-// Copyright (C) 2007-2011 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
// SMESH SMESH : implementaion of SMESH idl descriptions
// File : SMESH_Algo.cxx
#include "SMESH_HypoFilter.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_TypeDefs.hxx"
+#include "SMESH_subMesh.hxx"
#include <Basics_OCCTVersion.hxx>
#include <GCPnts_AbscissaPoint.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <Geom_Surface.hxx>
+#include <LDOMParser.hxx>
#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
#include <TopLoc_Location.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopTools_ListOfShape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Vertex.hxx>
+#include <TopoDS_Wire.hxx>
#include <gp_Pnt.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Vec.hxx>
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<SMDSAbs_GeometryType>::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;
+ }
+ // <algorithm type="Regular_1D"
+ // ...
+ // input="EDGE"
+ // output="QUAD,TRIA">
+ //
+ 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<SMDSAbs_GeometryType>& 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 ];
+}
+
//=============================================================================
/*!
*
{
gen->_mapAlgo[hypId] = this;
- _onlyUnaryInput = _requireDescretBoundary = _requireShape = true;
+ _onlyUnaryInput = _requireDiscreteBoundary = _requireShape = true;
_quadraticMesh = _supportSubmeshes = false;
_error = COMPERR_OK;
+ for ( int i = 0; i < 4; ++i )
+ _neededLowerHyps[ i ] = false;
}
//=============================================================================
{
}
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+SMESH_0D_Algo::SMESH_0D_Algo(int hypId, int studyId, SMESH_Gen* gen)
+ : SMESH_Algo(hypId, studyId, gen)
+{
+ _shapeType = (1 << TopAbs_VERTEX);
+ _type = ALGO_0D;
+ gen->_map0D_Algo[hypId] = this;
+}
+SMESH_1D_Algo::SMESH_1D_Algo(int hypId, int studyId, SMESH_Gen* gen)
+ : SMESH_Algo(hypId, studyId, gen)
+{
+ _shapeType = (1 << TopAbs_EDGE);
+ _type = ALGO_1D;
+ gen->_map1D_Algo[hypId] = this;
+}
+SMESH_2D_Algo::SMESH_2D_Algo(int hypId, int studyId, SMESH_Gen* gen)
+ : SMESH_Algo(hypId, studyId, gen)
+{
+ _shapeType = (1 << TopAbs_FACE);
+ _type = ALGO_2D;
+ gen->_map2D_Algo[hypId] = this;
+}
+SMESH_3D_Algo::SMESH_3D_Algo(int hypId, int studyId, SMESH_Gen* gen)
+ : SMESH_Algo(hypId, studyId, gen)
+{
+ _shapeType = (1 << TopAbs_SOLID);
+ _type = ALGO_3D;
+ gen->_map3D_Algo[hypId] = this;
+}
+
//=============================================================================
/*!
* Usually an algoritm has nothing to save
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<const SMDS_MeshNode *>(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 ) 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)
+// {
+// }
//================================================================================
/*!
{
//E1.Orientation(TopAbs_FORWARD), E2.Orientation(TopAbs_FORWARD); // avoid pb with internal edges
if (E1.Orientation() > TopAbs_REVERSED) // INTERNAL
- E1.Orientation( TopAbs_FORWARD );
+ E1.Orientation( TopAbs_FORWARD );
if (E2.Orientation() > TopAbs_REVERSED) // INTERNAL
- E2.Orientation( TopAbs_FORWARD );
- TopoDS_Vertex V = TopExp::LastVertex (E1, true);
- if ( !V.IsSame( TopExp::FirstVertex(E2, true )))
- if ( !TopExp::CommonVertex( E1, E2, V ))
- return GeomAbs_C0;
+ E2.Orientation( TopAbs_FORWARD );
+
+ TopoDS_Vertex V, VV1[2], VV2[2];
+ TopExp::Vertices( E1, VV1[0], VV1[1], true );
+ TopExp::Vertices( E2, VV2[0], VV2[1], true );
+ if ( VV1[1].IsSame( VV2[0] )) { V = VV1[1]; }
+ else if ( VV1[0].IsSame( VV2[1] )) { V = VV1[0]; }
+ else if ( VV1[1].IsSame( VV2[1] )) { V = VV1[1]; E1.Reverse(); }
+ else if ( VV1[0].IsSame( VV2[0] )) { V = VV1[0]; E1.Reverse(); }
+ else { return GeomAbs_C0; }
+
Standard_Real u1 = BRep_Tool::Parameter( V, E1 );
Standard_Real u2 = BRep_Tool::Parameter( V, E2 );
BRepAdaptor_Curve C1( E1 ), C2( E2 );
return error( COMPERR_BAD_INPUT_MESH, "Mesh built on shape expected");
}
-#ifdef WITH_SMESH_CANCEL_COMPUTE
+//=======================================================================
+//function : CancelCompute
+//purpose : Sets _computeCanceled to true. It's usage depends on
+// * implementation of a particular mesher.
+//=======================================================================
+
void SMESH_Algo::CancelCompute()
{
+ _computeCanceled = true;
+ _error = COMPERR_CANCELED;
}
-#endif
//================================================================================
/*!
if ( (*elem)->GetID() < 1 )
delete *elem;
_badInputElements.clear();
+
+ _computeCanceled = false;
}
//================================================================================
if ( elem )
_badInputElements.push_back( elem );
}
+
+//=======================================================================
+//function : addBadInputElements
+//purpose : store a bad input elements or nodes preventing computation
+//=======================================================================
+
+void SMESH_Algo::addBadInputElements(const SMESHDS_SubMesh* sm,
+ const bool addNodes)
+{
+ if ( sm )
+ {
+ if ( addNodes )
+ {
+ SMDS_NodeIteratorPtr nIt = sm->GetNodes();
+ while ( nIt->more() ) addBadInputElement( nIt->next() );
+ }
+ else
+ {
+ SMDS_ElemIteratorPtr eIt = sm->GetElements();
+ while ( eIt->more() ) addBadInputElement( eIt->next() );
+ }
+ }
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+// int SMESH_Algo::NumberOfWires(const TopoDS_Shape& S)
+// {
+// int i = 0;
+// for (TopExp_Explorer exp(S,TopAbs_WIRE); exp.More(); exp.Next())
+// i++;
+// return i;
+// }
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+int SMESH_Algo::NumberOfPoints(SMESH_Mesh& aMesh, const TopoDS_Wire& W)
+{
+ int nbPoints = 0;
+ for (TopExp_Explorer exp(W,TopAbs_EDGE); exp.More(); exp.Next()) {
+ const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
+ int nb = aMesh.GetSubMesh(E)->GetSubMeshDS()->NbNodes();
+ if(_quadraticMesh)
+ nb = nb/2;
+ nbPoints += nb + 1; // internal points plus 1 vertex of 2 (last point ?)
+ }
+ return nbPoints;
+}
+
+
