+//=======================================================================
+//function : Reorient2DBy3D
+//purpose : Reorient faces basing on orientation of adjacent volumes.
+//=======================================================================
+
+CORBA::Long SMESH_MeshEditor_i::Reorient2DBy3D(const SMESH::ListOfIDSources& faceGroups,
+ SMESH::SMESH_IDSource_ptr volumeGroup,
+ CORBA::Boolean outsideNormal)
+ throw (SALOME::SALOME_Exception)
+{
+ SMESH_TRY;
+ initData();
+
+ TIDSortedElemSet volumes;
+ prepareIdSource( volumeGroup );
+ IDSource_Error volsError;
+ idSourceToSet( volumeGroup, getMeshDS(), volumes, SMDSAbs_Volume, /*emptyIfMesh=*/1, &volsError);
+
+ int nbReori = 0;
+ for ( size_t i = 0; i < faceGroups.length(); ++i )
+ {
+ SMESH::SMESH_IDSource_ptr faceGrp = faceGroups[i].in();
+ prepareIdSource( faceGrp );
+
+ TIDSortedElemSet faces;
+ IDSource_Error error;
+ idSourceToSet( faceGrp, getMeshDS(), faces, SMDSAbs_Face, /*emptyIfIsMesh=*/1, &error );
+ if ( error == IDSource_INVALID && faceGroups.length() == 1 )
+ THROW_SALOME_CORBA_EXCEPTION("No faces in a given object", SALOME::BAD_PARAM);
+ if ( error == IDSource_OK && volsError != IDSource_OK )
+ THROW_SALOME_CORBA_EXCEPTION("No volumes in a given object", SALOME::BAD_PARAM);
+
+ nbReori += getEditor().Reorient2DBy3D( faces, volumes, outsideNormal );
+
+ if ( error != IDSource_EMPTY && faces.empty() ) // all faces in the mesh treated
+ break;
+ }
+
+ if ( nbReori ) {
+ declareMeshModified( /*isReComputeSafe=*/false );
+ }
+ TPythonDump() << this << ".Reorient2DBy3D( "
+ << faceGroups << ", "
+ << volumeGroup << ", "
+ << outsideNormal << " )";
+
+ return nbReori;
+
+ SMESH_CATCH( SMESH::throwCorbaException );
+ return 0;
+}
+