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