X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FSMESH%2FSMESH_Algo.cxx;h=9f3ed80532907460f7c3078a881b8ecf339a59bf;hp=ac294864b2a4bf35362f1a99e99488ea3ff33d17;hb=88b3dbe23b236bd1746405155ae33a76aaf59ecd;hpb=cb4e582b0cbbcf1864292d59535033ad724e46f2 diff --git a/src/SMESH/SMESH_Algo.cxx b/src/SMESH/SMESH_Algo.cxx index ac294864b..9f3ed8053 100644 --- a/src/SMESH/SMESH_Algo.cxx +++ b/src/SMESH/SMESH_Algo.cxx @@ -49,6 +49,7 @@ #include #include #include +#include #include #include #include @@ -73,6 +74,98 @@ using namespace std; +//================================================================================ +/*! + * \brief Returns \a true if two algorithms (described by \a this and the given + * algo data) are compatible by their output and input types of elements. + */ +//================================================================================ + +bool SMESH_Algo::Features::IsCompatible( const SMESH_Algo::Features& algo2 ) const +{ + if ( _dim > algo2._dim ) return algo2.IsCompatible( *this ); + // algo2 is of highter dimension + if ( _outElemTypes.empty() || algo2._inElemTypes.empty() ) + return false; + bool compatible = true; + set::const_iterator myOutType = _outElemTypes.begin(); + for ( ; myOutType != _outElemTypes.end() && compatible; ++myOutType ) + compatible = algo2._inElemTypes.count( *myOutType ); + return compatible; +} + +//================================================================================ +/*! + * \brief Return Data of the algorithm + */ +//================================================================================ + +const SMESH_Algo::Features& SMESH_Algo::GetFeatures( const std::string& algoType ) +{ + static map< string, SMESH_Algo::Features > theFeaturesByName; + if ( theFeaturesByName.empty() ) + { + // Read Plugin.xml files + vector< string > xmlPaths = SMESH_Gen::GetPluginXMLPaths(); + LDOMParser xmlParser; + for ( size_t iXML = 0; iXML < xmlPaths.size(); ++iXML ) + { + bool error = xmlParser.parse( xmlPaths[iXML].c_str() ); + if ( error ) + { + TCollection_AsciiString data; + INFOS( xmlParser.GetError(data) ); + continue; + } + // + // + LDOM_Document xmlDoc = xmlParser.getDocument(); + LDOM_NodeList algoNodeList = xmlDoc.getElementsByTagName( "algorithm" ); + for ( int i = 0; i < algoNodeList.getLength(); ++i ) + { + LDOM_Node algoNode = algoNodeList.item( i ); + LDOM_Element& algoElem = (LDOM_Element&) algoNode; + TCollection_AsciiString algoType = algoElem.getAttribute("type"); + TCollection_AsciiString input = algoElem.getAttribute("input"); + TCollection_AsciiString output = algoElem.getAttribute("output"); + TCollection_AsciiString dim = algoElem.getAttribute("dim"); + TCollection_AsciiString label = algoElem.getAttribute("label-id"); + if ( algoType.IsEmpty() ) continue; + + Features & data = theFeaturesByName[ algoType.ToCString() ]; + data._dim = dim.IntegerValue(); + data._label = label.ToCString(); + for ( int isInput = 0; isInput < 2; ++isInput ) + { + TCollection_AsciiString& typeStr = isInput ? input : output; + set& typeSet = isInput ? data._inElemTypes : data._outElemTypes; + int beg = 1, end; + while ( beg <= typeStr.Length() ) + { + while ( beg < typeStr.Length() && !isalpha( typeStr.Value( beg ) )) + ++beg; + end = beg; + while ( end < typeStr.Length() && isalpha( typeStr.Value( end + 1 ) )) + ++end; + if ( end > beg ) + { + TCollection_AsciiString typeName = typeStr.SubString( beg, end ); + if ( typeName == "EDGE" ) typeSet.insert( SMDSGeom_EDGE ); + else if ( typeName == "TRIA" ) typeSet.insert( SMDSGeom_TRIANGLE ); + else if ( typeName == "QUAD" ) typeSet.insert( SMDSGeom_QUADRANGLE ); + } + beg = end + 1; + } + } + } + } + } + return theFeaturesByName[ algoType ]; +} + //============================================================================= /*! * @@ -252,120 +345,13 @@ bool SMESH_Algo::FaceNormal(const SMDS_MeshElement* F, gp_XYZ& normal, bool norm return ok; } -//================================================================================ -/*! - * \brief Find out elements orientation on a geometrical face - * \param theFace - The face correctly oriented in the shape being meshed - * \param theMeshDS - The mesh data structure - * \retval bool - true if the face normal and the normal of first element - * in the correspoding submesh point in different directions +/* + * Moved to SMESH_MesherHelper */ -//================================================================================ - -bool SMESH_Algo::IsReversedSubMesh (const TopoDS_Face& theFace, - SMESHDS_Mesh* theMeshDS) -{ - if ( theFace.IsNull() || !theMeshDS ) - return false; - - // find out orientation of a meshed face - int faceID = theMeshDS->ShapeToIndex( theFace ); - TopoDS_Shape aMeshedFace = theMeshDS->IndexToShape( faceID ); - bool isReversed = ( theFace.Orientation() != aMeshedFace.Orientation() ); - - const SMESHDS_SubMesh * aSubMeshDSFace = theMeshDS->MeshElements( faceID ); - if ( !aSubMeshDSFace ) - return isReversed; - - // find element with node located on face and get its normal - const SMDS_FacePosition* facePos = 0; - int vertexID = 0; - gp_Pnt nPnt[3]; - gp_Vec Ne; - bool normalOK = false; - SMDS_ElemIteratorPtr iteratorElem = aSubMeshDSFace->GetElements(); - while ( iteratorElem->more() ) // loop on elements on theFace - { - const SMDS_MeshElement* elem = iteratorElem->next(); - if ( elem && elem->NbNodes() > 2 ) { - SMDS_ElemIteratorPtr nodesIt = elem->nodesIterator(); - const SMDS_FacePosition* fPos = 0; - int i = 0, vID = 0; - while ( nodesIt->more() ) { // loop on nodes - const SMDS_MeshNode* node - = static_cast(nodesIt->next()); - if ( i == 3 ) i = 2; - nPnt[ i++ ].SetCoord( node->X(), node->Y(), node->Z() ); - // check position - const SMDS_PositionPtr& pos = node->GetPosition(); - if ( !pos ) continue; - if ( pos->GetTypeOfPosition() == SMDS_TOP_FACE ) { - fPos = dynamic_cast< const SMDS_FacePosition* >( pos ); - } - else if ( pos->GetTypeOfPosition() == SMDS_TOP_VERTEX ) { - vID = node->getshapeId(); - } - } - if ( fPos || ( !normalOK && vID )) { - // compute normal - gp_Vec v01( nPnt[0], nPnt[1] ), v02( nPnt[0], nPnt[2] ); - if ( v01.SquareMagnitude() > RealSmall() && - v02.SquareMagnitude() > RealSmall() ) - { - Ne = v01 ^ v02; - normalOK = ( Ne.SquareMagnitude() > RealSmall() ); - } - // we need position on theFace or at least on vertex - if ( normalOK ) { - vertexID = vID; - if ((facePos = fPos)) - break; - } - } - } - } - if ( !normalOK ) - return isReversed; - - // node position on face - double u,v; - if ( facePos ) { - u = facePos->GetUParameter(); - v = facePos->GetVParameter(); - } - else if ( vertexID ) { - TopoDS_Shape V = theMeshDS->IndexToShape( vertexID ); - if ( V.IsNull() || V.ShapeType() != TopAbs_VERTEX ) - return isReversed; - gp_Pnt2d uv = BRep_Tool::Parameters( TopoDS::Vertex( V ), theFace ); - u = uv.X(); - v = uv.Y(); - } - else - { - return isReversed; - } - - // face normal at node position - TopLoc_Location loc; - Handle(Geom_Surface) surf = BRep_Tool::Surface( theFace, loc ); - // if ( surf.IsNull() || surf->Continuity() < GeomAbs_C1 ) - // some surfaces not detected as GeomAbs_C1 are nevertheless correct for meshing - if ( surf.IsNull() || surf->Continuity() < GeomAbs_C0 ) - { - if (!surf.IsNull()) - MESSAGE("surf->Continuity() < GeomAbs_C1 " << (surf->Continuity() < GeomAbs_C1)); - return isReversed; - } - gp_Vec d1u, d1v; - surf->D1( u, v, nPnt[0], d1u, d1v ); - gp_Vec Nf = (d1u ^ d1v).Transformed( loc ); - - if ( theFace.Orientation() == TopAbs_REVERSED ) - Nf.Reverse(); - - return Ne * Nf < 0.; -} +// bool SMESH_Algo::IsReversedSubMesh (const TopoDS_Face& theFace, +// SMESHDS_Mesh* theMeshDS) +// { +// } //================================================================================ /*!