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         UpdateTSlice(i);
 437     }
 438   }
 439 }
 440 //----------------------------------------------------------------------------
 441
 442
 443 //----------------------------------------------------------------------------
 444 void vvSlicerManager::SetNextTSlice(int originating_slicer)
 445 {
 446   int t = mSlicers[0]->GetTSlice();
 447   t++;
 448   if (t > mSlicers[0]->GetTMax())
 449     t = 0;
 450   //std::cout << "vvSlicerManager::SetNextTSlice" << std::endl;
 451   emit UpdateTSlice(originating_slicer,t);
 452 }
 453 //----------------------------------------------------------------------------
 454
 455
 456 //----------------------------------------------------------------------------
 457 void vvSlicerManager::SetPreviousTSlice(int originating_slicer)
 458 {
 459   int t = mSlicers[0]->GetTSlice();
 460   t--;
 461   if (t < 0)
 462     t = mSlicers[0]->GetTMax();
 463   //std::cout << "vvSlicerManager::SetPreviousTSlice" << std::endl;
 464   emit UpdateTSlice(originating_slicer,t);
 465 }
 466 //----------------------------------------------------------------------------
 467
 468
 469 //----------------------------------------------------------------------------
 470 void vvSlicerManager::ToggleInterpolation()
 471 {
 472   bool interpolate=!(mSlicers[0]->GetImageActor()->GetInterpolate());
 473   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 474     mSlicers[i]->GetImageActor()->SetInterpolate(interpolate);
 475     if (mSlicers[i]->GetOverlayActor())
 476       mSlicers[i]->GetOverlayActor()->SetInterpolate(interpolate);
 477     if (mSlicers[i]->GetFusionActor())
 478       mSlicers[i]->GetFusionActor()->SetInterpolate(interpolate);
 479   }
 480 }
 481 //----------------------------------------------------------------------------
 482
 483
 484 //----------------------------------------------------------------------------
 485 void vvSlicerManager::SetTSliceInSlicer(int tslice, int slicer)
 486 {
 487   if (tslice < 0)
 488     tslice = 0;
 489   else if (tslice > mSlicers[slicer]->GetTMax())
 490     tslice = mSlicers[slicer]->GetTMax();
 491   if (mLandmarks)
 492     mLandmarks->SetTime(tslice);
 493
 494   if (mSlicers[slicer]->GetTSlice() == tslice) return;
 495
 496   mSlicers[slicer]->SetTSlice(tslice);
 497   UpdateTSlice(slicer);
 498 }
 499 //----------------------------------------------------------------------------
 500
 501
 502 //----------------------------------------------------------------------------
 503 void vvSlicerManager::SetColorWindow(double s)
 504 {
 505   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 506     mSlicers[i]->SetColorWindow(s);
 507   }
 508 }
 509 //----------------------------------------------------------------------------
 510
 511
 512 //----------------------------------------------------------------------------
 513 void vvSlicerManager::SetColorLevel(double s)
 514 {
 515   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 516     mSlicers[i]->SetColorLevel(s);
 517   }
 518 }
 519 //----------------------------------------------------------------------------
 520
 521 //----------------------------------------------------------------------------
 522 void vvSlicerManager::SetCursorAndCornerAnnotationVisibility(int s)
 523 {
 524   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 525     mSlicers[i]->SetCursorVisibility(s);
 526     mSlicers[i]->SetCornerAnnotationVisibility(s);
 527   }
 528 }
 529 //----------------------------------------------------------------------------
 530
 531 //----------------------------------------------------------------------------
 532 void vvSlicerManager::SetOpacity(int i, double factor)
 533 {
 534   mSlicers[i]->SetOpacity(1/factor);
 535 }
 536 //----------------------------------------------------------------------------
 537
 538
 539 //----------------------------------------------------------------------------
 540 void vvSlicerManager::UpdateViews(int current,int slicer)
 541 {
 542   double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
 543     /mSlicers[slicer]->GetInput()->GetSpacing()[0];
 544   double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
 545     /mSlicers[slicer]->GetInput()->GetSpacing()[1];
 546   double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
 547     /mSlicers[slicer]->GetInput()->GetSpacing()[2];
 548
 549   if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
 550       x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
 551       y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
 552       y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
 553       z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
 554       z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]) {
 555     mSlicers[slicer]->UpdateCursorPosition();
 556     mSlicers[slicer]->SetCursorColor(10,212,255);
 557
 558     switch (mSlicers[slicer]->GetSliceOrientation()) {
 559     case vtkImageViewer2::SLICE_ORIENTATION_XY:
 560       if (mSlicers[slicer]->GetSlice() != (int)floor(z))
 561         mSlicers[slicer]->SetSlice((int)floor(z));
 562       break;
 563
 564     case vtkImageViewer2::SLICE_ORIENTATION_XZ:
 565       if (mSlicers[slicer]->GetSlice() != (int)floor(y))
 566         mSlicers[slicer]->SetSlice((int)floor(y));
 567       break;
 568
 569     case vtkImageViewer2::SLICE_ORIENTATION_YZ:
 570       if (mSlicers[slicer]->GetSlice() != (int)floor(x))
 571         mSlicers[slicer]->SetSlice((int)floor(x));
 572       break;
 573     }
 574     mSlicers[slicer]->Render();
 575
 576     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 577       if (i != (unsigned int)slicer
 578           && mSlicers[i]->GetRenderer()->GetDraw()
 579           && mSlicers[i]->GetRenderWindow()->GetSize()[0] > 2
 580           && mSlicers[i]->GetRenderWindow()->GetSize()[1] > 2) {
 581         mSlicers[i]->SetCurrentPosition(mSlicers[slicer]->GetCurrentPosition()[0],
 582                                         mSlicers[slicer]->GetCurrentPosition()[1],
 583                                         mSlicers[slicer]->GetCurrentPosition()[2],
 584                                         mSlicers[slicer]->GetTSlice());
 585         mSlicers[i]->UpdateCursorPosition();
 586         if (current) { //do not display corner annotation if image is the one picked
 587           mSlicers[i]->SetCurrentPosition(-VTK_DOUBLE_MAX,-VTK_DOUBLE_MAX,
 588                                           -VTK_DOUBLE_MAX, mSlicers[slicer]->GetTSlice());
 589           mSlicers[i]->SetCursorColor(255,10,212);
 590         } else {
 591           mSlicers[i]->SetCursorColor(150,10,282);
 592         }
 593         switch (mSlicers[i]->GetSliceOrientation()) {
 594         case vtkImageViewer2::SLICE_ORIENTATION_XY:
 595           if (mSlicers[i]->GetSlice() != (int)floor(z))
 596             mSlicers[i]->SetSlice((int)floor(z));
 597           break;
 598
 599         case vtkImageViewer2::SLICE_ORIENTATION_XZ:
 600           if (mSlicers[i]->GetSlice() != (int)floor(y))
 601             mSlicers[i]->SetSlice((int)floor(y));
 602           break;
 603
 604         case vtkImageViewer2::SLICE_ORIENTATION_YZ:
 605           if (mSlicers[i]->GetSlice() != (int)floor(x))
 606             mSlicers[i]->SetSlice((int)floor(x));
 607           break;
 608         }
 609
 610         mSlicers[i]->Render();
 611
 612         UpdateSlice(i);
 613         UpdateTSlice(i);
 614       }
 615     }
 616   }
 617 }
 618 //----------------------------------------------------------------------------
 619
 620
 621 //----------------------------------------------------------------------------
 622 void vvSlicerManager::UpdateLinked(int slicer)
 623 {
 624   double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
 625     /mSlicers[slicer]->GetInput()->GetSpacing()[0];
 626   double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
 627     /mSlicers[slicer]->GetInput()->GetSpacing()[1];
 628   double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
 629     /mSlicers[slicer]->GetInput()->GetSpacing()[2];
 630
 631   if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
 632       x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
 633       y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
 634       y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
 635       z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
 636       z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]) {
 637     for (std::list<std::string>::const_iterator i = mLinkedId.begin(); i != mLinkedId.end(); i++) {
 638       emit UpdateLinkManager(*i, slicer,mSlicers[slicer]->GetCurrentPosition()[0],
 639                              mSlicers[slicer]->GetCurrentPosition()[1],
 640                              mSlicers[slicer]->GetCurrentPosition()[2],mSlicers[slicer]->GetTSlice());
 641     }
 642   }
 643 }
 644 //----------------------------------------------------------------------------
 645
 646 //----------------------------------------------------------------------------
 647 void vvSlicerManager::UpdateLinkedNavigation(vvSlicer *refSlicer, bool bPropagate)
 648 {
 649   vtkCamera *refCam = refSlicer->GetRenderer()->GetActiveCamera();
 650   double refPosition[3], refFocal[3];
 651   refCam->GetPosition(refPosition);
 652   refCam->GetFocalPoint(refFocal);
 653
 654   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 655     vtkCamera *camera = mSlicers[i]->GetRenderer()->GetActiveCamera();
 656     camera->SetParallelScale(refCam->GetParallelScale());
 657
 658     double position[3], focal[3];
 659     camera->GetPosition(position);
 660     camera->GetFocalPoint(focal);
 661
 662     if(refSlicer->GetSliceOrientation()==mSlicers[i]->GetSliceOrientation()) {
 663       for(int i=0; i<3; i++) {
 664         position[i] = refPosition[i];
 665         focal[i]    = refFocal[i];
 666       }
 667     }
 668
 669     if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
 670       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
 671         position[0] = refPosition[0];
 672         focal[0]    = refFocal[0];
 673       }
 674       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
 675         position[1] = refPosition[1];
 676         focal[1]    = refFocal[1];
 677       }
 678     }
 679
 680     if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
 681       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
 682         position[2] = refPosition[2];
 683         focal[2]    = refFocal[2];
 684       }
 685       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
 686         position[0] = refPosition[0];
 687         focal[0]    = refFocal[0];
 688       }
 689     }
 690
 691     if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
 692       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
 693         position[1] = refPosition[1];
 694         focal[1]    = refFocal[1];
 695       }
 696       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
 697         position[2] = refPosition[2];
 698         focal[2]    = refFocal[2];
 699       }
 700     }
 701
 702     camera->SetFocalPoint(focal);
 703     camera->SetPosition(position);
 704
 705     //Fix for bug #243
 706     mSlicers[i]->ForceUpdateDisplayExtent();
 707   }
 708
 709   Render();
 710   if(bPropagate)
 711     for (std::list<std::string>::const_iterator i = mLinkedId.begin(); i != mLinkedId.end(); i++)
 712       emit UpdateLinkedNavigation(*i, this, refSlicer);
 713 }
 714 //----------------------------------------------------------------------------
 715
 716 //----------------------------------------------------------------------------
 717 double vvSlicerManager::GetColorWindow()
 718 {
 719   if (mSlicers.size())
 720     return mSlicers[0]->GetColorWindow();
 721   return -1;
 722 }
 723 //----------------------------------------------------------------------------
 724
 725
 726 //----------------------------------------------------------------------------
 727 double vvSlicerManager::GetColorLevel()
 728 {
 729   if (mSlicers.size())
 730     return mSlicers[0]->GetColorLevel();
 731   return -1;
 732 }
 733 //----------------------------------------------------------------------------
 734
 735
 736 //----------------------------------------------------------------------------
 737 void vvSlicerManager::Render()
 738 {
 739   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 740     mSlicers[i]->Render();
 741   }
 742 }
 743 //----------------------------------------------------------------------------
 744
 745
 746 //----------------------------------------------------------------------------
 747 void vvSlicerManager::GenerateDefaultLookupTable()
 748 {
 749   SetPreset(mPreset);
 750   SetColorMap(mColorMap);
 751 }
 752 //----------------------------------------------------------------------------
 753
 754
 755 //----------------------------------------------------------------------------
 756 void vvSlicerManager::Reload()
 757 {
 758   mReader->Update(mType);
 759   mImage=mReader->GetOutput();
 760   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 761     mSlicers[i]->SetImage(mImage);
 762   }
 763 }
 764 //----------------------------------------------------------------------------
 765
 766
 767 //----------------------------------------------------------------------------
 768 void vvSlicerManager::ReloadFusion()
 769 {
 770   mFusionReader->Update();
 771   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 772     mSlicers[i]->SetFusion(mFusionReader->GetOutput());
 773     mSlicers[i]->Render();
 774   }
 775 }
 776 //----------------------------------------------------------------------------
 777
 778
 779 //----------------------------------------------------------------------------
 780 void vvSlicerManager::ReloadOverlay()
 781 {
 782   mOverlayReader->Update();
 783   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 784     mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
 785     mSlicers[i]->Render();
 786   }
 787 }
 788 //----------------------------------------------------------------------------
 789
 790
 791 //----------------------------------------------------------------------------
 792 void vvSlicerManager::ReloadVF()
 793 {
 794   mVectorReader->Update(vvImageReader::VECTORFIELD); //deletes the old images through the VF::Init() function
 795   mVF=mVectorReader->GetOutput();
 796   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 797     mSlicers[i]->SetVF(mVF);
 798     mSlicers[i]->Render();
 799   }
 800 }
 801 //----------------------------------------------------------------------------
 802
 803
 804 //----------------------------------------------------------------------------
 805 void vvSlicerManager::RemoveActor(const std::string& actor_type, int overlay_index)
 806 {
 807   if (actor_type =="overlay")
 808     mOverlayReader = NULL;
 809
 810   if (actor_type =="fusion")
 811     mFusionReader = NULL;
 812
 813   for (unsigned int i = 0; i < mSlicers.size(); i++)
 814     mSlicers[i]->RemoveActor(actor_type,overlay_index);
 815
 816   if (actor_type=="vector") {
 817     mVF=NULL;
 818     mVectorReader=NULL;
 819   }
 820 }
 821 //----------------------------------------------------------------------------
 822
 823
 824 //----------------------------------------------------------------------------
 825 void vvSlicerManager::RemoveActors()
 826 {
 827   ///This method leaks a few objects. See RemoveActor for what a
 828   ///correct implementation would look like
 829   //DS -> probably due to the reader (now released in the
 830   //RemoveActor() function. (I hope)
 831   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 832     mSlicers[i]->SetDisplayMode(0);
 833     mSlicers[i]->GetRenderer()->RemoveActor(mSlicers[i]->GetImageActor());
 834   }
 835 }
 836 //----------------------------------------------------------------------------
 837
 838
 839 //----------------------------------------------------------------------------
 840 void vvSlicerManager::UpdateInfoOnCursorPosition(int slicer)
 841 {
 842   //  int view = mSlicers[slicer]->GetSliceOrientation();
 843   //  int slice = mSlicers[slicer]->GetSlice();
 844   double x = mSlicers[slicer]->GetCursorPosition()[0];
 845   double y = mSlicers[slicer]->GetCursorPosition()[1];
 846   double z = mSlicers[slicer]->GetCursorPosition()[2];
 847   double X = (x - mSlicers[slicer]->GetInput()->GetOrigin()[0])/
 848     mSlicers[slicer]->GetInput()->GetSpacing()[0];
 849   double Y = (y - mSlicers[slicer]->GetInput()->GetOrigin()[1])/
 850     mSlicers[slicer]->GetInput()->GetSpacing()[1];
 851   double Z = (z - mSlicers[slicer]->GetInput()->GetOrigin()[2])/
 852     mSlicers[slicer]->GetInput()->GetSpacing()[2];
 853   double value = -VTK_DOUBLE_MAX;
 854   int displayVec = 0;
 855   double xVec=0, yVec=0, zVec=0, valueVec=0;
 856   int displayOver = 0;
 857   int displayFus = 0;
 858   double valueOver=0, valueFus=0;
 859   if (X >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
 860       X <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
 861       Y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
 862       Y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
 863       Z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
 864       Z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]) {
 865     value = this->GetScalarComponentAsDouble(mSlicers[slicer]->GetInput(), X, Y, Z);
 866
 867     if (mSlicers[slicer]->GetVFActor() ) {
 868       displayVec = 1;
 869       unsigned int currentTime = mSlicers[slicer]->GetTSlice();
 870       vtkImageData *vf = NULL;
 871
 872       if (mSlicers[slicer]->GetVF()->GetVTKImages().size() > currentTime)
 873         vf = mSlicers[slicer]->GetVF()->GetVTKImages()[currentTime];
 874       else
 875         vf = mSlicers[slicer]->GetVF()->GetVTKImages()[0];
 876
 877       if (vf) {
 878         double Xvf = (x - vf->GetOrigin()[0])/ vf->GetSpacing()[0];
 879         double Yvf = (y - vf->GetOrigin()[1])/ vf->GetSpacing()[1];
 880         double Zvf = (z - vf->GetOrigin()[2])/ vf->GetSpacing()[2];
 881         xVec = this->GetScalarComponentAsDouble( vf, Xvf, Yvf, Zvf, 0);
 882         yVec = this->GetScalarComponentAsDouble( vf, Xvf, Yvf, Zvf, 1);
 883         zVec = this->GetScalarComponentAsDouble( vf, Xvf, Yvf, Zvf, 2);
 884         valueVec = sqrt(xVec*xVec + yVec*yVec + zVec*zVec);
 885       }
 886     }
 887     if (mSlicers[slicer]->GetOverlayActor() ) {
 888       displayOver = 1;
 889       vtkImageData *overlay = dynamic_cast<vtkImageData*>(mSlicers[slicer]->GetOverlayMapper()->GetInput());
 890       double Xover = (x - overlay->GetOrigin()[0]) / overlay->GetSpacing()[0];
 891       double Yover = (y - overlay->GetOrigin()[1]) / overlay->GetSpacing()[1];
 892       double Zover = (z - overlay->GetOrigin()[2]) / overlay->GetSpacing()[2];
 893       valueOver = this->GetScalarComponentAsDouble(overlay, Xover, Yover, Zover);
 894     }
 895     if (mSlicers[slicer]->GetFusionActor() ) {
 896       displayFus = 1;
 897       vtkImageData *fusion = dynamic_cast<vtkImageData*>(mSlicers[slicer]->GetFusionMapper()->GetInput());
 898       double Xover = (x - fusion->GetOrigin()[0]) / fusion->GetSpacing()[0];
 899       double Yover = (y - fusion->GetOrigin()[1]) / fusion->GetSpacing()[1];
 900       double Zover = (z - fusion->GetOrigin()[2]) / fusion->GetSpacing()[2];
 901       valueFus = this->GetScalarComponentAsDouble(fusion, Xover, Yover, Zover);
 902     }
 903     emit UpdatePosition(mSlicers[slicer]->GetCursorVisibility(),
 904                         x,y,z,X,Y,Z,value);
 905     emit UpdateVector(displayVec,xVec, yVec, zVec, valueVec);
 906     emit UpdateOverlay(displayOver,valueOver,value);
 907     emit UpdateFusion(displayFus,valueFus);
 908   }
 909 }
 910 //----------------------------------------------------------------------------
 911
 912
 913 //----------------------------------------------------------------------------
 914 void vvSlicerManager::Activated()
 915 {
 916   emit currentImageChanged(mId);
 917 }
 918 //----------------------------------------------------------------------------
 919
 920
 921 //----------------------------------------------------------------------------
 922 void vvSlicerManager::Picked()
 923 {
 924   emit currentPickedImageChanged(mId);
 925 }
 926 //----------------------------------------------------------------------------
 927
 928 //----------------------------------------------------------------------------
 929 void vvSlicerManager::UpdateWindowLevel()
 930 {
 931   emit WindowLevelChanged(mSlicers[0]->GetColorWindow(),mSlicers[0]->GetColorLevel(),mPreset,mColorMap);
 932 }
 933 //----------------------------------------------------------------------------
 934
 935
 936 //----------------------------------------------------------------------------
 937 void vvSlicerManager::UpdateSlice(int slicer)
 938 {
 939   if (mPreviousSlice[slicer] == mSlicers[slicer]->GetSlice()) {
 940     //DD("============= NOTHING");
 941     return;
 942   }
 943   //std::cout << "vvSlicerManager::UpdateSlice " << slicer << " " << mSlicers[slicer]->GetSlice() << std::endl;
 944   emit UpdateSlice(slicer, mSlicers[slicer]->GetSlice());
 945   mSlicers[slicer]->Render(); // DS <-- I add this, this could/must be the only Render ...
 946   mPreviousSlice[slicer] = mSlicers[slicer]->GetSlice();
 947 }
 948 //----------------------------------------------------------------------------
 949
 950
 951 //----------------------------------------------------------------------------
 952 void vvSlicerManager::UpdateTSlice(int slicer)
 953 {
 954   int slice = mSlicers[slicer]->GetSlice();
 955   int tslice = mSlicers[slicer]->GetTSlice();
 956   if (mPreviousSlice[slicer] == slice) {
 957     if (mPreviousTSlice[slicer] == tslice) {
 958       //      DD("************** NOTHING ***********");
 959       return;
 960     }
 961   }
 962   mPreviousSlice[slicer] = slice;
 963   mPreviousTSlice[slicer] = tslice;
 964   //std::cout << "vvSlicerManager::UpdateTSlice " << slicer << " " << tslice << std::endl;
 965   emit UpdateTSlice(slicer, tslice);
 966 }
 967 //----------------------------------------------------------------------------
 968
 969
 970 //----------------------------------------------------------------------------
 971 void vvSlicerManager::UpdateSliceRange(int slicer)
 972 {
 973   emit UpdateSliceRange(slicer,
 974                         mSlicers[slicer]->GetSliceRange()[0], mSlicers[slicer]->GetSliceRange()[1],
 975                         0,mSlicers[slicer]->GetTMax());
 976 }
 977 //----------------------------------------------------------------------------
 978
 979
 980 //----------------------------------------------------------------------------
 981 void vvSlicerManager::SetPreset(int preset)
 982 {
 983   //vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
 984   double window = mSlicers[0]->GetColorWindow();
 985   double level = mSlicers[0]->GetColorLevel();
 986
 987   std::string component_type=mImage->GetScalarTypeAsITKString();
 988   switch (preset) {
 989   case 0:
 990     double range[2];
 991     mImage->GetScalarRange(range);
 992     window = range[1] - range[0];
 993     level = (range[1] + range[0])* 0.5;
 994     break;
 995   case 1:
 996     window = 2000;
 997     level = 0;
 998     break;
 999   case 2:
1000     window = 400;
1001     level = 20;
1002     break;
1003   case 3:
1004     window = 1500;
1005     level = -500;
1006     break;
1007   case 4:
1008     window = 1000;
1009     level = 500;
1010     break;
1011   case 5:
1012     window = 1;
1013     level = 0.5;
1014     break;
1015   case 6:
1016     break;
1017   case 7:
1018     window=1.;
1019     level=0.;
1020     break;
1021   }
1022   mPreset = preset;
1023   this->SetColorWindow(window);
1024   this->SetColorLevel(level);
1025
1026   //if (LUT)
1027   //{
1028   //    SetColorMap(-1);
1029   //}
1030 }
1031 //----------------------------------------------------------------------------
1032
1033
1034 //----------------------------------------------------------------------------
1035 void vvSlicerManager::SetLocalColorWindowing(const int slicer)
1036 {
1037   double min, max;
1038   this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max);
1039   this->SetColorWindow(max-min);
1040   this->SetColorLevel(0.5*(min+max));
1041   this->UpdateWindowLevel();
1042   this->Render();
1043 }
1044 //----------------------------------------------------------------------------
1045
1046
1047 //----------------------------------------------------------------------------
1048 void vvSlicerManager::SetColorMap(int colormap)
1049 {
1050   double range[2];
1051   range[0] = mSlicers[0]->GetInput()->GetScalarRange()[0];
1052   range[1] = mSlicers[0]->GetInput()->GetScalarRange()[1];
1053
1054   double window = mSlicers[0]->GetWindowLevel()->GetWindow();
1055   double level = mSlicers[0]->GetWindowLevel()->GetLevel();
1056
1057   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
1058   switch (colormap) {
1059   case -1:
1060     break;
1061   case 0:
1062     LUT = NULL;
1063     break;
1064   case 1:
1065     if (LUT == NULL)
1066       LUT = vtkLookupTable::New();
1067     LUT->SetValueRange(0,1);
1068     LUT->SetSaturationRange(1,1);
1069     LUT->SetHueRange(0,0.18);
1070     break;
1071   case 2:
1072     if (LUT == NULL)
1073       LUT = vtkLookupTable::New();
1074     LUT->SetValueRange(0,1);
1075     LUT->SetSaturationRange(1,1);
1076     LUT->SetHueRange(0.4,0.80);
1077     break;
1078   case 3:
1079     if (LUT == NULL)
1080       LUT = vtkLookupTable::New();
1081     LUT->SetValueRange(0,1);
1082     LUT->SetSaturationRange(1,1);
1083     LUT->SetHueRange(0,1);
1084     break;
1085   case 5:
1086     if (LUT == NULL)
1087       LUT = vtkLookupTable::New();
1088     LUT->SetValueRange(0.,1);
1089     LUT->SetSaturationRange(1,1);
1090     LUT->SetHueRange(1,0.1);
1091     //LUT->SetRampToLinear();
1092     break;
1093   }
1094   if (LUT) {
1095     LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
1096     LUT->Build();
1097   }
1098   vtkWindowLevelLookupTable* fusLUT = NULL;
1099   if (mSlicers[0]->GetFusion()) { // && mFusionColorMap != 0) {
1100     fusLUT = vtkWindowLevelLookupTable::New();
1101     double fusRange [2];
1102     fusRange[0] = mFusionLevel - mFusionWindow/2;
1103     fusRange[1] = mFusionLevel + mFusionWindow/2;
1104     double* frange = mFusionReader->GetOutput()->GetVTKImages()[0]->GetScalarRange();
1105     fusLUT->SetTableRange(frange);
1106     fusLUT->SetValueRange(1,1);
1107     fusLUT->SetSaturationRange(1,1);
1108     fusLUT->SetAlphaRange(1, 1);
1109     fusLUT->SetWindow(mFusionWindow);
1110     fusLUT->SetLevel(mFusionLevel);
1111     if (mFusionColorMap == 1)
1112       fusLUT->SetHueRange(0,0.18);
1113     else if (mFusionColorMap == 2)
1114       fusLUT->SetHueRange(0.4,0.80);
1115     else if (mFusionColorMap == 3)
1116     {
1117       fusLUT->SetHueRange(0.666, 0);
1118       fusLUT->SetValueRange(0.5, 1);
1119     }
1120     else if (mFusionColorMap == 4)
1121       fusLUT->SetHueRange(0,1);
1122     else if (mFusionColorMap == 0)
1123     {
1124       fusLUT->SetValueRange(0,1);
1125       fusLUT->SetSaturationRange(0,0);
1126     }
1127
1128     fusLUT->ForceBuild();
1129
1130     // set color table transparancy
1131     double alpha_range_end = frange[0] + (double)mFusionThresOpacity*(frange[1] - frange[0])/100;
1132     for (double i = frange[0]; i < alpha_range_end; i++) {
1133       double v[4];
1134       vtkIdType index = fusLUT->GetIndex(i);
1135       fusLUT->GetTableValue(index, v);
1136       v[3] = 0;
1137       fusLUT->SetTableValue(index, v);
1138     }
1139   }
1140   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
1141
1142     if (mSlicers[i]->GetOverlay()) {
1143       vtkLookupTable* supLUT = vtkLookupTable::New();
1144       supLUT->SetTableRange(range[0],range[1]);
1145       supLUT->SetValueRange(1,1);
1146       supLUT->SetSaturationRange(1,1);
1147       supLUT->SetHueRange(double(mOverlayColor)/360,double(mOverlayColor)/360);
1148       supLUT->Build();
1149       vtkLookupTable* invLUT = vtkLookupTable::New();
1150       invLUT->SetTableRange(range[0],range[1]);
1151       invLUT->SetValueRange(1,1);
1152       invLUT->SetSaturationRange(1,1);
1153       invLUT->SetHueRange(double((mOverlayColor+180)%360)/360,double((mOverlayColor+180)%360)/360);
1154       invLUT->Build();
1155       dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
1156         ->SetWindowLevelMode(true);
1157       mSlicers[i]->GetWindowLevel()->SetLookupTable(supLUT);
1158       mSlicers[i]->GetOverlayMapper()->SetLookupTable(invLUT);
1159       invLUT->Delete();
1160       supLUT->Delete();
1161     } else if (mSlicers[i]->GetOverlay()) {
1162       //dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
1163       //->SetWindowLevelMode(false);
1164       mSlicers[i]->GetWindowLevel()->SetLookupTable(LUT);
1165     } else {
1166       mSlicers[i]->GetWindowLevel()->SetLookupTable(LUT);
1167     }
1168
1169     if (mSlicers[i]->GetFusion()) {
1170       mSlicers[i]->GetFusionActor()->SetOpacity(double(mFusionOpacity)/100);
1171       mSlicers[i]->GetFusionMapper()->SetLookupTable(fusLUT);
1172     }
1173   }
1174   if (fusLUT)
1175     fusLUT->Delete();
1176   if (colormap >= 0)
1177     mColorMap = colormap;
1178 }
1179 //----------------------------------------------------------------------------
1180
1181
1182 //----------------------------------------------------------------------------
1183 vvLandmarks* vvSlicerManager::GetLandmarks()
1184 {
1185   if (mLandmarks == NULL) {
1186     mLandmarks = new vvLandmarks(mSlicers[0]->GetTMax()+1);
1187     for (unsigned int i = 0; i < mSlicers.size(); i++)
1188       mSlicers[i]->SetLandmarks(mLandmarks);
1189   }
1190   return mLandmarks;
1191 }
1192 //----------------------------------------------------------------------------
1193
1194
1195 //----------------------------------------------------------------------------
1196 void vvSlicerManager::AddLandmark(float x,float y,float z,float t)
1197 {
1198   double x_index = (x - mSlicers[0]->GetInput()->GetOrigin()[0])/mSlicers[0]->GetInput()->GetSpacing()[0];
1199   double y_index = (y - mSlicers[0]->GetInput()->GetOrigin()[1])/mSlicers[0]->GetInput()->GetSpacing()[1];
1200   double z_index = (z - mSlicers[0]->GetInput()->GetOrigin()[2])/mSlicers[0]->GetInput()->GetSpacing()[2];
1201   if (x_index >= mSlicers[0]->GetInput()->GetWholeExtent()[0] &&
1202       x_index <= mSlicers[0]->GetInput()->GetWholeExtent()[1] &&
1203       y_index >= mSlicers[0]->GetInput()->GetWholeExtent()[2] &&
1204       y_index <= mSlicers[0]->GetInput()->GetWholeExtent()[3] &&
1205       z_index >= mSlicers[0]->GetInput()->GetWholeExtent()[4] &&
1206       z_index <= mSlicers[0]->GetInput()->GetWholeExtent()[5]) {
1207     double value = this->GetScalarComponentAsDouble(mSlicers[0]->GetInput(), x_index, y_index, z_index);
1208     this->GetLandmarks()->AddLandmark(x,y,z,t,value);
1209     emit LandmarkAdded();
1210   }
1211 }
1212 //----------------------------------------------------------------------------
1213
1214 //----------------------------------------------------------------------------
1215 void vvSlicerManager::PrevImage(int slicer)
1216 {
1217   emit ChangeImageWithIndexOffset(this, slicer, -1);
1218 }
1219 //----------------------------------------------------------------------------
1220
1221 //----------------------------------------------------------------------------
1222 void vvSlicerManager::NextImage(int slicer)
1223 {
1224   emit ChangeImageWithIndexOffset(this, slicer,  1);
1225 }
1226 //----------------------------------------------------------------------------
1227
1228 //----------------------------------------------------------------------------
1229 void vvSlicerManager::VerticalSliderHasChanged(int slicer, int slice)
1230 {
1231   emit AVerticalSliderHasChanged(slicer, slice);
1232 }
1233
1234 //----------------------------------------------------------------------------
1235
1236 //----------------------------------------------------------------------------
1237 double vvSlicerManager::GetScalarComponentAsDouble(vtkImageData *image, double X, double Y, double Z, int component)
1238 {
1239   int ix, iy, iz;
1240   return mSlicers[0]->GetScalarComponentAsDouble(image, X, Y, Z, ix, iy, iz, component);
1241 }
1242 //----------------------------------------------------------------------------