lib/creaVtk/vtkTensorsVisu.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 "vtkTensorsVisu.h"
  29
  30 #include "vtkProperty.h"
  31 #include "vtkDoubleArray.h"
  32
  33
  34 //------------------------------------------------------------------------
  35 vtkTensorsVisu::vtkTensorsVisu() : vtkVectorsTensorsVisuBase()
  36 {
  37         ss                                      = vtkSphereSource::New();
  38         superquadratic  = vtkSuperquadricSource::New();
  39         cs                                      = vtkCubeSource::New();
  40         tg                                      = vtkTensorGlyph::New();
  41         pdn                                     = vtkPolyDataNormals::New();
  42         pd                                      = vtkPolyData::New();
  43         pod                                     = vtkPointData::New();
  44 }
  45
  46 //------------------------------------------------------------------------
  47 vtkTensorsVisu::~vtkTensorsVisu()
  48 {
  49 }
  50
  51
  52 //------------------------------------------------------------------------
  53 void vtkTensorsVisu::Process()
  54 {
  55   if (_active==true)
  56   {
  57         if(GetTypeForm()==2)                                                            // source superquadratic
  58         {
  59                 superquadratic->SetThetaResolution(20);
  60                 superquadratic->SetPhiResolution(20);
  61 #if VTK_MAJOR_VERSION <= 5
  62                 tg->SetSource(superquadratic->GetOutput());
  63 #else
  64                 tg->SetSourceData(superquadratic->GetOutput());
  65 #endif
  66         } else if(GetTypeForm()==1) {                                   // source sphere
  67 #if VTK_MAJOR_VERSION <= 5
  68                 tg->SetSource(ss->GetOutput());
  69 #else
  70                 tg->SetSourceData(ss->GetOutput());
  71 #endif
  72         } else {                                                                                                // source cube
  73 #if VTK_MAJOR_VERSION <= 5
  74                 tg->SetSource(cs->GetOutput());
  75 #else
  76                 tg->SetSourceData(cs->GetOutput());
  77 #endif
  78         }
  79
  80 #if VTK_MAJOR_VERSION <= 5
  81         tg->SetInput( GetDataObject() );
  82 #else
  83         tg->SetInputData( GetDataObject() );
  84 #endif
  85         //              tg->ScalingOn();
  86         //              tg->SetScaling(25);
  87         tg->SetScaleFactor( GetScaleFactor() );
  88
  89         //The normals are needed to generate the right colors and if
  90         // not used some of the glyphs are black.
  91 //EED 2017-01-01 Migration VTK7
  92 #if VTK_MAJOR_VERSION <= 5
  93         pdn->SetInput(tg->GetOutput());
  94         _pdm->SetInput( pdn->GetOutput() );
  95 #else
  96         pdn->SetInputData(tg->GetOutput());
  97         _pdm->SetInputData( pdn->GetOutput() );
  98 #endif
  99         _actor->SetMapper( _pdm );
 100    _actor->GetProperty()->SetOpacity( GetOpacity() );
 101
 102    tg->SetColorModeToEigenvalues();
 103 //   tg->SetColorModeToScalars();
 104    tg->Update();
 105
 106 //EED 2017-01-01 Migration VTK7
 107 #if VTK_MAJOR_VERSION <= 5
 108         pd = tg->GetOutput();
 109         pd->Update();
 110 #else
 111         tg->Update();
 112         pd = tg->GetOutput();
 113 #endif
 114
 115         pod = pd->GetPointData();
 116         pod->Update();
 117
 118         tg->Update();
 119         vtkPolyData             *pd_pdn                         = pdn->GetOutput();
 120         vtkPointData    *pointdata_pdn          = pd_pdn->GetPointData();
 121
 122         vtkPolyData             *pd_tg                          = tg->GetOutput();
 123         vtkPointData    *pointdata_tg           = pd_tg->GetPointData();
 124
 125         vtkPolyData             *pd_do                          = (vtkPolyData*)GetDataObject();
 126         vtkPointData    *pointdata_do           = pd_do->GetPointData();
 127
 128         int numPnts = ((vtkPolyData *)GetDataObject())->GetNumberOfPoints();
 129
 130         vtkIdType numSourcePts;
 131 //      vtkIdType numSourceCells;
 132
 133         vtkPoints *sourcePts = tg->GetSource()->GetPoints();
 134         numSourcePts = sourcePts->GetNumberOfPoints();
 135 //      numSourceCells = tg->GetSource()->GetNumberOfCells();
 136
 137         vtkDataArray *tensorsArray = pointdata_do->GetArray("tensors");
 138         if (tensorsArray)
 139    {
 140                 vtkDoubleArray  *newScalarArray                         = vtkDoubleArray::New();
 141                 newScalarArray->SetName( "NormalsEED" );
 142                 newScalarArray->SetNumberOfComponents(3);
 143                 int             iNumPts,iNumSourcePts;
 144                 int             iNormalsEED=0;
 145                 double  *normalValue;
 146                 double   sumEigenvalue,sumEigenvalue1,sumEigenvalue2,sumEigenvalue3;
 147                 unsigned char   dirx,diry,dirz;
 148                 int      idEigen;
 149                 for (iNumPts=0;iNumPts<numPnts;iNumPts++)
 150                 {
 151                         normalValue = tensorsArray->GetTuple9(iNumPts);
 152          sumEigenvalue1 = sqrt (normalValue[0]*normalValue[0] + normalValue[1]*normalValue[1] + normalValue[2]*normalValue[2]);
 153          sumEigenvalue2 = sqrt (normalValue[3]*normalValue[3] + normalValue[4]*normalValue[4] + normalValue[5]*normalValue[5]);
 154          sumEigenvalue3 = sqrt (normalValue[6]*normalValue[6] + normalValue[7]*normalValue[7] + normalValue[8]*normalValue[8]);
 155
 156                         if ((sumEigenvalue1>=sumEigenvalue2) && (sumEigenvalue1>=sumEigenvalue3))
 157                         {
 158                                 sumEigenvalue=sumEigenvalue1;
 159                                 idEigen=0;
 160                         }
 161                         if ((sumEigenvalue2>sumEigenvalue1) && (sumEigenvalue2>=sumEigenvalue3))
 162                         {
 163                                 sumEigenvalue=sumEigenvalue2;
 164                                 idEigen=3;
 165                         }
 166                         if ((sumEigenvalue3>=sumEigenvalue1) && (sumEigenvalue3>=sumEigenvalue2))
 167                         {
 168                                 sumEigenvalue=sumEigenvalue3;
 169                                 idEigen=6;
 170                         }
 171
 172                         dirx = (unsigned char)( 255*fabs(normalValue[idEigen+0]/sumEigenvalue) );
 173                         diry = (unsigned char)( 255*fabs(normalValue[idEigen+1]/sumEigenvalue) );
 174                         dirz = (unsigned char)( 255*fabs(normalValue[idEigen+2]/sumEigenvalue) );
 175
 176                         for (iNumSourcePts=0;iNumSourcePts<numSourcePts;iNumSourcePts++)
 177                         {
 178 //                              newScalarArray->InsertTuple3( iNormalsEED, dirx,diry,dirz);
 179                                 newScalarArray->InsertTuple3( iNormalsEED, normalValue[idEigen+0],normalValue[idEigen+1],normalValue[idEigen+2] );
 180                                 iNormalsEED++;
 181                         } // for iNumSourcePts
 182
 183                 } // for iNumPts
 184                 pointdata_tg->RemoveArray( "NormalsEED" );
 185                 pointdata_tg->AddArray( newScalarArray );
 186 //              pointdata_pdn->Update();
 187                 tg->Update();
 188         } // if  tensorsArray
 189
 190
 191
 192         _pdm->ScalarVisibilityOn();
 193         _pdm->SetColorModeToMapScalars();
 194         //_pdm->SetColorModeToDefault();
 195         // _pdm->SetColorModeToDirectScalars();  // NOT compile
 196         _pdm->SetScalarModeToUsePointFieldData();
 197         _pdm->ImmediateModeRenderingOn();
 198
 199         _LutEED->SetVectorModeToComponent();
 200         //_LutEED->SetVectorModeToRGBColors();
 201         //_LutEED->SetVectorModeToMagnitud();
 202         _pdm->SetLookupTable( _LutEED );
 203         _pdm->SelectColorArray( "NormalsEED" );
 204
 205
 206 /*
 207                         int i,sizeDa = pointdata_tg->GetNumberOfArrays();
 208                         printf("EED vtkTensorsVisu::Process  sizeDa %d \n", sizeDa );
 209                         for (i=0;i<sizeDa;i++)
 210                         {
 211                                 int faces = pointdata_tg->GetArray(i)->GetSize() / numPnts;
 212 //pointdata_pdn->GetArray(i)->Print( std::cout );
 213                                 printf("EED vtkTensorsVisu::Process-name %d, %s, size=%d   %d \n", i, pointdata_tg->GetArrayName(i) , pointdata_tg->GetArray(i)->GetSize(), faces );
 214
 215                         }
 216 */
 217
 218
 219   } // _active
 220
 221     VisibilityActor();
 222
 223 }
 224