1 // Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 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
23 // SALOME FILTER : interactive object for VISU entities implementation
24 // File : SALOME_TransformFilter.h
25 // Author : Laurent CORNABE with help of Nicolas REJNERI
28 #include "VTKViewer_TransformFilter.h"
29 #include "VTKViewer_Transform.h"
31 #include <vtkObjectFactory.h>
32 #include <vtkPointSet.h>
33 #include <vtkPointData.h>
34 #include <vtkCellData.h>
35 #include <vtkPoints.h>
36 #include <vtkInformation.h>
37 #include <vtkInformationVector.h>
39 vtkStandardNewMacro(VTKViewer_TransformFilter);
41 /*!Execution method. Calculate output.*/
42 int VTKViewer_TransformFilter::RequestData(
43 vtkInformation *vtkNotUsed(request),
44 vtkInformationVector **inputVector,
45 vtkInformationVector *outputVector)
47 // get the info objects
48 vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
49 vtkInformation *outInfo = outputVector->GetInformationObject(0);
51 // get the input and ouptut
52 vtkPointSet *input = vtkPointSet::SafeDownCast(
53 inInfo->Get(vtkDataObject::DATA_OBJECT()));
54 vtkPointSet *output = vtkPointSet::SafeDownCast(
55 outInfo->Get(vtkDataObject::DATA_OBJECT()));
59 int numPts/*, numCells*/;
60 vtkPointData *pd=input->GetPointData(), *outPD=output->GetPointData();
61 vtkCellData *cd=input->GetCellData(), *outCD=output->GetCellData();
62 output->CopyStructure( input );
64 bool anIsIdentity = true;
65 if(VTKViewer_Transform* aTransform = dynamic_cast<VTKViewer_Transform*>(Transform))
66 anIsIdentity = aTransform->IsIdentity() != 0;
67 inPts = input->GetPoints();
68 if(!anIsIdentity && inPts){
69 numPts = inPts->GetNumberOfPoints();
70 // numCells = input->GetNumberOfCells();
71 newPts = vtkPoints::New();
72 newPts->Allocate(numPts);
73 this->UpdateProgress(.2);
74 this->Transform->TransformPoints(inPts,newPts);
75 this->UpdateProgress(.8);
76 output->SetPoints(newPts);
82 InvokeEvent("VTKViewer_TransformFilter::TransformationFinished");