lib/creaVtk/vtkVectorsTensorsVisuBase.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 "vtkVectorsTensorsVisuBase.h"
  29 #include "vtkObjectFactory.h"
  30
  31 vtkStandardNewMacro(vtkLookupTableDirectionVector);
  32
  33 // Construct with range=(0,1); and hsv ranges set up for rainbow color table
  34 // (from red to blue).
  35 vtkLookupTableDirectionVector::vtkLookupTableDirectionVector(int sze, int ext)
  36 {
  37         this->TableRange[0] = 0.0;
  38         this->TableRange[1] = 1.0;
  39 }
  40
  41 //----------------------------------------------------------------------------
  42 vtkLookupTableDirectionVector::~vtkLookupTableDirectionVector()
  43 {
  44 }
  45
  46 unsigned char *vtkLookupTableDirectionVector::MapValue(double v)
  47 {
  48
  49         //int idx = this->GetIndex(v);
  50         //return (this->Table->GetPointer(0) + 4*idx);
  51         return 0;
  52 }
  53
  54 void vtkLookupTableDirectionVector::GetColor(double v, double rgb[3])
  55 {
  56 //      unsigned char *rgb8 = this->MapValue(v);
  57 //      rgb[0] = rgb8[0]/255.0;
  58 //      rgb[1] = rgb8[1]/255.0;
  59 //      rgb[2] = rgb8[2]/255.0;
  60
  61         rgb[0] = 1;
  62         rgb[1] = 1;
  63         rgb[2] = 0;
  64 }
  65
  66
  67 void vtkLookupTableDirectionVector::SetTableRange(double r[2])
  68 {
  69         this->SetTableRange(r[0],r[1]);
  70 }
  71
  72 //----------------------------------------------------------------------------
  73 // Set the minimum/maximum scalar values for scalar mapping. Scalar values
  74 // less than minimum range value are clamped to minimum range value.
  75 // Scalar values greater than maximum range value are clamped to maximum
  76 // range value.
  77 void vtkLookupTableDirectionVector::SetTableRange(double rmin, double rmax)
  78 {
  79         if (rmax < rmin)
  80     {
  81                 vtkErrorMacro("Bad table range: ["<<rmin<<", "<<rmax<<"]");
  82                 return;
  83     }
  84
  85         if (this->TableRange[0] == rmin && this->TableRange[1] == rmax)
  86     {
  87                 return;
  88     }
  89
  90         this->TableRange[0] = rmin;
  91         this->TableRange[1] = rmax;
  92
  93         this->Modified();
  94 }
  95
  96
  97
  98 //----------------------------------------------------------------------------
  99 // Although this is a relatively expensive calculation,
 100 // it is only done on the first render. Colors are cached
 101 // for subsequent renders.
 102 template<class T>
 103 void vtkLookupTableMapDirVectorEED(vtkLookupTableDirectionVector *self, T *input,
 104                           unsigned char *output, int length,
 105                           int inIncr, int outFormat)
 106 {
 107         double tmp,sum;
 108         int i, j;
 109         double dirx,diry,dirz;
 110         double angle;
 111         for (i = 0; i < length; ++i)
 112     {
 113                         dirx    = static_cast<T>(input[0]);
 114                         diry    = static_cast<T>(input[1]);
 115                         dirz    = static_cast<T>(input[2]);
 116                         input   = input+inIncr;
 117                         sum             = sqrt( dirx*dirx + diry*diry + dirz*dirz );
 118                         *output++ = (unsigned char) abs( (255*dirx/sum) );
 119                         *output++ = (unsigned char) abs( (255*diry/sum) );
 120                         *output++ = (unsigned char) abs( (255*dirz/sum) );
 121                         *output++ = 255;
 122         //              printf("%d %d %d   ",(int)(255*dirx/sum),(int)(255*diry/sum),(int)(255*dirz/sum));
 123         //              printf(" C     %d        %f %f %f   \n",inIncr,dirx,diry,dirz);
 124
 125         } // for
 126 }
 127
 128
 129 //----------------------------------------------------------------------------
 130 void vtkLookupTableDirectionVector::MapScalarsThroughTable2(void *input,
 131                                              unsigned char *output,
 132                                              int inputDataType,
 133                                              int numberOfValues,
 134                                              int inputIncrement,
 135                                              int outputFormat)
 136 {
 137 // if (this->UseMagnitude && inputIncrement > 1)
 138 // {
 139      switch (inputDataType)
 140      {
 141        vtkTemplateMacro( vtkLookupTableMapDirVectorEED(this,static_cast<VTK_TT*>(input),output,
 142                          numberOfValues,inputIncrement,outputFormat);
 143                          return
 144                         );
 145         case VTK_BIT:
 146             vtkErrorMacro("Cannot comput magnitude of bit array.");
 147             break;
 148         default:
 149             vtkErrorMacro(<< "MapImageThroughTable: Unknown input ScalarType");
 150      } /// switch
 151 // } //if
 152 }
 153
 154
 155 //----------------------------------------------------------------------------
 156 void vtkLookupTableDirectionVector::PrintSelf(ostream& os, vtkIndent indent)
 157 {
 158         this->Superclass::PrintSelf(os,indent);
 159 }
 160
 161
 162
 163
 164 //----------------------------------
 165 //----------------------------------
 166 //----------------------------------
 167 //----------------------------------
 168 //----------------------------------
 169
 170 vtkVectorsTensorsVisuBase::vtkVectorsTensorsVisuBase()
 171 {
 172      _firsttime         = true;
 173         _active                 = false;
 174         _scalefactor    = 1;
 175         _opacity                = 1;
 176         _dataobject             = NULL;
 177         _renderer               = NULL;
 178         _typeForm               = 0;
 179         _orientation    = 0;
 180
 181         _LutEED                 = vtkLookupTableDirectionVector::New();
 182         _externalLut    = NULL;
 183         //_LutEED->SetVectorMode(0);
 184         //_LutEED->SetVectorModeToMagnitude();
 185         //_LutEED->SetVectorModeToComponent();
 186         _LutEED->SetVectorModeToRGBColors();
 187
 188         _pdm                    = vtkPolyDataMapper::New();
 189         _actor                  = vtkActor::New();
 190         _actorAdded             = false;
 191 }
 192
 193 vtkVectorsTensorsVisuBase::~vtkVectorsTensorsVisuBase()
 194 {
 195 }
 196
 197 //------------------------------------------------------------------------
 198 void vtkVectorsTensorsVisuBase::SetDataObject(vtkDataObject *dataobject)
 199 {
 200         _dataobject = dataobject;
 201 }
 202
 203 //------------------------------------------------------------------------
 204 vtkDataObject* vtkVectorsTensorsVisuBase::GetDataObject()
 205 {
 206         return _dataobject;
 207 }
 208
 209 //------------------------------------------------------------------------
 210 void vtkVectorsTensorsVisuBase::SetRenderer(vtkRenderer *renderer)
 211 {
 212         _renderer=renderer;
 213 }
 214
 215 //------------------------------------------------------------------------
 216 vtkRenderer* vtkVectorsTensorsVisuBase::GetRenderer()
 217 {
 218         return _renderer;
 219 }
 220
 221 //------------------------------------------------------------------------
 222 void vtkVectorsTensorsVisuBase::SetScaleFactor(double scalefactor)
 223 {
 224         _scalefactor=scalefactor;
 225 }
 226
 227 //------------------------------------------------------------------------
 228 double vtkVectorsTensorsVisuBase::GetScaleFactor()
 229 {
 230         return _scalefactor;
 231 }
 232
 233 //------------------------------------------------------------------------
 234 void vtkVectorsTensorsVisuBase::SetActive(bool active)
 235 {
 236    _active = active;
 237 }
 238
 239 //------------------------------------------------------------------------
 240 bool vtkVectorsTensorsVisuBase::GetActive()
 241 {
 242    return _active;
 243 }
 244
 245 //------------------------------------------------------------------------
 246 void vtkVectorsTensorsVisuBase::SetOpacity(double opacity)
 247 {
 248    _opacity = opacity;
 249 }
 250
 251 //------------------------------------------------------------------------
 252 double vtkVectorsTensorsVisuBase::GetOpacity()
 253 {
 254    return _opacity;
 255 }
 256
 257
 258
 259 //------------------------------------------------------------------------
 260 vtkProp3D* vtkVectorsTensorsVisuBase::GetProp3D()
 261 {
 262    return _actor;
 263 }
 264
 265 //------------------------------------------------------------------------
 266 void vtkVectorsTensorsVisuBase::SetTypeForm(int typeForm)
 267 {
 268      _typeForm=typeForm;
 269 }
 270
 271
 272 //------------------------------------------------------------------------
 273 int vtkVectorsTensorsVisuBase::GetTypeForm()
 274 {
 275         return _typeForm;
 276 }
 277
 278 //------------------------------------------------------------------------
 279 void vtkVectorsTensorsVisuBase::Process()    // virtual
 280 {
 281 }
 282
 283 //------------------------------------------------------------------------------
 284 void vtkVectorsTensorsVisuBase::VisibilityActor()
 285 {
 286
 287         if ( (_active==true) && (_actorAdded==false) ){
 288                 if (GetRenderer()!=NULL)
 289                 {
 290               GetRenderer()->AddActor(_actor);
 291                    _actorAdded=true;
 292        } // if Renderer
 293         } // if _active==true
 294
 295         if ( (_active==false) && (_actorAdded==true) ){
 296                 if (GetRenderer()!=NULL)
 297                 {
 298               GetRenderer()->RemoveActor(_actor);
 299                    _actorAdded=false;
 300       } // if Renderer
 301         } // if _active==false
 302 }
 303
 304 //------------------------------------------------------------------------------
 305 void vtkVectorsTensorsVisuBase::SetColorLaw(int colorlaw)
 306 {
 307         _colorlaw = colorlaw;
 308 }
 309
 310 //------------------------------------------------------------------------------
 311 void vtkVectorsTensorsVisuBase::SetColor(std::vector<double> rgb)
 312 {
 313         if (rgb.size()==3)
 314         {
 315                 _colorR=rgb[0];
 316                 _colorG=rgb[1];
 317                 _colorB=rgb[2];
 318         } else {
 319                 _colorR=1;
 320                 _colorG=1;
 321                 _colorB=1;
 322         }
 323 }
 324
 325 //------------------------------------------------------------------------------
 326 void vtkVectorsTensorsVisuBase::SetOrientation(int orientation)
 327 {
 328         _orientation = orientation;
 329 }
 330
 331 //------------------------------------------------------------------------------
 332 int vtkVectorsTensorsVisuBase::GetOrientation()
 333 {
 334         return _orientation;
 335 }
 336
 337 //------------------------------------------------------------------------------
 338 void vtkVectorsTensorsVisuBase::SetExternalLut(vtkScalarsToColors* lut)
 339 {
 340         _externalLut=lut;
 341 }
 342