1 // VISU OBJECT : 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
23 // File: VISU_PipeLine.cxx
24 // Author: Alexey PETROV
28 #include "VISU_DeformedShapePL.hxx"
29 #include "VISU_PipeLineUtils.hxx"
30 #include "VTKViewer_Transform.h"
32 #include <vtkWarpVector.h>
34 vtkStandardNewMacro(VISU_DeformedShapePL);
37 ::VISU_DeformedShapePL()
39 myWarpVector = vtkWarpVector::New();
40 myCellDataToPointData = vtkCellDataToPointData::New();
44 ::~VISU_DeformedShapePL()
46 myWarpVector->UnRegisterAllOutputs();
47 myWarpVector->Delete();
49 myCellDataToPointData->UnRegisterAllOutputs();
50 myCellDataToPointData->Delete();
55 ::ShallowCopy(VISU_PipeLine *thePipeLine)
57 if(VISU_DeformedShapePL *aPipeLine = dynamic_cast<VISU_DeformedShapePL*>(thePipeLine)){
58 SetScale(aPipeLine->GetScale());
60 VISU_ScalarMapPL::ShallowCopy(thePipeLine);
65 ::GetScaleFactor(vtkDataSet* theDataSet)
67 if(!theDataSet) return 0.0;
69 int aNbCells = theDataSet->GetNumberOfCells();
70 int aNbPoints = theDataSet->GetNumberOfPoints();
71 int aNbElem = aNbCells? aNbCells: aNbPoints;
72 vtkFloatingPointType* aBounds = theDataSet->GetBounds();
73 vtkFloatingPointType aVolume = 1, aVol, idim = 0;
74 for(int i = 0; i < 6; i += 2){
75 aVol = fabs(aBounds[i+1] - aBounds[i]);
82 return pow(aVolume,vtkFloatingPointType(1.0/idim));
88 ::SetScale(vtkFloatingPointType theScale)
90 myWarpVector->SetScaleFactor(theScale);
91 myScaleFactor = theScale;
106 VISU_ScalarMapPL::Init();
107 vtkFloatingPointType aScalarRange[2];
108 GetSourceRange(aScalarRange);
110 vtkDataSet* aDataSet = GetInput2();
111 vtkFloatingPointType aScaleFactor = VISU_DeformedShapePL::GetScaleFactor( aDataSet );
113 static double EPS = 1.0 / VTK_LARGE_FLOAT;
114 if(fabs(aScalarRange[1]) > EPS)
115 SetScale(aScaleFactor / aScalarRange[1]);
120 VISU_ScalarMapPL::THook*
124 VISU::CellDataToPoint(myWarpVector,myCellDataToPointData,GetInput2(),myFieldTransform);
125 return myWarpVector->GetOutput();
132 VISU_ScalarMapPL::Update();
137 ::SetMapScale(vtkFloatingPointType theMapScale)
139 VISU_ScalarMapPL::SetMapScale(theMapScale);
141 myWarpVector->SetScaleFactor(myScaleFactor*theMapScale);