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