1 // SALOME FILTER : interactive object for VISU entities implementation
3 // Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
24 // File : SALOME_PassThroughFilter.cxx
25 // Author : Laurent CORNABE with help of Nicolas REJNERI
29 #include "VTKViewer_PassThroughFilter.h"
31 #include <vtkCellData.h>
32 #include <vtkDataSet.h>
33 #include <vtkObjectFactory.h>
34 #include <vtkPointData.h>
35 #include <vtkInformation.h>
36 #include <vtkInformationVector.h>
38 vtkCxxRevisionMacro(VTKViewer_PassThroughFilter, "$Revision$");
39 vtkStandardNewMacro(VTKViewer_PassThroughFilter);
41 /*! \class VTKViewer_PassThroughFilter
42 * Passive filter take a dataset as input and create a dataset as output.\n
43 * The form of the input geometry is not changed in these filters, \n
44 * only the point attributes (e.g. scalars, vectors, etc.).
47 /*!Execute method.Output calculation.*/
48 int VTKViewer_PassThroughFilter::RequestData(
50 vtkInformationVector **inputVector,
51 vtkInformationVector *outputVector)
53 // get the info objects
54 vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
55 vtkInformation *outInfo = outputVector->GetInformationObject(0);
57 // get the input and ouptut
58 vtkDataSet *input = vtkDataSet::SafeDownCast(
59 inInfo->Get(vtkDataObject::DATA_OBJECT()));
60 vtkDataSet *output = vtkDataSet::SafeDownCast(
61 outInfo->Get(vtkDataObject::DATA_OBJECT()));
63 // This has to be here because it initialized all field datas.
64 output->CopyStructure( input );
66 //! Pass all. (data object's field data is passed by the
67 //! superclass after this method)
68 output->GetPointData()->PassData( input->GetPointData() );
69 output->GetCellData()->PassData( input->GetCellData() );
74 /*!Methods invoked by print to print information about the object including superclasses.\n
75 * Typically not called by the user (use Print() instead) but used in the hierarchical \n
76 * print process to combine the output of several classes.
77 *\param os - output stream.
79 void VTKViewer_PassThroughFilter::PrintSelf(ostream& os, vtkIndent indent)
81 this->Superclass::PrintSelf(os,indent);