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