lib/creaVtk/creaVtkStreamTracer.cpp

   1 /*
   2 # ---------------------------------------------------------------------
   3 #
   4 # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
   5 #                        pour la Sante)
   6 # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
   7 # Previous Authors : Laurent Guigues, Jean-Pierre Roux
   8 # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
   9 #
  10 #  This software is governed by the CeCILL-B license under French law and
  11 #  abiding by the rules of distribution of free software. You can  use,
  12 #  modify and/ or redistribute the software under the terms of the CeCILL-B
  13 #  license as circulated by CEA, CNRS and INRIA at the following URL
  14 #  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  15 #  or in the file LICENSE.txt.
  16 #
  17 #  As a counterpart to the access to the source code and  rights to copy,
  18 #  modify and redistribute granted by the license, users are provided only
  19 #  with a limited warranty  and the software's author,  the holder of the
  20 #  economic rights,  and the successive licensors  have only  limited
  21 #  liability.
  22 #
  23 #  The fact that you are presently reading this means that you have had
  24 #  knowledge of the CeCILL-B license and that you accept its terms.
  25 # ------------------------------------------------------------------------
  26 */
  27
  28 #include "creaVtkStreamTracer.h"
  29
  30 //-----------------------------------------------------------------------------
  31 creaVtkStreamTracer::creaVtkStreamTracer()
  32 {
  33         _source                 = vtkPointSource::New();
  34         _streamer               = vtkStreamTracer::New();
  35 }
  36
  37 //-----------------------------------------------------------------------------
  38 creaVtkStreamTracer::~creaVtkStreamTracer()
  39 {
  40 }
  41
  42
  43 //------------------------------------------------------------------------
  44 void creaVtkStreamTracer::SetActive(bool active)
  45 {
  46    _active = active;
  47 }
  48
  49 //------------------------------------------------------------------------
  50 void creaVtkStreamTracer::SetDataObject(vtkDataObject* dataobject)
  51 {
  52         _dataobject = dataobject;
  53 }
  54
  55 //---------------------------------------------
  56 vtkPolyData* creaVtkStreamTracer::GetPolyData()
  57 {
  58         return _streamer->GetOutput();
  59 }
  60
  61 //---------------------------------------------
  62 void creaVtkStreamTracer::SetSourcePoints( vtkDataSet* sourcepoints)
  63 {
  64         _sourcePoints = sourcepoints;
  65 }
  66
  67 //-----------------------------------------------------------------------------
  68 void creaVtkStreamTracer::Process()
  69 {
  70                 if (_active==true)
  71                 {
  72 //                      if (_firsttime==true)
  73 //                      {
  74 //                              _firsttime=false;
  75 //                              _vPointWidget->AllOff();
  76 //                              _vPointWidget->PlaceWidget();
  77 //                              _vPointWidget->SetInteractor( GetRenderer()->GetRenderWindow()->GetInteractor() );
  78 //                              _source->SetNumberOfPoints(1000);
  79 //                              _source->SetRadius(5.0);
  80 //                      }
  81 //EED1                  _vPointWidget->On();
  82 //                      double c[3];
  83 //                      _vPointWidget->GetPosition(c);
  84 //                      _source->SetCenter( c );
  85 //                      _source->Update();
  86
  87                         _streamer->SetInput( _dataobject );
  88 //EED1  _streamer->SetSource( _source->GetOutput() );
  89                         _streamer->SetSource( _sourcePoints );
  90                         _streamer->SetIntegratorTypeToRungeKutta45();
  91                         _streamer->SetMaximumPropagation(500);
  92 //EED           _streamer->SetMaximumPropagationUnitToTimeUnit();
  93                         _streamer->SetInitialIntegrationStep (0.001);
  94 //EED           _streamer->SetInitialIntegrationStepUnitToCellLengthUnit();
  95                         _streamer->SetIntegrationDirectionToBoth();
  96 //EED    streamer->ComputeVorticityOn ();
  97                         _streamer->Update();
  98
  99 //                      _streamer->Print(std::cout);
 100 //                      _streamer->GetOutput()->Print(std::cout);
 101
 102         } // active
 103 }
 104
 105
 106
 107 //---------------------------------------------
 108 //Method template
 109 //---------------------------------------------
 110 /*
 111 void creaVtkStreamTracer::FunctionName(int& parameterA)
 112 {
 113   parameterA = 2 * parameterA;
 114   return;
 115 }
 116 */