+++ /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_CompositeHexa_3D.cxx
-// Module : SMESH
-// Created : Tue Nov 25 11:04:59 2008
-// Author : Edward AGAPOV (eap)
-
-#include "StdMeshers_CompositeHexa_3D.hxx"
-
-#include "SMDS_Mesh.hxx"
-#include "SMDS_MeshNode.hxx"
-#include "SMDS_SetIterator.hxx"
-#include "SMESH_Block.hxx"
-#include "SMESH_Comment.hxx"
-#include "SMESH_ComputeError.hxx"
-#include "SMESH_Mesh.hxx"
-#include "SMESH_MeshEditor.hxx"
-#include "SMESH_MesherHelper.hxx"
-#include "SMESH_subMesh.hxx"
-
-#include <BRepAdaptor_Surface.hxx>
-#include <BRep_Tool.hxx>
-#include <Standard_ErrorHandler.hxx>
-#include <Standard_Failure.hxx>
-#include <TopExp_Explorer.hxx>
-#include <TopTools_MapIteratorOfMapOfShape.hxx>
-#include <TopTools_MapOfShape.hxx>
-#include <TopoDS.hxx>
-#include <TopoDS_Edge.hxx>
-#include <TopoDS_Face.hxx>
-#include <TopoDS_Vertex.hxx>
-#include <gp_Pnt.hxx>
-#include <gp_Pnt2d.hxx>
-#include <gp_Vec.hxx>
-#include <gp_XYZ.hxx>
-
-#include <list>
-#include <set>
-#include <vector>
-
-
-#ifdef _DEBUG_
-
-// #define DEB_FACES
-// #define DEB_GRID
-#define DUMP_VERT(msg,V) \
-// { TopoDS_Vertex v = V; gp_Pnt p = BRep_Tool::Pnt(v);\
-// cout << msg << "( "<< p.X()<<", "<<p.Y()<<", "<<p.Z()<<" )"<<endl;}
-
-#else
-
-#define DUMP_VERT(msg,v)
-
-#endif
-
-//================================================================================
-// text for message about an internal error
-#define ERR_LI(txt) SMESH_Comment(txt) << ":" << __LINE__
-
-// order corresponds to right order of edges in CASCADE face
-enum EQuadSides{ Q_BOTTOM=0, Q_RIGHT, Q_TOP, Q_LEFT, Q_CHILD, Q_PARENT };
-
-enum EBoxSides{ B_BOTTOM=0, B_RIGHT, B_TOP, B_LEFT, B_FRONT, B_BACK, B_UNDEFINED };
-
-//================================================================================
-/*!
- * \brief Convertor of a pair of integers to a sole index
- */
-struct _Indexer
-{
- int _xSize, _ySize;
- _Indexer( int xSize, int ySize ): _xSize(xSize), _ySize(ySize) {}
- int size() const { return _xSize * _ySize; }
- int operator()(const int x, const int y) const { return y * _xSize + x; }
-};
-
-//================================================================================
-/*!
- * \brief Wrapper of a composite or an ordinary edge.
- */
-class _FaceSide
-{
-public:
- _FaceSide(const _FaceSide& other);
- _FaceSide(const TopoDS_Edge& edge=TopoDS_Edge());
- _FaceSide(const list<TopoDS_Edge>& edges);
- _FaceSide* GetSide(const int i);
- const _FaceSide* GetSide(const int i) const;
- int size() { return myChildren.size(); }
- int NbVertices() const;
- TopoDS_Vertex FirstVertex() const;
- TopoDS_Vertex LastVertex() const;
- TopoDS_Vertex Vertex(int i) const;
- bool Contain( const _FaceSide& side, int* which=0 ) const;
- bool Contain( const TopoDS_Vertex& vertex ) const;
- void AppendSide( const _FaceSide& side );
- void SetBottomSide( int i );
- int GetNbSegments(SMESH_Mesh& mesh) const;
- bool StoreNodes(SMESH_Mesh& mesh, vector<const SMDS_MeshNode*>& myGrid, bool reverse );
- void SetID(EQuadSides id) { myID = id; }
- static inline const TopoDS_TShape* ptr(const TopoDS_Shape& theShape)
- { return theShape.TShape().operator->(); }
- void Dump() const;
-
-private:
-
-
- TopoDS_Edge myEdge;
- list< _FaceSide > myChildren;
- int myNbChildren;
-
- //set<const TopoDS_TShape*> myVertices;
- TopTools_MapOfShape myVertices;
-
- EQuadSides myID; // debug
-};
-//================================================================================
-/*!
- * \brief Class corresponding to a meshed composite face of a box.
- * Provides simplified access to it's sub-mesh data.
- */
-class _QuadFaceGrid
-{
- typedef list< _QuadFaceGrid > TChildren;
-public:
- _QuadFaceGrid();
-
-public: //** Methods to find and orient faces of 6 sides of the box **//
-
- //!< initialization
- bool Init(const TopoDS_Face& f);
-
- //!< try to unite self with other face
- bool AddContinuousFace( const _QuadFaceGrid& f );
-
- //!< Try to set the side as bottom hirizontal side
- bool SetBottomSide(const _FaceSide& side, int* sideIndex=0);
-
- //!< Return face adjacent to i-th side of this face
- _QuadFaceGrid* FindAdjacentForSide(int i, vector<_QuadFaceGrid>& faces) const; // (0<i<4)
-
- //!< Reverse edges in order to have the bottom edge going along axes of the unit box
- void ReverseEdges(/*int e1, int e2*/);
-
- bool IsComplex() const { return !myChildren.empty(); }
-
- typedef SMDS_SetIterator< const _QuadFaceGrid&, TChildren::const_iterator > TChildIterator;
-
- TChildIterator GetChildren() const
- { return TChildIterator( myChildren.begin(), myChildren.end()); }
-
-public: //** Loading and access to mesh **//
-
- //!< Load nodes of a mesh
- bool LoadGrid( SMESH_Mesh& mesh );
-
- //!< Return number of segments on the hirizontal sides
- int GetNbHoriSegments(SMESH_Mesh& mesh, bool withBrothers=false) const;
-
- //!< Return number of segments on the vertical sides
- int GetNbVertSegments(SMESH_Mesh& mesh, bool withBrothers=false) const;
-
- //!< Return a node by its position
- const SMDS_MeshNode* GetNode(int iHori, int iVert) const;
-
- //!< Return node coordinates by its position
- gp_XYZ GetXYZ(int iHori, int iVert) const;
-
-public: //** Access to member fields **//
-
- //!< Return i-th face side (0<i<4)
- const _FaceSide& GetSide(int i) const;
-
- //!< Return it's face, NULL if it is composite
- TopoDS_Face GetFace() const { return myFace; }
-
- //!< Return normal to the face at vertex v
- bool GetNormal( const TopoDS_Vertex& v, gp_Vec& n ) const;
-
- SMESH_ComputeErrorPtr GetError() const { return myError; }
-
- void SetID(EBoxSides id) { myID = id; }
-
- void DumpGrid() const;
-
- void DumpVertices() const;
-
-private:
-
- bool error(std::string& text, int code = COMPERR_ALGO_FAILED)
- { myError = SMESH_ComputeError::New( code, text ); return false; }
-
- bool error(const SMESH_ComputeErrorPtr& err)
- { myError = err; return ( !myError || myError->IsOK() ); }
-
- bool loadCompositeGrid(SMESH_Mesh& mesh);
-
- bool fillGrid(SMESH_Mesh& theMesh,
- vector<const SMDS_MeshNode*> & theGrid,
- const _Indexer& theIndexer,
- int theX,
- int theY);
-
- bool locateChildren();
-
- void setBrothers( set< _QuadFaceGrid* >& notLocatedBrothers );
-
- TopoDS_Face myFace;
- _FaceSide mySides;
- bool myReverse;
-
- TChildren myChildren;
-
- _QuadFaceGrid* myLeftBottomChild;
- _QuadFaceGrid* myRightBrother;
- _QuadFaceGrid* myUpBrother;
-
- _Indexer myIndexer;
- vector<const SMDS_MeshNode*> myGrid;
-
- SMESH_ComputeErrorPtr myError;
-
- EBoxSides myID; // debug
-};
-
-//================================================================================
-/*!
- * \brief Constructor
- */
-//================================================================================
-
-StdMeshers_CompositeHexa_3D::StdMeshers_CompositeHexa_3D(int hypId, int studyId, SMESH_Gen* gen)
- :SMESH_3D_Algo(hypId, studyId, gen)
-{
- _name = "CompositeHexa_3D";
- _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type
-}
-
-//================================================================================
-/*!
- * \brief always return true
- */
-//================================================================================
-
-bool StdMeshers_CompositeHexa_3D::CheckHypothesis(SMESH_Mesh& aMesh,
- const TopoDS_Shape& aShape,
- Hypothesis_Status& aStatus)
-{
- aStatus = HYP_OK;
- return true;
-}
-
-//================================================================================
-/*!
- * \brief Computes hexahedral mesh on a box with composite sides
- * \param aMesh - mesh to compute
- * \param aShape - shape to mesh
- * \retval bool - succes sign
- */
-//================================================================================
-
-bool StdMeshers_CompositeHexa_3D::Compute(SMESH_Mesh& theMesh,
- const TopoDS_Shape& theShape)
-{
- SMESH_MesherHelper helper( theMesh );
- _quadraticMesh = helper.IsQuadraticSubMesh( theShape );
- helper.SetElementsOnShape( true );
-
- // -------------------------
- // Try to find 6 side faces
- // -------------------------
- vector< _QuadFaceGrid > boxFaces; boxFaces.reserve( 6 );
- TopExp_Explorer exp;
- int iFace, nbFaces = 0;
- for ( exp.Init(theShape, TopAbs_FACE); exp.More(); exp.Next(), ++nbFaces )
- {
- _QuadFaceGrid f;
- if ( !f.Init( TopoDS::Face( exp.Current() )))
- return error (COMPERR_BAD_SHAPE);
- bool isContinuous = false;
- for ( int i=0; i < boxFaces.size() && !isContinuous; ++i )
- isContinuous = boxFaces[ i ].AddContinuousFace( f );
- if ( !isContinuous )
- boxFaces.push_back( f );
- }
- // Check what we have
- if ( boxFaces.size() != 6 && nbFaces != 6)
- return error
- (COMPERR_BAD_SHAPE,
- SMESH_Comment("Can't find 6 sides of a box. Number of found sides - ")<<boxFaces.size());
-
- if ( boxFaces.size() != 6 && nbFaces == 6 ) { // strange ordinary box with continuous faces
- boxFaces.resize( 6 );
- iFace = 0;
- for ( exp.Init(theShape, TopAbs_FACE); exp.More(); exp.Next(), ++iFace )
- boxFaces[ iFace ].Init( TopoDS::Face( exp.Current() ) );
- }
- // ----------------------------------------
- // Find out position of faces within a box
- // ----------------------------------------
-
- _QuadFaceGrid *fBottom, *fTop, *fFront, *fBack, *fLeft, *fRight;
- // start from a bottom face
- fBottom = &boxFaces[0];
- // find vertical faces
- fFront = fBottom->FindAdjacentForSide( Q_BOTTOM, boxFaces );
- fLeft = fBottom->FindAdjacentForSide( Q_RIGHT, boxFaces );
- fBack = fBottom->FindAdjacentForSide( Q_TOP, boxFaces );
- fRight = fBottom->FindAdjacentForSide( Q_LEFT, boxFaces );
- // check the found
- if ( !fFront || !fBack || !fLeft || !fRight )
- return error(COMPERR_BAD_SHAPE);
- // top face
- fTop = 0;
- for ( int i=1; i < boxFaces.size() && !fTop; ++i ) {
- fTop = & boxFaces[ i ];
- if ( fTop==fFront || fTop==fLeft || fTop==fBack || fTop==fRight )
- fTop = 0;
- }
- // set bottom of the top side
- if ( !fTop->SetBottomSide( fFront->GetSide( Q_TOP ) )) {
- if ( !fFront->IsComplex() )
- return error( ERR_LI("Error in StdMeshers_CompositeHexa_3D::Compute()"));
- else {
- _QuadFaceGrid::TChildIterator chIt = fFront->GetChildren();
- while ( chIt.more() ) {
- const _QuadFaceGrid& frontChild = chIt.next();
- if ( fTop->SetBottomSide( frontChild.GetSide( Q_TOP )))
- break;
- }
- }
- }
- if ( !fTop )
- return error(COMPERR_BAD_SHAPE);
-
- fBottom->SetID( B_BOTTOM );
- fBack ->SetID( B_BACK );
- fLeft ->SetID( B_LEFT );
- fFront ->SetID( B_FRONT );
- fRight ->SetID( B_RIGHT );
- fTop ->SetID( B_TOP );
-
- // orient bottom egde of faces along axes of the unit box
- fBottom->ReverseEdges();
- fBack ->ReverseEdges();
- fLeft ->ReverseEdges();
-
- // ------------------------------------------
- // Fill columns of nodes with existing nodes
- // ------------------------------------------
-
- // let faces load their grids
- if ( !fBottom->LoadGrid( theMesh )) return error( fBottom->GetError() );
- if ( !fBack ->LoadGrid( theMesh )) return error( fBack ->GetError() );
- if ( !fLeft ->LoadGrid( theMesh )) return error( fLeft ->GetError() );
- if ( !fFront ->LoadGrid( theMesh )) return error( fFront ->GetError() );
- if ( !fRight ->LoadGrid( theMesh )) return error( fRight ->GetError() );
- if ( !fTop ->LoadGrid( theMesh )) return error( fTop ->GetError() );
-
- int x, xSize = fBottom->GetNbHoriSegments(theMesh) + 1, X = xSize - 1;
- int y, ySize = fBottom->GetNbVertSegments(theMesh) + 1, Y = ySize - 1;
- int z, zSize = fFront ->GetNbVertSegments(theMesh) + 1, Z = zSize - 1;
- _Indexer colIndex( xSize, ySize );
- vector< vector< const SMDS_MeshNode* > > columns( colIndex.size() );
-
- // fill node columns by front and back box sides
- for ( x = 0; x < xSize; ++x ) {
- vector< const SMDS_MeshNode* >& column0 = columns[ colIndex( x, 0 )];
- vector< const SMDS_MeshNode* >& column1 = columns[ colIndex( x, Y )];
- column0.resize( zSize );
- column1.resize( zSize );
- for ( z = 0; z < zSize; ++z ) {
- column0[ z ] = fFront->GetNode( x, z );
- column1[ z ] = fBack ->GetNode( x, z );
- }
- }
- // fill node columns by left and right box sides
- for ( y = 1; y < ySize-1; ++y ) {
- vector< const SMDS_MeshNode* >& column0 = columns[ colIndex( 0, y )];
- vector< const SMDS_MeshNode* >& column1 = columns[ colIndex( X, y )];
- column0.resize( zSize );
- column1.resize( zSize );
- for ( z = 0; z < zSize; ++z ) {
- column0[ z ] = fLeft ->GetNode( y, z );
- column1[ z ] = fRight->GetNode( y, z );
- }
- }
- // get nodes from top and bottom box sides
- for ( x = 1; x < xSize-1; ++x ) {
- for ( y = 1; y < ySize-1; ++y ) {
- vector< const SMDS_MeshNode* >& column = columns[ colIndex( x, y )];
- column.resize( zSize );
- column.front() = fBottom->GetNode( x, y );
- column.back() = fTop ->GetNode( x, y );
- }
- }
-
- // ----------------------------
- // Add internal nodes of a box
- // ----------------------------
- // projection points of internal nodes on box subshapes by which
- // coordinates of internal nodes are computed
- vector<gp_XYZ> pointsOnShapes( SMESH_Block::ID_Shell );
-
- // projections on vertices are constant
- pointsOnShapes[ SMESH_Block::ID_V000 ] = fBottom->GetXYZ( 0, 0 );
- pointsOnShapes[ SMESH_Block::ID_V100 ] = fBottom->GetXYZ( X, 0 );
- pointsOnShapes[ SMESH_Block::ID_V010 ] = fBottom->GetXYZ( 0, Y );
- pointsOnShapes[ SMESH_Block::ID_V110 ] = fBottom->GetXYZ( X, Y );
- pointsOnShapes[ SMESH_Block::ID_V001 ] = fTop->GetXYZ( 0, 0 );
- pointsOnShapes[ SMESH_Block::ID_V101 ] = fTop->GetXYZ( X, 0 );
- pointsOnShapes[ SMESH_Block::ID_V011 ] = fTop->GetXYZ( 0, Y );
- pointsOnShapes[ SMESH_Block::ID_V111 ] = fTop->GetXYZ( X, Y );
-
- for ( x = 1; x < xSize-1; ++x )
- {
- gp_XYZ params; // normalized parameters of internal node within a unit box
- params.SetCoord( 1, x / double(X) );
- for ( y = 1; y < ySize-1; ++y )
- {
- params.SetCoord( 2, y / double(Y) );
- // column to fill during z loop
- vector< const SMDS_MeshNode* >& column = columns[ colIndex( x, y )];
- // points projections on horizontal edges
- pointsOnShapes[ SMESH_Block::ID_Ex00 ] = fBottom->GetXYZ( x, 0 );
- pointsOnShapes[ SMESH_Block::ID_Ex10 ] = fBottom->GetXYZ( x, Y );
- pointsOnShapes[ SMESH_Block::ID_E0y0 ] = fBottom->GetXYZ( 0, y );
- pointsOnShapes[ SMESH_Block::ID_E1y0 ] = fBottom->GetXYZ( X, y );
- pointsOnShapes[ SMESH_Block::ID_Ex01 ] = fTop->GetXYZ( x, 0 );
- pointsOnShapes[ SMESH_Block::ID_Ex11 ] = fTop->GetXYZ( x, Y );
- pointsOnShapes[ SMESH_Block::ID_E0y1 ] = fTop->GetXYZ( 0, y );
- pointsOnShapes[ SMESH_Block::ID_E1y1 ] = fTop->GetXYZ( X, y );
- // points projections on horizontal faces
- pointsOnShapes[ SMESH_Block::ID_Fxy0 ] = fBottom->GetXYZ( x, y );
- pointsOnShapes[ SMESH_Block::ID_Fxy1 ] = fTop ->GetXYZ( x, y );
- for ( z = 1; z < zSize-1; ++z ) // z loop
- {
- params.SetCoord( 3, z / double(Z) );
- // point projections on vertical edges
- pointsOnShapes[ SMESH_Block::ID_E00z ] = fFront->GetXYZ( 0, z );
- pointsOnShapes[ SMESH_Block::ID_E10z ] = fFront->GetXYZ( X, z );
- pointsOnShapes[ SMESH_Block::ID_E01z ] = fBack->GetXYZ( 0, z );
- pointsOnShapes[ SMESH_Block::ID_E11z ] = fBack->GetXYZ( X, z );
- // point projections on vertical faces
- pointsOnShapes[ SMESH_Block::ID_Fx0z ] = fFront->GetXYZ( x, z );
- pointsOnShapes[ SMESH_Block::ID_Fx1z ] = fBack ->GetXYZ( x, z );
- pointsOnShapes[ SMESH_Block::ID_F0yz ] = fLeft ->GetXYZ( y, z );
- pointsOnShapes[ SMESH_Block::ID_F1yz ] = fRight->GetXYZ( y, z );
-
- // compute internal node coordinates
- gp_XYZ coords;
- SMESH_Block::ShellPoint( params, pointsOnShapes, coords );
- column[ z ] = helper.AddNode( coords.X(), coords.Y(), coords.Z() );
-
-#ifdef DEB_GRID
- // debug
- //cout << "----------------------------------------------------------------------"<<endl;
- //for ( int id = SMESH_Block::ID_V000; id < SMESH_Block::ID_Shell; ++id)
- //{
- // gp_XYZ p = pointsOnShapes[ id ];
- // SMESH_Block::DumpShapeID( id,cout)<<" ( "<<p.X()<<", "<<p.Y()<<", "<<p.Z()<<" )"<<endl;
- //}
- //cout << "Params: ( "<< params.X()<<", "<<params.Y()<<", "<<params.Z()<<" )"<<endl;
- //cout << "coords: ( "<< coords.X()<<", "<<coords.Y()<<", "<<coords.Z()<<" )"<<endl;
-#endif
- }
- }
- }
- // faces no more needed, free memory
- boxFaces.clear();
-
- // ----------------
- // Add hexahedrons
- // ----------------
- for ( x = 0; x < xSize-1; ++x ) {
- for ( y = 0; y < ySize-1; ++y ) {
- vector< const SMDS_MeshNode* >& col00 = columns[ colIndex( x, y )];
- vector< const SMDS_MeshNode* >& col10 = columns[ colIndex( x+1, y )];
- vector< const SMDS_MeshNode* >& col01 = columns[ colIndex( x, y+1 )];
- vector< const SMDS_MeshNode* >& col11 = columns[ colIndex( x+1, y+1 )];
- for ( z = 0; z < zSize-1; ++z )
- {
- // bottom face normal of a hexa mush point outside the volume
- helper.AddVolume(col00[z], col01[z], col11[z], col10[z],
- col00[z+1], col01[z+1], col11[z+1], col10[z+1]);
- }
- }
- }
- return true;
-}
-
-//================================================================================
-/*!
- * \brief constructor of non-initialized _QuadFaceGrid
- */
-//================================================================================
-
-_QuadFaceGrid::_QuadFaceGrid():
- myReverse(false), myRightBrother(0), myUpBrother(0), myIndexer(0,0), myID(B_UNDEFINED)
-{
-}
-
-//================================================================================
-/*!
- * \brief Initialization
- */
-//================================================================================
-
-bool _QuadFaceGrid::Init(const TopoDS_Face& f)
-{
- myFace = f;
- mySides = _FaceSide();
- myReverse = false;
- myLeftBottomChild = myRightBrother = myUpBrother = 0;
- myChildren.clear();
- myGrid.clear();
- //if ( myFace.Orientation() != TopAbs_FORWARD )
- //myFace.Reverse();
-
- TopoDS_Vertex V;
- list< TopoDS_Edge > edges;
- list< int > nbEdgesInWire;
- int nbWire = SMESH_Block::GetOrderedEdges (myFace, V, edges, nbEdgesInWire);
- if ( nbWire != 1 )
- return false;
-
- list< TopoDS_Edge >::iterator edgeIt = edges.begin();
- if ( nbEdgesInWire.front() == 4 ) // exactly 4 edges
- {
- for ( ; edgeIt != edges.end(); ++edgeIt )
- mySides.AppendSide( _FaceSide( *edgeIt ));
- }
- else if ( nbEdgesInWire.front() > 4 ) { // more than 4 edges - try to unite some
- list< TopoDS_Edge > sideEdges;
- while ( !edges.empty()) {
- sideEdges.clear();
- sideEdges.splice( sideEdges.end(), edges, edges.begin());// edges.front()->sideEdges.back()
- while ( !edges.empty() ) {
- if ( SMESH_Algo::IsContinuous( sideEdges.back(), edges.front() )) {
- sideEdges.splice( sideEdges.end(), edges, edges.begin());
- }
- else if ( SMESH_Algo::IsContinuous( sideEdges.front(), edges.back() )) {
- sideEdges.splice( sideEdges.begin(), edges, --edges.end());
- }
- else {
- break;
- }
- }
- mySides.AppendSide( _FaceSide( sideEdges ));
- }
- }
- if (mySides.size() != 4)
- return false;
-
-#ifdef _DEBUG_
- mySides.GetSide( Q_BOTTOM )->SetID( Q_BOTTOM );
- mySides.GetSide( Q_RIGHT )->SetID( Q_RIGHT );
- mySides.GetSide( Q_TOP )->SetID( Q_TOP );
- mySides.GetSide( Q_LEFT )->SetID( Q_LEFT );
-#endif
-
- return true;
-}
-
-//================================================================================
-/*!
- * \brief Try to unite self with other ordinary face
- */
-//================================================================================
-
-bool _QuadFaceGrid::AddContinuousFace( const _QuadFaceGrid& other )
-{
- for ( int i = 0; i < 4; ++i ) {
- const _FaceSide& otherSide = other.GetSide( i );
- int iMyCommon;
- if ( mySides.Contain( otherSide, &iMyCommon ) ) {
- // check if normals of two faces are collinear at all vertices of a otherSide
- const double angleTol = PI / 180 / 2;
- int iV, nbV = otherSide.NbVertices(), nbCollinear = 0;
- for ( iV = 0; iV < nbV; ++iV )
- {
- TopoDS_Vertex v = otherSide.Vertex( iV );
- gp_Vec n1, n2;
- if ( !GetNormal( v, n1 ) || !other.GetNormal( v, n2 ))
- continue;
- if ( n1 * n2 < 0 )
- n1.Reverse();
- if ( n1.Angle(n2) < angleTol )
- nbCollinear++;
- else
- break;
- }
- if ( nbCollinear > 1 ) { // this face becomes composite if not yet is
- DUMP_VERT("Cont 1", mySides.GetSide(iMyCommon)->FirstVertex());
- DUMP_VERT("Cont 2", mySides.GetSide(iMyCommon)->LastVertex());
- DUMP_VERT("Cont 3", otherSide.FirstVertex());
- DUMP_VERT("Cont 4", otherSide.LastVertex());
- if ( myChildren.empty() ) {
- myChildren.push_back( *this );
- myFace.Nullify();
- }
- myChildren.push_back( other );
- int otherBottomIndex = ( 4 + i - iMyCommon + 2 ) % 4;
- myChildren.back().SetBottomSide( other.GetSide( otherBottomIndex ));
- // collect vertices in mySides
- mySides.AppendSide( other.GetSide(0) );
- mySides.AppendSide( other.GetSide(1) );
- mySides.AppendSide( other.GetSide(2) );
- mySides.AppendSide( other.GetSide(3) );
- return true;
- }
- }
- }
- return false;
-}
-
-//================================================================================
-/*!
- * \brief Try to set the side as bottom hirizontal side
- */
-//================================================================================
-
-bool _QuadFaceGrid::SetBottomSide(const _FaceSide& bottom, int* sideIndex)
-{
- myLeftBottomChild = myRightBrother = myUpBrother = 0;
-
- int myBottomIndex;
- if ( myChildren.empty() )
- {
- if ( mySides.Contain( bottom, &myBottomIndex )) {
- mySides.SetBottomSide( myBottomIndex );
- if ( sideIndex )
- *sideIndex = myBottomIndex;
- return true;
- }
- }
- else
- {
- TChildren::iterator childFace = myChildren.begin(), childEnd = myChildren.end();
- for ( ; childFace != childEnd; ++childFace )
- {
- if ( childFace->SetBottomSide( bottom, &myBottomIndex ))
- {
- TChildren::iterator orientedCild = childFace;
- for ( childFace = myChildren.begin(); childFace != childEnd; ++childFace ) {
- if ( childFace != orientedCild )
- childFace->SetBottomSide( childFace->GetSide( myBottomIndex ));
- }
- if ( sideIndex )
- *sideIndex = myBottomIndex;
- return true;
- }
- }
- }
- return false;
-}
-
-//================================================================================
-/*!
- * \brief Return face adjacent to i-th side of this face, (0<i<4)
- */
-//================================================================================
-
-_QuadFaceGrid* _QuadFaceGrid::FindAdjacentForSide(int i, vector<_QuadFaceGrid>& faces) const
-{
- for ( int iF = 0; iF < faces.size(); ++iF ) {
- _QuadFaceGrid* f = &faces[ iF ];
- if ( f != this && f->SetBottomSide( GetSide( i )))
- return f;
- }
- return (_QuadFaceGrid*) 0;
-}
-
-//================================================================================
-/*!
- * \brief Return i-th side
- */
-//================================================================================
-
-const _FaceSide& _QuadFaceGrid::GetSide(int i) const
-{
- if ( myChildren.empty() )
- return *mySides.GetSide(i);
-
- _QuadFaceGrid* me = const_cast<_QuadFaceGrid*>(this);
- if ( !me->locateChildren() || !myLeftBottomChild )
- return *mySides.GetSide(i);
-
- const _QuadFaceGrid* child = myLeftBottomChild;
- switch ( i ){
- case Q_BOTTOM:
- case Q_LEFT:
- break;
- case Q_RIGHT:
- while ( child->myRightBrother )
- child = child->myRightBrother;
- break;
- case Q_TOP:
- while ( child->myUpBrother )
- child = child->myUpBrother;
- break;
- default: ;
- }
- return child->GetSide( i );
-}
-
-//================================================================================
-/*!
- * \brief Reverse edges in order to have them oriented along axes of the unit box
- */
-//================================================================================
-
-void _QuadFaceGrid::ReverseEdges(/*int e1, int e2*/)
-{
- myReverse = !myReverse;
-
-// #ifdef DEB_FACES
-// if ( !myFace.IsNull() )
-// TopAbs::Print(myFace.Orientation(), cout);
-// #endif
-
- if ( myChildren.empty() )
- {
-// mySides.GetSide( e1 )->Reverse();
-// mySides.GetSide( e2 )->Reverse();
- DumpVertices();
- }
- else
- {
- DumpVertices();
- TChildren::iterator child = myChildren.begin(), childEnd = myChildren.end();
- for ( ; child != childEnd; ++child )
- child->ReverseEdges( /*e1, e2*/ );
- }
-}
-
-//================================================================================
-/*!
- * \brief Load nodes of a mesh
- */
-//================================================================================
-
-bool _QuadFaceGrid::LoadGrid( SMESH_Mesh& mesh )
-{
- if ( !myChildren.empty() )
- {
- // Let child faces load their grids
- TChildren::iterator child = myChildren.begin(), childEnd = myChildren.end();
- for ( ; child != childEnd; ++child ) {
- child->SetID( myID );
- if ( !child->LoadGrid( mesh ) )
- return error( child->GetError() );
- }
- // Fill myGrid with nodes of patches
- return loadCompositeGrid( mesh );
- }
-
- // ---------------------------------------
- // Fill myGrid with nodes bound to myFace
- // ---------------------------------------
-
- if ( !myGrid.empty() )
- return true;
-
- myIndexer._xSize = 1 + mySides.GetSide( Q_BOTTOM )->GetNbSegments( mesh );
- myIndexer._ySize = 1 + mySides.GetSide( Q_LEFT )->GetNbSegments( mesh );
-
- myGrid.resize( myIndexer.size() );
-
- // strore nodes bound to the bottom edge
- mySides.GetSide( Q_BOTTOM )->StoreNodes( mesh, myGrid, myReverse );
-
- // store the rest nodes row by row
-
- SMESHDS_SubMesh* faceSubMesh = mesh.GetSubMesh( myFace )->GetSubMeshDS();
-
- SMDS_MeshNode dummy(0,0,0);
- const SMDS_MeshElement* firstQuad = &dummy;// most left face above the last row of found nodes
-
- int nbFoundNodes = myIndexer._xSize;
- while ( nbFoundNodes != myGrid.size() )
- {
- // first and last nodes of the last filled row of nodes
- const SMDS_MeshNode* n1down = myGrid[ nbFoundNodes - myIndexer._xSize ];
- const SMDS_MeshNode* n2down = myGrid[ nbFoundNodes - myIndexer._xSize + 1];
- const SMDS_MeshNode* n1downLast = myGrid[ nbFoundNodes-1 ];
-
- // find the first face above the row by the first two left nodes
- //
- // n1up n2up
- // o---o
- // | |
- // o---o o o o o
- //n1down n2down
- //
- TIDSortedElemSet emptySet, avoidSet;
- avoidSet.insert( firstQuad );
- firstQuad = SMESH_MeshEditor::FindFaceInSet( n1down, n2down, emptySet, avoidSet);
- if ( firstQuad && !faceSubMesh->Contains( firstQuad )) {
- avoidSet.insert( firstQuad );
- firstQuad = SMESH_MeshEditor::FindFaceInSet( n1down, n2down, emptySet, avoidSet);
- }
- if ( !firstQuad || !faceSubMesh->Contains( firstQuad ))
- return error(ERR_LI("Error in _QuadFaceGrid::LoadGrid()"));
-
- // find the node of quad bound to the left geom edge
- int i2down = firstQuad->GetNodeIndex( n2down );
- const SMDS_MeshNode* n1up = firstQuad->GetNode(( i2down+2 ) % 4 );
- myGrid[ nbFoundNodes++ ] = n1up;
- // the 4-the node of the first quad
- int i1down = firstQuad->GetNodeIndex( n1down );
- const SMDS_MeshNode* n2up = firstQuad->GetNode(( i1down+2 ) % 4 );
- myGrid[ nbFoundNodes++ ] = n2up;
-
- n1down = n2down;
- n1up = n2up;
- const SMDS_MeshElement* quad = firstQuad;
-
- // find the rest nodes by remaining faces above the row
- //
- // n1up
- // o---o--o
- // | | | ->
- // o---o--o o o o
- // n1downLast
- //
- while ( n1down != n1downLast )
- {
- // next face
- avoidSet.clear(); avoidSet.insert( quad );
- quad = SMESH_MeshEditor::FindFaceInSet( n1down, n1up, emptySet, avoidSet );
- if ( !quad || quad->NbNodes() % 4 > 0)
- return error(ERR_LI("Error in _QuadFaceGrid::LoadGrid()"));
-
- // next node
- if ( quad->GetNode( i1down ) != n1down ) // check already found index
- i1down = quad->GetNodeIndex( n1down );
- n2up = quad->GetNode(( i1down+2 ) % 4 );
- myGrid[ nbFoundNodes++ ] = n2up;
-
- n1down = myGrid[ nbFoundNodes - myIndexer._xSize - 1 ];
- n1up = n2up;
- }
- }
-
- DumpGrid(); // debug
-
- return true;
-}
-
-//================================================================================
-/*!
- * \brief Find out mutual location of children: find their right and up brothers
- */
-//================================================================================
-
-bool _QuadFaceGrid::locateChildren()
-{
- if ( myLeftBottomChild )
- return true;
-
- TChildren::iterator child = myChildren.begin(), childEnd = myChildren.end();
-
- // find a child sharing it's first bottom vertex with no other brother
- myLeftBottomChild = 0;
- for ( ; !myLeftBottomChild && child != childEnd; ++child )
- {
- TopoDS_Vertex leftVertex = child->GetSide( Q_BOTTOM ).FirstVertex();
- bool sharedVertex = false;
- TChildren::iterator otherChild = myChildren.begin();
- for ( ; otherChild != childEnd && !sharedVertex; ++otherChild )
- if ( otherChild != child )
- sharedVertex = otherChild->mySides.Contain( leftVertex );
- if ( !sharedVertex ) {
- myLeftBottomChild = & (*child);
- DUMP_VERT("0 left bottom Vertex: ",leftVertex );
- }
- }
- if (!myLeftBottomChild)
- return error(ERR_LI("Error in locateChildren()"));
-
- set< _QuadFaceGrid* > notLocatedChilren;
- for (child = myChildren.begin() ; child != childEnd; ++child )
- notLocatedChilren.insert( & (*child));
-
- // connect myLeftBottomChild to it's right and upper brothers
- notLocatedChilren.erase( myLeftBottomChild );
- myLeftBottomChild->setBrothers( notLocatedChilren );
- if ( !notLocatedChilren.empty() )
- return error(ERR_LI("Error in locateChildren()"));
-
- return true;
-}
-
-//================================================================================
-/*!
- * \brief Fill myGrid with nodes of patches
- */
-//================================================================================
-
-bool _QuadFaceGrid::loadCompositeGrid(SMESH_Mesh& mesh)
-{
- // Find out mutual location of children: find their right and up brothers
- if ( !locateChildren() )
- return false;
-
- // Load nodes according to mutual location of children
-
- // grid size
- myIndexer._xSize = 1 + myLeftBottomChild->GetNbHoriSegments(mesh, /*withBrothers=*/true);
- myIndexer._ySize = 1 + myLeftBottomChild->GetNbVertSegments(mesh, /*withBrothers=*/true);
-
- myGrid.resize( myIndexer.size() );
-
- int fromX = myReverse ? myIndexer._xSize : 0;
- if (!myLeftBottomChild->fillGrid( mesh, myGrid, myIndexer, fromX, 0 ))
- return error( myLeftBottomChild->GetError() );
-
- DumpGrid();
-
- return true;
-}
-
-//================================================================================
-/*!
- * \brief Find right an upper brothers among notLocatedBrothers
- */
-//================================================================================
-
-void _QuadFaceGrid::setBrothers( set< _QuadFaceGrid* >& notLocatedBrothers )
-{
- if ( !notLocatedBrothers.empty() )
- {
- // find right brother
- TopoDS_Vertex rightVertex = GetSide( Q_BOTTOM ).LastVertex();
- DUMP_VERT("1 right bottom Vertex: ",rightVertex );
- set< _QuadFaceGrid* >::iterator brIt, brEnd = notLocatedBrothers.end();
- for ( brIt = notLocatedBrothers.begin(); !myRightBrother && brIt != brEnd; ++brIt )
- {
- _QuadFaceGrid* brother = *brIt;
- TopoDS_Vertex brotherLeftVertex = brother->GetSide( Q_BOTTOM ).FirstVertex();
- DUMP_VERT( "brother left bottom: ", brotherLeftVertex );
- if ( rightVertex.IsSame( brotherLeftVertex )) {
- myRightBrother = brother;
- notLocatedBrothers.erase( myRightBrother );
- }
- }
- // find upper brother
- TopoDS_Vertex upVertex = GetSide( Q_LEFT ).FirstVertex();
- DUMP_VERT("1 left up Vertex: ",upVertex);
- brIt = notLocatedBrothers.begin(), brEnd = notLocatedBrothers.end();
- for ( ; !myUpBrother && brIt != brEnd; ++brIt )
- {
- _QuadFaceGrid* brother = *brIt;
- TopoDS_Vertex brotherLeftVertex = brother->GetSide( Q_BOTTOM ).FirstVertex();
- DUMP_VERT("brother left bottom: ", brotherLeftVertex);
- if ( upVertex.IsSame( brotherLeftVertex )) {
- myUpBrother = brother;
- notLocatedBrothers.erase( myUpBrother );
- }
- }
- // recursive call
- if ( myRightBrother )
- myRightBrother->setBrothers( notLocatedBrothers );
- if ( myUpBrother )
- myUpBrother->setBrothers( notLocatedBrothers );
- }
-}
-
-//================================================================================
-/*!
- * \brief Store nodes of a simple face into grid starting from (x,y) position
- */
-//================================================================================
-
-bool _QuadFaceGrid::fillGrid(SMESH_Mesh& theMesh,
- vector<const SMDS_MeshNode*> & theGrid,
- const _Indexer& theIndexer,
- int theX,
- int theY)
-{
- if ( myGrid.empty() && !LoadGrid( theMesh ))
- return false;
-
- // store my own grid in the global grid
-
- int fromX = myReverse ? theX - myIndexer._xSize: theX;
-
- for ( int i = 0, x = fromX; i < myIndexer._xSize; ++i, ++x )
- for ( int j = 0, y = theY; j < myIndexer._ySize; ++j, ++y )
- theGrid[ theIndexer( x, y )] = myGrid[ myIndexer( i, j )];
-
- // store grids of my right and upper brothers
-
- if ( myRightBrother )
- {
- if ( myReverse )
- fromX += 1;
- else
- fromX += myIndexer._xSize - 1;
- if ( !myRightBrother->fillGrid( theMesh, theGrid, theIndexer, fromX, theY ))
- return error( myRightBrother->GetError() );
- }
- if ( myUpBrother )
- {
- if ( !myUpBrother->fillGrid( theMesh, theGrid, theIndexer,
- theX, theY + myIndexer._ySize - 1))
- return error( myUpBrother->GetError() );
- }
- return true;
-}
-
-//================================================================================
-/*!
- * \brief Return number of segments on the hirizontal sides
- */
-//================================================================================
-
-int _QuadFaceGrid::GetNbHoriSegments(SMESH_Mesh& mesh, bool withBrothers) const
-{
- int nbSegs = 0;
- if ( myLeftBottomChild )
- {
- nbSegs += myLeftBottomChild->GetNbHoriSegments( mesh, true );
- }
- else
- {
- nbSegs = mySides.GetSide( Q_BOTTOM )->GetNbSegments(mesh);
- if ( withBrothers && myRightBrother )
- nbSegs += myRightBrother->GetNbHoriSegments( mesh, withBrothers );
- }
- return nbSegs;
-}
-
-//================================================================================
-/*!
- * \brief Return number of segments on the vertical sides
- */
-//================================================================================
-
-int _QuadFaceGrid::GetNbVertSegments(SMESH_Mesh& mesh, bool withBrothers) const
-{
- int nbSegs = 0;
- if ( myLeftBottomChild )
- {
- nbSegs += myLeftBottomChild->GetNbVertSegments( mesh, true );
- }
- else
- {
- nbSegs = mySides.GetSide( Q_LEFT )->GetNbSegments(mesh);
- if ( withBrothers && myUpBrother )
- nbSegs += myUpBrother->GetNbVertSegments( mesh, withBrothers );
- }
- return nbSegs;
-}
-
-//================================================================================
-/*!
- * \brief Return a node by its position
- */
-//================================================================================
-
-const SMDS_MeshNode* _QuadFaceGrid::GetNode(int iHori, int iVert) const
-{
- return myGrid[ myIndexer( iHori, iVert )];
-}
-
-//================================================================================
-/*!
- * \brief Return node coordinates by its position
- */
-//================================================================================
-
-gp_XYZ _QuadFaceGrid::GetXYZ(int iHori, int iVert) const
-{
- const SMDS_MeshNode* n = myGrid[ myIndexer( iHori, iVert )];
- return gp_XYZ( n->X(), n->Y(), n->Z() );
-}
-
-//================================================================================
-/*!
- * \brief Return normal to the face at vertex v
- */
-//================================================================================
-
-bool _QuadFaceGrid::GetNormal( const TopoDS_Vertex& v, gp_Vec& n ) const
-{
- if ( myChildren.empty() )
- {
- if ( mySides.Contain( v )) {
- try {
- gp_Pnt2d uv = BRep_Tool::Parameters( v, myFace );
- BRepAdaptor_Surface surface( myFace );
- gp_Pnt p; gp_Vec d1u, d1v;
- surface.D1( uv.X(), uv.Y(), p, d1u, d1v );
- n = d1u.Crossed( d1v );
- return true;
- }
- catch (Standard_Failure) {
- return false;
- }
- }
- }
- else
- {
- TChildren::const_iterator child = myChildren.begin(), childEnd = myChildren.end();
- for ( ; child != childEnd; ++child )
- if ( child->GetNormal( v, n ))
- return true;
- }
- return false;
-}
-
-//================================================================================
-/*!
- * \brief Dumps coordinates of grid nodes
- */
-//================================================================================
-
-void _QuadFaceGrid::DumpGrid() const
-{
-#ifdef DEB_GRID
- const char* names[] = { "B_BOTTOM", "B_RIGHT", "B_TOP", "B_LEFT", "B_FRONT", "B_BACK" };
- cout << "****** Face " << names[ myID ] << endl;
-
- if ( myChildren.empty() || !myGrid.empty() )
- {
- cout << "x size: " << myIndexer._xSize << "; y size: " << myIndexer._ySize << endl;
- for ( int y = 0; y < myIndexer._ySize; ++y ) {
- cout << "-- row " << y << endl;
- for ( int x = 0; x < myIndexer._xSize; ++x ) {
- const SMDS_MeshNode* n = myGrid[ myIndexer( x, y ) ];
- cout << x << " ( " << n->X() << ", " << n->Y() << ", " << n->Z() << " )" << endl;
- }
- }
- }
- else
- {
- cout << "Nb children: " << myChildren.size() << endl;
- TChildren::const_iterator child = myChildren.begin(), childEnd = myChildren.end();
- for ( int i=0; child != childEnd; ++child, ++i ) {
- cout << " *** SUBFACE " << i+1 << endl;
- ((_QuadFaceGrid&)(*child)).SetID( myID );
- child->DumpGrid();
- }
- }
-#endif
-}
-
-//================================================================================
-/*!
- * \brief Dump vertices
- */
-//================================================================================
-
-void _QuadFaceGrid::DumpVertices() const
-{
-#ifdef DEB_FACES
- cout << "****** Face ";
- const char* names[] = { "B_BOTTOM", "B_RIGHT", "B_TOP", "B_LEFT", "B_FRONT", "B_BACK" };
- if ( myID >= B_BOTTOM && myID < B_BACK )
- cout << names[ myID ] << endl;
- else
- cout << "UNDEFINED" << endl;
-
- if ( myChildren.empty() )
- {
- for ( int i = 0; i < 4; ++i )
- {
- cout << " Side "; mySides.GetSide( i )->Dump();
- }
- }
- else
- {
- cout << "-- Nb children: " << myChildren.size() << endl;
- TChildren::const_iterator child = myChildren.begin(), childEnd = myChildren.end();
- for ( int i=0; child != childEnd; ++child, ++i ) {
- cout << " *** SUBFACE " << i+1 << endl;
- ((_QuadFaceGrid&)(*child)).SetID( myID );
- child->DumpVertices();
- }
- }
-#endif
-}
-
-//=======================================================================
-//function : _FaceSide
-//purpose : copy constructor
-//=======================================================================
-
-_FaceSide::_FaceSide(const _FaceSide& other)
-{
- myEdge = other.myEdge;
- myChildren = other.myChildren;
- myNbChildren = other.myNbChildren;
- myVertices.Assign( other.myVertices );
- myID = other.myID;
-}
-
-//================================================================================
-/*!
- * \brief Construct a face side of one edge
- */
-//================================================================================
-
-_FaceSide::_FaceSide(const TopoDS_Edge& edge):
- myEdge( edge ), myNbChildren(0)
-{
- if ( !edge.IsNull() )
- for ( TopExp_Explorer exp( edge, TopAbs_VERTEX ); exp.More(); exp.Next() )
- //myVertices.insert( ptr ( exp.Current() ));
- myVertices.Add( exp.Current() );
-}
-
-//================================================================================
-/*!
- * \brief Construct a face side of several edges
- */
-//================================================================================
-
-_FaceSide::_FaceSide(const list<TopoDS_Edge>& edges):
- myNbChildren(0)
-{
- list<TopoDS_Edge>::const_iterator edge = edges.begin(), eEnd = edges.end();
- for ( ; edge != eEnd; ++edge ) {
- myChildren.push_back( _FaceSide( *edge ));
- myNbChildren++;
-// myVertices.insert( myChildren.back().myVertices.begin(),
-// myChildren.back().myVertices.end() );
- myVertices.Add( myChildren.back().FirstVertex() );
- myVertices.Add( myChildren.back().LastVertex() );
- myChildren.back().SetID( Q_CHILD ); // not to splice them
- }
-}
-
-//=======================================================================
-//function : GetSide
-//purpose :
-//=======================================================================
-
-_FaceSide* _FaceSide::GetSide(const int i)
-{
- if ( i >= myNbChildren )
- return 0;
-
- list< _FaceSide >::iterator side = myChildren.begin();
- if ( i )
- std::advance( side, i );
- return & (*side);
-}
-
-//=======================================================================
-//function : GetSide
-//purpose :
-//=======================================================================
-
-const _FaceSide* _FaceSide::GetSide(const int i) const
-{
- return const_cast< _FaceSide* >(this)->GetSide(i);
-}
-
-//=======================================================================
-//function : NbVertices
-//purpose : return nb of vertices in the side
-//=======================================================================
-
-int _FaceSide::NbVertices() const
-{
- if ( myChildren.empty() )
- return myVertices.Extent();
-// return myVertices.size();
-
- return myNbChildren + 1;
-}
-
-//=======================================================================
-//function : FirstVertex
-//purpose :
-//=======================================================================
-
-TopoDS_Vertex _FaceSide::FirstVertex() const
-{
- if ( myChildren.empty() )
- return TopExp::FirstVertex( myEdge, Standard_True );
-
- return myChildren.front().FirstVertex();
-}
-
-//=======================================================================
-//function : LastVertex
-//purpose :
-//=======================================================================
-
-TopoDS_Vertex _FaceSide::LastVertex() const
-{
- if ( myChildren.empty() )
- return TopExp::LastVertex( myEdge, Standard_True );
-
- return myChildren.back().LastVertex();
-}
-
-//=======================================================================
-//function : Vertex
-//purpose :
-//=======================================================================
-
-TopoDS_Vertex _FaceSide::Vertex(int i) const
-{
- if ( myChildren.empty() )
- return i ? LastVertex() : FirstVertex();
-
- if ( i >= myNbChildren )
- return myChildren.back().LastVertex();
-
- return GetSide(i)->FirstVertex();
-}
-
-//=======================================================================
-//function : Contain
-//purpose :
-//=======================================================================
-
-bool _FaceSide::Contain( const _FaceSide& side, int* which ) const
-{
- if ( !which || myChildren.empty() )
- {
- if ( which )
- *which = 0;
- int nbCommon = 0;
-// set<const TopoDS_TShape*>::iterator v, vEnd = side.myVertices.end();
-// for ( v = side.myVertices.begin(); v != vEnd; ++v )
-// nbCommon += ( myVertices.find( *v ) != myVertices.end() );
- TopTools_MapIteratorOfMapOfShape vIt ( side.myVertices );
- for ( ; vIt.More(); vIt.Next() )
- nbCommon += ( myVertices.Contains( vIt.Key() ));
- return (nbCommon > 1);
- }
- list< _FaceSide >::const_iterator mySide = myChildren.begin(), sideEnd = myChildren.end();
- for ( int i = 0; mySide != sideEnd; ++mySide, ++i ) {
- if ( mySide->Contain( side )) {
- *which = i;
- return true;
- }
- }
- return false;
-}
-
-//=======================================================================
-//function : Contain
-//purpose :
-//=======================================================================
-
-bool _FaceSide::Contain( const TopoDS_Vertex& vertex ) const
-{
- return myVertices.Contains( vertex );
-// return myVertices.find( ptr( vertex )) != myVertices.end();
-}
-
-//=======================================================================
-//function : AppendSide
-//purpose :
-//=======================================================================
-
-void _FaceSide::AppendSide( const _FaceSide& side )
-{
- if ( !myEdge.IsNull() )
- {
- myChildren.push_back( *this );
- myNbChildren = 1;
- myEdge.Nullify();
- }
- myChildren.push_back( side );
- myNbChildren++;
- //myVertices.insert( side.myVertices.begin(), side.myVertices.end() );
- TopTools_MapIteratorOfMapOfShape vIt ( side.myVertices );
- for ( ; vIt.More(); vIt.Next() )
- myVertices.Add( vIt.Key() );
-
- myID = Q_PARENT;
- myChildren.back().SetID( EQuadSides( myNbChildren-1 ));
-}
-
-//=======================================================================
-//function : SetBottomSide
-//purpose :
-//=======================================================================
-
-void _FaceSide::SetBottomSide( int i )
-{
- if ( i > 0 && myID == Q_PARENT ) {
- list< _FaceSide >::iterator sideEnd, side = myChildren.begin();
- std::advance( side, i );
- myChildren.splice( myChildren.begin(), myChildren, side, myChildren.end() );
-
- side = myChildren.begin(), sideEnd = myChildren.end();
- for ( int i = 0; side != sideEnd; ++side, ++i ) {
- side->SetID( EQuadSides(i) );
- side->SetBottomSide(i);
- }
- }
-}
-
-//=======================================================================
-//function : GetNbSegments
-//purpose :
-//=======================================================================
-
-int _FaceSide::GetNbSegments(SMESH_Mesh& mesh) const
-{
- int nb = 0;
- if ( myChildren.empty() )
- {
- nb = mesh.GetSubMesh(myEdge)->GetSubMeshDS()->NbElements();
- }
- else
- {
- list< _FaceSide >::const_iterator side = myChildren.begin(), sideEnd = myChildren.end();
- for ( ; side != sideEnd; ++side )
- nb += side->GetNbSegments(mesh);
- }
- return nb;
-}
-
-//=======================================================================
-//function : StoreNodes
-//purpose :
-//=======================================================================
-
-bool _FaceSide::StoreNodes(SMESH_Mesh& mesh,
- vector<const SMDS_MeshNode*>& myGrid,
- bool reverse )
-{
- list< TopoDS_Edge > edges;
- if ( myChildren.empty() )
- {
- edges.push_back( myEdge );
- }
- else
- {
- list< _FaceSide >::const_iterator side = myChildren.begin(), sideEnd = myChildren.end();
- for ( ; side != sideEnd; ++side )
- if ( reverse )
- edges.push_front( side->myEdge );
- else
- edges.push_back ( side->myEdge );
- }
- int nbNodes = 0;
- list< TopoDS_Edge >::iterator edge = edges.begin(), eEnd = edges.end();
- for ( ; edge != eEnd; ++edge )
- {
- map< double, const SMDS_MeshNode* > nodes;
- bool ok = SMESH_Algo::GetSortedNodesOnEdge( mesh.GetMeshDS(),
- *edge,
- /*ignoreMediumNodes=*/true,
- nodes);
- if ( !ok ) return false;
-
- bool forward = ( edge->Orientation() == TopAbs_FORWARD );
- if ( reverse ) forward = !forward;
- if ( forward )
- {
- map< double, const SMDS_MeshNode* >::iterator u_node, nEnd = nodes.end();
- for ( u_node = nodes.begin(); u_node != nEnd; ++u_node )
- myGrid[ nbNodes++ ] = u_node->second;
- }
- else
- {
- map< double, const SMDS_MeshNode* >::reverse_iterator u_node, nEnd = nodes.rend();
- for ( u_node = nodes.rbegin(); u_node != nEnd; ++u_node )
- myGrid[ nbNodes++ ] = u_node->second;
- }
- nbNodes--; // node on vertex present in two adjacent edges
- }
- return nbNodes > 0;
-}
-
-//=======================================================================
-//function : Dump
-//purpose : dump end vertices
-//=======================================================================
-
-void _FaceSide::Dump() const
-{
- if ( myChildren.empty() )
- {
- const char* sideNames[] = { "Q_BOTTOM", "Q_RIGHT", "Q_TOP", "Q_LEFT", "Q_CHILD", "Q_PARENT" };
- if ( myID >= Q_BOTTOM && myID < Q_PARENT )
- cout << sideNames[ myID ] << endl;
- else
- cout << "<UNDEFINED ID>" << endl;
- TopoDS_Vertex f = FirstVertex();
- TopoDS_Vertex l = LastVertex();
- gp_Pnt pf = BRep_Tool::Pnt(f);
- gp_Pnt pl = BRep_Tool::Pnt(l);
- cout << "\t ( "<< ptr( f ) << " - " << ptr( l )<< " )"
- << "\t ( "<< pf.X()<<", "<<pf.Y()<<", "<<pf.Z()<<" ) - "
- << " ( "<< pl.X()<<", "<<pl.Y()<<", "<<pl.Z()<<" )"<<endl;
- }
- else
- {
- list< _FaceSide >::const_iterator side = myChildren.begin(), sideEnd = myChildren.end();
- for ( ; side != sideEnd; ++side ) {
- side->Dump();
- cout << "\t";
- }
- }
-}
