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