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         _imageChangeInformation =       vtkImageChangeInformation::New();
 108 }
 109
 110 //----------------------------------------------------------------------------
 111 LayerImageBase::~LayerImageBase()
 112 {
 113 }
 114
 115 //----------------------------------------------------------------------------
 116 void LayerImageBase::SetX(int x)
 117 {
 118         _X = x;
 119 }
 120
 121 //----------------------------------------------------------------------------
 122 void LayerImageBase::SetY(int y)
 123 {
 124         _Y = y;
 125 }
 126
 127 //----------------------------------------------------------------------------
 128 void LayerImageBase::SetZ(int z)
 129 {
 130         _Z = z;
 131 }
 132
 133 //----------------------------------------------------------------------------
 134 int LayerImageBase::GetX()  // virtual
 135 {
 136         return _X;
 137 }
 138
 139 //----------------------------------------------------------------------------
 140 int LayerImageBase::GetY()  // virtual
 141 {
 142         return _Y;
 143 }
 144 //----------------------------------------------------------------------------
 145 int LayerImageBase::GetZ()  // virtual
 146 {
 147         return _Z;
 148 }
 149
 150
 151 //----------------------------------------------------------------------------
 152 vtkImageData* LayerImageBase::GetImage()
 153 {
 154 //      return _image;
 155         vtkImageData *result;
 156         if (_image==NULL)
 157         {
 158                 result = NULL;
 159         } else {
 160                 result = _imageChangeInformation->GetOutput();
 161         }
 162         return result;
 163 }
 164
 165 //----------------------------------------------------------------------------
 166 bool LayerImageBase::GetActorPresent()
 167 {
 168         return _actorPresent;
 169 }
 170
 171
 172 //----------------------------------------------------------------------------
 173 void LayerImageBase::SetImage(vtkImageData* image)
 174 {
 175         int     ext[6];
 176         double  spcBase[3];
 177         int     dimensionOriginalLayer[3];
 178         int     dimBase[6];
 179
 180         ext[0]=0;
 181         ext[1]=0;
 182         ext[2]=0;
 183         ext[3]=0;
 184         ext[4]=0;
 185         ext[5]=0;
 186         spcBase[0]=0;
 187         spcBase[1]=0;
 188         spcBase[2]=0;
 189         spcBase[3]=0;
 190         spcBase[4]=0;
 191         spcBase[5]=0;
 192
 193         _image = image;
 194         _image->GetWholeExtent(ext);
 195         dimensionOriginalLayer[0] = ext[1]-ext[0]+1;
 196         dimensionOriginalLayer[1] = ext[3]-ext[2]+1;
 197         dimensionOriginalLayer[2] = ext[5]-ext[4]+1;
 198         SetDimensionOriginalLayer(dimensionOriginalLayer);
 199         double  spcOriginalLayer[3];
 200         _image->GetSpacing(spcOriginalLayer);
 201         SetSpcOriginalLayer(spcOriginalLayer);
 202         if (GetwxVtkBaseView()!=NULL)
 203         {
 204                 vtkImageData    *imagebase              =       GetwxVtkBaseView()->GetVtkBaseData()->GetImageData();
 205                 if (imagebase!=NULL)
 206                 {
 207                         imagebase->GetWholeExtent(ext);
 208                         dimBase[0]=ext[1]-ext[0]+1;
 209                         dimBase[1]=ext[3]-ext[2]+1;
 210                         dimBase[2]=ext[5]-ext[4]+1;
 211                         SetDimensionBase(dimBase);
 212                         imagebase->GetSpacing(spcBase);
 213                         SetSpcBase(spcBase);
 214                         SetX( dimBase[0]*spcBase[0]/2 );
 215                         SetY( dimBase[1]*spcBase[1]/2 );
 216                         SetZ( dimBase[2]*spcBase[2]/2 );
 217                 } // if imagebase
 218         } // if wxvtkbaseview
 219         _image->Update();
 220         _image->GetScalarRange( _range );
 221         _thresholdTable = vtkLookupTable::New();
 222
 223         _imageChangeInformation->SetInput(_image);
 224 }
 225
 226 //------------------------------------------------------------------------------
 227 void LayerImageBase::SetSpcOriginalLayer(double spc[3])
 228 {
 229         _spcOriginalLayer[0] = spc[0];
 230         _spcOriginalLayer[1] = spc[1];
 231         _spcOriginalLayer[2] = spc[2];
 232 }
 233
 234 //------------------------------------------------------------------------------
 235 void LayerImageBase::SetNewSpacingLayer(double spc[3])
 236 {
 237         _newSpcLayer[0]=spc[0];
 238         _newSpcLayer[1]=spc[1];
 239         _newSpcLayer[2]=spc[2];
 240         _imageChangeInformation->SetOutputSpacing( _newSpcLayer );
 241
 242 }
 243
 244
 245 //------------------------------------------------------------------------------
 246 void LayerImageBase::SetSpcBase(double spc[3])
 247 {
 248         _spcBase[0] = spc[0];
 249         _spcBase[1] = spc[1];
 250         _spcBase[2] = spc[2];
 251 }
 252
 253 //------------------------------------------------------------------------------
 254 void LayerImageBase::SetDimensionOriginalLayer(int dim[3])
 255 {
 256         _dimOriginalLayer[0] = dim[0];
 257         _dimOriginalLayer[1] = dim[1];
 258         _dimOriginalLayer[2] = dim[2];
 259 }
 260
 261 //------------------------------------------------------------------------------
 262 void LayerImageBase::SetDimensionBase(int dim[3])
 263 {
 264         _dimBase[0] = dim[0];
 265         _dimBase[1] = dim[1];
 266         _dimBase[2] = dim[2];
 267 }
 268
 269
 270
 271 //------------------------------------------------------------------------------
 272 void LayerImageBase::GetSpcOriginalLayer(double *spc)
 273 {
 274         spc[0] = _spcOriginalLayer[0];
 275         spc[1] = _spcOriginalLayer[1];
 276         spc[2] = _spcOriginalLayer[2];
 277 }
 278
 279 //------------------------------------------------------------------------------
 280 void LayerImageBase::GetSpcBase(double *spc)
 281 {
 282         spc[0] = _spcBase[0];
 283         spc[1] = _spcBase[1];
 284         spc[2] = _spcBase[2];
 285 }
 286
 287 //------------------------------------------------------------------------------
 288 void LayerImageBase::GetDimensionOriginalLayer(int *dim)
 289 {
 290         dim[0] = _dimOriginalLayer[0];
 291         dim[1] = _dimOriginalLayer[1];
 292         dim[2] = _dimOriginalLayer[2];
 293 }
 294
 295 //------------------------------------------------------------------------------
 296 void LayerImageBase::GetDimensionBase(int *dim)
 297 {
 298         dim[0] = _dimBase[0];
 299         dim[1] = _dimBase[1];
 300         dim[2] = _dimBase[2];
 301 }
 302
 303
 304 //------------------------------------------------------------------------------
 305 void LayerImageBase::SetRangeForColorBar(std::vector<double> &range)
 306 {
 307    _rangeForColorBar=range;
 308 }
 309
 310
 311 //------------------------------------------------------------------------------
 312 void LayerImageBase::GetRangeForColorBar(double &minRange, double &maxRange)
 313 {
 314         if (_rangeForColorBar.size()==2)
 315         {
 316                 minRange = _rangeForColorBar[0];
 317                 maxRange = _rangeForColorBar[1];
 318         } else {
 319                 minRange = _range[0];
 320                 maxRange = _range[1];
 321         }
 322 }
 323
 324
 325
 326 //----------------------------------------------------------------------------
 327 void LayerImageBase::SetwxVtkBaseView(wxVtkBaseView *baseview)
 328 {
 329         if (_baseView==NULL)
 330    {
 331                 _baseView = baseview;
 332                 ColorLayerObserver *colorlayerobserver = ColorLayerObserver::New();
 333                 _baseView->GetVtkBaseData()->AddObserver( 1, colorlayerobserver );
 334                 colorlayerobserver->SetLayerImageBase(this);
 335         } // if _baseView
 336 }
 337
 338 //----------------------------------------------------------------------------
 339 wxVtkBaseView *LayerImageBase::GetwxVtkBaseView()
 340 {
 341         return _baseView;
 342 }
 343
 344 //----------------------------------------------------------------------------
 345 void LayerImageBase::Refresh()
 346 {
 347     if (_baseView!=NULL)
 348     {
 349         _baseView->Refresh();
 350     }
 351 }
 352
 353
 354 //----------------------------------------------------------------------------
 355 vtkLookupTable* LayerImageBase::GetThresholdTable()
 356 {
 357         return _thresholdTable;
 358 }
 359
 360 //----------------------------------------------------------------------------
 361 void LayerImageBase::CleanXYZ(double &x, double &y, double &z)
 362 {
 363         if (x<0)
 364         {
 365                 x=0;
 366         }
 367         if (y<0)
 368         {
 369                 y=0;
 370         }
 371         if (z<0)
 372         {
 373                 z=0;
 374         }
 375         double maxSize;
 376         maxSize=_dimOriginalLayer[0]*_newSpcLayer[0];
 377         if ( x > maxSize  )
 378         {
 379                 x=maxSize;
 380         }
 381         maxSize=_dimOriginalLayer[1]*_newSpcLayer[1];
 382         if ( y > maxSize  )
 383         {
 384                 y = maxSize;
 385         }
 386         maxSize=_dimOriginalLayer[2]*_newSpcLayer[2];
 387         if ( z > maxSize  )
 388         {
 389                 z = maxSize;
 390         }
 391
 392 /*
 393
 394         if ( x > (ext[1]-ext[0]) )
 395         {
 396                 z=ext[1]-ext[0];
 397         }
 398
 399         if ( y > (ext[3]-ext[2]) )
 400         {
 401                 z=ext[3]-ext[2];
 402         }
 403
 404         if ( z > (ext[5]-ext[4]) )
 405         {
 406                 z=ext[5]-ext[4];
 407         }
 408 */
 409
 410 }
 411
 412 //----------------------------------------------------------------------------
 413 void LayerImageBase::onThreshold()
 414 {
 415         if ((_image!=NULL) && (_baseView!=NULL))
 416         {
 417                 double x=GetX();
 418                 double y=GetY();
 419                 double z=GetZ();
 420
 421                 x = x*_spcBase[0];
 422                 y = y*_spcBase[1];
 423                 z = z*_spcBase[2];
 424
 425                 CleanXYZ(x,y,z);
 426
 427                 vtkCamera *camera = _baseView->GetRenderer()->GetActiveCamera();
 428                 int directionViewer=0;
 429                 if (camera->GetParallelProjection()==1)
 430                 {
 431                         wxVtk2DBaseView *wxvtk2dbasevie = (wxVtk2DBaseView *)_baseView;
 432                         directionViewer =  wxvtk2dbasevie->GetDirection();
 433                 } // ParallelProjection
 434
 435                 if (!GetActorPresent())
 436                 {
 437                         if (_thresholdTable==NULL)
 438                         {
 439                                 //Lookup Table
 440                                 _thresholdTable = vtkLookupTable::New();
 441                         } // _thresholdTable
 442
 443                         if (_thresholdMapper==NULL)
 444                         {
 445                                 _thresholdMapper = vtkImageMapToColors::New( );
 446                         }
 447
 448                         if (_thresholdActor==NULL)
 449                         {
 450                                 _thresholdActor = vtkImageActor::New( );
 451                                 _scalarbarActor = vtkScalarBarActor::New();
 452                                 _thresholdActor->SetOpacity( 0.6 );
 453                                 _thresholdActor->InterpolateOn(  );
 454                                 if (directionViewer==0)
 455                                 {
 456                                         _thresholdActor->SetPosition( 900-1,0,0 );
 457                                         _thresholdActor->RotateY( -90 );
 458                                 }
 459                                 if (directionViewer==1)
 460                                 {
 461                                         _thresholdActor->SetPosition( 0,-900-1, 0 );
 462                                         _thresholdActor->RotateX( 90 );
 463                                 }
 464                                 if (directionViewer==2)
 465                                 {
 466                                         _thresholdActor->SetPosition( 0,0, -900-1 );
 467                                 }
 468                         } // _thresholdActor
 469                         _baseView->GetRenderer()->AddActor( _thresholdActor );
 470                         _baseView->GetRenderer()->AddActor2D( _scalarbarActor );
 471                         _actorPresent = true;
 472                 }  // !GetActorPresent()
 473
 474                 ConfigLookupTable();  // virtual method
 475                 _imageReslicer->SetInput( GetImage() );
 476                 _imageReslicer->SetInformationInput( GetImage() );
 477
 478                 if (directionViewer==0)
 479                 {
 480                         _imageReslicer->SetResliceAxesDirectionCosines( 0,0,1, 0,1,0,  -1,0,0 );
 481                         _imageReslicer->SetResliceAxesOrigin(x,0,0);
 482                 }
 483
 484                 if (directionViewer==1)
 485                 {
 486                         _imageReslicer->SetResliceAxesDirectionCosines( 1,0,0 ,0,0,1,  0,-1,0 );
 487                         _imageReslicer->SetResliceAxesOrigin(0,y,0);
 488                 }
 489
 490                 if (directionViewer==2)
 491                 {
 492                         _imageReslicer->SetResliceAxesDirectionCosines( 1,0,0, 0,1,0 ,0,0,1 );
 493                         _imageReslicer->SetResliceAxesOrigin(0,0,z);
 494                 }
 495
 496                 _imageReslicer->SetOutputDimensionality(2);
 497 //              _imageReslicer->SetInterpolationModeToLinear();
 498                 _imageReslicer->SetInterpolationModeToNearestNeighbor();
 499                 _imageReslicer->Modified();
 500
 501
 502                 vtkImageData *img = _imageReslicer->GetOutput();
 503 //              img->Update();
 504 //              img->UpdateInformation();
 505
 506 //              _thresholdTable->Update();
 507                 _thresholdMapper->SetInput( img );
 508                 _thresholdMapper->SetLookupTable( _thresholdTable );
 509                 _thresholdActor->SetInput( _thresholdMapper->GetOutput() );
 510
 511                 _scalarbarActor->SetLookupTable( _thresholdTable );
 512 //              _scalarbarActor->SetLookupTable( _thresholdMapper->GetLookupTable() );
 513                 _scalarbarActor->SetTitle("Value");
 514                 _scalarbarActor->SetNumberOfLabels(4);
 515                 int fontsize = _scalarbarActor->GetLabelTextProperty()->GetFontSize();
 516                 _scalarbarActor->GetLabelTextProperty()->SetFontSize(fontsize/2);
 517
 518 //              _scalarbarActor->SetTextPad(4);  ??
 519
 520
 521                 } // _image
 522 }
 523
 524
 525
 526 //----------------------------------------------------------------------------
 527 void LayerImageBase::onThresholdChange()
 528 {
 529         if (_actorPresent)
 530         {
 531                 onThreshold();
 532         }
 533 }
 534
 535 //----------------------------------------------------------------------------
 536 void LayerImageBase::onThresholdInterpolation(bool interpolate)
 537 {
 538         if (_thresholdActor!=NULL)
 539         {
 540                 if (interpolate)
 541                 {
 542                         _thresholdActor->InterpolateOn( );
 543                 }
 544                 else
 545                 {
 546                         _thresholdActor->InterpolateOff( );
 547                 }
 548         }
 549 }
 550
 551 //----------------------------------------------------------------------------
 552 void LayerImageBase::onThresholdChangeOpacity (int opacity)
 553 {
 554         if (_actorPresent)
 555         {
 556                 _thresholdActor->SetOpacity(opacity*0.1);
 557         }
 558 }
 559
 560 //----------------------------------------------------------------------------
 561 void LayerImageBase::onThresholdRemove()
 562 {
 563         if (_actorPresent)
 564         {
 565                 wxVtkBaseView * baseView = _baseView;
 566                 baseView->GetRenderer()->RemoveActor( _thresholdActor );
 567                 baseView->GetRenderer()->RemoveActor( _scalarbarActor );
 568
 569                 _actorPresent = false;
 570         }
 571 }
 572
 573 //----------------------------------------------------------------------------
 574 vtkLookupTable *LayerImageBase::GetvtkLookupTable()
 575 {
 576     return _thresholdTable;
 577 }
 578
 579 //----------------------------------------------------------------------------
 580 vtkImageReslice *LayerImageBase::GetvtkImageReslice()
 581 {
 582     return _imageReslicer;
 583 }
 584
 585 //----------------------------------------------------------------------------
 586 void LayerImageBase::GetImageScalarRange()
 587 {
 588         double min,max;
 589         GetRangeForColorBar(min,max);
 590 //      _image->GetScalarRange(_range);
 591         _range[0]=min;
 592         _range[1]=max;
 593 }
 594
 595
 596
 597 // EOF
 598