismAsBlock::TSideFace::
+TSideFace(const vector< TSideFace* >& components,
+ const vector< pair< double, double> > & params)
+ :myID( components[0] ? components[0]->myID : 0 ),
+ myParamToColumnMap( 0 ),
+ myParams( params ),
+ myIsForward( true ),
+ myComponents( components ),
+ myHelper( components[0] ? components[0]->myHelper : 0 )
+{}
+//================================================================================
+/*!
+ * \brief Copy constructor
+ * \param other - other side
+ */
+//================================================================================
+
+StdMeshers_PrismAsBlock::TSideFace::TSideFace( const TSideFace& other )
+{
+ myID = other.myID;
+ mySurface = other.mySurface;
+ myBaseEdge = other.myBaseEdge;
+ myParams = other.myParams;
+ myIsForward = other.myIsForward;
+ myHelper = other.myHelper;
+ myParamToColumnMap = other.myParamToColumnMap;
+
+ myComponents.resize( other.myComponents.size());
+ for (int i = 0 ; i < myComponents.size(); ++i )
+ myComponents[ i ] = new TSideFace( *other.myComponents[ i ]);
+}
+
+//================================================================================
+/*!
+ * \brief Deletes myComponents
+ */
+//================================================================================
+
+StdMeshers_PrismAsBlock::TSideFace::~TSideFace()
+{
+ for (int i = 0 ; i < myComponents.size(); ++i )
+ if ( myComponents[ i ] )
+ delete myComponents[ i ];
+}
+
+//================================================================================
+/*!
+ * \brief Return geometry of the vertical curve
+ * \param isMax - true means curve located closer to (1,1,1) block point
+ * \retval Adaptor3d_Curve* - curve adaptor
+ */
+//================================================================================
+
+Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::VertiCurve(const bool isMax) const
+{
+ if ( !myComponents.empty() ) {
+ if ( isMax )
+ return myComponents.back()->VertiCurve(isMax);
+ else
+ return myComponents.front()->VertiCurve(isMax);
+ }
+ double f = myParams[0].first, l = myParams[0].second;
+ if ( !myIsForward ) std::swap( f, l );
+ return new TVerticalEdgeAdaptor( myParamToColumnMap, isMax ? l : f );
+}
+
+//================================================================================
+/*!
+ * \brief Return geometry of the top or bottom curve
+ * \param isTop -
+ * \retval Adaptor3d_Curve* -
+ */
+//================================================================================
+
+Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::HorizCurve(const bool isTop) const
+{
+ return new THorizontalEdgeAdaptor( this, isTop );
+}
+
+//================================================================================
+/*!
+ * \brief Return pcurves
+ * \param pcurv - array of 4 pcurves
+ * \retval bool - is a success
+ */
+//================================================================================
+
+bool StdMeshers_PrismAsBlock::TSideFace::GetPCurves(Adaptor2d_Curve2d* pcurv[4]) const
+{
+ int iEdge[ 4 ] = { BOTTOM_EDGE, TOP_EDGE, V0_EDGE, V1_EDGE };
+
+ for ( int i = 0 ; i < 4 ; ++i ) {
+ Handle(Geom2d_Line) line;
+ switch ( iEdge[ i ] ) {
+ case TOP_EDGE:
+ line = new Geom2d_Line( gp_Pnt2d( 0, 1 ), gp::DX2d() ); break;
+ case BOTTOM_EDGE:
+ line = new Geom2d_Line( gp::Origin2d(), gp::DX2d() ); break;
+ case V0_EDGE:
+ line = new Geom2d_Line( gp::Origin2d(), gp::DY2d() ); break;
+ case V1_EDGE:
+ line = new Geom2d_Line( gp_Pnt2d( 1, 0 ), gp::DY2d() ); break;
+ }
+ pcurv[ i ] = new Geom2dAdaptor_Curve( line, 0, 1 );
+ }
+ return true;
+}
+
+//================================================================================
+/*!
+ * \brief Returns geometry of pcurve on a horizontal face
+ * \param isTop - is top or bottom face
+ * \param horFace - a horizontal face
+ * \retval Adaptor2d_Curve2d* - curve adaptor
+ */
+//================================================================================
+
+Adaptor2d_Curve2d*
+StdMeshers_PrismAsBlock::TSideFace::HorizPCurve(const bool isTop,
+ const TopoDS_Face& horFace) const
+{
+ return new TPCurveOnHorFaceAdaptor( this, isTop, horFace );
+}
+
+//================================================================================
+/*!
+ * \brief Return a component corresponding to parameter
+ * \param U - parameter along a horizontal size
+ * \param localU - parameter along a horizontal size of a component
+ * \retval TSideFace* - found component
+ */
+//================================================================================
+
+StdMeshers_PrismAsBlock::TSideFace*
+StdMeshers_PrismAsBlock::TSideFace::GetComponent(const double U,double & localU) const
+{
+ localU = U;
+ if ( myComponents.empty() )
+ return const_cast<TSideFace*>( this );
+
+ int i;
+ for ( i = 0; i < myComponents.size(); ++i )
+ if ( U < myParams[ i ].second )
+ break;
+ if ( i >= myComponents.size() )
+ i = myComponents.size() - 1;
+
+ double f = myParams[ i ].first, l = myParams[ i ].second;
+ localU = ( U - f ) / ( l - f );
+ return myComponents[ i ];
+}
+
+//================================================================================
+/*!
+ * \brief Find node columns for a parameter
+ * \param U - parameter along a horizontal edge
+ * \param col1 - the 1st found column
+ * \param col2 - the 2nd found column
+ * \retval r - normalized position of U between the found columns
+ */
+//================================================================================
+
+double StdMeshers_PrismAsBlock::TSideFace::GetColumns(const double U,
+ TParam2ColumnIt & col1,
+ TParam2ColumnIt & col2) const
+{
+ double u = U, r = 0;
+ if ( !myComponents.empty() ) {
+ TSideFace * comp = GetComponent(U,u);
+ return comp->GetColumns( u, col1, col2 );
+ }
+
+ if ( !myIsForward )
+ u = 1 - u;
+ double f = myParams[0].first, l = myParams[0].second;
+ u = f + u * ( l - f );
+
+ col1 = col2 = getColumn( myParamToColumnMap, u );
+ if ( ++col2 == myParamToColumnMap->end() ) {
+ --col2;
+ r = 0.5;
+ }
+ else {
+// if ( !myIsForward )
+// std::swap( col1, col2 );
+ double uf = col1->first;
+ double ul = col2->first;
+ r = ( u - uf ) / ( ul - uf );
+ }
+ return r;
+}
+
+//================================================================================
+/*!
+ * \brief Return coordinates by normalized params
+ * \param U - horizontal param
+ * \param V - vertical param
+ * \retval gp_Pnt - result point
+ */
+//================================================================================
+
+gp_Pnt StdMeshers_PrismAsBlock::TSideFace::Value(const Standard_Real U,
+ const Standard_Real V) const
+{
+ double u;
+ if ( !myComponents.empty() ) {
+ TSideFace * comp = GetComponent(U,u);
+ return comp->Value( u, V );
+ }
+
+ TParam2ColumnIt u_col1, u_col2;
+ double vR, hR = GetColumns( U, u_col1, u_col2 );
+
+ const SMDS_MeshNode* n1 = 0;
+ const SMDS_MeshNode* n2 = 0;
+ const SMDS_MeshNode* n3 = 0;
+ const SMDS_MeshNode* n4 = 0;
+ gp_XYZ pnt;
+
+ vR = getRAndNodes( & u_col1->second, V, n1, n2 );
+ vR = getRAndNodes( & u_col2->second, V, n3, n4 );
+
+ gp_XY uv1 = myHelper->GetNodeUV( mySurface.Face(), n1, n4);
+ gp_XY uv2 = myHelper->GetNodeUV( mySurface.Face(), n2, n3);
+ gp_XY uv12 = uv1 * ( 1 - vR ) + uv2 * vR;
+
+ gp_XY uv3 = myHelper->GetNodeUV( mySurface.Face(), n3, n2);
+ gp_XY uv4 = myHelper->GetNodeUV( mySurface.Face(), n4, n1);
+ gp_XY uv34 = uv3 * ( 1 - vR ) + uv4 * vR;
+
+ gp_XY uv = uv12 * ( 1 - hR ) + uv34 * hR;
+
+ return mySurface.Value( uv.X(), uv.Y() );
+}
+
+
+//================================================================================
+/*!
+ * \brief Return boundary edge
+ * \param edge - edge index
+ * \retval TopoDS_Edge - found edge
+ */
+//================================================================================
+
+TopoDS_Edge StdMeshers_PrismAsBlock::TSideFace::GetEdge(const int iEdge) const
+{
+ if ( !myComponents.empty() ) {
+ switch ( iEdge ) {
+ case V0_EDGE : return myComponents.front()->GetEdge( iEdge );
+ case V1_EDGE : return myComponents.back() ->GetEdge( iEdge );
+ default: return TopoDS_Edge();
+ }
+ }
+ TopoDS_Shape edge;
+ const SMDS_MeshNode* node = 0;
+ SMESHDS_Mesh * meshDS = myHelper->GetMesh()->GetMeshDS();
+ TNodeColumn* column;
+
+ switch ( iEdge ) {
+ case TOP_EDGE:
+ case BOTTOM_EDGE:
+ column = & (( ++myParamToColumnMap->begin())->second );
+ node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
+ edge = myHelper->GetSubShapeByNode ( node, meshDS );
+ if ( edge.ShapeType() == TopAbs_VERTEX ) {
+ column = & ( myParamToColumnMap->begin()->second );
+ node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
+ }
+ break;
+ case V0_EDGE:
+ case V1_EDGE: {
+ bool back = ( iEdge == V1_EDGE );
+ if ( !myIsForward ) back = !back;
+ if ( back )
+ column = & ( myParamToColumnMap->rbegin()->second );
+ else
+ column = & ( myParamToColumnMap->begin()->second );
+ if ( column->size() > 0 )
+ edge = myHelper->GetSubShapeByNode( (*column)[ 1 ], meshDS );
+ if ( edge.IsNull() || edge.ShapeType() == TopAbs_VERTEX )
+ node = column->front();
+ break;
+ }
+ default:;
+ }
+ if ( !edge.IsNull() && edge.ShapeType() == TopAbs_EDGE )
+ return TopoDS::Edge( edge );
+
+ // find edge by 2 vertices
+ TopoDS_Shape V1 = edge;
+ TopoDS_Shape V2 = myHelper->GetSubShapeByNode( node, meshDS );
+ if ( V2.ShapeType() == TopAbs_VERTEX && !V2.IsSame( V1 ))
+ {
+ TopTools_ListIteratorOfListOfShape ancestIt =
+ myHelper->GetMesh()->GetAncestors( V1 );
+ for ( ; ancestIt.More(); ancestIt.Next() )
+ {
+ const TopoDS_Shape & ancestor = ancestIt.Value();
+ if ( ancestor.ShapeType() == TopAbs_EDGE )
+ for ( TopExp_Explorer e( ancestor, TopAbs_VERTEX ); e.More(); e.Next() )
+ if ( V2.IsSame( e.Current() ))
+ return TopoDS::Edge( ancestor );
+ }
+ }
+ return TopoDS_Edge();
+}
+
+//================================================================================
+/*!
+ * \brief Fill block subshapes
+ * \param shapeMap - map to fill in
+ * \retval int - nb inserted subshapes
+ */
+//================================================================================
+
+int StdMeshers_PrismAsBlock::TSideFace::InsertSubShapes(TBlockShapes& shapeMap) const
+{
+ int nbInserted = 0;
+
+ // Insert edges
+ vector< int > edgeIdVec;
+ SMESH_Block::GetFaceEdgesIDs( myID, edgeIdVec );
+
+ for ( int i = BOTTOM_EDGE; i <=V1_EDGE ; ++i ) {
+ TopoDS_Edge e = GetEdge( i );
+ if ( !e.IsNull() ) {
+ nbInserted += SMESH_Block::Insert( e, edgeIdVec[ i ], shapeMap);
+ }
+ }
+
+ // Insert corner vertices
+
+ TParam2ColumnIt col1, col2 ;
+ vector< int > vertIdVec;
+
+ // from V0 column
+ SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V0_EDGE ], vertIdVec);
+ GetColumns(0, col1, col2 );
+ const SMDS_MeshNode* node0 = col1->second.front();
+ const SMDS_MeshNode* node1 = col1->second.back();
+ TopoDS_Shape v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
+ TopoDS_Shape v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
+ if ( v0.ShapeType() == TopAbs_VERTEX ) {
+ nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
+ }
+ if ( v1.ShapeType() == TopAbs_VERTEX ) {
+ nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
+ }
+
+ // from V1 column
+ SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V1_EDGE ], vertIdVec);
+ GetColumns(1, col1, col2 );
+ node0 = col2->second.front();
+ node1 = col2->second.back();
+ v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
+ v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
+ if ( v0.ShapeType() == TopAbs_VERTEX ) {
+ nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
+ }
+ if ( v1.ShapeType() == TopAbs_VERTEX ) {
+ nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
+ }
+
+// TopoDS_Vertex V0, V1, Vcom;
+// TopExp::Vertices( myBaseEdge, V0, V1, true );
+// if ( !myIsForward ) std::swap( V0, V1 );
+
+// // bottom vertex IDs
+// SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ _u0 ], vertIdVec);
+// SMESH_Block::Insert( V0, vertIdVec[ 0 ], shapeMap);
+// SMESH_Block::Insert( V1, vertIdVec[ 1 ], shapeMap);
+
+// TopoDS_Edge sideEdge = GetEdge( V0_EDGE );
+// if ( sideEdge.IsNull() || !TopExp::CommonVertex( botEdge, sideEdge, Vcom ))
+// return false;
+
+// // insert one side edge
+// int edgeID;
+// if ( Vcom.IsSame( V0 )) edgeID = edgeIdVec[ _v0 ];
+// else edgeID = edgeIdVec[ _v1 ];
+// SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
+
+// // top vertex of the side edge
+// SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec);
+// TopoDS_Vertex Vtop = TopExp::FirstVertex( sideEdge );
+// if ( Vcom.IsSame( Vtop ))
+// Vtop = TopExp::LastVertex( sideEdge );
+// SMESH_Block::Insert( Vtop, vertIdVec[ 1 ], shapeMap);
+
+// // other side edge
+// sideEdge = GetEdge( V1_EDGE );
+// if ( sideEdge.IsNull() )
+// return false;
+// if ( edgeID = edgeIdVec[ _v1 ]) edgeID = edgeIdVec[ _v0 ];
+// else edgeID = edgeIdVec[ _v1 ];
+// SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
+
+// // top edge
+// TopoDS_Edge topEdge = GetEdge( TOP_EDGE );
+// SMESH_Block::Insert( topEdge, edgeIdVec[ _u1 ], shapeMap);
+
+// // top vertex of the other side edge
+// if ( !TopExp::CommonVertex( topEdge, sideEdge, Vcom ))
+// return false;
+// SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec );
+// SMESH_Block::Insert( Vcom, vertIdVec[ 1 ], shapeMap);
+
+ return nbInserted;
+}
+
+//================================================================================
+/*!
+ * \brief Creates TVerticalEdgeAdaptor
+ * \param columnsMap - node column map
+ * \param parameter - normalized parameter
+ */
+//================================================================================
+
+StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::
+TVerticalEdgeAdaptor( const TParam2ColumnMap* columnsMap, const double parameter)
+{
+ myNodeColumn = & getColumn( columnsMap, parameter )->second;
+}
+
+//================================================================================
+/*!
+ * \brief Return coordinates for the given normalized parameter
+ * \param U - normalized parameter
+ * \retval gp_Pnt - coordinates
+ */
+//================================================================================
+
+gp_Pnt StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::Value(const Standard_Real U) const
+{
+ const SMDS_MeshNode* n1;
+ const SMDS_MeshNode* n2;
+ double r = getRAndNodes( myNodeColumn, U, n1, n2 );
+ return gpXYZ(n1) * ( 1 - r ) + gpXYZ(n2) * r;
+}
+
+//================================================================================
+/*!
+ * \brief Return coordinates for the given normalized parameter
+ * \param U - normalized parameter
+ * \retval gp_Pnt - coordinates
+ */
+//================================================================================
+
+gp_Pnt StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::Value(const Standard_Real U) const
+{
+ return mySide->TSideFace::Value( U, myV );
+}
+
+//================================================================================
+/*!
+ * \brief Return UV on pcurve for the given normalized parameter
+ * \param U - normalized parameter
+ * \retval gp_Pnt - coordinates
+ */
+//================================================================================
+
+gp_Pnt2d StdMeshers_PrismAsBlock::TPCurveOnHorFaceAdaptor::Value(const Standard_Real U) const
+{
+ TParam2ColumnIt u_col1, u_col2;
+ double r = mySide->GetColumns( U, u_col1, u_col2 );
+ gp_XY uv1 = mySide->GetNodeUV( myFace, u_col1->second[ myZ ]);
+ gp_XY uv2 = mySide->GetNodeUV( myFace, u_col2->second[ myZ ]);
+ return uv1 * ( 1 - r ) + uv2 * r;
+}
