From 9ab8a760fc7ac03ea736e62ab81c3235032b9a7f Mon Sep 17 00:00:00 2001 From: eap Date: Thu, 29 Dec 2005 15:00:01 +0000 Subject: [PATCH] PAL10953: add a method returning hypothesis params by existing mesh --- src/SMESH_I/SMESH_Gen_i.cxx | 84 ++++++++++++++++++++++++++++++++++++- src/SMESH_I/SMESH_Gen_i.hxx | 7 ++++ 2 files changed, 90 insertions(+), 1 deletion(-) diff --git a/src/SMESH_I/SMESH_Gen_i.cxx b/src/SMESH_I/SMESH_Gen_i.cxx index f4999c97f..6b07cada0 100644 --- a/src/SMESH_I/SMESH_Gen_i.cxx +++ b/src/SMESH_I/SMESH_Gen_i.cxx @@ -41,6 +41,8 @@ #include #include #include +#include +#include #include #include #include @@ -64,6 +66,8 @@ #include "SMESHDS_Document.hxx" #include "SMESHDS_Group.hxx" #include "SMESHDS_GroupOnGeom.hxx" +#include "SMESH_Mesh.hxx" +#include "SMESH_Hypothesis.hxx" #include "SMESH_Group.hxx" #include "SMDS_EdgePosition.hxx" @@ -490,6 +494,84 @@ SMESH::SMESH_Hypothesis_ptr SMESH_Gen_i::CreateHypothesis( const char* theHypNam return hyp._retn(); } +//================================================================================ +/*! + * \brief Return hypothesis of given type holding parameter values of the existing mesh + * \param theHypType - hypothesis type name + * \param theLibName - plugin library name + * \param theMesh - The mesh of interest + * \param theGeom - The shape to get parameter values from + * \retval SMESH::SMESH_Hypothesis_ptr - The returned hypothesis may be the one existing + * in a study and used to compute the mesh, or a temporary one created just to pass + * parameter values + */ +//================================================================================ + +SMESH::SMESH_Hypothesis_ptr +SMESH_Gen_i::GetHypothesisParameterValues (const char* theHypType, + const char* theLibName, + SMESH::SMESH_Mesh_ptr theMesh, + GEOM::GEOM_Object_ptr theGeom) + throw ( SALOME::SALOME_Exception ) +{ + Unexpect aCatch(SALOME_SalomeException); + if ( CORBA::is_nil( theMesh ) ) + THROW_SALOME_CORBA_EXCEPTION( "bad Mesh reference", SALOME::BAD_PARAM ); + if ( CORBA::is_nil( theGeom ) ) + THROW_SALOME_CORBA_EXCEPTION( "bad shape object reference", SALOME::BAD_PARAM ); + + // ----------------------------------------------- + // find hypothesis used to mesh theGeom + // ----------------------------------------------- + + // get mesh and shape + SMESH_Mesh_i* meshServant = SMESH::DownCast( theMesh ); + TopoDS_Shape shape = GeomObjectToShape( theGeom ); + if ( !meshServant || shape.IsNull() ) + return SMESH::SMESH_Hypothesis::_nil(); + ::SMESH_Mesh& mesh = meshServant->GetImpl(); + + if ( mesh.NbNodes() == 0 ) // empty mesh + return SMESH::SMESH_Hypothesis::_nil(); + + // create a temporary hypothesis to know its dimention + SMESH::SMESH_Hypothesis_var tmpHyp = this->createHypothesis( theHypType, theLibName ); + SMESH_Hypothesis_i* hypServant = SMESH::DownCast( tmpHyp ); + if ( !hypServant ) + return SMESH::SMESH_Hypothesis::_nil(); + ::SMESH_Hypothesis* hyp = hypServant->GetImpl(); + + // look for a hypothesis of theHypType used to mesh the shape + if ( myGen.GetShapeDim( shape ) == hyp->GetDim() ) + { + // check local shape + SMESH::ListOfHypothesis_var aHypList = theMesh->GetHypothesisList( theGeom ); + int nbLocalHyps = aHypList->length(); + for ( int i = 0; i < nbLocalHyps; i++ ) + if ( strcmp( theHypType, aHypList[i]->GetName() ) == 0 ) // FOUND local! + return SMESH::SMESH_Hypothesis::_duplicate( aHypList[i] ); + // check super shapes + TopTools_ListIteratorOfListOfShape itShape( mesh.GetAncestors( shape )); + while ( nbLocalHyps == 0 && itShape.More() ) { + GEOM::GEOM_Object_ptr geomObj = ShapeToGeomObject( itShape.Value() ); + if ( ! CORBA::is_nil( geomObj )) { + SMESH::ListOfHypothesis_var aHypList = theMesh->GetHypothesisList( geomObj ); + nbLocalHyps = aHypList->length(); + for ( int i = 0; i < nbLocalHyps; i++ ) + if ( strcmp( theHypType, aHypList[i]->GetName() ) == 0 ) // FOUND global! + return SMESH::SMESH_Hypothesis::_duplicate( aHypList[i] ); + } + itShape.Next(); + } + } + + // let the temporary hypothesis find out some how parameter values + if ( hyp->SetParametersByMesh( &mesh, shape )) + return SMESH::SMESH_Hypothesis::_duplicate( tmpHyp ); + + return SMESH::SMESH_Hypothesis::_nil(); +} + //============================================================================= /*! * SMESH_Gen_i::CreateMesh @@ -506,7 +588,7 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMesh( GEOM::GEOM_Object_ptr theShapeObj // create mesh SMESH::SMESH_Mesh_var mesh = this->createMesh(); // set shape - SMESH_Mesh_i* meshServant = dynamic_cast( GetServant( mesh ).in() ); + SMESH_Mesh_i* meshServant = SMESH::DownCast( mesh ); ASSERT( meshServant ); meshServant->SetShape( theShapeObject ); diff --git a/src/SMESH_I/SMESH_Gen_i.hxx b/src/SMESH_I/SMESH_Gen_i.hxx index b2d6d882a..63bf5168b 100644 --- a/src/SMESH_I/SMESH_Gen_i.hxx +++ b/src/SMESH_I/SMESH_Gen_i.hxx @@ -176,6 +176,13 @@ public: const char* theLibName) throw ( SALOME::SALOME_Exception ); + // Return hypothesis of given type holding parameter values of the existing mesh + SMESH::SMESH_Hypothesis_ptr GetHypothesisParameterValues (const char* theHypType, + const char* theLibName, + SMESH::SMESH_Mesh_ptr theMesh, + GEOM::GEOM_Object_ptr theGeom) + throw ( SALOME::SALOME_Exception ); + // Create empty mesh on a shape SMESH::SMESH_Mesh_ptr CreateMesh( GEOM::GEOM_Object_ptr theShapeObject ) throw ( SALOME::SALOME_Exception ); -- 2.39.2