vv/vvSlicerManager.cxx

   1 /*=========================================================================
   2   Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
   3
   4   Authors belong to:
   5   - University of LYON              http://www.universite-lyon.fr/
   6   - Léon Bérard cancer center       http://oncora1.lyon.fnclcc.fr
   7   - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
   8
   9   This software is distributed WITHOUT ANY WARRANTY; without even
  10   the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  11   PURPOSE.  See the copyright notices for more information.
  12
  13   It is distributed under dual licence
  14
  15   - BSD        See included LICENSE.txt file
  16   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  17   ======================================================================-====*/
  18
  19 #include "vvSlicerManager.h"
  20 #include "vvSlicer.h"
  21 #include "vvImage.h"
  22 #include "vvSlicerManagerCommand.h"
  23 #include "vvInteractorStyleNavigator.h"
  24 #include "vvLandmarks.h"
  25 #include "vvMesh.h"
  26 #include "vvImageMapToWLColors.h"
  27 #include "vvBlendImageActor.h"
  28
  29 #include <vtkImageActor.h>
  30 #include <vtkImageData.h>
  31 #include <vtkRenderWindow.h>
  32 #include <vtkRendererCollection.h>
  33 #include <vtkRenderWindowInteractor.h>
  34 #include <vtkImageMapToWindowLevelColors.h>
  35 #include <vtkWindowLevelLookupTable.h>
  36 #include <vtkColorTransferFunction.h>
  37 #include <vtkImageClip.h>
  38 #include <vtkLODActor.h>
  39 #include <vtkPointData.h>
  40 #include <vtksys/SystemTools.hxx>
  41 #include <vtkCamera.h>
  42
  43 #include <qfileinfo.h>
  44
  45 //----------------------------------------------------------------------------
  46 vvSlicerManager::vvSlicerManager(int numberOfSlicers)
  47 {
  48   mFileName = "";
  49   mId = "";
  50   mVFName = "";
  51   mOverlayName = "";
  52   mFusionName = "";
  53   mVFId = "";
  54   mLastError = "";
  55   mType = vvImageReader::UNDEFINEDIMAGETYPE;
  56   mColorMap = 0;
  57   mPreset = 0;
  58   mOverlayColor = 130;
  59
  60   mFusionOpacity = 70;
  61   mFusionThresOpacity = 1;
  62   mFusionColorMap = 3;
  63   mFusionWindow = 1000;
  64   mFusionLevel = 1000;
  65
  66   mLandmarks = NULL;
  67   mLinkedId.resize(0);
  68
  69   for ( int i = 0; i < numberOfSlicers; i++)
  70     mSlicers.push_back(vtkSmartPointer<vvSlicer>::New());
  71
  72   mPreviousSlice.resize(numberOfSlicers);
  73   mPreviousTSlice.resize(numberOfSlicers);
  74 }
  75 //----------------------------------------------------------------------------
  76
  77
  78 //----------------------------------------------------------------------------
  79 vvSlicerManager::~vvSlicerManager()
  80 {
  81   if (mLandmarks)
  82     delete mLandmarks;
  83 }
  84 //----------------------------------------------------------------------------
  85
  86
  87 //------------------------------------------------------------------------------
  88 void vvSlicerManager::SetFilename(std::string filename, int number)
  89 {
  90   mFileName = filename;
  91   mFileName = vtksys::SystemTools::GetFilenameName(mFileName);
  92   mBaseFileName = vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(mFileName));
  93   mBaseFileNameNumber = number;
  94
  95   mFileName = mBaseFileName;
  96   if (number != 0) {
  97     mFileName.append("_"+clitk::toString(number));
  98   }
  99   mFileName.append(vtksys::SystemTools::GetFilenameLastExtension(filename));
 100
 101   for(unsigned int i=0; i<mSlicers.size(); i++) {
 102     mSlicers[i]->SetFileName(mFileName);//vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
 103   }
 104
 105 }
 106 //------------------------------------------------------------------------------
 107
 108
 109 //----------------------------------------------------------------------------
 110 void vvSlicerManager::AddContour(vvMesh::Pointer contour,bool propagate)
 111 {
 112   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 113     mSlicers[i]->AddContour(contour,propagate);
 114   }
 115 }
 116 //----------------------------------------------------------------------------
 117
 118
 119 //----------------------------------------------------------------------------
 120 void vvSlicerManager::ToggleContourSuperposition()
 121 {
 122   for ( unsigned int i = 0; i < mSlicers.size(); i++)
 123     mSlicers[i]->ToggleContourSuperposition();
 124 }
 125 //----------------------------------------------------------------------------
 126
 127 //----------------------------------------------------------------------------
 128 std::string vvSlicerManager::GetListOfAbsoluteFilePathInOneString(const std::string &actorType)
 129 {
 130   vvImageReader *reader = NULL;
 131
 132   if(actorType=="image")
 133     reader = mReader;
 134   else if(actorType=="overlay")
 135     reader = mOverlayReader;
 136   else if(actorType=="fusion")
 137     reader = mFusionReader;
 138   else if(actorType=="vector")
 139     reader = mVectorReader;
 140
 141   if(!reader)
 142     return "";
 143
 144   std::string list;
 145   for(unsigned int i=0; i<reader->GetInputFilenames().size(); i++){
 146     QFileInfo fileinfo(reader->GetInputFilenames()[i].c_str()); //Do not show the path
 147     if(i)
 148       list += '\n';
 149     list += fileinfo.absoluteFilePath().toStdString();
 150   }
 151   return list;
 152 }
 153 //----------------------------------------------------------------------------
 154
 155
 156 //----------------------------------------------------------------------------
 157 bool vvSlicerManager::SetImage(std::string filename, vvImageReader::LoadedImageType type, int n, unsigned int slice)
 158 {
 159   mType = type;
 160   if (mReader.IsNull())
 161     mReader = vvImageReader::New();
 162   std::vector<std::string> filenames;
 163   filenames.push_back(filename);
 164   mReader->SetInputFilenames(filenames);
 165   mReader->SetSlice(slice); // Only used for SLICED type
 166   mReader->Update(type);
 167
 168   SetFilename(filename, n);
 169   //  mFileName = vtksys::SystemTools::GetFilenameName(mFileName);
 170   //mBaseFileName = vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(mFileName));
 171   //mBaseFileNameNumber = n;
 172
 173   if (mReader->GetLastError().size() == 0) {
 174     mImage=mReader->GetOutput();
 175     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 176       mSlicers[i]->SetFileName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
 177       mSlicers[i]->SetImage(mReader->GetOutput());
 178     }
 179   } else {
 180     mLastError = mReader->GetLastError();
 181     return false;
 182   }
 183   // if (n!=0) {
 184   //   mFileName.append("_"+clitk::toString(n));
 185   // }
 186   return true;
 187 }
 188 //----------------------------------------------------------------------------
 189
 190
 191 //----------------------------------------------------------------------------
 192 void vvSlicerManager::SetImage(vvImage::Pointer image)
 193 {
 194   mImage=image;
 195   for (unsigned int i = 0; i < mSlicers.size(); i++) {
 196     mSlicers[i]->SetImage(image);
 197   }
 198 }
 199 //----------------------------------------------------------------------------
 200
 201
 202 //----------------------------------------------------------------------------
 203 bool vvSlicerManager::SetImages(std::vector<std::string> filenames, vvImageReader::LoadedImageType type, int n)
 204 {
 205   mType = type;
 206   std::string fileWithoutExtension = vtksys::SystemTools::GetFilenameWithoutExtension(filenames[0]);
 207   if (type == vvImageReader::DICOM)
 208     fileWithoutExtension += "_dicom";
 209   else if (type == vvImageReader::MERGED)
 210     fileWithoutExtension += "_merged";
 211   else if (type == vvImageReader::MERGEDWITHTIME)
 212     fileWithoutExtension += "_merged_wt";
 213
 214   mFileName = vtksys::SystemTools::GetFilenameName(mFileName);
 215   mFileName = fileWithoutExtension + vtksys::SystemTools::GetFilenameExtension(filenames[0]);
 216   if (mReader.IsNull())
 217     mReader = vvImageReader::New();
 218   mReader->SetInputFilenames(filenames);
 219   mReader->Update(type);
 220
 221   mBaseFileName = vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(mFileName));
 222   mBaseFileNameNumber = n;
 223
 224   if (mReader->GetLastError().size() == 0) {
 225     mImage=mReader->GetOutput();
 226     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 227       mSlicers[i]->SetFileName(fileWithoutExtension);
 228       mSlicers[i]->SetImage(mReader->GetOutput());
 229     }
 230   } else {
 231     mLastError = mReader->GetLastError();
 232     return false;
 233   }
 234   if (n!=0) {
 235     mFileName.append("_"+clitk::toString(n));
 236   }
 237   return true;
 238 }
 239 //----------------------------------------------------------------------------
 240
 241
 242 //----------------------------------------------------------------------------
 243 bool vvSlicerManager::SetOverlay(std::string filename,int dim, std::string component)
 244 {
 245   mOverlayName = filename;
 246   mOverlayComponent = component;
 247   if (dim > mImage->GetNumberOfDimensions()) {
 248     mLastError = " Overlay dimension cannot be greater then reference image!";
 249     return false;
 250   }
 251   if (mOverlayReader.IsNull())
 252     mOverlayReader = vvImageReader::New();
 253   std::vector<std::string> filenames;
 254   filenames.push_back(filename);
 255   mOverlayReader->SetInputFilenames(filenames);
 256   mOverlayReader->Update(mImage->GetNumberOfDimensions(),component.c_str(),mType);
 257   if (mOverlayReader->GetLastError().size() == 0) {
 258     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 259       mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
 260     }
 261   } else {
 262     mLastError = mOverlayReader->GetLastError();
 263     return false;
 264   }
 265   return true;
 266 }
 267 //----------------------------------------------------------------------------
 268
 269
 270 //----------------------------------------------------------------------------
 271 bool vvSlicerManager::SetFusion(std::string filename,int dim, std::string component)
 272 {
 273   mFusionName = filename;
 274   mFusionComponent = component;
 275   if (dim > mImage->GetNumberOfDimensions()) {
 276     mLastError = " Overlay dimension cannot be greater then reference image!";
 277     return false;
 278   }
 279   if (mFusionReader.IsNull())
 280     mFusionReader = vvImageReader::New();
 281   std::vector<std::string> filenames;
 282   filenames.push_back(filename);
 283   mFusionReader->SetInputFilenames(filenames);
 284   mFusionReader->Update(mImage->GetNumberOfDimensions(),component.c_str(),mType);
 285   if (mFusionReader->GetLastError().size() == 0) {
 286     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 287       mSlicers[i]->SetFusion(mFusionReader->GetOutput());
 288     }
 289   } else {
 290     mLastError = mFusionReader->GetLastError();
 291     return false;
 292   }
 293   double *fusRange = mFusionReader->GetOutput()->GetVTKImages()[0]->GetScalarRange();
 294   mFusionLevel = (fusRange[0]+fusRange[1])/2;
 295   mFusionWindow = fusRange[1]-fusRange[0];
 296
 297   return true;
 298 }
 299 //----------------------------------------------------------------------------
 300
 301
 302 //----------------------------------------------------------------------------
 303 bool vvSlicerManager::SetVF(std::string filename)
 304 {
 305   if (mVectorReader.IsNull())
 306     mVectorReader = vvImageReader::New();
 307   mVectorReader->SetInputFilename(filename);
 308   mVectorReader->Update(vvImageReader::VECTORFIELD);
 309   if (mVectorReader->GetLastError().size() != 0) {
 310     mLastError = mVectorReader->GetLastError();
 311     return false;
 312   } else
 313     return SetVF(mVectorReader->GetOutput(),filename);
 314 }
 315 //----------------------------------------------------------------------------
 316
 317
 318 //----------------------------------------------------------------------------
 319 bool vvSlicerManager::SetVF(vvImage::Pointer vf,std::string filename)
 320 {
 321   if (vf->GetNumberOfDimensions() > mImage->GetNumberOfDimensions()) {
 322     mLastError = "Sorry, vector field dimension cannot be greater then reference image.";
 323     return false;
 324   }
 325   if (vf->GetNumberOfDimensions() == 4) {
 326     if (vf->GetSpacing()[3] != mImage->GetSpacing()[3]) {
 327       mLastError = "Sorry, vector field time spacing cannot be different from time spacing of the reference image.";
 328       return false;
 329     }
 330     if (vf->GetOrigin()[3] != mImage->GetOrigin()[3]) {
 331       mLastError = "Sorry, vector field time origin cannot be different from time origin of the reference image.";
 332       return false;
 333     }
 334   }
 335   mVF=vf;
 336   mVFName = filename;
 337   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 338     mSlicers[i]->SetVF(vf);
 339   }
 340   return true;
 341 }
 342 //----------------------------------------------------------------------------
 343
 344
 345 //----------------------------------------------------------------------------
 346 vvSlicer* vvSlicerManager::GetSlicer(int i)
 347 {
 348   return mSlicers[i];
 349 }
 350 //----------------------------------------------------------------------------
 351
 352
 353 //----------------------------------------------------------------------------
 354 void vvSlicerManager::UpdateSlicer(int num, bool state)
 355 {
 356   if (mSlicers[num]->GetImage())
 357     mSlicers[num]->SetDisplayMode(state);
 358 }
 359 //----------------------------------------------------------------------------
 360
 361
 362 //----------------------------------------------------------------------------
 363 void vvSlicerManager::SetSlicerWindow(int i, vtkRenderWindow* RW)
 364 {
 365   mSlicers[i]->SetRenderWindow(i,RW);
 366 }
 367 //----------------------------------------------------------------------------
 368
 369
 370 //----------------------------------------------------------------------------
 371 void vvSlicerManager::SetInteractorStyleNavigator(int i, vtkInteractorStyle* style)
 372 {
 373   vvSlicerManagerCommand *smc = vvSlicerManagerCommand::New();
 374   smc->SM = this;
 375   smc->SetSlicerNumber(i);
 376   mSlicers[i]->GetRenderWindow()->GetInteractor()->SetInteractorStyle(style);
 377
 378   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 379     GetInteractorStyle()->AddObserver(vtkCommand::KeyPressEvent, smc);
 380   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 381     GetInteractorStyle()->AddObserver(vtkCommand::WindowLevelEvent, smc);
 382   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 383     GetInteractorStyle()->AddObserver(vtkCommand::EndWindowLevelEvent, smc);
 384   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 385     GetInteractorStyle()->AddObserver(vtkCommand::StartWindowLevelEvent, smc);
 386   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 387     GetInteractorStyle()->AddObserver(vtkCommand::PickEvent, smc);
 388   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 389     GetInteractorStyle()->AddObserver(vtkCommand::StartPickEvent, smc);
 390   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 391     GetInteractorStyle()->AddObserver(vtkCommand::LeaveEvent, smc);
 392   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 393     GetInteractorStyle()->AddObserver(vtkCommand::UserEvent, smc);
 394   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 395     GetInteractorStyle()->AddObserver(vtkCommand::MouseWheelForwardEvent, smc);
 396   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 397     GetInteractorStyle()->AddObserver(vtkCommand::MouseWheelBackwardEvent, smc);
 398   // mSlicers[i]->GetRenderWindow()->GetInteractor()->
 399   //   GetInteractorStyle()->AddObserver(vtkCommand::LeftButtonReleaseEvent, smc);
 400   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 401     GetInteractorStyle()->AddObserver(vtkCommand::EndPickEvent, smc);
 402   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 403     GetInteractorStyle()->AddObserver(vtkCommand::EndInteractionEvent, smc);
 404   smc->Delete();
 405 }
 406 //----------------------------------------------------------------------------
 407
 408
 409 //----------------------------------------------------------------------------
 410 void vvSlicerManager::LeftButtonReleaseEvent(int slicer)
 411 {
 412   emit LeftButtonReleaseSignal(slicer);
 413 }
 414 //----------------------------------------------------------------------------
 415
 416 //----------------------------------------------------------------------------
 417 void vvSlicerManager::SetSliceOrientation(int slicer, int orientation)
 418 {
 419   mSlicers[slicer]->SetSliceOrientation(orientation);
 420   emit UpdateOrientation(slicer, orientation);
 421 }
 422 //----------------------------------------------------------------------------
 423
 424 //----------------------------------------------------------------------------
 425 void vvSlicerManager::SetTSlice(int slice)
 426 {
 427   if (slice < 0)
 428     slice = 0;
 429   else if (slice > mSlicers[0]->GetTMax())
 430     slice = mSlicers[0]->GetTMax();
 431   if (mLandmarks)
 432     mLandmarks->SetTime(slice);
 433   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 434     if (slice != mSlicers[i]->GetTSlice()) {
 435       mSlicers[i]->SetTSlice(slice);
 436       if (mSlicers[i]->GetImageActor()->GetVisibility())
 437         UpdateTSlice(i);
 438     }
 439   }
 440 }
 441 //----------------------------------------------------------------------------
 442
 443
 444 //----------------------------------------------------------------------------
 445 void vvSlicerManager::SetNextTSlice(int originating_slicer)
 446 {
 447   int t = mSlicers[0]->GetTSlice();
 448   t++;
 449   if (t > mSlicers[0]->GetTMax())
 450     t = 0;
 451   //std::cout << "vvSlicerManager::SetNextTSlice" << std::endl;
 452   emit UpdateTSlice(originating_slicer,t);
 453 }
 454 //----------------------------------------------------------------------------
 455
 456
 457 //----------------------------------------------------------------------------
 458 void vvSlicerManager::SetPreviousTSlice(int originating_slicer)
 459 {
 460   int t = mSlicers[0]->GetTSlice();
 461   t--;
 462   if (t < 0)
 463     t = mSlicers[0]->GetTMax();
 464   //std::cout << "vvSlicerManager::SetPreviousTSlice" << std::endl;
 465   emit UpdateTSlice(originating_slicer,t);
 466 }
 467 //----------------------------------------------------------------------------
 468
 469
 470 //----------------------------------------------------------------------------
 471 void vvSlicerManager::ToggleInterpolation()
 472 {
 473   bool interpolate=!(mSlicers[0]->GetImageActor()->GetInterpolate());
 474   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 475     mSlicers[i]->GetImageActor()->SetInterpolate(interpolate);
 476     if (mSlicers[i]->GetOverlayActor())
 477       mSlicers[i]->GetOverlayActor()->SetInterpolate(interpolate);
 478     if (mSlicers[i]->GetFusionActor())
 479       mSlicers[i]->GetFusionActor()->SetInterpolate(interpolate);
 480   }
 481 }
 482 //----------------------------------------------------------------------------
 483
 484
 485 //----------------------------------------------------------------------------
 486 void vvSlicerManager::SetTSliceInSlicer(int tslice, int slicer)
 487 {
 488   if (tslice < 0)
 489     tslice = 0;
 490   else if (tslice > mSlicers[slicer]->GetTMax())
 491     tslice = mSlicers[slicer]->GetTMax();
 492   if (mLandmarks)
 493     mLandmarks->SetTime(tslice);
 494
 495   if (mSlicers[slicer]->GetTSlice() == tslice) return;
 496
 497   mSlicers[slicer]->SetTSlice(tslice);
 498   if (mSlicers[slicer]->GetImageActor()->GetVisibility())
 499     UpdateTSlice(slicer);
 500 }
 501 //----------------------------------------------------------------------------
 502
 503
 504 //----------------------------------------------------------------------------
 505 void vvSlicerManager::SetColorWindow(double s)
 506 {
 507   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 508     mSlicers[i]->SetColorWindow(s);
 509   }
 510 }
 511 //----------------------------------------------------------------------------
 512
 513
 514 //----------------------------------------------------------------------------
 515 void vvSlicerManager::SetColorLevel(double s)
 516 {
 517   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 518     mSlicers[i]->SetColorLevel(s);
 519   }
 520 }
 521 //----------------------------------------------------------------------------
 522
 523 //----------------------------------------------------------------------------
 524 void vvSlicerManager::SetCursorAndCornerAnnotationVisibility(int s)
 525 {
 526   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 527     mSlicers[i]->SetCursorVisibility(s);
 528     mSlicers[i]->SetCornerAnnotationVisibility(s);
 529   }
 530 }
 531 //----------------------------------------------------------------------------
 532
 533 //----------------------------------------------------------------------------
 534 void vvSlicerManager::SetOpacity(int i, double factor)
 535 {
 536   mSlicers[i]->SetOpacity(1/factor);
 537 }
 538 //----------------------------------------------------------------------------
 539
 540
 541 //----------------------------------------------------------------------------
 542 void vvSlicerManager::UpdateViews(int current,int slicer)
 543 {
 544   double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
 545     /mSlicers[slicer]->GetInput()->GetSpacing()[0];
 546   double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
 547     /mSlicers[slicer]->GetInput()->GetSpacing()[1];
 548   double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
 549     /mSlicers[slicer]->GetInput()->GetSpacing()[2];
 550
 551   if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
 552       x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
 553       y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
 554       y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
 555       z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
 556       z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]) {
 557     mSlicers[slicer]->UpdateCursorPosition();
 558     mSlicers[slicer]->SetCursorColor(10,212,255);
 559
 560     switch (mSlicers[slicer]->GetSliceOrientation()) {
 561     case vtkImageViewer2::SLICE_ORIENTATION_XY:
 562       if (mSlicers[slicer]->GetSlice() != (int)floor(z))
 563         mSlicers[slicer]->SetSlice((int)floor(z));
 564       break;
 565
 566     case vtkImageViewer2::SLICE_ORIENTATION_XZ:
 567       if (mSlicers[slicer]->GetSlice() != (int)floor(y))
 568         mSlicers[slicer]->SetSlice((int)floor(y));
 569       break;
 570
 571     case vtkImageViewer2::SLICE_ORIENTATION_YZ:
 572       if (mSlicers[slicer]->GetSlice() != (int)floor(x))
 573         mSlicers[slicer]->SetSlice((int)floor(x));
 574       break;
 575     }
 576     mSlicers[slicer]->Render();
 577
 578     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 579       if (i != (unsigned int)slicer && mSlicers[i]->GetImageActor()->GetVisibility()
 580           && mSlicers[i]->GetRenderWindow()->GetSize()[0] > 2
 581           && mSlicers[i]->GetRenderWindow()->GetSize()[1] > 2) {
 582         mSlicers[i]->SetCurrentPosition(mSlicers[slicer]->GetCurrentPosition()[0],
 583                                         mSlicers[slicer]->GetCurrentPosition()[1],
 584                                         mSlicers[slicer]->GetCurrentPosition()[2],
 585                                         mSlicers[slicer]->GetTSlice());
 586         mSlicers[i]->UpdateCursorPosition();
 587         if (current) { //do not display corner annotation if image is the one picked
 588           mSlicers[i]->SetCurrentPosition(-VTK_DOUBLE_MAX,-VTK_DOUBLE_MAX,
 589                                           -VTK_DOUBLE_MAX, mSlicers[slicer]->GetTSlice());
 590           mSlicers[i]->SetCursorColor(255,10,212);
 591         } else {
 592           mSlicers[i]->SetCursorColor(150,10,282);
 593         }
 594         switch (mSlicers[i]->GetSliceOrientation()) {
 595         case vtkImageViewer2::SLICE_ORIENTATION_XY:
 596           if (mSlicers[i]->GetSlice() != (int)floor(z))
 597             mSlicers[i]->SetSlice((int)floor(z));
 598           break;
 599
 600         case vtkImageViewer2::SLICE_ORIENTATION_XZ:
 601           if (mSlicers[i]->GetSlice() != (int)floor(y))
 602             mSlicers[i]->SetSlice((int)floor(y));
 603           break;
 604
 605         case vtkImageViewer2::SLICE_ORIENTATION_YZ:
 606           if (mSlicers[i]->GetSlice() != (int)floor(x))
 607             mSlicers[i]->SetSlice((int)floor(x));
 608           break;
 609         }
 610
 611         mSlicers[i]->Render();
 612
 613         UpdateSlice(i);
 614         UpdateTSlice(i);
 615       }
 616     }
 617   }
 618 }
 619 //----------------------------------------------------------------------------
 620
 621
 622 //----------------------------------------------------------------------------
 623 void vvSlicerManager::UpdateLinked(int slicer)
 624 {
 625   double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
 626     /mSlicers[slicer]->GetInput()->GetSpacing()[0];
 627   double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
 628     /mSlicers[slicer]->GetInput()->GetSpacing()[1];
 629   double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
 630     /mSlicers[slicer]->GetInput()->GetSpacing()[2];
 631
 632   if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
 633       x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
 634       y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
 635       y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
 636       z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
 637       z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]) {
 638     for (std::list<std::string>::const_iterator i = mLinkedId.begin(); i != mLinkedId.end(); i++) {
 639       emit UpdateLinkManager(*i, slicer,mSlicers[slicer]->GetCurrentPosition()[0],
 640                              mSlicers[slicer]->GetCurrentPosition()[1],
 641                              mSlicers[slicer]->GetCurrentPosition()[2],mSlicers[slicer]->GetTSlice());
 642     }
 643   }
 644 }
 645 //----------------------------------------------------------------------------
 646
 647 //----------------------------------------------------------------------------
 648 void vvSlicerManager::UpdateLinkedNavigation(vvSlicer *refSlicer, bool bPropagate)
 649 {
 650   vtkCamera *refCam = refSlicer->GetRenderer()->GetActiveCamera();
 651   double refPosition[3], refFocal[3];
 652   refCam->GetPosition(refPosition);
 653   refCam->GetFocalPoint(refFocal);
 654
 655   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 656     vtkCamera *camera = mSlicers[i]->GetRenderer()->GetActiveCamera();
 657     camera->SetParallelScale(refCam->GetParallelScale());
 658
 659     double position[3], focal[3];
 660     camera->GetPosition(position);
 661     camera->GetFocalPoint(focal);
 662
 663     if(refSlicer->GetSliceOrientation()==mSlicers[i]->GetSliceOrientation()) {
 664       for(int i=0; i<3; i++) {
 665         position[i] = refPosition[i];
 666         focal[i]    = refFocal[i];
 667       }
 668     }
 669
 670     if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
 671       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
 672         position[0] = refPosition[0];
 673         focal[0]    = refFocal[0];
 674       }
 675       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
 676         position[1] = refPosition[1];
 677         focal[1]    = refFocal[1];
 678       }
 679     }
 680
 681     if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
 682       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
 683         position[2] = refPosition[2];
 684         focal[2]    = refFocal[2];
 685       }
 686       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
 687         position[0] = refPosition[0];
 688         focal[0]    = refFocal[0];
 689       }
 690     }
 691
 692     if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
 693       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
 694         position[1] = refPosition[1];
 695         focal[1]    = refFocal[1];
 696       }
 697       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
 698         position[2] = refPosition[2];
 699         focal[2]    = refFocal[2];
 700       }
 701     }
 702
 703     camera->SetFocalPoint(focal);
 704     camera->SetPosition(position);
 705
 706     //Fix for bug #243
 707     mSlicers[i]->ForceUpdateDisplayExtent();
 708   }
 709
 710   Render();
 711   if(bPropagate)
 712     for (std::list<std::string>::const_iterator i = mLinkedId.begin(); i != mLinkedId.end(); i++)
 713       emit UpdateLinkedNavigation(*i, this, refSlicer);
 714 }
 715 //----------------------------------------------------------------------------
 716
 717 //----------------------------------------------------------------------------
 718 double vvSlicerManager::GetColorWindow()
 719 {
 720   if (mSlicers.size())
 721     return mSlicers[0]->GetColorWindow();
 722   return -1;
 723 }
 724 //----------------------------------------------------------------------------
 725
 726
 727 //----------------------------------------------------------------------------
 728 double vvSlicerManager::GetColorLevel()
 729 {
 730   if (mSlicers.size())
 731     return mSlicers[0]->GetColorLevel();
 732   return -1;
 733 }
 734 //----------------------------------------------------------------------------
 735
 736
 737 //----------------------------------------------------------------------------
 738 void vvSlicerManager::Render()
 739 {
 740   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 741     mSlicers[i]->Render();
 742   }
 743 }
 744 //----------------------------------------------------------------------------
 745
 746
 747 //----------------------------------------------------------------------------
 748 void vvSlicerManager::GenerateDefaultLookupTable()
 749 {
 750   SetPreset(mPreset);
 751   SetColorMap(mColorMap);
 752 }
 753 //----------------------------------------------------------------------------
 754
 755
 756 //----------------------------------------------------------------------------
 757 void vvSlicerManager::Reload()
 758 {
 759   mReader->Update(mType);
 760   mImage=mReader->GetOutput();
 761   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 762     mSlicers[i]->SetImage(mImage);
 763   }
 764 }
 765 //----------------------------------------------------------------------------
 766
 767
 768 //----------------------------------------------------------------------------
 769 void vvSlicerManager::ReloadFusion()
 770 {
 771   mFusionReader->Update();
 772   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 773     mSlicers[i]->SetFusion(mFusionReader->GetOutput());
 774     mSlicers[i]->Render();
 775   }
 776 }
 777 //----------------------------------------------------------------------------
 778
 779
 780 //----------------------------------------------------------------------------
 781 void vvSlicerManager::ReloadOverlay()
 782 {
 783   mOverlayReader->Update();
 784   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 785     mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
 786     mSlicers[i]->Render();
 787   }
 788 }
 789 //----------------------------------------------------------------------------
 790
 791
 792 //----------------------------------------------------------------------------
 793 void vvSlicerManager::ReloadVF()
 794 {
 795   mVectorReader->Update(vvImageReader::VECTORFIELD); //deletes the old images through the VF::Init() function
 796   mVF=mVectorReader->GetOutput();
 797   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 798     mSlicers[i]->SetVF(mVF);
 799     mSlicers[i]->Render();
 800   }
 801 }
 802 //----------------------------------------------------------------------------
 803
 804
 805 //----------------------------------------------------------------------------
 806 void vvSlicerManager::RemoveActor(const std::string& actor_type, int overlay_index)
 807 {
 808   if (actor_type =="overlay")
 809     mOverlayReader = NULL;
 810
 811   if (actor_type =="fusion")
 812     mFusionReader = NULL;
 813
 814   for (unsigned int i = 0; i < mSlicers.size(); i++)
 815     mSlicers[i]->RemoveActor(actor_type,overlay_index);
 816
 817   if (actor_type=="vector") {
 818     mVF=NULL;
 819     mVectorReader=NULL;
 820   }
 821 }
 822 //----------------------------------------------------------------------------
 823
 824
 825 //----------------------------------------------------------------------------
 826 void vvSlicerManager::RemoveActors()
 827 {
 828   ///This method leaks a few objects. See RemoveActor for what a
 829   ///correct implementation would look like
 830   //DS -> probably due to the reader (now released in the
 831   //RemoveActor() function. (I hope)
 832   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 833     mSlicers[i]->SetDisplayMode(0);
 834     mSlicers[i]->GetRenderer()->RemoveActor(mSlicers[i]->GetImageActor());
 835   }
 836 }
 837 //----------------------------------------------------------------------------
 838
 839
 840 //----------------------------------------------------------------------------
 841 void vvSlicerManager::UpdateInfoOnCursorPosition(int slicer)
 842 {
 843   //  int view = mSlicers[slicer]->GetSliceOrientation();
 844   //  int slice = mSlicers[slicer]->GetSlice();
 845   double x = mSlicers[slicer]->GetCursorPosition()[0];
 846   double y = mSlicers[slicer]->GetCursorPosition()[1];
 847   double z = mSlicers[slicer]->GetCursorPosition()[2];
 848   double X = (x - mSlicers[slicer]->GetInput()->GetOrigin()[0])/
 849     mSlicers[slicer]->GetInput()->GetSpacing()[0];
 850   double Y = (y - mSlicers[slicer]->GetInput()->GetOrigin()[1])/
 851     mSlicers[slicer]->GetInput()->GetSpacing()[1];
 852   double Z = (z - mSlicers[slicer]->GetInput()->GetOrigin()[2])/
 853     mSlicers[slicer]->GetInput()->GetSpacing()[2];
 854   double value = -VTK_DOUBLE_MAX;
 855   int displayVec = 0;
 856   double xVec=0, yVec=0, zVec=0, valueVec=0;
 857   int displayOver = 0;
 858   int displayFus = 0;
 859   double valueOver=0, valueFus=0;
 860   if (X >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
 861       X <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
 862       Y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
 863       Y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
 864       Z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
 865       Z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]) {
 866     value = this->GetScalarComponentAsDouble(mSlicers[slicer]->GetInput(), X, Y, Z);
 867
 868     if (mSlicers[slicer]->GetVFActor() && mSlicers[slicer]->GetVFActor()->GetVisibility()) {
 869       displayVec = 1;
 870       unsigned int currentTime = mSlicers[slicer]->GetTSlice();
 871       vtkImageData *vf = NULL;
 872
 873       if (mSlicers[slicer]->GetVF()->GetVTKImages().size() > currentTime)
 874         vf = mSlicers[slicer]->GetVF()->GetVTKImages()[currentTime];
 875       else
 876         vf = mSlicers[slicer]->GetVF()->GetVTKImages()[0];
 877
 878       if (vf) {
 879         double Xvf = (x - vf->GetOrigin()[0])/ vf->GetSpacing()[0];
 880         double Yvf = (y - vf->GetOrigin()[1])/ vf->GetSpacing()[1];
 881         double Zvf = (z - vf->GetOrigin()[2])/ vf->GetSpacing()[2];
 882         xVec = this->GetScalarComponentAsDouble( vf, Xvf, Yvf, Zvf, 0);
 883         yVec = this->GetScalarComponentAsDouble( vf, Xvf, Yvf, Zvf, 1);
 884         zVec = this->GetScalarComponentAsDouble( vf, Xvf, Yvf, Zvf, 2);
 885         valueVec = sqrt(xVec*xVec + yVec*yVec + zVec*zVec);
 886       }
 887     }
 888     if (mSlicers[slicer]->GetOverlayActor() && mSlicers[slicer]->GetOverlayActor()->GetVisibility()) {
 889       displayOver = 1;
 890       vtkImageData *overlay = dynamic_cast<vtkImageData*>(mSlicers[slicer]->GetOverlayMapper()->GetInput());
 891       double Xover = (x - overlay->GetOrigin()[0]) / overlay->GetSpacing()[0];
 892       double Yover = (y - overlay->GetOrigin()[1]) / overlay->GetSpacing()[1];
 893       double Zover = (z - overlay->GetOrigin()[2]) / overlay->GetSpacing()[2];
 894       valueOver = this->GetScalarComponentAsDouble(overlay, Xover, Yover, Zover);
 895     }
 896     if (mSlicers[slicer]->GetFusionActor() && mSlicers[slicer]->GetFusionActor()->GetVisibility()) {
 897       displayFus = 1;
 898       vtkImageData *fusion = dynamic_cast<vtkImageData*>(mSlicers[slicer]->GetFusionMapper()->GetInput());
 899       double Xover = (x - fusion->GetOrigin()[0]) / fusion->GetSpacing()[0];
 900       double Yover = (y - fusion->GetOrigin()[1]) / fusion->GetSpacing()[1];
 901       double Zover = (z - fusion->GetOrigin()[2]) / fusion->GetSpacing()[2];
 902       valueFus = this->GetScalarComponentAsDouble(fusion, Xover, Yover, Zover);
 903     }
 904     emit UpdatePosition(mSlicers[slicer]->GetCursorVisibility(),
 905                         x,y,z,X,Y,Z,value);
 906     emit UpdateVector(displayVec,xVec, yVec, zVec, valueVec);
 907     emit UpdateOverlay(displayOver,valueOver,value);
 908     emit UpdateFusion(displayFus,valueFus);
 909     for (unsigned int i = 0; i < mSlicers.size(); i++) {
 910       if (mSlicers[i]->GetImageActor()->GetVisibility() == 1)
 911         emit UpdateWindows(i,mSlicers[i]->GetSliceOrientation(),mSlicers[i]->GetSlice());
 912       else
 913         emit UpdateWindows(i,-1,-1);
 914     }
 915   }
 916 }
 917 //----------------------------------------------------------------------------
 918
 919
 920 //----------------------------------------------------------------------------
 921 void vvSlicerManager::Activated()
 922 {
 923   emit currentImageChanged(mId);
 924 }
 925 //----------------------------------------------------------------------------
 926
 927
 928 //----------------------------------------------------------------------------
 929 void vvSlicerManager::Picked()
 930 {
 931   emit currentPickedImageChanged(mId);
 932 }
 933 //----------------------------------------------------------------------------
 934
 935 //----------------------------------------------------------------------------
 936 void vvSlicerManager::UpdateWindowLevel()
 937 {
 938   emit WindowLevelChanged(mSlicers[0]->GetColorWindow(),mSlicers[0]->GetColorLevel(),mPreset,mColorMap);
 939 }
 940 //----------------------------------------------------------------------------
 941
 942
 943 //----------------------------------------------------------------------------
 944 void vvSlicerManager::UpdateSlice(int slicer)
 945 {
 946   if (mPreviousSlice[slicer] == mSlicers[slicer]->GetSlice()) {
 947     //DD("============= NOTHING");
 948     return;
 949   }
 950   //std::cout << "vvSlicerManager::UpdateSlice " << slicer << " " << mSlicers[slicer]->GetSlice() << std::endl;
 951   emit UpdateSlice(slicer, mSlicers[slicer]->GetSlice());
 952   mSlicers[slicer]->Render(); // DS <-- I add this, this could/must be the only Render ...
 953   mPreviousSlice[slicer] = mSlicers[slicer]->GetSlice();
 954 }
 955 //----------------------------------------------------------------------------
 956
 957
 958 //----------------------------------------------------------------------------
 959 void vvSlicerManager::UpdateTSlice(int slicer)
 960 {
 961   int slice = mSlicers[slicer]->GetSlice();
 962   int tslice = mSlicers[slicer]->GetTSlice();
 963   if (mPreviousSlice[slicer] == slice) {
 964     if (mPreviousTSlice[slicer] == tslice) {
 965       //      DD("************** NOTHING ***********");
 966       return;
 967     }
 968   }
 969   mPreviousSlice[slicer] = slice;
 970   mPreviousTSlice[slicer] = tslice;
 971   //std::cout << "vvSlicerManager::UpdateTSlice " << slicer << " " << tslice << std::endl;
 972   emit UpdateTSlice(slicer, tslice);
 973 }
 974 //----------------------------------------------------------------------------
 975
 976
 977 //----------------------------------------------------------------------------
 978 void vvSlicerManager::UpdateSliceRange(int slicer)
 979 {
 980   emit UpdateSliceRange(slicer,
 981                         mSlicers[slicer]->GetSliceRange()[0], mSlicers[slicer]->GetSliceRange()[1],
 982                         0,mSlicers[slicer]->GetTMax());
 983 }
 984 //----------------------------------------------------------------------------
 985
 986
 987 //----------------------------------------------------------------------------
 988 void vvSlicerManager::SetPreset(int preset)
 989 {
 990   //vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
 991   double window = mSlicers[0]->GetColorWindow();
 992   double level = mSlicers[0]->GetColorLevel();
 993
 994   std::string component_type=mImage->GetScalarTypeAsITKString();
 995   switch (preset) {
 996   case 0:
 997     double range[2];
 998     mImage->GetScalarRange(range);
 999     window = range[1] - range[0];
1000     level = (range[1] + range[0])* 0.5;
1001     break;
1002   case 1:
1003     window = 2000;
1004     level = 0;
1005     break;
1006   case 2:
1007     window = 400;
1008     level = 20;
1009     break;
1010   case 3:
1011     window = 1500;
1012     level = -500;
1013     break;
1014   case 4:
1015     window = 1000;
1016     level = 500;
1017     break;
1018   case 5:
1019     window = 1;
1020     level = 0.5;
1021     break;
1022   case 6:
1023     break;
1024   case 7:
1025     window=1.;
1026     level=0.;
1027     break;
1028   }
1029   mPreset = preset;
1030   this->SetColorWindow(window);
1031   this->SetColorLevel(level);
1032
1033   //if (LUT)
1034   //{
1035   //    SetColorMap(-1);
1036   //}
1037 }
1038 //----------------------------------------------------------------------------
1039
1040
1041 //----------------------------------------------------------------------------
1042 void vvSlicerManager::SetLocalColorWindowing(const int slicer)
1043 {
1044   double min, max;
1045   this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max);
1046   this->SetColorWindow(max-min);
1047   this->SetColorLevel(0.5*(min+max));
1048   this->UpdateWindowLevel();
1049   this->Render();
1050 }
1051 //----------------------------------------------------------------------------
1052
1053
1054 //----------------------------------------------------------------------------
1055 void vvSlicerManager::SetColorMap(int colormap)
1056 {
1057   double range[2];
1058   range[0] = mSlicers[0]->GetInput()->GetScalarRange()[0];
1059   range[1] = mSlicers[0]->GetInput()->GetScalarRange()[1];
1060
1061   double window = mSlicers[0]->GetWindowLevel()->GetWindow();
1062   double level = mSlicers[0]->GetWindowLevel()->GetLevel();
1063
1064   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
1065   switch (colormap) {
1066   case -1:
1067     break;
1068   case 0:
1069     LUT = NULL;
1070     break;
1071   case 1:
1072     if (LUT == NULL)
1073       LUT = vtkLookupTable::New();
1074     LUT->SetValueRange(0,1);
1075     LUT->SetSaturationRange(1,1);
1076     LUT->SetHueRange(0,0.18);
1077     break;
1078   case 2:
1079     if (LUT == NULL)
1080       LUT = vtkLookupTable::New();
1081     LUT->SetValueRange(0,1);
1082     LUT->SetSaturationRange(1,1);
1083     LUT->SetHueRange(0.4,0.80);
1084     break;
1085   case 3:
1086     if (LUT == NULL)
1087       LUT = vtkLookupTable::New();
1088     LUT->SetValueRange(0,1);
1089     LUT->SetSaturationRange(1,1);
1090     LUT->SetHueRange(0,1);
1091     break;
1092   case 5:
1093     if (LUT == NULL)
1094       LUT = vtkLookupTable::New();
1095     LUT->SetValueRange(0.,1);
1096     LUT->SetSaturationRange(1,1);
1097     LUT->SetHueRange(1,0.1);
1098     //LUT->SetRampToLinear();
1099     break;
1100   }
1101   if (LUT) {
1102     LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
1103     LUT->Build();
1104   }
1105   vtkWindowLevelLookupTable* fusLUT = NULL;
1106   if (mSlicers[0]->GetFusion()) { // && mFusionColorMap != 0) {
1107     fusLUT = vtkWindowLevelLookupTable::New();
1108     double fusRange [2];
1109     fusRange[0] = mFusionLevel - mFusionWindow/2;
1110     fusRange[1] = mFusionLevel + mFusionWindow/2;
1111     double* frange = mFusionReader->GetOutput()->GetVTKImages()[0]->GetScalarRange();
1112     fusLUT->SetTableRange(frange);
1113     fusLUT->SetValueRange(1,1);
1114     fusLUT->SetSaturationRange(1,1);
1115     fusLUT->SetAlphaRange(1, 1);
1116     fusLUT->SetWindow(mFusionWindow);
1117     fusLUT->SetLevel(mFusionLevel);
1118     if (mFusionColorMap == 1)
1119       fusLUT->SetHueRange(0,0.18);
1120     else if (mFusionColorMap == 2)
1121       fusLUT->SetHueRange(0.4,0.80);
1122     else if (mFusionColorMap == 3)
1123     {
1124       fusLUT->SetHueRange(0.666, 0);
1125       fusLUT->SetValueRange(0.5, 1);
1126     }
1127     else if (mFusionColorMap == 4)
1128       fusLUT->SetHueRange(0,1);
1129     else if (mFusionColorMap == 0)
1130     {
1131       fusLUT->SetValueRange(0,1);
1132       fusLUT->SetSaturationRange(0,0);
1133     }
1134
1135     fusLUT->ForceBuild();
1136
1137     // set color table transparancy
1138     double alpha_range_end = frange[0] + (double)mFusionThresOpacity*(frange[1] - frange[0])/100;
1139     for (double i = frange[0]; i < alpha_range_end; i++) {
1140       double v[4];
1141       vtkIdType index = fusLUT->GetIndex(i);
1142       fusLUT->GetTableValue(index, v);
1143       v[3] = 0;
1144       fusLUT->SetTableValue(index, v);
1145     }
1146   }
1147   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
1148
1149     if (mSlicers[i]->GetOverlay()) {
1150       vtkLookupTable* supLUT = vtkLookupTable::New();
1151       supLUT->SetTableRange(range[0],range[1]);
1152       supLUT->SetValueRange(1,1);
1153       supLUT->SetSaturationRange(1,1);
1154       supLUT->SetHueRange(double(mOverlayColor)/360,double(mOverlayColor)/360);
1155       supLUT->Build();
1156       vtkLookupTable* invLUT = vtkLookupTable::New();
1157       invLUT->SetTableRange(range[0],range[1]);
1158       invLUT->SetValueRange(1,1);
1159       invLUT->SetSaturationRange(1,1);
1160       invLUT->SetHueRange(double((mOverlayColor+180)%360)/360,double((mOverlayColor+180)%360)/360);
1161       invLUT->Build();
1162       dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
1163         ->SetWindowLevelMode(true);
1164       mSlicers[i]->GetWindowLevel()->SetLookupTable(supLUT);
1165       mSlicers[i]->GetOverlayMapper()->SetLookupTable(invLUT);
1166       invLUT->Delete();
1167       supLUT->Delete();
1168     } else if (mSlicers[i]->GetOverlay()) {
1169       //dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
1170       //->SetWindowLevelMode(false);
1171       mSlicers[i]->GetWindowLevel()->SetLookupTable(LUT);
1172     } else {
1173       mSlicers[i]->GetWindowLevel()->SetLookupTable(LUT);
1174     }
1175
1176     if (mSlicers[i]->GetFusion()) {
1177       mSlicers[i]->GetFusionActor()->SetOpacity(double(mFusionOpacity)/100);
1178       mSlicers[i]->GetFusionMapper()->SetLookupTable(fusLUT);
1179     }
1180   }
1181   if (fusLUT)
1182     fusLUT->Delete();
1183   if (colormap >= 0)
1184     mColorMap = colormap;
1185 }
1186 //----------------------------------------------------------------------------
1187
1188
1189 //----------------------------------------------------------------------------
1190 vvLandmarks* vvSlicerManager::GetLandmarks()
1191 {
1192   if (mLandmarks == NULL) {
1193     mLandmarks = new vvLandmarks(mSlicers[0]->GetTMax()+1);
1194     for (unsigned int i = 0; i < mSlicers.size(); i++)
1195       mSlicers[i]->SetLandmarks(mLandmarks);
1196   }
1197   return mLandmarks;
1198 }
1199 //----------------------------------------------------------------------------
1200
1201
1202 //----------------------------------------------------------------------------
1203 void vvSlicerManager::AddLandmark(float x,float y,float z,float t)
1204 {
1205   double x_index = (x - mSlicers[0]->GetInput()->GetOrigin()[0])/mSlicers[0]->GetInput()->GetSpacing()[0];
1206   double y_index = (y - mSlicers[0]->GetInput()->GetOrigin()[1])/mSlicers[0]->GetInput()->GetSpacing()[1];
1207   double z_index = (z - mSlicers[0]->GetInput()->GetOrigin()[2])/mSlicers[0]->GetInput()->GetSpacing()[2];
1208   if (x_index >= mSlicers[0]->GetInput()->GetWholeExtent()[0] &&
1209       x_index <= mSlicers[0]->GetInput()->GetWholeExtent()[1] &&
1210       y_index >= mSlicers[0]->GetInput()->GetWholeExtent()[2] &&
1211       y_index <= mSlicers[0]->GetInput()->GetWholeExtent()[3] &&
1212       z_index >= mSlicers[0]->GetInput()->GetWholeExtent()[4] &&
1213       z_index <= mSlicers[0]->GetInput()->GetWholeExtent()[5]) {
1214     double value = this->GetScalarComponentAsDouble(mSlicers[0]->GetInput(), x_index, y_index, z_index);
1215     this->GetLandmarks()->AddLandmark(x,y,z,t,value);
1216     emit LandmarkAdded();
1217   }
1218 }
1219 //----------------------------------------------------------------------------
1220
1221 //----------------------------------------------------------------------------
1222 void vvSlicerManager::PrevImage(int slicer)
1223 {
1224   emit ChangeImageWithIndexOffset(this, slicer, -1);
1225 }
1226 //----------------------------------------------------------------------------
1227
1228 //----------------------------------------------------------------------------
1229 void vvSlicerManager::NextImage(int slicer)
1230 {
1231   emit ChangeImageWithIndexOffset(this, slicer,  1);
1232 }
1233 //----------------------------------------------------------------------------
1234
1235 //----------------------------------------------------------------------------
1236 void vvSlicerManager::VerticalSliderHasChanged(int slicer, int slice)
1237 {
1238   emit AVerticalSliderHasChanged(slicer, slice);
1239 }
1240
1241 //----------------------------------------------------------------------------
1242
1243 //----------------------------------------------------------------------------
1244 double vvSlicerManager::GetScalarComponentAsDouble(vtkImageData *image, double X, double Y, double Z, int component)
1245 {
1246   int ix, iy, iz;
1247   return mSlicers[0]->GetScalarComponentAsDouble(image, X, Y, Z, ix, iy, iz, component);
1248 }
1249 //----------------------------------------------------------------------------