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
  41         tg                                      = NULL;
  42
  43         pdn                             = vtkPolyDataNormals::New();
  44         pd                                      = vtkPolyData::New();
  45         pod                             = vtkPointData::New();
  46 }
  47
  48 //------------------------------------------------------------------------
  49 vtkTensorsVisu::~vtkTensorsVisu()
  50 {
  51 }
  52
  53
  54 //------------------------------------------------------------------------
  55 void vtkTensorsVisu::Process()
  56 {
  57   if (_active==true)
  58   {
  59         if(GetTypeForm()==2)                                                            // source superquadratic
  60         {
  61                 if (tg==NULL) { tg = vtkTensorGlyph::New(); }
  62
  63                 superquadratic->SetThetaResolution(20);
  64                 superquadratic->SetPhiResolution(20);
  65 #if VTK_MAJOR_VERSION <= 5
  66                 tg->SetSource(superquadratic->GetOutput());
  67 #else
  68                 superquadratic->Update();
  69                 tg->SetSourceData(superquadratic->GetOutput());
  70 #endif
  71         } else if(GetTypeForm()==1) {                                   // source sphere
  72 #if VTK_MAJOR_VERSION <= 5
  73                 tg->SetSource(ss->GetOutput());
  74 #else
  75                 ss->Update();
  76                 tg->SetSourceData(ss->GetOutput());
  77 #endif
  78         } else {                                                                                                // source cube
  79 #if VTK_MAJOR_VERSION <= 5
  80                 tg->SetSource(cs->GetOutput());
  81 #else
  82                 cs->Update();
  83                 tg->SetSourceData(cs->GetOutput());
  84 #endif
  85         }
  86
  87 #if VTK_MAJOR_VERSION <= 5
  88         tg->SetInput( GetDataObject() );
  89 #else
  90         tg->SetInputData( GetDataObject() );
  91 #endif
  92         //              tg->ScalingOn();
  93         //              tg->SetScaling(25);
  94         tg->SetScaleFactor( GetScaleFactor() );
  95
  96         //The normals are needed to generate the right colors and if
  97         // not used some of the glyphs are black.
  98 //EED 2017-01-01 Migration VTK7
  99 #if VTK_MAJOR_VERSION <= 5
 100         pdn->SetInput(tg->GetOutput());
 101         _pdm->SetInput( pdn->GetOutput() );
 102 #else
 103         pdn->SetInputData(tg->GetOutput());
 104         pdn->Update();
 105         _pdm->SetInputData( pdn->GetOutput() );
 106         _pdm->Update();
 107 #endif
 108         _actor->SetMapper( _pdm );
 109    _actor->GetProperty()->SetOpacity( GetOpacity() );
 110
 111    tg->SetColorModeToEigenvalues();
 112 //   tg->SetColorModeToScalars();
 113    tg->Update();
 114
 115 //EED 2017-01-01 Migration VTK7
 116 #if VTK_MAJOR_VERSION <= 5
 117         pd = tg->GetOutput();
 118         pd->Update();
 119 #else
 120         tg->Update();
 121         pd = tg->GetOutput();
 122 #endif
 123
 124         pod = pd->GetPointData();
 125         pod->Update();
 126
 127         tg->Update();
 128         vtkPolyData             *pd_pdn                         = pdn->GetOutput();
 129         vtkPointData    *pointdata_pdn          = pd_pdn->GetPointData();
 130
 131         vtkPolyData             *pd_tg                          = tg->GetOutput();
 132         vtkPointData    *pointdata_tg           = pd_tg->GetPointData();
 133
 134         vtkPolyData             *pd_do                          = (vtkPolyData*)GetDataObject();
 135         vtkPointData    *pointdata_do           = pd_do->GetPointData();
 136
 137         int numPnts = ((vtkPolyData *)GetDataObject())->GetNumberOfPoints();
 138
 139         vtkIdType numSourcePts;
 140 //      vtkIdType numSourceCells;
 141
 142         vtkPoints *sourcePts    = tg->GetSource()->GetPoints();
 143
 144
 145         numSourcePts                    = sourcePts->GetNumberOfPoints();
 146 //      numSourceCells = tg->GetSource()->GetNumberOfCells();
 147
 148         vtkDataArray *tensorsArray = pointdata_do->GetArray("tensors");
 149         if (tensorsArray)
 150    {
 151                 vtkDoubleArray  *newScalarArray                         = vtkDoubleArray::New();
 152                 newScalarArray->SetName( "NormalsEED" );
 153                 newScalarArray->SetNumberOfComponents(3);
 154                 int     iNumPts,iNumSourcePts;
 155                 int             iNormalsEED=0;
 156                 double  *normalValue;
 157                 double   sumEigenvalue,sumEigenvalue1,sumEigenvalue2,sumEigenvalue3;
 158                 unsigned char   dirx,diry,dirz;
 159                 int      idEigen;
 160                 for (iNumPts=0;iNumPts<numPnts;iNumPts++)
 161                 {
 162                         normalValue = tensorsArray->GetTuple9(iNumPts);
 163                 sumEigenvalue1 = sqrt (normalValue[0]*normalValue[0] + normalValue[1]*normalValue[1] + normalValue[2]*normalValue[2]);
 164                 sumEigenvalue2 = sqrt (normalValue[3]*normalValue[3] + normalValue[4]*normalValue[4] + normalValue[5]*normalValue[5]);
 165                 sumEigenvalue3 = sqrt (normalValue[6]*normalValue[6] + normalValue[7]*normalValue[7] + normalValue[8]*normalValue[8]);
 166
 167                         if ((sumEigenvalue1>=sumEigenvalue2) && (sumEigenvalue1>=sumEigenvalue3))
 168                         {
 169                                 sumEigenvalue=sumEigenvalue1;
 170                                 idEigen=0;
 171                         }
 172                         if ((sumEigenvalue2>sumEigenvalue1) && (sumEigenvalue2>=sumEigenvalue3))
 173                         {
 174                                 sumEigenvalue=sumEigenvalue2;
 175                                 idEigen=3;
 176                         }
 177                         if ((sumEigenvalue3>=sumEigenvalue1) && (sumEigenvalue3>=sumEigenvalue2))
 178                         {
 179                                 sumEigenvalue=sumEigenvalue3;
 180                                 idEigen=6;
 181                         }
 182
 183                         dirx = (unsigned char)( 255*fabs(normalValue[idEigen+0]/sumEigenvalue) );
 184                         diry = (unsigned char)( 255*fabs(normalValue[idEigen+1]/sumEigenvalue) );
 185                         dirz = (unsigned char)( 255*fabs(normalValue[idEigen+2]/sumEigenvalue) );
 186
 187                         for (iNumSourcePts=0;iNumSourcePts<numSourcePts;iNumSourcePts++)
 188                         {
 189 //                              newScalarArray->InsertTuple3( iNormalsEED, dirx,diry,dirz);
 190                                 newScalarArray->InsertTuple3( iNormalsEED, normalValue[idEigen+0],normalValue[idEigen+1],normalValue[idEigen+2] );
 191                                 iNormalsEED++;
 192                         } // for iNumSourcePts
 193
 194                 } // for iNumPts
 195
 196
 197                 pointdata_tg->RemoveArray( "NormalsEED" );
 198                 pointdata_tg->AddArray( newScalarArray );
 199 //              pointdata_pdn->Update();
 200                 tg->Update();
 201         } // if  tensorsArray
 202
 203         _pdm->ScalarVisibilityOn();
 204         _pdm->SetColorModeToMapScalars();
 205         //_pdm->SetColorModeToDefault();
 206         // _pdm->SetColorModeToDirectScalars();  // NOT compile
 207         _pdm->SetScalarModeToUsePointFieldData();
 208         _pdm->ImmediateModeRenderingOn();
 209
 210         _LutEED->SetVectorModeToComponent();
 211         //_LutEED->SetVectorModeToRGBColors();
 212         //_LutEED->SetVectorModeToMagnitud();
 213         _pdm->SetLookupTable( _LutEED );
 214         _pdm->SelectColorArray( "NormalsEED" );
 215
 216 //EED 2017-01-01 Migration VTK7
 217 #if VTK_MAJOR_VERSION <= 5
 218   //...
 219 #else
 220         _pdm->Update();
 221 #endif
 222
 223 /*
 224                         int i,sizeDa = pointdata_tg->GetNumberOfArrays();
 225                         printf("EED vtkTensorsVisu::Process  sizeDa %d \n", sizeDa );
 226                         for (i=0;i<sizeDa;i++)
 227                         {
 228                                 int faces = pointdata_tg->GetArray(i)->GetSize() / numPnts;
 229 //pointdata_pdn->GetArray(i)->Print( std::cout );
 230                                 printf("EED vtkTensorsVisu::Process-name %d, %s, size=%d   %d \n", i, pointdata_tg->GetArrayName(i) , pointdata_tg->GetArray(i)->GetSize(), faces );
 231
 232                         }
 233 */
 234   } // _active
 235   VisibilityActor();
 236 }
 237