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         _image = image;
 168         double spc[3];
 169         _image->GetSpacing(spc);
 170         int ext[6];
 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 = image;
 182 }
 183
 184 //----------------------------------------------------------------------------
 185 void LayerImageBase::SetwxVtkBaseView(wxVtkBaseView *baseview)
 186 {
 187         if (_baseView==NULL)
 188    {
 189                 _baseView = baseview;
 190                 ColorLayerObserver *colorlayerobserver = ColorLayerObserver::New();
 191                 _baseView->GetVtkBaseData()->AddObserver( 1, colorlayerobserver );
 192                 colorlayerobserver->SetLayerImageBase(this);
 193
 194         } // if _baseView
 195 }
 196
 197 //----------------------------------------------------------------------------
 198 wxVtkBaseView *LayerImageBase::GetwxVtkBaseView()
 199 {
 200         return _baseView;
 201 }
 202
 203 //----------------------------------------------------------------------------
 204 void LayerImageBase::Refresh()
 205 {
 206     if (_baseView!=NULL)
 207     {
 208         _baseView->Refresh();
 209     }
 210 }
 211
 212
 213 //----------------------------------------------------------------------------
 214 vtkLookupTable* LayerImageBase::GetThresholdTable()
 215 {
 216         return _thresholdTable;
 217 }
 218
 219 //----------------------------------------------------------------------------
 220 void LayerImageBase::CleanXYZ(double &x, double &y, double &z)
 221 {
 222         int ext[6];
 223         _image->GetWholeExtent(ext);
 224
 225         if (x<0)
 226         {
 227                 x=0;
 228         }
 229
 230         if (y<0)
 231         {
 232                 y=0;
 233         }
 234
 235         if (z<0)
 236         {
 237                 z=0;
 238         }
 239
 240         if ( x > (ext[1]-ext[0]) )
 241         {
 242                 z=ext[1]-ext[0];
 243         }
 244
 245         if ( y > (ext[3]-ext[2]) )
 246         {
 247                 z=ext[3]-ext[2];
 248         }
 249
 250         if ( z > (ext[5]-ext[4]) )
 251         {
 252                 z=ext[5]-ext[4];
 253         }
 254
 255
 256 }
 257
 258 //----------------------------------------------------------------------------
 259 void LayerImageBase::onThreshold()
 260 {
 261         if ((_image!=NULL) && (_baseView!=NULL))
 262         {
 263                 double spc[3];
 264                 GetImage()-> GetSpacing(spc);
 265                 double x=GetX();
 266                 double y=GetY();
 267                 double z=GetZ();
 268                 CleanXYZ(x,y,z);
 269
 270                 x = x*spc[0];
 271                 y = y*spc[1];
 272                 z = z*spc[2];
 273
 274                 vtkCamera *camera = _baseView->GetRenderer()->GetActiveCamera();
 275                 int directionViewer=0;
 276                 if (camera->GetParallelProjection()==1)
 277                 {
 278                         wxVtk2DBaseView *wxvtk2dbasevie = (wxVtk2DBaseView *)_baseView;
 279                         directionViewer =  wxvtk2dbasevie->GetDirection();
 280                 } // ParallelProjection
 281
 282
 283                 if (!GetActorPresent())
 284                 {
 285                         if (_thresholdTable==NULL)
 286                         {
 287                                 //Lookup Table
 288                                 _thresholdTable = vtkLookupTable::New();
 289                         } // _thresholdTable
 290
 291                         if (_thresholdMapper==NULL)
 292                         {
 293                                 _thresholdMapper = vtkImageMapToColors::New( );
 294                         }
 295
 296                         if (_thresholdActor==NULL)
 297                         {
 298                                 _thresholdActor = vtkImageActor::New( );
 299                                 _scalarbarActor = vtkScalarBarActor::New();
 300                                 _thresholdActor->SetOpacity( 0.6 );
 301                                 _thresholdActor->InterpolateOn(  );
 302                                 if (directionViewer==0)
 303                                 {
 304                                         _thresholdActor->SetPosition( 900-1,0,0 );
 305                                         _thresholdActor->RotateY( -90 );
 306                                 }
 307                                 if (directionViewer==1)
 308                                 {
 309                                         _thresholdActor->SetPosition( 0,-900-1, 0 );
 310                                         _thresholdActor->RotateX( 90 );
 311                                 }
 312                                 if (directionViewer==2)
 313                                 {
 314                                         _thresholdActor->SetPosition( 0,0, -900-1 );
 315                                 }
 316                         } // _thresholdActor
 317                         _baseView->GetRenderer()->AddActor( _thresholdActor );
 318                         _baseView->GetRenderer()->AddActor2D( _scalarbarActor );
 319                         _actorPresent = true;
 320                 }  // !GetActorPresent()
 321
 322                 ConfigLookupTable();  // virtual method
 323                 _imageReslicer->SetInput( GetImage() );
 324                 _imageReslicer->SetInformationInput( GetImage() );
 325
 326                 if (directionViewer==0)
 327                 {
 328                         _imageReslicer->SetResliceAxesDirectionCosines( 0,0,1, 0,1,0,  -1,0,0 );
 329                         _imageReslicer->SetResliceAxesOrigin(x,0,0);
 330                 }
 331
 332                 if (directionViewer==1)
 333                 {
 334                         _imageReslicer->SetResliceAxesDirectionCosines( 1,0,0 ,0,0,1,  0,-1,0 );
 335                         _imageReslicer->SetResliceAxesOrigin(0,y,0);
 336                 }
 337
 338                 if (directionViewer==2)
 339                 {
 340                         _imageReslicer->SetResliceAxesDirectionCosines( 1,0,0, 0,1,0 ,0,0,1 );
 341                         _imageReslicer->SetResliceAxesOrigin(0,0,z);
 342                 }
 343
 344
 345                 _imageReslicer->SetOutputDimensionality(2);
 346 //              _imageReslicer->SetInterpolationModeToLinear();
 347                 _imageReslicer->SetInterpolationModeToNearestNeighbor();
 348
 349                 vtkImageData *img = _imageReslicer->GetOutput();
 350 //              img->Update();
 351 //              img->UpdateInformation();
 352
 353 //              _thresholdTable->Update();
 354                 _thresholdMapper->SetInput( img );
 355                 _thresholdMapper->SetLookupTable( _thresholdTable );
 356                 _thresholdActor->SetInput( _thresholdMapper->GetOutput() );
 357
 358 //              _scalarbarActor->SetLookupTable( _thresholdTable );
 359                 _scalarbarActor->SetLookupTable( _thresholdMapper->GetLookupTable() );
 360                 _scalarbarActor->SetTitle("Value");
 361                 _scalarbarActor->SetNumberOfLabels(4);
 362                 int fontsize = _scalarbarActor->GetLabelTextProperty()->GetFontSize();
 363                 _scalarbarActor->GetLabelTextProperty()->SetFontSize(fontsize/2);
 364
 365 //              _scalarbarActor->SetTextPad(4);  ??
 366
 367                 } // _image
 368 }
 369
 370
 371
 372 //----------------------------------------------------------------------------
 373 void LayerImageBase::onThresholdChange()
 374 {
 375         if (_actorPresent)
 376         {
 377                 onThreshold();
 378         }
 379 }
 380
 381 //----------------------------------------------------------------------------
 382 void LayerImageBase::onThresholdInterpolation(bool interpolate)
 383 {
 384         if (_thresholdActor!=NULL)
 385         {
 386                 if (interpolate)
 387                 {
 388                         _thresholdActor->InterpolateOn( );
 389                 }
 390                 else
 391                 {
 392                         _thresholdActor->InterpolateOff( );
 393                 }
 394         }
 395 }
 396
 397 //----------------------------------------------------------------------------
 398 void LayerImageBase::onThresholdChangeOpacity (int opacity)
 399 {
 400         if (_actorPresent)
 401         {
 402                 _thresholdActor->SetOpacity(opacity*0.1);
 403         }
 404 }
 405
 406 //----------------------------------------------------------------------------
 407 void LayerImageBase::onThresholdRemove()
 408 {
 409         if (_actorPresent)
 410         {
 411                 wxVtkBaseView * baseView = _baseView;
 412                 baseView->GetRenderer()->RemoveActor( _thresholdActor );
 413                 baseView->GetRenderer()->RemoveActor( _scalarbarActor );
 414
 415                 _actorPresent = false;
 416         }
 417 }
 418
 419 //----------------------------------------------------------------------------
 420 vtkLookupTable *LayerImageBase::GetvtkLookupTable()
 421 {
 422     return _thresholdTable;
 423 }
 424
 425 //----------------------------------------------------------------------------
 426 vtkImageReslice *LayerImageBase::GetvtkImageReslice()
 427 {
 428     return _imageReslicer;
 429 }
 430
 431
 432
 433 // EOF
 434