From: eap Date: Tue, 14 Jun 2011 13:54:32 +0000 (+0000) Subject: 0020743: EDF 1271 SMESH : Create a mesh from a group / FindElementByPoint() groups X-Git-Tag: V6_4_0a1~213 X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=7d0549090a7d5d931b6551fc7dccefbd6cf83b9f;p=modules%2Fsmesh.git 0020743: EDF 1271 SMESH : Create a mesh from a group / FindElementByPoint() groups + /*! + * Searching among the given elements, return elements of given type + * where the given point is IN or ON. + * 'ALL' type means elements of any type excluding nodes + */ + SMESH::long_array* FindAmongElementsByPoint(SMESH::SMESH_IDSource_ptr elements, + CORBA::Double x, + CORBA::Double y, + CORBA::Double z, + SMESH::ElementType type); --- diff --git a/src/SMESH_I/SMESH_MeshEditor_i.cxx b/src/SMESH_I/SMESH_MeshEditor_i.cxx index 70462b115..9eb4ebdfd 100644 --- a/src/SMESH_I/SMESH_MeshEditor_i.cxx +++ b/src/SMESH_I/SMESH_MeshEditor_i.cxx @@ -29,18 +29,20 @@ #include "SMESH_MeshEditor_i.hxx" -#include "SMDS_Mesh0DElement.hxx" #include "SMDS_LinearEdge.hxx" +#include "SMDS_Mesh0DElement.hxx" #include "SMDS_MeshFace.hxx" #include "SMDS_MeshVolume.hxx" #include "SMDS_PolyhedralVolumeOfNodes.hxx" -#include "SMESH_subMeshEventListener.hxx" -#include "SMESH_Gen_i.hxx" +#include "SMDS_SetIterator.hxx" +#include "SMESHDS_Group.hxx" +#include "SMESH_ControlsDef.hxx" #include "SMESH_Filter_i.hxx" -#include "SMESH_subMesh_i.hxx" +#include "SMESH_Gen_i.hxx" #include "SMESH_Group_i.hxx" #include "SMESH_PythonDump.hxx" -#include "SMESH_ControlsDef.hxx" +#include "SMESH_subMeshEventListener.hxx" +#include "SMESH_subMesh_i.hxx" #include "utilities.h" #include "Utils_ExceptHandlers.hxx" @@ -165,6 +167,7 @@ namespace { struct TSearchersDeleter : public SMESH_subMeshEventListener { SMESH_Mesh* myMesh; + string myMeshPartIOR; //!< Constructor TSearchersDeleter(): SMESH_subMeshEventListener( false ), // won't be deleted by submesh myMesh(0) {} @@ -185,15 +188,16 @@ namespace { } } //!< set self on all submeshes and delete theNodeSearcher if other mesh is set - void Set(SMESH_Mesh* mesh) + void Set(SMESH_Mesh* mesh, const string& meshPartIOR = string()) { - if ( myMesh != mesh ) + if ( myMesh != mesh || myMeshPartIOR != meshPartIOR) { if ( myMesh ) { Delete(); Unset( myMesh ); } myMesh = mesh; + myMeshPartIOR = meshPartIOR; if ( SMESH_subMesh* myMainSubMesh = mesh->GetSubMeshContaining(1) ) { const TDependsOnMap & subMeshes = myMainSubMesh->DependsOn(); TDependsOnMap::const_iterator sm; @@ -4288,7 +4292,7 @@ SMESH::long_array* SMESH_MeshEditor_i::FindElementsByPoint(CORBA::Double x, res[i] = foundElems[i]->GetID(); if ( !myPreviewMode ) // call from tui - TPythonDump() << res << " = " << this << ".FindElementsByPoint( " + TPythonDump() << "res = " << this << ".FindElementsByPoint( " << x << ", " << y << ", " << z << ", " @@ -4297,6 +4301,77 @@ SMESH::long_array* SMESH_MeshEditor_i::FindElementsByPoint(CORBA::Double x, return res._retn(); } +//======================================================================= +//function : FindAmongElementsByPoint +//purpose : Searching among the given elements, return elements of given type +// where the given point is IN or ON. +// 'ALL' type means elements of any type excluding nodes +//======================================================================= + +SMESH::long_array* +SMESH_MeshEditor_i::FindAmongElementsByPoint(SMESH::SMESH_IDSource_ptr elementIDs, + CORBA::Double x, + CORBA::Double y, + CORBA::Double z, + SMESH::ElementType type) +{ + SMESH::long_array_var res = new SMESH::long_array; + + SMESH::array_of_ElementType_var types = elementIDs->GetTypes(); + if ( types->length() == 1 && // a part contains only nodes or 0D elements + ( types[0] == SMESH::NODE || types[0] == SMESH::ELEM0D ) && + type != types[0] ) // but search of elements of dim > 0 + return res._retn(); + + if ( SMESH::DownCast( elementIDs )) // elementIDs is the whole mesh + return FindElementsByPoint( x,y,z, type ); + + string partIOR = SMESH_Gen_i::GetORB()->object_to_string( elementIDs ); + if ( SMESH_Group_i* group_i = SMESH::DownCast( elementIDs )) + // take into account passible group modification + partIOR += SMESH_Comment( ((SMESHDS_Group*)group_i->GetGroupDS())->SMDSGroup().Tic() ); + partIOR += SMESH_Comment( type ); + + TIDSortedElemSet elements; // elems should live until FindElementsByPoint() finishes + + theSearchersDeleter.Set( myMesh, partIOR ); + if ( !theElementSearcher ) + { + // create a searcher from elementIDs + SMESH::SMESH_Mesh_var mesh = elementIDs->GetMesh(); + SMESHDS_Mesh* meshDS = SMESH::DownCast( mesh )->GetImpl().GetMeshDS(); + + if ( !idSourceToSet( elementIDs, meshDS, elements, + SMDSAbs_ElementType(type), /*emptyIfIsMesh=*/true)) + return res._retn(); + + typedef SMDS_SetIterator TIter; + SMDS_ElemIteratorPtr elemsIt( new TIter( elements.begin(), elements.end() )); + + ::SMESH_MeshEditor anEditor( myMesh ); + theElementSearcher = anEditor.GetElementSearcher(elemsIt); + } + + vector< const SMDS_MeshElement* > foundElems; + + theElementSearcher->FindElementsByPoint( gp_Pnt( x,y,z ), + SMDSAbs_ElementType( type ), + foundElems); + res->length( foundElems.size() ); + for ( int i = 0; i < foundElems.size(); ++i ) + res[i] = foundElems[i]->GetID(); + + if ( !myPreviewMode ) // call from tui + TPythonDump() << "res = " << this << ".FindAmongElementsByPoint( " + << elementIDs << ", " + << x << ", " + << y << ", " + << z << ", " + << type << " )"; + + return res._retn(); + +} //======================================================================= //function : GetPointState //purpose : Return point state in a closed 2D mesh in terms of TopAbs_State enumeration. diff --git a/src/SMESH_I/SMESH_MeshEditor_i.hxx b/src/SMESH_I/SMESH_MeshEditor_i.hxx index fc6b89418..840008071 100644 --- a/src/SMESH_I/SMESH_MeshEditor_i.hxx +++ b/src/SMESH_I/SMESH_MeshEditor_i.hxx @@ -483,6 +483,16 @@ public: CORBA::Double y, CORBA::Double z, SMESH::ElementType type); + /*! + * Searching among the given elements, return elements of given type + * where the given point is IN or ON. + * 'ALL' type means elements of any type excluding nodes + */ + SMESH::long_array* FindAmongElementsByPoint(SMESH::SMESH_IDSource_ptr elements, + CORBA::Double x, + CORBA::Double y, + CORBA::Double z, + SMESH::ElementType type); /*! * Return point state in a closed 2D mesh in terms of TopAbs_State enumeration.