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PAL13615 (EDF PAL 315/31 GEOM SMESH : meshing of a "5 edges quadrangle")
add Compute(), NeedShape(), SubmeshRestored(), Continuity(), VertexNode()
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@ -26,7 +26,6 @@
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// Module : SMESH
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// $Header$
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using namespace std;
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#include "SMESH_Algo.hxx"
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#include "SMESH_Gen.hxx"
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#include "SMESH_Mesh.hxx"
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@ -38,23 +37,33 @@ using namespace std;
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#include "SMESHDS_Mesh.hxx"
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#include "SMESHDS_SubMesh.hxx"
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#include <BRepAdaptor_Curve.hxx>
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#include <BRepLProp.hxx>
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#include <BRep_Tool.hxx>
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#include <GCPnts_AbscissaPoint.hxx>
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#include <GeomAdaptor_Curve.hxx>
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#include <Geom_Surface.hxx>
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#include <TopExp.hxx>
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#include <TopLoc_Location.hxx>
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#include <TopTools_ListIteratorOfListOfShape.hxx>
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#include <TopTools_ListOfShape.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec.hxx>
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#include <Standard_ErrorHandler.hxx>
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#include <Standard_Failure.hxx>
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#include "utilities.h"
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#include <algorithm>
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using namespace std;
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//=============================================================================
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/*!
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*
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@ -64,12 +73,10 @@ using namespace std;
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SMESH_Algo::SMESH_Algo(int hypId, int studyId,
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SMESH_Gen * gen):SMESH_Hypothesis(hypId, studyId, gen)
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{
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// _compatibleHypothesis.push_back("hypothese_bidon");
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_type = ALGO;
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gen->_mapAlgo[hypId] = this;
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gen->_mapAlgo[hypId] = this;
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_onlyUnaryInput = _requireDescretBoundary = true;
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_quadraticMesh = false;
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_onlyUnaryInput = _requireDescretBoundary = _requireShape = true;
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_quadraticMesh = false;
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}
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//=============================================================================
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@ -163,8 +170,7 @@ double SMESH_Algo::EdgeLength(const TopoDS_Edge & E)
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TopLoc_Location L;
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Handle(Geom_Curve) C = BRep_Tool::Curve(E, L, UMin, UMax);
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GeomAdaptor_Curve AdaptCurve(C);
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GCPnts_AbscissaPoint gabs;
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double length = gabs.Length(AdaptCurve, UMin, UMax);
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double length = GCPnts_AbscissaPoint::Length(AdaptCurve, UMin, UMax);
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return length;
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}
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@ -377,10 +383,60 @@ bool SMESH_Algo::InitCompatibleHypoFilter( SMESH_HypoFilter & theFilter,
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return false;
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}
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//================================================================================
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/*!
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* \brief Return continuity of two edges
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* \param E1 - the 1st edge
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* \param E2 - the 2nd edge
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* \retval GeomAbs_Shape - regularity at the junction between E1 and E2
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*/
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//================================================================================
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GeomAbs_Shape SMESH_Algo::Continuity(const TopoDS_Edge & E1,
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const TopoDS_Edge & E2)
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{
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TopoDS_Vertex V = TopExp::LastVertex (E1, true);
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if ( !V.IsSame( TopExp::FirstVertex(E2, true )))
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if ( !TopExp::CommonVertex( E1, E2, V ))
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return GeomAbs_C0;
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Standard_Real u1 = BRep_Tool::Parameter( V, E1 );
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Standard_Real u2 = BRep_Tool::Parameter( V, E2 );
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BRepAdaptor_Curve C1( E1 ), C2( E2 );
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try {
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#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
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OCC_CATCH_SIGNALS;
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#endif
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return BRepLProp::Continuity(C1, C2, u1, u2);
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}
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catch (Standard_Failure) {
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}
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return GeomAbs_C0;
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}
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//================================================================================
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/*!
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* \brief Return the node built on a vertex
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* \param V - the vertex
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* \param meshDS - mesh
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* \retval const SMDS_MeshNode* - found node or NULL
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*/
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//================================================================================
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const SMDS_MeshNode* SMESH_Algo::VertexNode(const TopoDS_Vertex& V,
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SMESHDS_Mesh* meshDS)
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{
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if ( SMESHDS_SubMesh* sm = meshDS->MeshElements(V) ) {
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SMDS_NodeIteratorPtr nIt= sm->GetNodes();
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if (nIt->more())
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return nIt->next();
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}
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return 0;
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}
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//================================================================================
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/*!
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* \brief Sets event listener to submeshes if necessary
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* \param subMesh - submesh where algo is set
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* \param subMesh - submesh where algo is set
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*
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* After being set, event listener is notified on each event of a submesh.
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* By default non listener is set
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@ -390,3 +446,30 @@ bool SMESH_Algo::InitCompatibleHypoFilter( SMESH_HypoFilter & theFilter,
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void SMESH_Algo::SetEventListener(SMESH_subMesh* /*subMesh*/)
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{
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}
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//================================================================================
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/*!
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* \brief Allow algo to do something after persistent restoration
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* \param subMesh - restored submesh
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*
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* This method is called only if a submesh has HYP_OK algo_state.
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*/
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//================================================================================
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void SMESH_Algo::SubmeshRestored(SMESH_subMesh* /*subMesh*/)
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{
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}
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//================================================================================
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/*!
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* \brief Computes mesh without geometry
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* \param aMesh - the mesh
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* \param aHelper - helper that must be used for adding elements to \aaMesh
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* \retval bool - is a success
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*/
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//================================================================================
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bool SMESH_Algo::Compute(SMESH_Mesh & /*aMesh*/, SMESH_MesherHelper* aHelper)
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{
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return false;
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}
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@ -34,6 +34,7 @@
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Edge.hxx>
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#include <gp_XY.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <string>
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#include <vector>
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@ -43,11 +44,13 @@
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class SMESH_Gen;
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class SMESH_Mesh;
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class SMESH_HypoFilter;
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class TopoDS_Vertex;
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class TopoDS_Face;
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class TopoDS_Shape;
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class SMESHDS_Mesh;
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class SMDS_MeshNode;
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class SMESH_subMesh;
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class SMESH_MesherHelper;
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class SMESH_Algo:public SMESH_Hypothesis
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{
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@ -102,6 +105,16 @@ public:
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*/
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virtual bool Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape) = 0;
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/*!
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* \brief Computes mesh without geometry
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* \param aMesh - the mesh
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* \param aHelper - helper that must be used for adding elements to \aaMesh
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* \retval bool - is a success
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*
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* The method is called if ( !aMesh->HasShapeToMesh() )
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*/
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virtual bool Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper);
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/*!
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* \brief Returns a list of compatible hypotheses used to mesh a shape
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* \param aMesh - the mesh
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@ -174,6 +187,9 @@ public:
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bool NeedDescretBoundary() const { return _requireDescretBoundary; }
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// 3 - is a Dim-1 mesh prerequisite
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bool NeedShape() const { return _requireShape; }
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// 4 - is shape existance required
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public:
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// ==================================================================
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// Methods to track non hierarchical dependencies between submeshes
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@ -189,6 +205,14 @@ public:
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*/
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virtual void SetEventListener(SMESH_subMesh* subMesh);
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/*!
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* \brief Allow algo to do something after persistent restoration
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* \param subMesh - restored submesh
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*
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* This method is called only if a submesh has HYP_OK algo_state.
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*/
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virtual void SubmeshRestored(SMESH_subMesh* subMesh);
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public:
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// ==================================================================
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// Common algo utilities
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@ -219,14 +243,33 @@ public:
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*/
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static double EdgeLength(const TopoDS_Edge & E);
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/*!
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* \brief Return continuity of two edges
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* \param E1 - the 1st edge
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* \param E2 - the 2nd edge
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* \retval GeomAbs_Shape - regularity at the junction between E1 and E2
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*/
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static GeomAbs_Shape Continuity(const TopoDS_Edge & E1,
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const TopoDS_Edge & E2);
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/*!
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* \brief Return the node built on a vertex
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* \param V - the vertex
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* \param meshDS - mesh
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* \retval const SMDS_MeshNode* - found node or NULL
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*/
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static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V,
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SMESHDS_Mesh* meshDS);
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protected:
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bool _onlyUnaryInput;
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bool _requireDescretBoundary;
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std::vector<std::string> _compatibleHypothesis;
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std::list<const SMESHDS_Hypothesis *> _appliedHypList;
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std::list<const SMESHDS_Hypothesis *> _usedHypList;
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bool _onlyUnaryInput;
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bool _requireDescretBoundary;
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bool _requireShape;
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// quadratic mesh creation required
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bool _quadraticMesh;
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};
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