From: eap Date: Thu, 17 Apr 2014 10:04:29 +0000 (+0400) Subject: 22536: EDF 2876 SMESH : Problem with BodyFitting X-Git-Tag: V7_4_0rc1~48 X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=commitdiff_plain;h=9c53b386de848f2e2666762f1b59fb02e8a7c0aa 22536: EDF 2876 SMESH : Problem with BodyFitting fix for a case of cylinder on a box --- diff --git a/src/StdMeshers/StdMeshers_Cartesian_3D.cxx b/src/StdMeshers/StdMeshers_Cartesian_3D.cxx index f52eea0ee..f7516247a 100644 --- a/src/StdMeshers/StdMeshers_Cartesian_3D.cxx +++ b/src/StdMeshers/StdMeshers_Cartesian_3D.cxx @@ -45,6 +45,7 @@ #include #include #include +#include #include #include #include @@ -87,7 +88,7 @@ #include -// #undef WITH_TBB +//#undef WITH_TBB #ifdef WITH_TBB #include //#include @@ -452,8 +453,6 @@ namespace :_node(n), _intPoint(ip), _usedInFace(0) {} const SMDS_MeshNode* Node() const { return ( _intPoint && _intPoint->_node ) ? _intPoint->_node : _node; } - //const F_IntersectPoint* FaceIntPnt() const - //{ return static_cast< const F_IntersectPoint* >( _intPoint ); } const E_IntersectPoint* EdgeIntPnt() const { return static_cast< const E_IntersectPoint* >( _intPoint ); } bool IsUsedInFace( const _Face* polygon = 0 ) @@ -473,12 +472,12 @@ namespace _intPoint->Add( ip->_faceIDs ); } } - int IsLinked( const B_IntersectPoint* other, - int avoidFace=-1 ) const // returns id of a common face + TGeomID IsLinked( const B_IntersectPoint* other, + TGeomID avoidFace=-1 ) const // returns id of a common face { return _intPoint ? _intPoint->HasCommonFace( other, avoidFace ) : 0; } - bool IsOnFace( int faceID ) const // returns true if faceID is found + bool IsOnFace( TGeomID faceID ) const // returns true if faceID is found { return _intPoint ? _intPoint->IsOnFace( faceID ) : false; } @@ -491,6 +490,12 @@ namespace return eip->_point; return gp_Pnt( 1e100, 0, 0 ); } + TGeomID ShapeID() const + { + if ( const E_IntersectPoint* eip = dynamic_cast< const E_IntersectPoint* >( _intPoint )) + return eip->_shapeID; + return 0; + } }; // -------------------------------------------------------------------------------- struct _Link // link connecting two _Node's @@ -577,11 +582,29 @@ namespace vector< _OrientedLink > _links; // links on GridLine's vector< _Link > _polyLinks; // links added to close a polygonal face vector< _Node* > _eIntNodes; // nodes at intersection with EDGEs - bool isPolyLink( const _OrientedLink& ol ) + bool IsPolyLink( const _OrientedLink& ol ) { return _polyLinks.empty() ? false : ( &_polyLinks[0] <= ol._link && ol._link <= &_polyLinks.back() ); } + void AddPolyLink(_Node* n0, _Node* n1, _Face* faceToFindEqual=0) + { + if ( faceToFindEqual && faceToFindEqual != this ) { + for ( size_t iL = 0; iL < faceToFindEqual->_polyLinks.size(); ++iL ) + if ( faceToFindEqual->_polyLinks[iL]._nodes[0] == n1 && + faceToFindEqual->_polyLinks[iL]._nodes[1] == n0 ) + { + _links.push_back + ( _OrientedLink( & faceToFindEqual->_polyLinks[iL], /*reverse=*/true )); + return; + } + } + _Link l; + l._nodes[0] = n0; + l._nodes[1] = n1; + _polyLinks.push_back( l ); + _links.push_back( _OrientedLink( &_polyLinks.back() )); + } }; // -------------------------------------------------------------------------------- struct _volumeDef // holder of nodes of a volume mesh element @@ -592,6 +615,8 @@ namespace void set( const vector< _Node* >& nodes, const vector< int >& quant = vector< int >() ) { _nodes = nodes; _quantities = quant; } + void set( _Node** nodes, int nb ) + { _nodes.assign( nodes, nodes + nb ); } }; // topology of a hexahedron @@ -645,8 +670,15 @@ namespace int ijk[], int dIJK[] ); bool findChain( _Node* n1, _Node* n2, _Face& quad, vector<_Node*>& chainNodes ); bool closePolygon( _Face* polygon, vector<_Node*>& chainNodes ) const; + bool findChainOnEdge( const vector< _OrientedLink >& splits, + const _OrientedLink& prevSplit, + const _OrientedLink& avoidSplit, + size_t & iS, + _Face& quad, + vector<_Node*>& chn); int addElements(SMESH_MesherHelper& helper); - bool is1stNodeOut( _Link& link ) const; + bool isOutPoint( _Link& link, int iP, SMESH_MesherHelper& helper ) const; + void sortVertexNodes(vector<_Node*>& nodes, _Node* curNode, TGeomID face); bool isInHole() const; bool checkPolyhedronSize() const; bool addHexa (); @@ -654,7 +686,7 @@ namespace bool addPenta(); bool addPyra (); bool debugDumpLink( _Link* link ); - _Node* FindEqualNode( vector< _Node* >& nodes, + _Node* findEqualNode( vector< _Node* >& nodes, const E_IntersectPoint* ip, const double tol2 ) { @@ -664,6 +696,8 @@ namespace return nodes[i]; return 0; } + bool isImplementEdges() const { return !_grid->_edgeIntP.empty(); } + bool isOutParam(const double uvw[3]) const; }; #ifdef WITH_TBB @@ -674,12 +708,11 @@ namespace struct ParallelHexahedron { vector< Hexahedron* >& _hexVec; - vector& _index; - ParallelHexahedron( vector< Hexahedron* >& hv, vector& ind): _hexVec(hv), _index(ind) {} + ParallelHexahedron( vector< Hexahedron* >& hv ): _hexVec(hv) {} void operator() ( const tbb::blocked_range& r ) const { for ( size_t i = r.begin(); i != r.end(); ++i ) - if ( Hexahedron* hex = _hexVec[ _index[i]] ) + if ( Hexahedron* hex = _hexVec[ i ] ) hex->ComputeElements(); } }; @@ -1205,7 +1238,7 @@ namespace /* * Intersect a line with a plane */ - void FaceLineIntersector::IntersectWithPlane (const GridLine& gridLine) + void FaceLineIntersector::IntersectWithPlane(const GridLine& gridLine) { IntAna_IntConicQuad linPlane( gridLine._line, _plane, Precision::Angular()); _w = linPlane.ParamOnConic(1); @@ -1524,7 +1557,7 @@ namespace } } } - + //================================================================================ /*! * \brief Initializes its data by given grid cell @@ -1543,7 +1576,6 @@ namespace _nbCornerNodes += bool( _hexNodes[iN]._node ); _nbBndNodes += bool( _hexNodes[iN]._intPoint ); } - _sideLength[0] = _grid->_coords[0][i+1] - _grid->_coords[0][i]; _sideLength[1] = _grid->_coords[1][j+1] - _grid->_coords[1][j]; _sideLength[2] = _grid->_coords[2][k+1] - _grid->_coords[2][k]; @@ -1556,8 +1588,11 @@ namespace { _intNodes.reserve( 3 * _nbBndNodes + _nbFaceIntNodes + _eIntPoints.size() ); - _Link split; + // this method can be called in parallel, so use own helper + SMESH_MesherHelper helper( *_grid->_helper->GetMesh() ); + // create sub-links (_splits) by splitting links with _fIntPoints + _Link split; for ( int iLink = 0; iLink < 12; ++iLink ) { _Link& link = _hexLinks[ iLink ]; @@ -1570,11 +1605,12 @@ namespace link._splits.clear(); split._nodes[ 0 ] = link._nodes[0]; - bool isOut = ( ! link._nodes[0]->Node() ); // is1stNodeOut( iLink ); + bool isOut = ( ! link._nodes[0]->Node() ); bool checkTransition; for ( size_t i = 0; i < link._fIntNodes.size(); ++i ) { - if ( link._fIntNodes[i]->Node() ) // intersection non-coinsident with a grid node + const bool isGridNode = ( ! link._fIntNodes[i]->Node() ); + if ( !isGridNode ) // intersection non-coincident with a grid node { if ( split._nodes[ 0 ]->Node() && !isOut ) { @@ -1584,21 +1620,21 @@ namespace split._nodes[ 0 ] = link._fIntNodes[i]; checkTransition = true; } - else // FACE intersection coinsident with a grid node + else // FACE intersection coincident with a grid node (at link ends) { - checkTransition = ( link._nodes[0]->Node() ); + checkTransition = ( i == 0 && link._nodes[0]->Node() ); } if ( checkTransition ) { - switch ( link._fIntPoints[i]->_transition ) { - case Trans_OUT: isOut = true; break; - case Trans_IN : isOut = false; break; - default: - if ( !link._fIntNodes[i]->Node() && i == 0 ) - isOut = is1stNodeOut( link ); - else - ; // isOut remains the same - } + if ( link._fIntPoints[i]->_faceIDs.size() > 1 || _eIntPoints.size() > 0 ) + isOut = isOutPoint( link, i, helper ); + else + switch ( link._fIntPoints[i]->_transition ) { + case Trans_OUT: isOut = true; break; + case Trans_IN : isOut = false; break; + default: + isOut = isOutPoint( link, i, helper ); + } } } if ( link._nodes[ 1 ]->Node() && split._nodes[ 0 ]->Node() && !isOut ) @@ -1621,7 +1657,7 @@ namespace case 1: // in a _Face { _Face& quad = _hexQuads[ facets[0] - SMESH_Block::ID_FirstF ]; - equalNode = FindEqualNode( quad._eIntNodes, _eIntPoints[ iP ], tol2 ); + equalNode = findEqualNode( quad._eIntNodes, _eIntPoints[ iP ], tol2 ); if ( equalNode ) { equalNode->Add( _eIntPoints[ iP ] ); } @@ -1636,7 +1672,7 @@ namespace _Link& link = _hexLinks[ subEntity - SMESH_Block::ID_FirstE ]; if ( link._splits.size() > 0 ) { - equalNode = FindEqualNode( link._fIntNodes, _eIntPoints[ iP ], tol2 ); + equalNode = findEqualNode( link._fIntNodes, _eIntPoints[ iP ], tol2 ); if ( equalNode ) equalNode->Add( _eIntPoints[ iP ] ); } @@ -1646,7 +1682,7 @@ namespace for ( int iF = 0; iF < 2; ++iF ) { _Face& quad = _hexQuads[ facets[iF] - SMESH_Block::ID_FirstF ]; - equalNode = FindEqualNode( quad._eIntNodes, _eIntPoints[ iP ], tol2 ); + equalNode = findEqualNode( quad._eIntNodes, _eIntPoints[ iP ], tol2 ); if ( equalNode ) { equalNode->Add( _eIntPoints[ iP ] ); } @@ -1671,7 +1707,7 @@ namespace for ( int iF = 0; iF < 3; ++iF ) { _Face& quad = _hexQuads[ facets[iF] - SMESH_Block::ID_FirstF ]; - equalNode = FindEqualNode( quad._eIntNodes, _eIntPoints[ iP ], tol2 ); + equalNode = findEqualNode( quad._eIntNodes, _eIntPoints[ iP ], tol2 ); if ( equalNode ) { equalNode->Add( _eIntPoints[ iP ] ); } @@ -1687,11 +1723,11 @@ namespace if ( nbFacets == 0 || _grid->_shapes( _eIntPoints[ iP ]->_shapeID ).ShapeType() == TopAbs_VERTEX ) { - equalNode = FindEqualNode( _vIntNodes, _eIntPoints[ iP ], tol2 ); + equalNode = findEqualNode( _vIntNodes, _eIntPoints[ iP ], tol2 ); if ( equalNode ) { equalNode->Add( _eIntPoints[ iP ] ); } - else { + else if ( nbFacets == 0 ) { if ( _intNodes.empty() || _intNodes.back().EdgeIntPnt() != _eIntPoints[ iP ]) _intNodes.push_back( _Node( 0, _eIntPoints[ iP ])); _vIntNodes.push_back( & _intNodes.back() ); @@ -1752,9 +1788,8 @@ namespace // Create polygons from quadrangles // -------------------------------- - _Link polyLink; vector< _OrientedLink > splits; - vector<_Node*> chainNodes, usedEdgeNodes; + vector<_Node*> chainNodes; _Face* coplanarPolyg; bool hasEdgeIntersections = !_eIntPoints.empty(); @@ -1776,7 +1811,10 @@ namespace // polygon's boundary closed int nbSplits = splits.size(); - if ( nbSplits < 2 && quad._eIntNodes.empty() ) + if (( nbSplits == 1 ) && + ( quad._eIntNodes.empty() || + splits[0].FirstNode()->IsLinked( splits[0].LastNode()->_intPoint ))) + //( quad._eIntNodes.empty() || _nbCornerNodes + nbIntersections > 6 )) nbSplits = 0; #ifdef _DEBUG_ @@ -1785,6 +1823,7 @@ namespace quad._eIntNodes[ iP ]->_usedInFace = 0; #endif int nbUsedEdgeNodes = 0; + _Face* prevPolyg = 0; // polygon previously created from this quad while ( nbSplits > 0 ) { @@ -1810,7 +1849,21 @@ namespace if ( !split ) continue; n1 = split.FirstNode(); - if ( n1 != n2 ) + if ( n1 == n2 && + n1->_intPoint && + n1->_intPoint->_faceIDs.size() > 1 ) + { + // n1 is at intersection with EDGE + if ( findChainOnEdge( splits, polygon->_links.back(), split, iS, quad, chainNodes )) + { + for ( size_t i = 1; i < chainNodes.size(); ++i ) + polygon->AddPolyLink( chainNodes[i-1], chainNodes[i], prevPolyg ); + prevPolyg = polygon; + n2 = chainNodes.back(); + continue; + } + } + else if ( n1 != n2 ) { // try to connect to intersections with EDGEs if ( quad._eIntNodes.size() > nbUsedEdgeNodes && @@ -1818,11 +1871,8 @@ namespace { for ( size_t i = 1; i < chainNodes.size(); ++i ) { - polyLink._nodes[0] = chainNodes[i-1]; - polyLink._nodes[1] = chainNodes[i]; - polygon->_polyLinks.push_back( polyLink ); - polygon->_links.push_back( _OrientedLink( &polygon->_polyLinks.back() )); - nbUsedEdgeNodes += ( polyLink._nodes[1]->IsUsedInFace( polygon )); + polygon->AddPolyLink( chainNodes[i-1], chainNodes[i] ); + nbUsedEdgeNodes += ( chainNodes[i]->IsUsedInFace( polygon )); } if ( chainNodes.back() != n1 ) { @@ -1839,10 +1889,6 @@ namespace if (( foundSplit = splits[ i ]) && ( n2->IsLinked( foundSplit.FirstNode()->_intPoint ))) { - polyLink._nodes[0] = n2; - polyLink._nodes[1] = foundSplit.FirstNode(); - polygon->_polyLinks.push_back( polyLink ); - polygon->_links.push_back( _OrientedLink( &polygon->_polyLinks.back() )); iS = i - 1; } else @@ -1851,20 +1897,22 @@ namespace } if ( foundSplit ) { - n2 = foundSplit.FirstNode(); + if ( n2 != foundSplit.FirstNode() ) + { + polygon->AddPolyLink( n2, foundSplit.FirstNode() ); + n2 = foundSplit.FirstNode(); + } continue; } else { if ( n2->IsLinked( nFirst->_intPoint )) break; - polyLink._nodes[0] = n2; - polyLink._nodes[1] = n1; - polygon->_polyLinks.push_back( polyLink ); - polygon->_links.push_back( _OrientedLink( &polygon->_polyLinks.back() )); + polygon->AddPolyLink( n2, n1, prevPolyg ); } } - } + } // if ( n1 != n2 ) + polygon->_links.push_back( split ); split._link = 0; --nbSplits; @@ -1877,15 +1925,13 @@ namespace if ( !findChain( n2, nFirst, quad, chainNodes )) { if ( !closePolygon( polygon, chainNodes )) - chainNodes.push_back( nFirst ); + if ( !isImplementEdges() ) + chainNodes.push_back( nFirst ); } for ( size_t i = 1; i < chainNodes.size(); ++i ) { - polyLink._nodes[0] = chainNodes[i-1]; - polyLink._nodes[1] = chainNodes[i]; - polygon->_polyLinks.push_back( polyLink ); - polygon->_links.push_back( _OrientedLink( &polygon->_polyLinks.back() )); - nbUsedEdgeNodes += bool( polyLink._nodes[1]->IsUsedInFace( polygon )); + polygon->AddPolyLink( chainNodes[i-1], chainNodes[i], prevPolyg ); + nbUsedEdgeNodes += bool( chainNodes[i]->IsUsedInFace( polygon )); } } @@ -1896,26 +1942,9 @@ namespace } } // while ( nbSplits > 0 ) - // if ( quad._eIntNodes.size() > nbUsedEdgeNodes ) - // { - // // make _vIntNodes from not used _eIntNodes - // const double tol = 0.05 * Min( Min( _sideLength[0], _sideLength[1] ), _sideLength[0] ); - // for ( size_t iP = 0; iP < quad._eIntNodes.size(); ++iP ) - // { - // if ( quad._eIntNodes[ iP ]->IsUsedInFace() ) continue; - // _Node* equalNode = - // FindEqualNode( _vIntNodes, quad._eIntNodes[ iP ].EdgeIntPnt(), tol*tol ); - // if ( equalNode ) - // equalNode->Add( quad._eIntNodes[ iP ].EdgeIntPnt() ); - // else - // _vIntNodes.push_back( quad._eIntNodes[ iP ]); - // } - // } - if ( polygon->_links.size() < 3 ) { _polygons.pop_back(); - //usedEdgeNodes.resize( usedEdgeNodes.size() - nbUsedEdgeNodes ); } } // loop on 6 hexahedron sides @@ -1944,13 +1973,10 @@ namespace _Face& polygon = _polygons[ iP ]; for ( size_t iL = 0; iL < polygon._links.size(); ++iL ) if ( polygon._links[ iL ].NbFaces() < 2 ) - { freeLinks.push_back( & polygon._links[ iL ]); - freeLinks.back()->FirstNode()->IsUsedInFace() == true; - } } int nbFreeLinks = freeLinks.size(); - if ( nbFreeLinks > 0 && nbFreeLinks < 3 ) return; + if ( nbFreeLinks == 1 ) return; // put not used intersection nodes to _vIntNodes int nbVertexNodes = 0; // nb not used vertex nodes @@ -1964,8 +1990,8 @@ namespace if ( _intNodes[ iN ].IsUsedInFace() ) continue; if ( dynamic_cast< const F_IntersectPoint* >( _intNodes[ iN ]._intPoint )) continue; _Node* equalNode = - FindEqualNode( _vIntNodes, _intNodes[ iN ].EdgeIntPnt(), tol*tol ); - if ( !equalNode /*|| equalNode->IsUsedInFace()*/ ) + findEqualNode( _vIntNodes, _intNodes[ iN ].EdgeIntPnt(), tol*tol ); + if ( !equalNode ) { _vIntNodes.push_back( &_intNodes[ iN ]); ++nbVertexNodes; @@ -1974,8 +2000,10 @@ namespace } set usedFaceIDs; + vector< TGeomID > faces; TGeomID curFace = 0; const size_t nbQuadPolygons = _polygons.size(); + E_IntersectPoint ipTmp; // create polygons by making closed chains of free links size_t iPolygon = _polygons.size(); @@ -2017,37 +2045,38 @@ namespace { // get a remaining link to start from, one lying on minimal nb of FACEs { - vector< pair< TGeomID, int > > facesOfLink[3]; - pair< TGeomID, int > faceOfLink( -1, -1 ); - vector< TGeomID > faces; + typedef pair< TGeomID, int > TFaceOfLink; + TFaceOfLink faceOfLink( -1, -1 ); + TFaceOfLink facesOfLink[3] = { faceOfLink, faceOfLink, faceOfLink }; for ( size_t iL = 0; iL < freeLinks.size(); ++iL ) if ( freeLinks[ iL ] ) { faces = freeLinks[ iL ]->GetNotUsedFace( usedFaceIDs ); if ( faces.size() == 1 ) { - faceOfLink = make_pair( faces[0], iL ); + faceOfLink = TFaceOfLink( faces[0], iL ); if ( !freeLinks[ iL ]->HasEdgeNodes() ) break; - facesOfLink[0].push_back( faceOfLink ); + facesOfLink[0] = faceOfLink; } - else if ( facesOfLink[0].empty() ) + else if ( facesOfLink[0].first < 0 ) { - faceOfLink = make_pair(( faces.empty() ? -1 : faces[0]), iL ); - facesOfLink[ 1 + faces.empty() ].push_back( faceOfLink ); + faceOfLink = TFaceOfLink(( faces.empty() ? -1 : faces[0]), iL ); + facesOfLink[ 1 + faces.empty() ] = faceOfLink; } } - for ( int i = 0; faceOfLink.second < 0 && i < 3; ++i ) - if ( !facesOfLink[i].empty() ) - faceOfLink = facesOfLink[i][0]; + for ( int i = 0; faceOfLink.first < 0 && i < 3; ++i ) + faceOfLink = facesOfLink[i]; if ( faceOfLink.first < 0 ) // all faces used { - for ( size_t i = 0; i < facesOfLink[2].size() && faceOfLink.first < 1; ++i ) - { - curLink = freeLinks[ facesOfLink[2][i].second ]; - faceOfLink.first = curLink->FirstNode()->IsLinked( curLink->LastNode()->_intPoint ); - } + for ( size_t iL = 0; iL < freeLinks.size() && faceOfLink.first < 1; ++iL ) + if (( curLink = freeLinks[ iL ])) + { + faceOfLink.first = + curLink->FirstNode()->IsLinked( curLink->LastNode()->_intPoint ); + faceOfLink.second = iL; + } usedFaceIDs.clear(); } curFace = faceOfLink.first; @@ -2103,28 +2132,30 @@ namespace if ( nbVertexNodes > 0 ) { // add links with _vIntNodes if not already used + chainNodes.clear(); for ( size_t iN = 0; iN < _vIntNodes.size(); ++iN ) if ( !_vIntNodes[ iN ]->IsUsedInFace() && _vIntNodes[ iN ]->IsOnFace( curFace )) { _vIntNodes[ iN ]->_usedInFace = &polygon; - --nbVertexNodes; - polyLink._nodes[0] = _vIntNodes[ iN ]; - polyLink._nodes[1] = curNode; - polygon._polyLinks.push_back( polyLink ); - polygon._links.push_back( _OrientedLink( &polygon._polyLinks.back() )); - freeLinks.push_back( &polygon._links.back() ); - ++nbFreeLinks; - curNode = _vIntNodes[ iN ]; - // TODO: to reorder _vIntNodes within polygon, if there are several ones + chainNodes.push_back( _vIntNodes[ iN ] ); } + if ( chainNodes.size() > 1 ) + { + sortVertexNodes( chainNodes, curNode, curFace ); + } + for ( int i = 0; i < chainNodes.size(); ++i ) + { + polygon.AddPolyLink( chainNodes[ i ], curNode ); + curNode = chainNodes[ i ]; + freeLinks.push_back( &polygon._links.back() ); + ++nbFreeLinks; + } + nbVertexNodes -= chainNodes.size(); } // if ( polygon._links.size() > 1 ) { - polyLink._nodes[0] = polygon._links[0].LastNode(); - polyLink._nodes[1] = curNode; - polygon._polyLinks.push_back( polyLink ); - polygon._links.push_back( _OrientedLink( &polygon._polyLinks.back() )); + polygon.AddPolyLink( polygon._links[0].LastNode(), curNode ); freeLinks.push_back( &polygon._links.back() ); ++nbFreeLinks; } @@ -2158,9 +2189,9 @@ namespace polygon._links[ iL ].AddFace( &polygon ); polygon._links[ iL ].Reverse(); } - if ( hasEdgeIntersections && iPolygon == _polygons.size() - 1 ) + if ( /*hasEdgeIntersections &&*/ iPolygon == _polygons.size() - 1 ) { - // check that a polygon does not lie in the plane of another polygon + // check that a polygon does not lie on a hexa side coplanarPolyg = 0; for ( size_t iL = 0; iL < polygon._links.size() && !coplanarPolyg; ++iL ) { @@ -2172,7 +2203,8 @@ namespace coplanarPolyg = polygon._links[ iL ]._link->_faces[0]; for ( iL2 = iL + 1; iL2 < polygon._links.size(); ++iL2 ) if ( polygon._links[ iL2 ]._link->_faces[0] == coplanarPolyg && - !coplanarPolyg->isPolyLink( polygon._links[ iL2 ]) && + !coplanarPolyg->IsPolyLink( polygon._links[ iL ]) && + !coplanarPolyg->IsPolyLink( polygon._links[ iL2 ]) && coplanarPolyg < & _polygons[ nbQuadPolygons ]) break; if ( iL2 == polygon._links.size() ) @@ -2183,11 +2215,10 @@ namespace freeLinks.resize( freeLinks.size() - polygon._polyLinks.size() ); nbFreeLinks -= polygon._polyLinks.size(); - // an artificial E_IntersectPoint used to mark nodes of coplanarPolyg + // an E_IntersectPoint used to mark nodes of coplanarPolyg // as lying on curFace while they are not at intersection with geometry - E_IntersectPoint* ip = & _grid->_edgeIntP.back(); - ip->_faceIDs.resize(1); - ip->_faceIDs[0] = curFace; + ipTmp._faceIDs.resize(1); + ipTmp._faceIDs[0] = curFace; // fill freeLinks with links not shared by coplanarPolyg and polygon for ( size_t iL = 0; iL < polygon._links.size(); ++iL ) @@ -2228,8 +2259,8 @@ namespace for ( int iN = 0; iN < 2; ++iN ) { _Node* n = freeLinks[ iL3 ]->_link->_nodes[ iN ]; - if ( n->_intPoint ) n->_intPoint->Add( ip->_faceIDs ); - else n->_intPoint = ip; + if ( n->_intPoint ) n->_intPoint->Add( ipTmp._faceIDs ); + else n->_intPoint = &ipTmp; } break; } @@ -2264,13 +2295,28 @@ namespace return; } + for ( size_t i = 0; i < 8; ++i ) + if ( _hexNodes[ i ]._intPoint == &ipTmp ) + _hexNodes[ i ]._intPoint = 0; + // create a classic cell if possible - const int nbNodes = _nbCornerNodes + nbIntersections; + + int nbPolygons = 0; + for ( size_t iF = 0; iF < _polygons.size(); ++iF ) + nbPolygons += (_polygons[ iF ]._links.size() > 0 ); + + //const int nbNodes = _nbCornerNodes + nbIntersections; + int nbNodes = 0; + for ( size_t i = 0; i < 8; ++i ) + nbNodes += _hexNodes[ i ].IsUsedInFace(); + for ( size_t i = 0; i < _intNodes.size(); ++i ) + nbNodes += _intNodes[ i ].IsUsedInFace(); + bool isClassicElem = false; - if ( nbNodes == 8 && _polygons.size() == 6 ) isClassicElem = addHexa(); - else if ( nbNodes == 4 && _polygons.size() == 4 ) isClassicElem = addTetra(); - else if ( nbNodes == 6 && _polygons.size() == 5 ) isClassicElem = addPenta(); - else if ( nbNodes == 5 && _polygons.size() == 5 ) isClassicElem = addPyra (); + if ( nbNodes == 8 && nbPolygons == 6 ) isClassicElem = addHexa(); + else if ( nbNodes == 4 && nbPolygons == 4 ) isClassicElem = addTetra(); + else if ( nbNodes == 6 && nbPolygons == 5 ) isClassicElem = addPenta(); + else if ( nbNodes == 5 && nbPolygons == 5 ) isClassicElem = addPyra (); if ( !isClassicElem ) { _volumeDefs._nodes.clear(); @@ -2279,6 +2325,7 @@ namespace for ( size_t iF = 0; iF < _polygons.size(); ++iF ) { const size_t nbLinks = _polygons[ iF ]._links.size(); + if ( nbLinks == 0 ) continue; _volumeDefs._quantities.push_back( nbLinks ); for ( size_t iL = 0; iL < nbLinks; ++iL ) _volumeDefs._nodes.push_back( _polygons[ iF ]._links[ iL ].FirstNode() ); @@ -2298,10 +2345,10 @@ namespace _grid->_coords[1].size() - 1, _grid->_coords[2].size() - 1 }; const size_t nbGridCells = nbCells[0] * nbCells[1] * nbCells[2]; - vector< Hexahedron* > intersectedHex( nbGridCells, 0 ); + vector< Hexahedron* > allHexa( nbGridCells, 0 ); int nbIntHex = 0; - // set intersection nodes from GridLine's to links of intersectedHex + // set intersection nodes from GridLine's to links of allHexa int i,j,k, iDirOther[3][2] = {{ 1,2 },{ 0,2 },{ 0,1 }}; for ( int iDir = 0; iDir < 3; ++iDir ) { @@ -2329,7 +2376,7 @@ namespace k < 0 || k >= nbCells[2] ) continue; const size_t hexIndex = _grid->CellIndex( i,j,k ); - Hexahedron *& hex = intersectedHex[ hexIndex ]; + Hexahedron *& hex = allHexa[ hexIndex ]; if ( !hex) { hex = new Hexahedron( *this ); @@ -2347,18 +2394,17 @@ namespace } // implement geom edges into the mesh - addEdges( helper, intersectedHex, edge2faceIDsMap ); + addEdges( helper, allHexa, edge2faceIDsMap ); // add not split hexadrons to the mesh int nbAdded = 0; - vector intHexInd( nbIntHex ); - nbIntHex = 0; - for ( size_t i = 0; i < intersectedHex.size(); ++i ) + vector< Hexahedron* > intHexa( nbIntHex, (Hexahedron*) NULL ); + for ( size_t i = 0; i < allHexa.size(); ++i ) { - Hexahedron * & hex = intersectedHex[ i ]; + Hexahedron * & hex = allHexa[ i ]; if ( hex ) { - intHexInd[ nbIntHex++ ] = i; + intHexa.push_back( hex ); if ( hex->_nbFaceIntNodes > 0 || hex->_eIntPoints.size() > 0 ) continue; // treat intersected hex later this->init( hex->_i, hex->_j, hex->_k ); @@ -2379,11 +2425,7 @@ namespace mesh->SetMeshElementOnShape( el, helper.GetSubShapeID() ); ++nbAdded; if ( hex ) - { - delete hex; - intersectedHex[ i ] = 0; - --nbIntHex; - } + intHexa.pop_back(); } else if ( _nbCornerNodes > 3 && !hex ) { @@ -2392,32 +2434,30 @@ namespace hex->_i = _i; hex->_j = _j; hex->_k = _k; - intHexInd.push_back(0); - intHexInd[ nbIntHex++ ] = i; + intHexa.push_back( hex ); } } // add elements resulted from hexadron intersection #ifdef WITH_TBB - intHexInd.resize( nbIntHex ); - tbb::parallel_for ( tbb::blocked_range( 0, nbIntHex ), - ParallelHexahedron( intersectedHex, intHexInd ), + tbb::parallel_for ( tbb::blocked_range( 0, intHexa.size() ), + ParallelHexahedron( intHexa ), tbb::simple_partitioner()); // ComputeElements() is called here - for ( size_t i = 0; i < intHexInd.size(); ++i ) - if ( Hexahedron * hex = intersectedHex[ intHexInd[ i ]] ) + for ( size_t i = 0; i < intHexa.size(); ++i ) + if ( Hexahedron * hex = intHexa[ i ] ) nbAdded += hex->addElements( helper ); #else - for ( size_t i = 0; i < intHexInd.size(); ++i ) - if ( Hexahedron * hex = intersectedHex[ intHexInd[ i ]] ) + for ( size_t i = 0; i < intHexa.size(); ++i ) + if ( Hexahedron * hex = intHexa[ i ] ) { hex->ComputeElements(); nbAdded += hex->addElements( helper ); } #endif - for ( size_t i = 0; i < intersectedHex.size(); ++i ) - if ( intersectedHex[ i ] ) - delete intersectedHex[ i ]; + for ( size_t i = 0; i < allHexa.size(); ++i ) + if ( allHexa[ i ] ) + delete allHexa[ i ]; return nbAdded; } @@ -2522,33 +2562,34 @@ namespace double u2 = discret.Parameter( iP ); double zProj2 = planes._zNorm * ( p2 - _grid->_origin ); int iZ2 = iZ1; - if ( Abs( zProj2 - zProj1 ) <= std::numeric_limits::min() ) - continue; - locateValue( iZ2, zProj2, planes._zProjs, dIJK[ iDirZ ], tol ); - - // treat intersections with planes between 2 end points of a segment - int dZ = ( iZ1 <= iZ2 ) ? +1 : -1; - int iZ = iZ1 + ( iZ1 < iZ2 ); - for ( int i = 0, nb = Abs( iZ1 - iZ2 ); i < nb; ++i, iZ += dZ ) + if ( Abs( zProj2 - zProj1 ) > std::numeric_limits::min() ) { - ip._point = findIntPoint( u1, zProj1, u2, zProj2, - planes._zProjs[ iZ ], - curve, planes._zNorm, _grid->_origin ); - _grid->ComputeUVW( ip._point.XYZ(), ip._uvw ); - locateValue( ijk[iDirX], ip._uvw[iDirX], _grid->_coords[iDirX], dIJK[iDirX], tol ); - locateValue( ijk[iDirY], ip._uvw[iDirY], _grid->_coords[iDirY], dIJK[iDirY], tol ); - ijk[ iDirZ ] = iZ; - - // add ip to hex "above" the plane - _grid->_edgeIntP.push_back( ip ); - dIJK[ iDirZ ] = 0; - bool added = addIntersection(_grid->_edgeIntP.back(), hexes, ijk, dIJK); - - // add ip to hex "below" the plane - ijk[ iDirZ ] = iZ-1; - if ( !addIntersection( _grid->_edgeIntP.back(), hexes, ijk, dIJK ) && - !added) - _grid->_edgeIntP.pop_back(); + locateValue( iZ2, zProj2, planes._zProjs, dIJK[ iDirZ ], tol ); + + // treat intersections with planes between 2 end points of a segment + int dZ = ( iZ1 <= iZ2 ) ? +1 : -1; + int iZ = iZ1 + ( iZ1 < iZ2 ); + for ( int i = 0, nb = Abs( iZ1 - iZ2 ); i < nb; ++i, iZ += dZ ) + { + ip._point = findIntPoint( u1, zProj1, u2, zProj2, + planes._zProjs[ iZ ], + curve, planes._zNorm, _grid->_origin ); + _grid->ComputeUVW( ip._point.XYZ(), ip._uvw ); + locateValue( ijk[iDirX], ip._uvw[iDirX], _grid->_coords[iDirX], dIJK[iDirX], tol ); + locateValue( ijk[iDirY], ip._uvw[iDirY], _grid->_coords[iDirY], dIJK[iDirY], tol ); + ijk[ iDirZ ] = iZ; + + // add ip to hex "above" the plane + _grid->_edgeIntP.push_back( ip ); + dIJK[ iDirZ ] = 0; + bool added = addIntersection(_grid->_edgeIntP.back(), hexes, ijk, dIJK); + + // add ip to hex "below" the plane + ijk[ iDirZ ] = iZ-1; + if ( !addIntersection( _grid->_edgeIntP.back(), hexes, ijk, dIJK ) && + !added) + _grid->_edgeIntP.pop_back(); + } } iZ1 = iZ2; p1 = p2; @@ -2572,11 +2613,6 @@ namespace } // loop on 3 grid directions } // loop on EDGEs - // add an artificial E_IntersectPoint used in Hexahedron::ComputeElements() - ip._shapeID = -1; - ip._faceIDs.clear(); - ip._node = 0; - _grid->_edgeIntP.push_back( ip ); } //================================================================================ @@ -2705,12 +2741,7 @@ namespace Hexahedron* h = hexes[ hexIndex[i] ]; // check if ip is really inside the hex #ifdef _DEBUG_ - if (( _grid->_coords[0][ h->_i ] - _grid->_tol > ip._uvw[0] ) || - ( _grid->_coords[0][ h->_i+1 ] + _grid->_tol < ip._uvw[0] ) || - ( _grid->_coords[1][ h->_j ] - _grid->_tol > ip._uvw[1] ) || - ( _grid->_coords[1][ h->_j+1 ] + _grid->_tol < ip._uvw[1] ) || - ( _grid->_coords[2][ h->_k ] - _grid->_tol > ip._uvw[2] ) || - ( _grid->_coords[2][ h->_k+1 ] + _grid->_tol < ip._uvw[2] )) + if ( h->isOutParam( ip._uvw )) throw SALOME_Exception("ip outside a hex"); #endif h->_eIntPoints.push_back( & ip ); @@ -2804,55 +2835,297 @@ namespace } //================================================================================ /*! - * \brief Checks transition at the 1st node of a link + * \brief Finds nodes on the same EDGE as the first node of avoidSplit. + * + * This function is for a case where an EDGE lies on a quad which lies on a FACE + * so that a part of quad in ON and another part in IN */ - bool Hexahedron::is1stNodeOut( _Link& link /*int iLink*/ ) const + bool Hexahedron::findChainOnEdge( const vector< _OrientedLink >& splits, + const _OrientedLink& prevSplit, + const _OrientedLink& avoidSplit, + size_t & iS, + _Face& quad, + vector<_Node*>& chn ) { - // new version is for the case: tangent transition at the 1st node - bool isOut = false; - if ( link._fIntNodes.size() > 1 ) + if ( !isImplementEdges() ) + return false; + + _Node* pn1 = prevSplit.FirstNode(); + _Node* pn2 = prevSplit.LastNode(); + int avoidFace = pn1->IsLinked( pn2->_intPoint ); // FACE under the quad + if ( avoidFace < 1 && pn1->_intPoint ) + return false; + + _Node* n, *stopNode = avoidSplit.LastNode(); + + chn.clear(); + if ( !quad._eIntNodes.empty() ) { - // check transition at the next intersection - switch ( link._fIntPoints[1]->_transition ) { - case Trans_OUT: return false; - case Trans_IN : return true; - default: ; // tangent transition - } + chn.push_back( pn2 ); + bool found; + do + { + found = false; + for ( size_t iP = 0; iP < quad._eIntNodes.size(); ++iP ) + if (( !quad._eIntNodes[ iP ]->IsUsedInFace( &quad )) && + ( chn.back()->IsLinked( quad._eIntNodes[ iP ]->_intPoint, avoidFace )) && + ( !avoidFace || quad._eIntNodes[ iP ]->IsOnFace( avoidFace ))) + { + chn.push_back( quad._eIntNodes[ iP ]); + found = quad._eIntNodes[ iP ]->_usedInFace = &quad; + break; + } + } while ( found ); + pn2 = chn.back(); } - if ( !link._nodes[1]->Node() ) + + int i; + for ( i = splits.size()-1; i >= 0; --i ) + { + if ( !splits[i] ) + continue; + + n = splits[i].LastNode(); + if ( n == stopNode ) + break; + if (( n != pn1 ) && + ( n->IsLinked( pn2->_intPoint, avoidFace )) && + ( !avoidFace || n->IsOnFace( avoidFace ))) + break; + + n = splits[i].FirstNode(); + if ( n == stopNode ) + break; + if (( n->IsLinked( pn2->_intPoint, avoidFace )) && + ( !avoidFace || n->IsOnFace( avoidFace ))) + break; + n = 0; + } + if ( n && n != stopNode) + { + if ( chn.empty() ) + chn.push_back( pn2 ); + chn.push_back( n ); + iS = i-1; + return true; + } + return false; + } + //================================================================================ + /*! + * \brief Checks transition at the ginen intersection node of a link + */ + bool Hexahedron::isOutPoint( _Link& link, int iP, SMESH_MesherHelper& helper ) const + { + bool isOut = false; + + const bool moreIntPoints = ( iP+1 < link._fIntPoints.size() ); + + // get 2 _Node's + _Node* n1 = link._fIntNodes[ iP ]; + if ( !n1->Node() ) + n1 = link._nodes[0]; + _Node* n2 = moreIntPoints ? link._fIntNodes[ iP+1 ] : 0; + if ( !n2 || !n2->Node() ) + n2 = link._nodes[1]; + if ( !n2->Node() ) return true; - gp_Pnt p1 = link._nodes[0]->Point(); - gp_Pnt p2 = link._nodes[1]->Point(); - gp_Pnt testPnt = 0.8 * p1.XYZ() + 0.2 * p2.XYZ(); + // get all FACEs under n1 and n2 + set< TGeomID > faceIDs; + if ( moreIntPoints ) faceIDs.insert( link._fIntPoints[iP+1]->_faceIDs.begin(), + link._fIntPoints[iP+1]->_faceIDs.end() ); + if ( n2->_intPoint ) faceIDs.insert( n2->_intPoint->_faceIDs.begin(), + n2->_intPoint->_faceIDs.end() ); + if ( faceIDs.empty() ) + return false; // n2 is inside + if ( n1->_intPoint ) faceIDs.insert( n1->_intPoint->_faceIDs.begin(), + n1->_intPoint->_faceIDs.end() ); + faceIDs.insert( link._fIntPoints[iP]->_faceIDs.begin(), + link._fIntPoints[iP]->_faceIDs.end() ); + + // get a point between 2 nodes + gp_Pnt p1 = n1->Point(); + gp_Pnt p2 = n2->Point(); + gp_Pnt pOnLink = 0.8 * p1.XYZ() + 0.2 * p2.XYZ(); - TGeomID faceID = link._fIntPoints[0]->_faceIDs[0]; - const TopoDS_Face& face = TopoDS::Face( _grid->_shapes( faceID )); TopLoc_Location loc; - GeomAPI_ProjectPointOnSurf& proj = - _grid->_helper->GetProjector( face, loc, 0.1*_grid->_tol ); - testPnt.Transform( loc ); - proj.Perform( testPnt ); - if ( proj.IsDone() && - proj.NbPoints() > 0 && - proj.LowerDistance() > _grid->_tol ) - { - Quantity_Parameter u,v; - proj.LowerDistanceParameters( u,v ); - gp_Dir normal; - if ( GeomLib::NormEstim( BRep_Tool::Surface( face, loc ), - gp_Pnt2d( u,v ), - 0.1*_grid->_tol, - normal ) < 3 ) - { - if ( face.Orientation() == TopAbs_REVERSED ) - normal.Reverse(); - gp_Vec v( proj.NearestPoint(), testPnt ); - return v * normal > 0; + + set< TGeomID >::iterator faceID = faceIDs.begin(); + for ( ; faceID != faceIDs.end(); ++faceID ) + { + // project pOnLink on a FACE + if ( *faceID < 1 ) continue; + const TopoDS_Face& face = TopoDS::Face( _grid->_shapes( *faceID )); + GeomAPI_ProjectPointOnSurf& proj = + helper.GetProjector( face, loc, 0.1*_grid->_tol ); + gp_Pnt testPnt = pOnLink.Transformed( loc.Transformation().Inverted() ); + proj.Perform( testPnt ); + if ( proj.IsDone() && proj.NbPoints() > 0 ) + { + Quantity_Parameter u,v; + proj.LowerDistanceParameters( u,v ); + + if ( proj.LowerDistance() <= 0.1 * _grid->_tol ) + { + isOut = false; + } + else + { + // find isOut by normals + gp_Dir normal; + if ( GeomLib::NormEstim( BRep_Tool::Surface( face, loc ), + gp_Pnt2d( u,v ), + 0.1*_grid->_tol, + normal ) < 3 ) + { + if ( face.Orientation() == TopAbs_REVERSED ) + normal.Reverse(); + gp_Vec v( proj.NearestPoint(), testPnt ); + isOut = ( v * normal > 0 ); + } + } + if ( !isOut ) + { + // classify a projection + if ( !n1->IsOnFace( *faceID ) || !n2->IsOnFace( *faceID )) + { + BRepTopAdaptor_FClass2d cls( face, Precision::Confusion() ); + TopAbs_State state = cls.Perform( gp_Pnt2d( u,v )); + if ( state == TopAbs_OUT ) + { + isOut = true; + continue; + } + } + return false; + } } } return isOut; } + //================================================================================ + /*! + * \brief Sort nodes on a FACE + */ + void Hexahedron::sortVertexNodes(vector<_Node*>& nodes, _Node* curNode, TGeomID faceID) + { + if ( nodes.size() > 20 ) return; + + // get shapes under nodes + TGeomID nShapeIds[20], *nShapeIdsEnd = &nShapeIds[0] + nodes.size(); + for ( size_t i = 0; i < nodes.size(); ++i ) + if ( !( nShapeIds[i] = nodes[i]->ShapeID() )) + return; + + // get shapes of the FACE + const TopoDS_Face& face = TopoDS::Face( _grid->_shapes( faceID )); + list< TopoDS_Edge > edges; + list< int > nbEdges; + int nbW = SMESH_Block::GetOrderedEdges (face, edges, nbEdges); + if ( nbW > 1 ) { + // select a WIRE + list< TopoDS_Edge >::iterator e = edges.begin(), eEnd = e; + list< int >::iterator nE = nbEdges.begin(); + for ( ; nbW ; ++nE, --nbW ) + { + std::advance( eEnd, *nE ); + for ( ; e != eEnd; ++e ) + for ( int i = 0; i < 2; ++i ) + { + TGeomID id = i==0 ? + _grid->_shapes.FindIndex( *e ) : + _grid->_shapes.FindIndex( SMESH_MesherHelper::IthVertex( 0, *e )); + if (( id > 0 ) && + ( std::find( &nShapeIds[0], nShapeIdsEnd, id ) != nShapeIdsEnd )) + { + edges.erase( eEnd, edges.end() ); // remove rest wires + e = eEnd; + nbW = 0; + break; + } + } + if ( nbW > 0 ) + edges.erase( edges.begin(), eEnd ); // remove a current wire + } + } + // rotate edges to have the first one at least partially out of the hexa + list< TopoDS_Edge >::iterator e = edges.begin(), eMidOut = edges.end(); + for ( ; e != edges.end(); ++e ) + { + if ( !_grid->_shapes.FindIndex( *e )) + continue; + bool isOut = false; + gp_Pnt p; + double uvw[3], f,l; + for ( int i = 0; i < 2 && !isOut; ++i ) + { + if ( i == 0 ) + { + TopoDS_Vertex v = SMESH_MesherHelper::IthVertex( 0, *e ); + p = BRep_Tool::Pnt( v ); + } + else if ( eMidOut == edges.end() ) + { + TopLoc_Location loc; + Handle(Geom_Curve) c = BRep_Tool::Curve( *e, loc, f, l); + if ( c.IsNull() ) break; + p = c->Value( 0.5 * ( f + l )).Transformed( loc ); + } + else + { + continue; + } + + _grid->ComputeUVW( p.XYZ(), uvw ); + if ( isOutParam( uvw )) + { + if ( i == 0 ) + isOut = true; + else + eMidOut = e; + } + } + if ( isOut ) + break; + } + if ( e != edges.end() ) + edges.splice( edges.end(), edges, edges.begin(), e ); + else if ( eMidOut != edges.end() ) + edges.splice( edges.end(), edges, edges.begin(), eMidOut ); + + // sort nodes accoring to the order of edges + _Node* orderNodes [20]; + TGeomID orderShapeIDs[20]; + int nbN = 0; + TGeomID id, *pID; + for ( e = edges.begin(); e != edges.end(); ++e ) + { + if (( id = _grid->_shapes.FindIndex( SMESH_MesherHelper::IthVertex( 0, *e ))) && + (( pID = std::find( &nShapeIds[0], nShapeIdsEnd, id )) != nShapeIdsEnd )) + { + orderShapeIDs[ nbN ] = id; + orderNodes [ nbN++ ] = nodes[ pID - &nShapeIds[0] ]; + *pID = -1; + } + if (( id = _grid->_shapes.FindIndex( *e )) && + (( pID = std::find( &nShapeIds[0], nShapeIdsEnd, id )) != nShapeIdsEnd )) + { + orderShapeIDs[ nbN ] = id; + orderNodes [ nbN++ ] = nodes[ pID - &nShapeIds[0] ]; + *pID = -1; + } + } + if ( nbN != nodes.size() ) + return; + + bool reverse = ( orderNodes[0 ]->Point().SquareDistance( curNode->Point() ) > + orderNodes[nbN-1]->Point().SquareDistance( curNode->Point() )); + + for ( size_t i = 0; i < nodes.size(); ++i ) + nodes[ i ] = orderNodes[ reverse ? nbN-1-i : i ]; + } + //================================================================================ /*! * \brief Adds computed elements to the mesh @@ -2966,6 +3239,8 @@ namespace for ( size_t iP = 0; iP < _polygons.size(); ++iP ) { const _Face& polygon = _polygons[iP]; + if ( polygon._links.empty() ) + continue; gp_XYZ area (0,0,0); gp_XYZ p1 = polygon._links[ 0 ].FirstNode()->Point().XYZ(); for ( size_t iL = 0; iL < polygon._links.size(); ++iL ) @@ -2988,27 +3263,34 @@ namespace */ bool Hexahedron::addHexa() { - if ( _polygons[0]._links.size() != 4 || - _polygons[1]._links.size() != 4 || - _polygons[2]._links.size() != 4 || - _polygons[3]._links.size() != 4 || - _polygons[4]._links.size() != 4 || - _polygons[5]._links.size() != 4 ) + int nbQuad = 0, iQuad = -1; + for ( size_t i = 0; i < _polygons.size(); ++i ) + { + if ( _polygons[i]._links.empty() ) + continue; + if ( _polygons[i]._links.size() != 4 ) + return false; + ++nbQuad; + if ( iQuad < 0 ) + iQuad = i; + } + if ( nbQuad != 6 ) return false; + _Node* nodes[8]; int nbN = 0; for ( int iL = 0; iL < 4; ++iL ) { // a base node - nodes[iL] = _polygons[0]._links[iL].FirstNode(); + nodes[iL] = _polygons[iQuad]._links[iL].FirstNode(); ++nbN; // find a top node above the base node - _Link* link = _polygons[0]._links[iL]._link; + _Link* link = _polygons[iQuad]._links[iL]._link; if ( !link->_faces[0] || !link->_faces[1] ) return debugDumpLink( link ); - // a quadrangle sharing with _polygons[0] - _Face* quad = link->_faces[ bool( link->_faces[0] == & _polygons[0] )]; + // a quadrangle sharing with _polygons[iQuad] + _Face* quad = link->_faces[ bool( link->_faces[0] == & _polygons[iQuad] )]; for ( int i = 0; i < 4; ++i ) if ( quad->_links[i]._link == link ) { @@ -3019,7 +3301,7 @@ namespace } } if ( nbN == 8 ) - _volumeDefs.set( vector< _Node* >( nodes, nodes+8 )); + _volumeDefs.set( &nodes[0], 8 ); return nbN == 8; } @@ -3029,22 +3311,29 @@ namespace */ bool Hexahedron::addTetra() { + int iTria = -1; + for ( size_t i = 0; i < _polygons.size() && iTria < 0; ++i ) + if ( _polygons[i]._links.size() == 3 ) + iTria = i; + if ( iTria < 0 ) + return false; + _Node* nodes[4]; - nodes[0] = _polygons[0]._links[0].FirstNode(); - nodes[1] = _polygons[0]._links[1].FirstNode(); - nodes[2] = _polygons[0]._links[2].FirstNode(); + nodes[0] = _polygons[iTria]._links[0].FirstNode(); + nodes[1] = _polygons[iTria]._links[1].FirstNode(); + nodes[2] = _polygons[iTria]._links[2].FirstNode(); - _Link* link = _polygons[0]._links[0]._link; + _Link* link = _polygons[iTria]._links[0]._link; if ( !link->_faces[0] || !link->_faces[1] ) return debugDumpLink( link ); // a triangle sharing with _polygons[0] - _Face* tria = link->_faces[ bool( link->_faces[0] == & _polygons[0] )]; + _Face* tria = link->_faces[ bool( link->_faces[0] == & _polygons[iTria] )]; for ( int i = 0; i < 3; ++i ) if ( tria->_links[i]._link == link ) { nodes[3] = tria->_links[(i+1)%3].LastNode(); - _volumeDefs.set( vector< _Node* >( nodes, nodes+4 )); + _volumeDefs.set( &nodes[0], 4 ); return true; } @@ -3089,7 +3378,7 @@ namespace } } if ( nbN == 6 ) - _volumeDefs.set( vector< _Node* >( nodes, nodes+6 )); + _volumeDefs.set( &nodes[0], 6 ); return ( nbN == 6 ); } @@ -3124,7 +3413,7 @@ namespace if ( tria->_links[i]._link == link ) { nodes[4] = tria->_links[(i+1)%3].LastNode(); - _volumeDefs.set( vector< _Node* >( nodes, nodes+5 )); + _volumeDefs.set( &nodes[0], 5 ); return true; } @@ -3144,6 +3433,19 @@ namespace #endif return false; } + //================================================================================ + /*! + * \brief Classify a point by grid paremeters + */ + bool Hexahedron::isOutParam(const double uvw[3]) const + { + return (( _grid->_coords[0][ _i ] - _grid->_tol > uvw[0] ) || + ( _grid->_coords[0][ _i+1 ] + _grid->_tol < uvw[0] ) || + ( _grid->_coords[1][ _j ] - _grid->_tol > uvw[1] ) || + ( _grid->_coords[1][ _j+1 ] + _grid->_tol < uvw[1] ) || + ( _grid->_coords[2][ _k ] - _grid->_tol > uvw[2] ) || + ( _grid->_coords[2][ _k+1 ] + _grid->_tol < uvw[2] )); + } //================================================================================ /*!