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         _thresholdTable = vtkLookupTable::New();
 184 }
 185
 186 void LayerImageBase::SetRangeForColorBar(std::vector<double> &range)
 187 {
 188    _rangeForColorBar=range;
 189 }
 190
 191 void LayerImageBase::GetRangeForColorBar(double &minRange, double &maxRange)
 192 {
 193         if (_rangeForColorBar.size()==2)
 194         {
 195                 minRange = _rangeForColorBar[0];
 196                 maxRange = _rangeForColorBar[1];
 197         } else {
 198                 minRange = _range[0];
 199                 maxRange = _range[1];
 200         }
 201 }
 202
 203
 204
 205 //----------------------------------------------------------------------------
 206 void LayerImageBase::SetwxVtkBaseView(wxVtkBaseView *baseview)
 207 {
 208         if (_baseView==NULL)
 209    {
 210                 _baseView = baseview;
 211                 ColorLayerObserver *colorlayerobserver = ColorLayerObserver::New();
 212                 _baseView->GetVtkBaseData()->AddObserver( 1, colorlayerobserver );
 213                 colorlayerobserver->SetLayerImageBase(this);
 214
 215         } // if _baseView
 216 }
 217
 218 //----------------------------------------------------------------------------
 219 wxVtkBaseView *LayerImageBase::GetwxVtkBaseView()
 220 {
 221         return _baseView;
 222 }
 223
 224 //----------------------------------------------------------------------------
 225 void LayerImageBase::Refresh()
 226 {
 227     if (_baseView!=NULL)
 228     {
 229         _baseView->Refresh();
 230     }
 231 }
 232
 233
 234 //----------------------------------------------------------------------------
 235 vtkLookupTable* LayerImageBase::GetThresholdTable()
 236 {
 237         return _thresholdTable;
 238 }
 239
 240 //----------------------------------------------------------------------------
 241 void LayerImageBase::CleanXYZ(double &x, double &y, double &z)
 242 {
 243         int ext[6];
 244         _image->GetWholeExtent(ext);
 245
 246         if (x<0)
 247         {
 248                 x=0;
 249         }
 250
 251         if (y<0)
 252         {
 253                 y=0;
 254         }
 255
 256         if (z<0)
 257         {
 258                 z=0;
 259         }
 260
 261         if ( x > (ext[1]-ext[0]) )
 262         {
 263                 z=ext[1]-ext[0];
 264         }
 265
 266         if ( y > (ext[3]-ext[2]) )
 267         {
 268                 z=ext[3]-ext[2];
 269         }
 270
 271         if ( z > (ext[5]-ext[4]) )
 272         {
 273                 z=ext[5]-ext[4];
 274         }
 275
 276
 277 }
 278
 279 //----------------------------------------------------------------------------
 280 void LayerImageBase::onThreshold()
 281 {
 282         if ((_image!=NULL) && (_baseView!=NULL))
 283         {
 284                 double spc[3];
 285                 GetImage()-> GetSpacing(spc);
 286                 double x=GetX();
 287                 double y=GetY();
 288                 double z=GetZ();
 289                 CleanXYZ(x,y,z);
 290
 291                 x = x*spc[0];
 292                 y = y*spc[1];
 293                 z = z*spc[2];
 294
 295                 vtkCamera *camera = _baseView->GetRenderer()->GetActiveCamera();
 296                 int directionViewer=0;
 297                 if (camera->GetParallelProjection()==1)
 298                 {
 299                         wxVtk2DBaseView *wxvtk2dbasevie = (wxVtk2DBaseView *)_baseView;
 300                         directionViewer =  wxvtk2dbasevie->GetDirection();
 301                 } // ParallelProjection
 302
 303
 304                 if (!GetActorPresent())
 305                 {
 306                         if (_thresholdTable==NULL)
 307                         {
 308                                 //Lookup Table
 309                                 _thresholdTable = vtkLookupTable::New();
 310                         } // _thresholdTable
 311
 312                         if (_thresholdMapper==NULL)
 313                         {
 314                                 _thresholdMapper = vtkImageMapToColors::New( );
 315                         }
 316
 317                         if (_thresholdActor==NULL)
 318                         {
 319                                 _thresholdActor = vtkImageActor::New( );
 320                                 _scalarbarActor = vtkScalarBarActor::New();
 321                                 _thresholdActor->SetOpacity( 0.6 );
 322                                 _thresholdActor->InterpolateOn(  );
 323                                 if (directionViewer==0)
 324                                 {
 325                                         _thresholdActor->SetPosition( 900-1,0,0 );
 326                                         _thresholdActor->RotateY( -90 );
 327                                 }
 328                                 if (directionViewer==1)
 329                                 {
 330                                         _thresholdActor->SetPosition( 0,-900-1, 0 );
 331                                         _thresholdActor->RotateX( 90 );
 332                                 }
 333                                 if (directionViewer==2)
 334                                 {
 335                                         _thresholdActor->SetPosition( 0,0, -900-1 );
 336                                 }
 337                         } // _thresholdActor
 338                         _baseView->GetRenderer()->AddActor( _thresholdActor );
 339                         _baseView->GetRenderer()->AddActor2D( _scalarbarActor );
 340                         _actorPresent = true;
 341                 }  // !GetActorPresent()
 342
 343                 ConfigLookupTable();  // virtual method
 344                 _imageReslicer->SetInput( GetImage() );
 345                 _imageReslicer->SetInformationInput( GetImage() );
 346
 347                 if (directionViewer==0)
 348                 {
 349                         _imageReslicer->SetResliceAxesDirectionCosines( 0,0,1, 0,1,0,  -1,0,0 );
 350                         _imageReslicer->SetResliceAxesOrigin(x,0,0);
 351                 }
 352
 353                 if (directionViewer==1)
 354                 {
 355                         _imageReslicer->SetResliceAxesDirectionCosines( 1,0,0 ,0,0,1,  0,-1,0 );
 356                         _imageReslicer->SetResliceAxesOrigin(0,y,0);
 357                 }
 358
 359                 if (directionViewer==2)
 360                 {
 361                         _imageReslicer->SetResliceAxesDirectionCosines( 1,0,0, 0,1,0 ,0,0,1 );
 362                         _imageReslicer->SetResliceAxesOrigin(0,0,z);
 363                 }
 364
 365
 366                 _imageReslicer->SetOutputDimensionality(2);
 367 //              _imageReslicer->SetInterpolationModeToLinear();
 368                 _imageReslicer->SetInterpolationModeToNearestNeighbor();
 369
 370                 vtkImageData *img = _imageReslicer->GetOutput();
 371 //              img->Update();
 372 //              img->UpdateInformation();
 373
 374 //              _thresholdTable->Update();
 375                 _thresholdMapper->SetInput( img );
 376                 _thresholdMapper->SetLookupTable( _thresholdTable );
 377                 _thresholdActor->SetInput( _thresholdMapper->GetOutput() );
 378
 379 //              _scalarbarActor->SetLookupTable( _thresholdTable );
 380                 _scalarbarActor->SetLookupTable( _thresholdMapper->GetLookupTable() );
 381                 _scalarbarActor->SetTitle("Value");
 382                 _scalarbarActor->SetNumberOfLabels(4);
 383                 int fontsize = _scalarbarActor->GetLabelTextProperty()->GetFontSize();
 384                 _scalarbarActor->GetLabelTextProperty()->SetFontSize(fontsize/2);
 385
 386 //              _scalarbarActor->SetTextPad(4);  ??
 387
 388                 } // _image
 389 }
 390
 391
 392
 393 //----------------------------------------------------------------------------
 394 void LayerImageBase::onThresholdChange()
 395 {
 396         if (_actorPresent)
 397         {
 398                 onThreshold();
 399         }
 400 }
 401
 402 //----------------------------------------------------------------------------
 403 void LayerImageBase::onThresholdInterpolation(bool interpolate)
 404 {
 405         if (_thresholdActor!=NULL)
 406         {
 407                 if (interpolate)
 408                 {
 409                         _thresholdActor->InterpolateOn( );
 410                 }
 411                 else
 412                 {
 413                         _thresholdActor->InterpolateOff( );
 414                 }
 415         }
 416 }
 417
 418 //----------------------------------------------------------------------------
 419 void LayerImageBase::onThresholdChangeOpacity (int opacity)
 420 {
 421         if (_actorPresent)
 422         {
 423                 _thresholdActor->SetOpacity(opacity*0.1);
 424         }
 425 }
 426
 427 //----------------------------------------------------------------------------
 428 void LayerImageBase::onThresholdRemove()
 429 {
 430         if (_actorPresent)
 431         {
 432                 wxVtkBaseView * baseView = _baseView;
 433                 baseView->GetRenderer()->RemoveActor( _thresholdActor );
 434                 baseView->GetRenderer()->RemoveActor( _scalarbarActor );
 435
 436                 _actorPresent = false;
 437         }
 438 }
 439
 440 //----------------------------------------------------------------------------
 441 vtkLookupTable *LayerImageBase::GetvtkLookupTable()
 442 {
 443     return _thresholdTable;
 444 }
 445
 446 //----------------------------------------------------------------------------
 447 vtkImageReslice *LayerImageBase::GetvtkImageReslice()
 448 {
 449     return _imageReslicer;
 450 }
 451
 452 //----------------------------------------------------------------------------
 453 void LayerImageBase::GetImageScalarRange()
 454 {
 455         double min,max;
 456         GetRangeForColorBar(min,max);
 457 //      _image->GetScalarRange(_range);
 458         _range[0]=min;
 459         _range[1]=max;
 460 }
 461
 462
 463
 464 // EOF
 465