lib/maracasVisuLib/src/interface/wxWindows/widgets/ThresholdImageView/LayerImageBase.cxx

   1 /*# ---------------------------------------------------------------------
   2 #
   3 # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
   4 #                        pour la Sant�)
   5 # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
   6 # Previous Authors : Laurent Guigues, Jean-Pierre Roux
   7 # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
   8 #
   9 #  This software is governed by the CeCILL-B license under French law and
  10 #  abiding by the rules of distribution of free software. You can  use,
  11 #  modify and/ or redistribute the software under the terms of the CeCILL-B
  12 #  license as circulated by CEA, CNRS and INRIA at the following URL
  13 #  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  14 #  or in the file LICENSE.txt.
  15 #
  16 #  As a counterpart to the access to the source code and  rights to copy,
  17 #  modify and redistribute granted by the license, users are provided only
  18 #  with a limited warranty  and the software's author,  the holder of the
  19 #  economic rights,  and the successive licensors  have only  limited
  20 #  liability.
  21 #
  22 #  The fact that you are presently reading this means that you have had
  23 #  knowledge of the CeCILL-B license and that you accept its terms.
  24 # ------------------------------------------------------------------------ */
  25
  26 /**
  27  *  \file
  28  *  \brief Class bbtk::ThresholdImageView .
  29  */
  30
  31 #include "LayerImageBase.h"
  32
  33 #include "wxMPRBaseData.h"
  34 #include "wxVtk2DBaseView.h"
  35 #include "wxVTKRenderWindowInteractor.h"
  36 #include "vtkTextProperty.h"
  37
  38
  39 //---------------------------------------------------------------------------------------------
  40 //---------------------------------------------------------------------------------------------
  41 //---------------------------------------------------------------------------------------------
  42
  43 // Callback for the interaction
  44 class ColorLayerObserver : public vtkCommand{
  45   public:
  46         virtual char const *GetClassName() const { return "ColorLayerObserver";}
  47
  48         static ColorLayerObserver *New()        {      return new ColorLayerObserver;   }
  49
  50         ColorLayerObserver()
  51         {
  52                 _layerimagebase = NULL;
  53         }
  54
  55         virtual void Execute(vtkObject *wdg, unsigned long event, void* calldata)
  56         {
  57                 if (_layerimagebase!= NULL)
  58                 {
  59
  60                         wxVtkBaseView           *wxvtkbaseview = _layerimagebase->GetwxVtkBaseView();
  61                         if (wxvtkbaseview!=NULL)
  62                         {
  63
  64                                 vtkMPRBaseData  *vtkmprbasedata =       (vtkMPRBaseData*)wxvtkbaseview->GetVtkBaseData();
  65                                 if (vtkmprbasedata!=NULL)
  66                                 {
  67                                         _layerimagebase->SetX( vtkmprbasedata->GetX() );
  68                                         _layerimagebase->SetY( vtkmprbasedata->GetY() );
  69                                         _layerimagebase->SetZ( vtkmprbasedata->GetZ() );
  70                         _layerimagebase->onThresholdChange();
  71                                 } // if basedata
  72
  73                         } // if wxvtkbaseview
  74                 } //if layerimagebase
  75         }
  76
  77         void SetLayerImageBase(LayerImageBase* layerimagebase)
  78         {
  79         _layerimagebase =       layerimagebase;
  80         }
  81
  82 private:
  83         LayerImageBase* _layerimagebase;
  84 };
  85
  86
  87
  88 //---------------------------------------------------------------------------------------------
  89 //---------------------------------------------------------------------------------------------
  90 //---------------------------------------------------------------------------------------------
  91
  92
  93
  94 LayerImageBase::LayerImageBase()
  95 {
  96         _actorPresent                   =       false;
  97         _X                                                      =       0;
  98         _Y                                                      =       0;
  99         _Z                                                      =       0;
 100         _thresholdTable         =       NULL;
 101         _thresholdMapper                =       NULL;
 102         _scalarbarActor         =       NULL;
 103         _thresholdActor         =       NULL;
 104         _image                                  =       NULL;
 105         _baseView                               =       NULL;
 106         _imageReslicer                  =       vtkImageReslice::New();
 107 }
 108
 109 //----------------------------------------------------------------------------
 110 LayerImageBase::~LayerImageBase()
 111 {
 112 }
 113
 114 //----------------------------------------------------------------------------
 115 void LayerImageBase::SetX(int x)
 116 {
 117         _X = x;
 118 }
 119
 120 //----------------------------------------------------------------------------
 121 void LayerImageBase::SetY(int y)
 122 {
 123         _Y = y;
 124 }
 125
 126 //----------------------------------------------------------------------------
 127 void LayerImageBase::SetZ(int z)
 128 {
 129         _Z = z;
 130 }
 131
 132 //----------------------------------------------------------------------------
 133 int LayerImageBase::GetX()  // virtual
 134 {
 135         return _X;
 136 }
 137
 138 //----------------------------------------------------------------------------
 139 int LayerImageBase::GetY()  // virtual
 140 {
 141         return _Y;
 142 }
 143 //----------------------------------------------------------------------------
 144 int LayerImageBase::GetZ()  // virtual
 145 {
 146         return _Z;
 147 }
 148
 149
 150 //----------------------------------------------------------------------------
 151 vtkImageData* LayerImageBase::GetImage()
 152 {
 153         return _image;
 154 }
 155
 156 //----------------------------------------------------------------------------
 157 bool LayerImageBase::GetActorPresent()
 158 {
 159         return _actorPresent;
 160 }
 161
 162
 163
 164 //----------------------------------------------------------------------------
 165 void LayerImageBase::SetImage(vtkImageData* image)
 166 {
 167         double spc[3];
 168         int ext[6];
 169         _image = image;
 170         _image->GetSpacing(spc);
 171         _image->GetWholeExtent(ext);
 172         int sx=ext[1]-ext[0]+1;
 173         int sy=ext[3]-ext[2]+1;
 174         int sz=ext[5]-ext[4]+1;
 175         int ssx=(sx/2)*spc[0];
 176         int ssy=(sy/2)*spc[1];
 177         int ssz=(sz/2)*spc[2];
 178         SetX( ssx );
 179         SetY( ssy );
 180         SetZ( ssz );
 181         _image->Update();
 182    _image->GetScalarRange( _range );
 183 }
 184
 185 void LayerImageBase::SetRangeForColorBar(std::vector<double> &range)
 186 {
 187    _rangeForColorBar=range;
 188 }
 189
 190 void LayerImageBase::GetRangeForColorBar(double &minRange, double &maxRange)
 191 {
 192         if (_rangeForColorBar.size()==2)
 193         {
 194                 minRange = _rangeForColorBar[0];
 195                 maxRange = _rangeForColorBar[1];
 196         } else {
 197                 minRange = _range[0];
 198                 maxRange = _range[1];
 199         }
 200 }
 201
 202
 203
 204 //----------------------------------------------------------------------------
 205 void LayerImageBase::SetwxVtkBaseView(wxVtkBaseView *baseview)
 206 {
 207         if (_baseView==NULL)
 208    {
 209                 _baseView = baseview;
 210                 ColorLayerObserver *colorlayerobserver = ColorLayerObserver::New();
 211                 _baseView->GetVtkBaseData()->AddObserver( 1, colorlayerobserver );
 212                 colorlayerobserver->SetLayerImageBase(this);
 213
 214         } // if _baseView
 215 }
 216
 217 //----------------------------------------------------------------------------
 218 wxVtkBaseView *LayerImageBase::GetwxVtkBaseView()
 219 {
 220         return _baseView;
 221 }
 222
 223 //----------------------------------------------------------------------------
 224 void LayerImageBase::Refresh()
 225 {
 226     if (_baseView!=NULL)
 227     {
 228         _baseView->Refresh();
 229     }
 230 }
 231
 232
 233 //----------------------------------------------------------------------------
 234 vtkLookupTable* LayerImageBase::GetThresholdTable()
 235 {
 236         return _thresholdTable;
 237 }
 238
 239 //----------------------------------------------------------------------------
 240 void LayerImageBase::CleanXYZ(double &x, double &y, double &z)
 241 {
 242         int ext[6];
 243         _image->GetWholeExtent(ext);
 244
 245         if (x<0)
 246         {
 247                 x=0;
 248         }
 249
 250         if (y<0)
 251         {
 252                 y=0;
 253         }
 254
 255         if (z<0)
 256         {
 257                 z=0;
 258         }
 259
 260         if ( x > (ext[1]-ext[0]) )
 261         {
 262                 z=ext[1]-ext[0];
 263         }
 264
 265         if ( y > (ext[3]-ext[2]) )
 266         {
 267                 z=ext[3]-ext[2];
 268         }
 269
 270         if ( z > (ext[5]-ext[4]) )
 271         {
 272                 z=ext[5]-ext[4];
 273         }
 274
 275
 276 }
 277
 278 //----------------------------------------------------------------------------
 279 void LayerImageBase::onThreshold()
 280 {
 281         if ((_image!=NULL) && (_baseView!=NULL))
 282         {
 283                 double spc[3];
 284                 GetImage()-> GetSpacing(spc);
 285                 double x=GetX();
 286                 double y=GetY();
 287                 double z=GetZ();
 288                 CleanXYZ(x,y,z);
 289
 290                 x = x*spc[0];
 291                 y = y*spc[1];
 292                 z = z*spc[2];
 293
 294                 vtkCamera *camera = _baseView->GetRenderer()->GetActiveCamera();
 295                 int directionViewer=0;
 296                 if (camera->GetParallelProjection()==1)
 297                 {
 298                         wxVtk2DBaseView *wxvtk2dbasevie = (wxVtk2DBaseView *)_baseView;
 299                         directionViewer =  wxvtk2dbasevie->GetDirection();
 300                 } // ParallelProjection
 301
 302
 303                 if (!GetActorPresent())
 304                 {
 305                         if (_thresholdTable==NULL)
 306                         {
 307                                 //Lookup Table
 308                                 _thresholdTable = vtkLookupTable::New();
 309                         } // _thresholdTable
 310
 311                         if (_thresholdMapper==NULL)
 312                         {
 313                                 _thresholdMapper = vtkImageMapToColors::New( );
 314                         }
 315
 316                         if (_thresholdActor==NULL)
 317                         {
 318                                 _thresholdActor = vtkImageActor::New( );
 319                                 _scalarbarActor = vtkScalarBarActor::New();
 320                                 _thresholdActor->SetOpacity( 0.6 );
 321                                 _thresholdActor->InterpolateOn(  );
 322                                 if (directionViewer==0)
 323                                 {
 324                                         _thresholdActor->SetPosition( 900-1,0,0 );
 325                                         _thresholdActor->RotateY( -90 );
 326                                 }
 327                                 if (directionViewer==1)
 328                                 {
 329                                         _thresholdActor->SetPosition( 0,-900-1, 0 );
 330                                         _thresholdActor->RotateX( 90 );
 331                                 }
 332                                 if (directionViewer==2)
 333                                 {
 334                                         _thresholdActor->SetPosition( 0,0, -900-1 );
 335                                 }
 336                         } // _thresholdActor
 337                         _baseView->GetRenderer()->AddActor( _thresholdActor );
 338                         _baseView->GetRenderer()->AddActor2D( _scalarbarActor );
 339                         _actorPresent = true;
 340                 }  // !GetActorPresent()
 341
 342                 ConfigLookupTable();  // virtual method
 343                 _imageReslicer->SetInput( GetImage() );
 344                 _imageReslicer->SetInformationInput( GetImage() );
 345
 346                 if (directionViewer==0)
 347                 {
 348                         _imageReslicer->SetResliceAxesDirectionCosines( 0,0,1, 0,1,0,  -1,0,0 );
 349                         _imageReslicer->SetResliceAxesOrigin(x,0,0);
 350                 }
 351
 352                 if (directionViewer==1)
 353                 {
 354                         _imageReslicer->SetResliceAxesDirectionCosines( 1,0,0 ,0,0,1,  0,-1,0 );
 355                         _imageReslicer->SetResliceAxesOrigin(0,y,0);
 356                 }
 357
 358                 if (directionViewer==2)
 359                 {
 360                         _imageReslicer->SetResliceAxesDirectionCosines( 1,0,0, 0,1,0 ,0,0,1 );
 361                         _imageReslicer->SetResliceAxesOrigin(0,0,z);
 362                 }
 363
 364
 365                 _imageReslicer->SetOutputDimensionality(2);
 366 //              _imageReslicer->SetInterpolationModeToLinear();
 367                 _imageReslicer->SetInterpolationModeToNearestNeighbor();
 368
 369                 vtkImageData *img = _imageReslicer->GetOutput();
 370 //              img->Update();
 371 //              img->UpdateInformation();
 372
 373 //              _thresholdTable->Update();
 374                 _thresholdMapper->SetInput( img );
 375                 _thresholdMapper->SetLookupTable( _thresholdTable );
 376                 _thresholdActor->SetInput( _thresholdMapper->GetOutput() );
 377
 378 //              _scalarbarActor->SetLookupTable( _thresholdTable );
 379                 _scalarbarActor->SetLookupTable( _thresholdMapper->GetLookupTable() );
 380                 _scalarbarActor->SetTitle("Value");
 381                 _scalarbarActor->SetNumberOfLabels(4);
 382                 int fontsize = _scalarbarActor->GetLabelTextProperty()->GetFontSize();
 383                 _scalarbarActor->GetLabelTextProperty()->SetFontSize(fontsize/2);
 384
 385 //              _scalarbarActor->SetTextPad(4);  ??
 386
 387                 } // _image
 388 }
 389
 390
 391
 392 //----------------------------------------------------------------------------
 393 void LayerImageBase::onThresholdChange()
 394 {
 395         if (_actorPresent)
 396         {
 397                 onThreshold();
 398         }
 399 }
 400
 401 //----------------------------------------------------------------------------
 402 void LayerImageBase::onThresholdInterpolation(bool interpolate)
 403 {
 404         if (_thresholdActor!=NULL)
 405         {
 406                 if (interpolate)
 407                 {
 408                         _thresholdActor->InterpolateOn( );
 409                 }
 410                 else
 411                 {
 412                         _thresholdActor->InterpolateOff( );
 413                 }
 414         }
 415 }
 416
 417 //----------------------------------------------------------------------------
 418 void LayerImageBase::onThresholdChangeOpacity (int opacity)
 419 {
 420         if (_actorPresent)
 421         {
 422                 _thresholdActor->SetOpacity(opacity*0.1);
 423         }
 424 }
 425
 426 //----------------------------------------------------------------------------
 427 void LayerImageBase::onThresholdRemove()
 428 {
 429         if (_actorPresent)
 430         {
 431                 wxVtkBaseView * baseView = _baseView;
 432                 baseView->GetRenderer()->RemoveActor( _thresholdActor );
 433                 baseView->GetRenderer()->RemoveActor( _scalarbarActor );
 434
 435                 _actorPresent = false;
 436         }
 437 }
 438
 439 //----------------------------------------------------------------------------
 440 vtkLookupTable *LayerImageBase::GetvtkLookupTable()
 441 {
 442     return _thresholdTable;
 443 }
 444
 445 //----------------------------------------------------------------------------
 446 vtkImageReslice *LayerImageBase::GetvtkImageReslice()
 447 {
 448     return _imageReslicer;
 449 }
 450
 451
 452
 453 // EOF
 454