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 = 30;
  61   mFusionThresOpacity = 1;
  62   mFusionColorMap = 3;
  63   mFusionWindow = 1000;
  64   mFusionLevel = 1000;
  65   mFusionShowLegend = true;
  66
  67   mLandmarks = NULL;
  68   mLinkedId.resize(0);
  69
  70   for ( int i = 0; i < numberOfSlicers; i++)
  71     mSlicers.push_back(vtkSmartPointer<vvSlicer>::New());
  72
  73   mPreviousSlice.resize(numberOfSlicers);
  74   mPreviousTSlice.resize(numberOfSlicers);
  75   mSlicingPreset = 0;
  76 }
  77 //----------------------------------------------------------------------------
  78
  79
  80 //----------------------------------------------------------------------------
  81 vvSlicerManager::~vvSlicerManager()
  82 {
  83   if (mLandmarks)
  84     delete mLandmarks;
  85 }
  86 //----------------------------------------------------------------------------
  87
  88
  89 //------------------------------------------------------------------------------
  90 void vvSlicerManager::SetFilename(std::string filename, int number)
  91 {
  92   mFileName = filename;
  93   mFileName = vtksys::SystemTools::GetFilenameName(mFileName);
  94   mBaseFileName = vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(mFileName));
  95   mBaseFileNameNumber = number;
  96
  97   mFileName = mBaseFileName;
  98   if (number != 0) {
  99     mFileName.append("_"+clitk::toString(number));
 100   }
 101   mFileName.append(vtksys::SystemTools::GetFilenameLastExtension(filename));
 102
 103   for(unsigned int i=0; i<mSlicers.size(); i++) {
 104     mSlicers[i]->SetFileName(mFileName);//vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
 105   }
 106
 107 }
 108 //------------------------------------------------------------------------------
 109
 110
 111 //----------------------------------------------------------------------------
 112 void vvSlicerManager::AddContour(vvMesh::Pointer contour,bool propagate)
 113 {
 114   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 115     mSlicers[i]->AddContour(contour,propagate);
 116   }
 117 }
 118 //----------------------------------------------------------------------------
 119
 120
 121 //----------------------------------------------------------------------------
 122 void vvSlicerManager::ToggleContourSuperposition()
 123 {
 124   for ( unsigned int i = 0; i < mSlicers.size(); i++)
 125     mSlicers[i]->ToggleContourSuperposition();
 126 }
 127 //----------------------------------------------------------------------------
 128
 129 //----------------------------------------------------------------------------
 130 std::string vvSlicerManager::GetListOfAbsoluteFilePathInOneString(const std::string &actorType)
 131 {
 132   vvImageReader *reader = NULL;
 133
 134   if(actorType=="image")
 135     reader = mReader;
 136   else if(actorType=="overlay")
 137     reader = mOverlayReader;
 138   else if(actorType=="fusion")
 139     reader = mFusionReader;
 140   else if(actorType=="vector")
 141     reader = mVectorReader;
 142
 143   if(!reader)
 144     return "";
 145
 146   std::string list;
 147   for(unsigned int i=0; i<reader->GetInputFilenames().size(); i++){
 148     QFileInfo fileinfo(reader->GetInputFilenames()[i].c_str()); //Do not show the path
 149     if(i)
 150       list += '\n';
 151     list += fileinfo.absoluteFilePath().toStdString();
 152   }
 153   return list;
 154 }
 155 //----------------------------------------------------------------------------
 156
 157
 158 //----------------------------------------------------------------------------
 159 bool vvSlicerManager::SetImage(std::string filename, vvImageReader::LoadedImageType type, int n, unsigned int slice)
 160 {
 161   mType = type;
 162   if (mReader.IsNull())
 163     mReader = vvImageReader::New();
 164   std::vector<std::string> filenames;
 165   filenames.push_back(filename);
 166   mReader->SetInputFilenames(filenames);
 167   mReader->SetSlice(slice); // Only used for SLICED type
 168   mReader->Update(type);
 169
 170   SetFilename(filename, n);
 171   //  mFileName = vtksys::SystemTools::GetFilenameName(mFileName);
 172   //mBaseFileName = vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(mFileName));
 173   //mBaseFileNameNumber = n;
 174
 175   if (mReader->GetLastError().size() == 0) {
 176     mImage=mReader->GetOutput();
 177     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 178       mSlicers[i]->SetFileName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
 179       mSlicers[i]->SetImage(mReader->GetOutput());
 180     }
 181   } else {
 182     mLastError = mReader->GetLastError();
 183     return false;
 184   }
 185   // if (n!=0) {
 186   //   mFileName.append("_"+clitk::toString(n));
 187   // }
 188   return true;
 189 }
 190 //----------------------------------------------------------------------------
 191
 192
 193 //----------------------------------------------------------------------------
 194 void vvSlicerManager::SetImage(vvImage::Pointer image)
 195 {
 196   mImage=image;
 197   for (unsigned int i = 0; i < mSlicers.size(); i++) {
 198     mSlicers[i]->SetImage(image);
 199   }
 200 }
 201 //----------------------------------------------------------------------------
 202
 203
 204 //----------------------------------------------------------------------------
 205 bool vvSlicerManager::SetImages(std::vector<std::string> filenames, vvImageReader::LoadedImageType type, int n)
 206 {
 207   mType = type;
 208   std::string fileWithoutExtension = vtksys::SystemTools::GetFilenameWithoutExtension(filenames[0]);
 209   if (type == vvImageReader::DICOM)
 210     fileWithoutExtension += "_dicom";
 211   else if (type == vvImageReader::MERGED)
 212     fileWithoutExtension += "_merged";
 213   else if (type == vvImageReader::MERGEDWITHTIME)
 214     fileWithoutExtension += "_merged_wt";
 215
 216   mFileName = vtksys::SystemTools::GetFilenameName(mFileName);
 217   mFileName = fileWithoutExtension + vtksys::SystemTools::GetFilenameExtension(filenames[0]);
 218   if (mReader.IsNull())
 219     mReader = vvImageReader::New();
 220   mReader->SetInputFilenames(filenames);
 221   mReader->Update(type);
 222
 223   mBaseFileName = vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(mFileName));
 224   mBaseFileNameNumber = n;
 225
 226   if (mReader->GetLastError().size() == 0) {
 227     mImage=mReader->GetOutput();
 228     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 229       mSlicers[i]->SetFileName(fileWithoutExtension);
 230       mSlicers[i]->SetImage(mReader->GetOutput());
 231     }
 232   } else {
 233     mLastError = mReader->GetLastError();
 234     return false;
 235   }
 236   if (n!=0) {
 237     mFileName.append("_"+clitk::toString(n));
 238   }
 239   return true;
 240 }
 241 //----------------------------------------------------------------------------
 242
 243
 244 //----------------------------------------------------------------------------
 245 bool vvSlicerManager::SetOverlay(std::string filename,int dim, std::string component)
 246 {
 247   mOverlayName = filename;
 248   mOverlayComponent = component;
 249   if (dim > mImage->GetNumberOfDimensions()) {
 250     mLastError = " Overlay dimension cannot be greater then reference image!";
 251     return false;
 252   }
 253   if (mOverlayReader.IsNull())
 254     mOverlayReader = vvImageReader::New();
 255   std::vector<std::string> filenames;
 256   filenames.push_back(filename);
 257   mOverlayReader->SetInputFilenames(filenames);
 258   mOverlayReader->Update(mImage->GetNumberOfDimensions(),component.c_str(),mType);
 259   if (mOverlayReader->GetLastError().size() == 0) {
 260     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 261       mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
 262     }
 263   } else {
 264     mLastError = mOverlayReader->GetLastError();
 265     return false;
 266   }
 267   return true;
 268 }
 269 //----------------------------------------------------------------------------
 270
 271
 272 //----------------------------------------------------------------------------
 273 bool vvSlicerManager::SetFusion(std::string filename,int dim, std::string component)
 274 {
 275   mFusionName = filename;
 276   mFusionComponent = component;
 277   if (dim > mImage->GetNumberOfDimensions()) {
 278     mLastError = " Overlay dimension cannot be greater then reference image!";
 279     return false;
 280   }
 281   if (mFusionReader.IsNull())
 282     mFusionReader = vvImageReader::New();
 283   std::vector<std::string> filenames;
 284   filenames.push_back(filename);
 285   mFusionReader->SetInputFilenames(filenames);
 286   mFusionReader->Update(mImage->GetNumberOfDimensions(),component.c_str(),mType);
 287   if (mFusionReader->GetLastError().size() == 0) {
 288     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 289       mSlicers[i]->SetFusion(mFusionReader->GetOutput());
 290     }
 291   } else {
 292     mLastError = mFusionReader->GetLastError();
 293     return false;
 294   }
 295   double *fusRange = mFusionReader->GetOutput()->GetVTKImages()[0]->GetScalarRange();
 296   mFusionLevel = (fusRange[0]+fusRange[1])/2;
 297   mFusionWindow = fusRange[1]-fusRange[0];
 298
 299   return true;
 300 }
 301 //----------------------------------------------------------------------------
 302
 303
 304 //----------------------------------------------------------------------------
 305 bool vvSlicerManager::SetVF(std::string filename)
 306 {
 307   if (mVectorReader.IsNull())
 308     mVectorReader = vvImageReader::New();
 309   mVectorReader->SetInputFilename(filename);
 310
 311   if (mType == vvImageReader::IMAGEWITHTIME)
 312     mVectorReader->Update(vvImageReader::VECTORFIELDWITHTIME);
 313   else
 314     mVectorReader->Update(vvImageReader::VECTORFIELD);
 315   if (mVectorReader->GetLastError().size() != 0) {
 316     mLastError = mVectorReader->GetLastError();
 317     return false;
 318   } else
 319     return SetVF(mVectorReader->GetOutput(),filename);
 320 }
 321 //----------------------------------------------------------------------------
 322
 323
 324 //----------------------------------------------------------------------------
 325 bool vvSlicerManager::SetVF(vvImage::Pointer vf,std::string filename)
 326 {
 327   if (vf->GetNumberOfDimensions() > mImage->GetNumberOfDimensions()) {
 328     mLastError = "Sorry, vector field dimension cannot be greater then reference image.";
 329     return false;
 330   }
 331   if (vf->GetNumberOfDimensions() == 4) {
 332     if (vf->GetSpacing()[3] != mImage->GetSpacing()[3]) {
 333       mLastError = "Sorry, vector field time spacing cannot be different from time spacing of the reference image.";
 334       return false;
 335     }
 336     if (vf->GetOrigin()[3] != mImage->GetOrigin()[3]) {
 337       mLastError = "Sorry, vector field time origin cannot be different from time origin of the reference image.";
 338       return false;
 339     }
 340   }
 341   mVF=vf;
 342   mVFName = filename;
 343   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 344     mSlicers[i]->SetVF(vf);
 345   }
 346   return true;
 347 }
 348 //----------------------------------------------------------------------------
 349
 350
 351 //----------------------------------------------------------------------------
 352 vvSlicer* vvSlicerManager::GetSlicer(int i)
 353 {
 354   return mSlicers[i];
 355 }
 356 //----------------------------------------------------------------------------
 357
 358
 359 //----------------------------------------------------------------------------
 360 void vvSlicerManager::UpdateSlicer(int num, bool state)
 361 {
 362   if (mSlicers[num]->GetImage())
 363     mSlicers[num]->SetDisplayMode(state);
 364 }
 365 //----------------------------------------------------------------------------
 366
 367
 368 //----------------------------------------------------------------------------
 369 void vvSlicerManager::SetSlicerWindow(int i, vtkRenderWindow* RW)
 370 {
 371   mSlicers[i]->SetRenderWindow(i,RW);
 372 }
 373 //----------------------------------------------------------------------------
 374
 375
 376 //----------------------------------------------------------------------------
 377 void vvSlicerManager::SetInteractorStyleNavigator(int i, vtkInteractorStyle* style)
 378 {
 379   vvSlicerManagerCommand *smc = vvSlicerManagerCommand::New();
 380   smc->SM = this;
 381   smc->SetSlicerNumber(i);
 382   mSlicers[i]->GetRenderWindow()->GetInteractor()->SetInteractorStyle(style);
 383
 384   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 385     GetInteractorStyle()->AddObserver(vtkCommand::KeyPressEvent, smc);
 386   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 387     GetInteractorStyle()->AddObserver(vtkCommand::WindowLevelEvent, smc);
 388   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 389     GetInteractorStyle()->AddObserver(vtkCommand::EndWindowLevelEvent, smc);
 390   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 391     GetInteractorStyle()->AddObserver(vtkCommand::StartWindowLevelEvent, smc);
 392   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 393     GetInteractorStyle()->AddObserver(vtkCommand::PickEvent, smc);
 394   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 395     GetInteractorStyle()->AddObserver(vtkCommand::StartPickEvent, smc);
 396   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 397     GetInteractorStyle()->AddObserver(vtkCommand::LeaveEvent, smc);
 398   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 399     GetInteractorStyle()->AddObserver(vtkCommand::UserEvent, smc);
 400   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 401     GetInteractorStyle()->AddObserver(vtkCommand::MouseWheelForwardEvent, smc);
 402   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 403     GetInteractorStyle()->AddObserver(vtkCommand::MouseWheelBackwardEvent, smc);
 404   // mSlicers[i]->GetRenderWindow()->GetInteractor()->
 405   //   GetInteractorStyle()->AddObserver(vtkCommand::LeftButtonReleaseEvent, smc);
 406   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 407     GetInteractorStyle()->AddObserver(vtkCommand::EndPickEvent, smc);
 408   mSlicers[i]->GetRenderWindow()->GetInteractor()->
 409     GetInteractorStyle()->AddObserver(vtkCommand::EndInteractionEvent, smc);
 410   smc->Delete();
 411 }
 412 //----------------------------------------------------------------------------
 413
 414
 415 //----------------------------------------------------------------------------
 416 void vvSlicerManager::LeftButtonReleaseEvent(int slicer)
 417 {
 418   emit LeftButtonReleaseSignal(slicer);
 419 }
 420 //----------------------------------------------------------------------------
 421
 422 //----------------------------------------------------------------------------
 423 void vvSlicerManager::SetSliceOrientation(int slicer, int orientation)
 424 {
 425   mSlicers[slicer]->SetSliceOrientation(orientation);
 426   emit UpdateOrientation(slicer, orientation);
 427 }
 428 //----------------------------------------------------------------------------
 429
 430 //----------------------------------------------------------------------------
 431 void vvSlicerManager::SetTSlice(int slice)
 432 {
 433   if (slice < 0)
 434     slice = 0;
 435   else if (slice > mSlicers[0]->GetTMax())
 436     slice = mSlicers[0]->GetTMax();
 437   if (mLandmarks)
 438     mLandmarks->SetTime(slice);
 439   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 440     if (slice != mSlicers[i]->GetTSlice()) {
 441       mSlicers[i]->SetTSlice(slice);
 442         UpdateTSlice(i);
 443     }
 444   }
 445 }
 446 //----------------------------------------------------------------------------
 447
 448
 449 //----------------------------------------------------------------------------
 450 void vvSlicerManager::SetNextTSlice(int originating_slicer)
 451 {
 452   int t = mSlicers[0]->GetTSlice();
 453   t++;
 454   if (t > mSlicers[0]->GetTMax())
 455     t = 0;
 456   //std::cout << "vvSlicerManager::SetNextTSlice" << std::endl;
 457   emit UpdateTSlice(originating_slicer,t);
 458 }
 459 //----------------------------------------------------------------------------
 460
 461
 462 //----------------------------------------------------------------------------
 463 void vvSlicerManager::SetPreviousTSlice(int originating_slicer)
 464 {
 465   int t = mSlicers[0]->GetTSlice();
 466   t--;
 467   if (t < 0)
 468     t = mSlicers[0]->GetTMax();
 469   //std::cout << "vvSlicerManager::SetPreviousTSlice" << std::endl;
 470   emit UpdateTSlice(originating_slicer,t);
 471 }
 472 //----------------------------------------------------------------------------
 473
 474
 475 //----------------------------------------------------------------------------
 476 void vvSlicerManager::ToggleInterpolation()
 477 {
 478   bool interpolate=!(mSlicers[0]->GetImageActor()->GetInterpolate());
 479   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 480     mSlicers[i]->GetImageActor()->SetInterpolate(interpolate);
 481     if (mSlicers[i]->GetOverlayActor())
 482       mSlicers[i]->GetOverlayActor()->SetInterpolate(interpolate);
 483     if (mSlicers[i]->GetFusionActor())
 484       mSlicers[i]->GetFusionActor()->SetInterpolate(interpolate);
 485   }
 486 }
 487 //----------------------------------------------------------------------------
 488
 489
 490 //----------------------------------------------------------------------------
 491 void vvSlicerManager::SetTSliceInSlicer(int tslice, int slicer)
 492 {
 493   if (tslice < 0)
 494     tslice = 0;
 495   else if (tslice > mSlicers[slicer]->GetTMax())
 496     tslice = mSlicers[slicer]->GetTMax();
 497   if (mLandmarks)
 498     mLandmarks->SetTime(tslice);
 499
 500   if (mSlicers[slicer]->GetTSlice() == tslice) return;
 501
 502   mSlicers[slicer]->SetTSlice(tslice);
 503   UpdateTSlice(slicer);
 504 }
 505 //----------------------------------------------------------------------------
 506
 507
 508 //----------------------------------------------------------------------------
 509 void vvSlicerManager::SetColorWindow(double s)
 510 {
 511   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 512     mSlicers[i]->SetColorWindow(s);
 513   }
 514 }
 515 //----------------------------------------------------------------------------
 516
 517 //----------------------------------------------------------------------------
 518 void vvSlicerManager::SetColorLevel(double s)
 519 {
 520   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 521     mSlicers[i]->SetColorLevel(s);
 522   }
 523 }
 524 //----------------------------------------------------------------------------
 525
 526 //----------------------------------------------------------------------------
 527 void vvSlicerManager::SetOverlayColorWindow(double s)
 528 {
 529   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 530     mSlicers[i]->SetOverlayColorWindow(s);
 531   }
 532 }
 533 //----------------------------------------------------------------------------
 534
 535 //----------------------------------------------------------------------------
 536 void vvSlicerManager::SetOverlayColorLevel(double s)
 537 {
 538   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 539     mSlicers[i]->SetOverlayColorLevel(s);
 540   }
 541 }
 542 //----------------------------------------------------------------------------
 543
 544 //----------------------------------------------------------------------------
 545 void vvSlicerManager::SetLinkOverlayWindowLevel(bool b)
 546 {
 547   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 548     mSlicers[i]->SetLinkOverlayWindowLevel(b);
 549   }
 550 }
 551 //----------------------------------------------------------------------------
 552
 553 //----------------------------------------------------------------------------
 554 void vvSlicerManager::SetCursorAndCornerAnnotationVisibility(int s)
 555 {
 556   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 557     mSlicers[i]->SetCursorVisibility(s);
 558     mSlicers[i]->SetCornerAnnotationVisibility(s);
 559   }
 560 }
 561 //----------------------------------------------------------------------------
 562
 563 //----------------------------------------------------------------------------
 564 void vvSlicerManager::SetOpacity(int i, double factor)
 565 {
 566   mSlicers[i]->SetOpacity(1/factor);
 567 }
 568 //----------------------------------------------------------------------------
 569
 570
 571 //----------------------------------------------------------------------------
 572 void vvSlicerManager::UpdateViews(int current,int slicer)
 573 {
 574   double p[3], pt[3];
 575   p[0] = mSlicers[slicer]->GetCurrentPosition()[0];
 576   p[1] = mSlicers[slicer]->GetCurrentPosition()[1];
 577   p[2] = mSlicers[slicer]->GetCurrentPosition()[2];
 578   mSlicers[slicer]->GetSlicingTransform()->GetInverse()->TransformPoint(p, pt);
 579
 580   double x = (pt[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
 581     /mSlicers[slicer]->GetInput()->GetSpacing()[0];
 582   double y = (pt[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
 583     /mSlicers[slicer]->GetInput()->GetSpacing()[1];
 584   double z = (pt[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
 585     /mSlicers[slicer]->GetInput()->GetSpacing()[2];
 586
 587   if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0]-0.5 &&
 588       x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1]+0.5 &&
 589       y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2]-0.5 &&
 590       y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3]+0.5 &&
 591       z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4]-0.5 &&
 592       z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]+0.5) {
 593     mSlicers[slicer]->UpdateCursorPosition();
 594     mSlicers[slicer]->SetCursorColor(10,212,255);
 595
 596     switch (mSlicers[slicer]->GetSliceOrientation()) {
 597     case vtkImageViewer2::SLICE_ORIENTATION_XY:
 598       if (mSlicers[slicer]->GetSlice() != (int)lrint(z))
 599         mSlicers[slicer]->SetSlice((int)lrint(z));
 600       break;
 601
 602     case vtkImageViewer2::SLICE_ORIENTATION_XZ:
 603       if (mSlicers[slicer]->GetSlice() != (int)lrint(y))
 604         mSlicers[slicer]->SetSlice((int)lrint(y));
 605       break;
 606
 607     case vtkImageViewer2::SLICE_ORIENTATION_YZ:
 608       if (mSlicers[slicer]->GetSlice() != (int)lrint(x))
 609         mSlicers[slicer]->SetSlice((int)lrint(x));
 610       break;
 611     }
 612     mSlicers[slicer]->Render();
 613
 614     for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 615       if (i != (unsigned int)slicer
 616           && mSlicers[i]->GetRenderer()->GetDraw()
 617           && mSlicers[i]->GetRenderWindow()->GetSize()[0] > 2
 618           && mSlicers[i]->GetRenderWindow()->GetSize()[1] > 2) {
 619         mSlicers[i]->SetCurrentPosition(p[0], p[1], p[2], mSlicers[slicer]->GetTSlice());
 620         mSlicers[i]->UpdateCursorPosition();
 621         if (current) { //do not display corner annotation if image is the one picked
 622           mSlicers[i]->SetCurrentPosition(-VTK_DOUBLE_MAX,-VTK_DOUBLE_MAX,
 623                                           -VTK_DOUBLE_MAX, mSlicers[slicer]->GetTSlice());
 624           mSlicers[i]->SetCursorColor(255,10,212);
 625         } else {
 626           mSlicers[i]->SetCursorColor(150,10,282);
 627         }
 628         switch (mSlicers[i]->GetSliceOrientation()) {
 629         case vtkImageViewer2::SLICE_ORIENTATION_XY:
 630           if (mSlicers[i]->GetSlice() != (int)floor(z))
 631             mSlicers[i]->SetSlice((int)floor(z));
 632           break;
 633
 634         case vtkImageViewer2::SLICE_ORIENTATION_XZ:
 635           if (mSlicers[i]->GetSlice() != (int)floor(y))
 636             mSlicers[i]->SetSlice((int)floor(y));
 637           break;
 638
 639         case vtkImageViewer2::SLICE_ORIENTATION_YZ:
 640           if (mSlicers[i]->GetSlice() != (int)floor(x))
 641             mSlicers[i]->SetSlice((int)floor(x));
 642           break;
 643         }
 644
 645         mSlicers[i]->Render();
 646
 647         UpdateSlice(i);
 648         UpdateTSlice(i);
 649       }
 650     }
 651   }
 652 }
 653 //----------------------------------------------------------------------------
 654
 655
 656 //----------------------------------------------------------------------------
 657 void vvSlicerManager::UpdateLinked(int slicer)
 658 {
 659   double p[3], pt[3];
 660   p[0] = mSlicers[slicer]->GetCurrentPosition()[0];
 661   p[1] = mSlicers[slicer]->GetCurrentPosition()[1];
 662   p[2] = mSlicers[slicer]->GetCurrentPosition()[2];
 663   mSlicers[slicer]->GetSlicingTransform()->GetInverse()->TransformPoint(p, pt);
 664   double x = (pt[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0]) / mSlicers[slicer]->GetInput()->GetSpacing()[0];
 665   double y = (pt[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1]) / mSlicers[slicer]->GetInput()->GetSpacing()[1];
 666   double z = (pt[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2]) / mSlicers[slicer]->GetInput()->GetSpacing()[2];
 667
 668   if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0]-0.5 &&
 669       x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1]+0.5 &&
 670       y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2]-0.5 &&
 671       y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3]+0.5 &&
 672       z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4]-0.5 &&
 673       z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]+0.5) {
 674     for (std::list<std::string>::const_iterator i = mLinkedId.begin(); i != mLinkedId.end(); i++) {
 675       emit UpdateLinkManager(*i, slicer,mSlicers[slicer]->GetCurrentPosition()[0],
 676                              mSlicers[slicer]->GetCurrentPosition()[1],
 677                              mSlicers[slicer]->GetCurrentPosition()[2],mSlicers[slicer]->GetTSlice());
 678     }
 679   }
 680 }
 681 //----------------------------------------------------------------------------
 682
 683 //----------------------------------------------------------------------------
 684 void vvSlicerManager::UpdateLinkedNavigation(vvSlicer *refSlicer, bool bPropagate)
 685 {
 686   vtkCamera *refCam = refSlicer->GetRenderer()->GetActiveCamera();
 687   double refPosition[3], refFocal[3];
 688   refCam->GetPosition(refPosition);
 689   refCam->GetFocalPoint(refFocal);
 690
 691   refSlicer->GetSlicingTransform()->TransformPoint(refPosition);
 692   refSlicer->GetSlicingTransform()->TransformPoint(refFocal);
 693   mSlicers[0]->GetSlicingTransform()->GetInverse()->TransformPoint(refPosition);
 694   mSlicers[0]->GetSlicingTransform()->GetInverse()->TransformPoint(refFocal);
 695
 696   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 697     vtkCamera *camera = mSlicers[i]->GetRenderer()->GetActiveCamera();
 698     camera->SetParallelScale(refCam->GetParallelScale());
 699
 700     double position[3], focal[3];
 701     camera->GetPosition(position);
 702     camera->GetFocalPoint(focal);
 703
 704     if(refSlicer->GetSliceOrientation()==mSlicers[i]->GetSliceOrientation()) {
 705       for(int i=0; i<3; i++) {
 706         position[i] = refPosition[i];
 707         focal[i]    = refFocal[i];
 708       }
 709     }
 710
 711     if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
 712       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
 713         position[0] = refPosition[0];
 714         focal[0]    = refFocal[0];
 715       }
 716       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
 717         position[1] = refPosition[1];
 718         focal[1]    = refFocal[1];
 719       }
 720     }
 721
 722     if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
 723       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
 724         position[2] = refPosition[2];
 725         focal[2]    = refFocal[2];
 726       }
 727       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
 728         position[0] = refPosition[0];
 729         focal[0]    = refFocal[0];
 730       }
 731     }
 732
 733     if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
 734       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
 735         position[1] = refPosition[1];
 736         focal[1]    = refFocal[1];
 737       }
 738       if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
 739         position[2] = refPosition[2];
 740         focal[2]    = refFocal[2];
 741       }
 742     }
 743 DD(camera->GetFocalPoint()[0] << ' ' << camera->GetFocalPoint()[1] << ' ' << camera->GetFocalPoint()[2])
 744     camera->SetFocalPoint(focal);
 745 DD(camera->GetFocalPoint()[0] << ' ' << camera->GetFocalPoint()[1] << ' ' << camera->GetFocalPoint()[2])
 746 DD(camera->GetPosition()[0] << ' ' << camera->GetPosition()[1] << ' ' << camera->GetPosition()[2])
 747     camera->SetPosition(position);
 748 DD(camera->GetPosition()[0] << ' ' << camera->GetPosition()[1] << ' ' << camera->GetPosition()[2])
 749
 750     //Fix for bug #243
 751     mSlicers[i]->ForceUpdateDisplayExtent();
 752   }
 753
 754   Render();
 755   if(bPropagate)
 756     for (std::list<std::string>::const_iterator i = mLinkedId.begin(); i != mLinkedId.end(); i++)
 757       emit UpdateLinkedNavigation(*i, this, refSlicer);
 758 }
 759 //----------------------------------------------------------------------------
 760
 761 //----------------------------------------------------------------------------
 762 double vvSlicerManager::GetColorWindow()
 763 {
 764   if (mSlicers.size())
 765     return mSlicers[0]->GetColorWindow();
 766   return -1;
 767 }
 768 //----------------------------------------------------------------------------
 769
 770
 771 //----------------------------------------------------------------------------
 772 double vvSlicerManager::GetColorLevel()
 773 {
 774   if (mSlicers.size())
 775     return mSlicers[0]->GetColorLevel();
 776   return -1;
 777 }
 778 //----------------------------------------------------------------------------
 779
 780 //----------------------------------------------------------------------------
 781 double vvSlicerManager::GetOverlayColorWindow() const
 782 {
 783   if (mSlicers.size())
 784     return mSlicers[0]->GetOverlayColorWindow();
 785   return -1;
 786 }
 787 //----------------------------------------------------------------------------
 788
 789 //----------------------------------------------------------------------------
 790 double vvSlicerManager::GetOverlayColorLevel() const
 791 {
 792   if (mSlicers.size())
 793     return mSlicers[0]->GetOverlayColorLevel();
 794   return -1;
 795 }
 796 //----------------------------------------------------------------------------
 797
 798 //----------------------------------------------------------------------------
 799 bool vvSlicerManager::GetLinkOverlayWindowLevel() const
 800 {
 801   if (mSlicers.size())
 802     return mSlicers[0]->GetLinkOverlayWindowLevel();
 803   return -1;
 804 }
 805 //----------------------------------------------------------------------------
 806
 807 //------------------------------------------------------------------------------
 808 void vvSlicerManager::ResetTransformationToIdentity(const std::string actorType)
 809 {
 810   if(actorType == "image")
 811     this->GetImage()->GetTransform()->Identity();
 812   else if(actorType == "overlay")
 813     this->GetSlicer(0)->GetOverlay()->GetTransform()->Identity();
 814   else if(actorType == "fusion")
 815     this->GetSlicer(0)->GetFusion()->GetTransform()->Identity();
 816   else if(actorType == "vf")
 817     this->GetVF()->GetTransform()->Identity();
 818   else
 819     return;
 820
 821   for(int i=0; i< this->GetNumberOfSlicers(); i++){
 822     this->GetSlicer(i)->ForceUpdateDisplayExtent();
 823     this->GetSlicer(i)->ResetCamera();
 824     this->GetSlicer(i)->Render();
 825   }
 826 }
 827 //------------------------------------------------------------------------------
 828
 829 //----------------------------------------------------------------------------
 830 void vvSlicerManager::Render()
 831 {
 832   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 833     mSlicers[i]->Render();
 834   }
 835 }
 836 //----------------------------------------------------------------------------
 837
 838
 839 //----------------------------------------------------------------------------
 840 void vvSlicerManager::GenerateDefaultLookupTable()
 841 {
 842   SetPreset(mPreset);
 843   SetColorMap(mColorMap);
 844 }
 845 //----------------------------------------------------------------------------
 846
 847
 848 //----------------------------------------------------------------------------
 849 void vvSlicerManager::Reload()
 850 {
 851   mReader->Update(mType);
 852   mImage=mReader->GetOutput();
 853   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 854     mSlicers[i]->SetImage(mImage);
 855   }
 856 }
 857 //----------------------------------------------------------------------------
 858
 859
 860 //----------------------------------------------------------------------------
 861 void vvSlicerManager::ReloadFusion()
 862 {
 863   mFusionReader->Update(mImage->GetNumberOfDimensions(),mFusionComponent.c_str(),mType);
 864
 865   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 866     mSlicers[i]->SetFusion(mFusionReader->GetOutput());
 867     mSlicers[i]->Render();
 868   }
 869 }
 870 //----------------------------------------------------------------------------
 871
 872
 873 //----------------------------------------------------------------------------
 874 void vvSlicerManager::ReloadOverlay()
 875 {
 876   mOverlayReader->Update(mImage->GetNumberOfDimensions(),mOverlayComponent.c_str(),mType);
 877   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 878     mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
 879     mSlicers[i]->Render();
 880   }
 881 }
 882 //----------------------------------------------------------------------------
 883
 884
 885 //----------------------------------------------------------------------------
 886 void vvSlicerManager::ReloadVF()
 887 {
 888   mVectorReader->Update(vvImageReader::VECTORFIELD); //deletes the old images through the VF::Init() function
 889   mVF=mVectorReader->GetOutput();
 890   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 891     mSlicers[i]->SetVF(mVF);
 892     mSlicers[i]->Render();
 893   }
 894 }
 895 //----------------------------------------------------------------------------
 896
 897
 898 //----------------------------------------------------------------------------
 899 void vvSlicerManager::RemoveActor(const std::string& actor_type, int overlay_index)
 900 {
 901   if (actor_type =="overlay")
 902     mOverlayReader = NULL;
 903
 904   if (actor_type =="fusion")
 905     mFusionReader = NULL;
 906
 907   for (unsigned int i = 0; i < mSlicers.size(); i++)
 908     mSlicers[i]->RemoveActor(actor_type,overlay_index);
 909
 910   if (actor_type=="vector") {
 911     mVF=NULL;
 912     mVectorReader=NULL;
 913   }
 914 }
 915 //----------------------------------------------------------------------------
 916
 917
 918 //----------------------------------------------------------------------------
 919 void vvSlicerManager::RemoveActors()
 920 {
 921   ///This method leaks a few objects. See RemoveActor for what a
 922   ///correct implementation would look like
 923   //DS -> probably due to the reader (now released in the
 924   //RemoveActor() function. (I hope)
 925   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
 926     mSlicers[i]->SetDisplayMode(0);
 927     mSlicers[i]->GetRenderer()->RemoveActor(mSlicers[i]->GetImageActor());
 928   }
 929 }
 930 //----------------------------------------------------------------------------
 931
 932
 933 //----------------------------------------------------------------------------
 934 void vvSlicerManager::UpdateInfoOnCursorPosition(int slicer)
 935 {
 936   //  int view = mSlicers[slicer]->GetSliceOrientation();
 937   //  int slice = mSlicers[slicer]->GetSlice();
 938   double x = mSlicers[slicer]->GetCursorPosition()[0];
 939   double y = mSlicers[slicer]->GetCursorPosition()[1];
 940   double z = mSlicers[slicer]->GetCursorPosition()[2];
 941   double X = (x - mSlicers[slicer]->GetInput()->GetOrigin()[0])/
 942     mSlicers[slicer]->GetInput()->GetSpacing()[0];
 943   double Y = (y - mSlicers[slicer]->GetInput()->GetOrigin()[1])/
 944     mSlicers[slicer]->GetInput()->GetSpacing()[1];
 945   double Z = (z - mSlicers[slicer]->GetInput()->GetOrigin()[2])/
 946     mSlicers[slicer]->GetInput()->GetSpacing()[2];
 947   double value = -VTK_DOUBLE_MAX;
 948   int displayVec = 0;
 949   double xVec=0, yVec=0, zVec=0, valueVec=0;
 950   int displayOver = 0;
 951   int displayFus = 0;
 952   double valueOver=0, valueFus=0;
 953   if (X >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
 954       X <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
 955       Y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
 956       Y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
 957       Z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
 958       Z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]) {
 959     value = this->GetScalarComponentAsDouble(mSlicers[slicer]->GetInput(), X, Y, Z);
 960
 961     if (mSlicers[slicer]->GetVFActor() ) {
 962       displayVec = 1;
 963       unsigned int currentTime = mSlicers[slicer]->GetTSlice();
 964       vtkImageData *vf = NULL;
 965
 966       if (mSlicers[slicer]->GetVF()->GetVTKImages().size() > currentTime)
 967         vf = mSlicers[slicer]->GetVF()->GetVTKImages()[currentTime];
 968       else
 969         vf = mSlicers[slicer]->GetVF()->GetVTKImages()[0];
 970
 971       if (vf) {
 972         double Xvf = (x - vf->GetOrigin()[0])/ vf->GetSpacing()[0];
 973         double Yvf = (y - vf->GetOrigin()[1])/ vf->GetSpacing()[1];
 974         double Zvf = (z - vf->GetOrigin()[2])/ vf->GetSpacing()[2];
 975         xVec = this->GetScalarComponentAsDouble( vf, Xvf, Yvf, Zvf, 0);
 976         yVec = this->GetScalarComponentAsDouble( vf, Xvf, Yvf, Zvf, 1);
 977         zVec = this->GetScalarComponentAsDouble( vf, Xvf, Yvf, Zvf, 2);
 978         valueVec = sqrt(xVec*xVec + yVec*yVec + zVec*zVec);
 979       }
 980     }
 981     if (mSlicers[slicer]->GetOverlayActor() ) {
 982       displayOver = 1;
 983       vtkImageData *overlay = dynamic_cast<vtkImageData*>(mSlicers[slicer]->GetOverlayMapper()->GetInput());
 984       double Xover = (x - overlay->GetOrigin()[0]) / overlay->GetSpacing()[0];
 985       double Yover = (y - overlay->GetOrigin()[1]) / overlay->GetSpacing()[1];
 986       double Zover = (z - overlay->GetOrigin()[2]) / overlay->GetSpacing()[2];
 987       valueOver = this->GetScalarComponentAsDouble(overlay, Xover, Yover, Zover);
 988     }
 989     if (mSlicers[slicer]->GetFusionActor() ) {
 990       displayFus = 1;
 991       vtkImageData *fusion = dynamic_cast<vtkImageData*>(mSlicers[slicer]->GetFusionMapper()->GetInput());
 992       double Xover = (x - fusion->GetOrigin()[0]) / fusion->GetSpacing()[0];
 993       double Yover = (y - fusion->GetOrigin()[1]) / fusion->GetSpacing()[1];
 994       double Zover = (z - fusion->GetOrigin()[2]) / fusion->GetSpacing()[2];
 995       valueFus = this->GetScalarComponentAsDouble(fusion, Xover, Yover, Zover);
 996     }
 997     emit UpdatePosition(mSlicers[slicer]->GetCursorVisibility(),
 998                         x,y,z,X,Y,Z,value);
 999     emit UpdateVector(displayVec,xVec, yVec, zVec, valueVec);
1000     emit UpdateOverlay(displayOver,valueOver,value);
1001     emit UpdateFusion(displayFus,valueFus);
1002   }
1003 }
1004 //----------------------------------------------------------------------------
1005
1006
1007 //----------------------------------------------------------------------------
1008 void vvSlicerManager::Activated()
1009 {
1010   emit currentImageChanged(mId);
1011 }
1012 //----------------------------------------------------------------------------
1013
1014
1015 //----------------------------------------------------------------------------
1016 void vvSlicerManager::Picked()
1017 {
1018   emit currentPickedImageChanged(mId);
1019 }
1020 //----------------------------------------------------------------------------
1021
1022
1023 //----------------------------------------------------------------------------
1024 void vvSlicerManager::UpdateWindowLevel()
1025 {
1026   emit WindowLevelChanged();
1027 }
1028 //----------------------------------------------------------------------------
1029
1030
1031 //----------------------------------------------------------------------------
1032 void vvSlicerManager::UpdateSlice(int slicer)
1033 {
1034   if (mPreviousSlice[slicer] == mSlicers[slicer]->GetSlice()) {
1035     //DD("============= NOTHING");
1036     return;
1037   }
1038   //std::cout << "vvSlicerManager::UpdateSlice " << slicer << " " << mSlicers[slicer]->GetSlice() << std::endl;
1039   emit UpdateSlice(slicer, mSlicers[slicer]->GetSlice());
1040   mSlicers[slicer]->Render(); // DS <-- I add this, this could/must be the only Render ...
1041   mPreviousSlice[slicer] = mSlicers[slicer]->GetSlice();
1042 }
1043 //----------------------------------------------------------------------------
1044
1045
1046 //----------------------------------------------------------------------------
1047 void vvSlicerManager::UpdateTSlice(int slicer)
1048 {
1049   int slice = mSlicers[slicer]->GetSlice();
1050   int tslice = mSlicers[slicer]->GetTSlice();
1051   if (mPreviousSlice[slicer] == slice) {
1052     if (mPreviousTSlice[slicer] == tslice) {
1053       //      DD("************** NOTHING ***********");
1054       return;
1055     }
1056   }
1057   mPreviousSlice[slicer] = slice;
1058   mPreviousTSlice[slicer] = tslice;
1059   //std::cout << "vvSlicerManager::UpdateTSlice " << slicer << " " << tslice << std::endl;
1060   emit UpdateTSlice(slicer, tslice);
1061 }
1062 //----------------------------------------------------------------------------
1063
1064
1065 //----------------------------------------------------------------------------
1066 void vvSlicerManager::UpdateSliceRange(int slicer)
1067 {
1068   emit UpdateSliceRange(slicer,
1069                         mSlicers[slicer]->GetSliceRange()[0], mSlicers[slicer]->GetSliceRange()[1],
1070                         0,mSlicers[slicer]->GetTMax());
1071 }
1072 //----------------------------------------------------------------------------
1073
1074 //----------------------------------------------------------------------------
1075 void vvSlicerManager::SetSlicingPreset(int preset)
1076 {
1077   if(mSlicingPreset==preset)
1078     return;
1079
1080   vtkMatrix4x4 *mImageTransformInverse = vtkMatrix4x4::New();
1081   mImage->GetTransform()->GetInverse(mImageTransformInverse);
1082
1083   for(int i=0; i< this->GetNumberOfSlicers(); i++){
1084     switch(preset)
1085     {
1086     case 0: // World
1087       this->GetSlicer(i)->GetSlicingTransform()->Identity();
1088       break;
1089     case 1: // Voxels
1090       this->GetSlicer(i)->GetSlicingTransform()->SetMatrix(mImageTransformInverse);
1091       break;
1092     default:
1093       mImageTransformInverse->Delete();
1094       return;
1095     }
1096     this->GetSlicer(i)->ForceUpdateDisplayExtent();
1097     this->GetSlicer(i)->ResetCamera();
1098     this->GetSlicer(i)->Render();
1099   }
1100
1101   mImageTransformInverse->Delete();
1102   mSlicingPreset = preset;
1103 }
1104
1105 //----------------------------------------------------------------------------
1106
1107 //----------------------------------------------------------------------------
1108 void vvSlicerManager::SetPreset(int preset)
1109 {
1110   //vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
1111   double window = mSlicers[0]->GetColorWindow();
1112   double level = mSlicers[0]->GetColorLevel();
1113
1114   std::string component_type=mImage->GetScalarTypeAsITKString();
1115   switch (preset) {
1116   case 0:
1117     double range[2];
1118     mImage->GetScalarRange(range);
1119     window = range[1] - range[0];
1120     level = (range[1] + range[0])* 0.5;
1121     break;
1122   case 1:
1123     window = 2000;
1124     level = 0;
1125     break;
1126   case 2:
1127     window = 400;
1128     level = 20;
1129     break;
1130   case 3:
1131     window = 1500;
1132     level = -500;
1133     break;
1134   case 4:
1135     window = 1000;
1136     level = 500;
1137     break;
1138   case 5:
1139     window = 1;
1140     level = 0.5;
1141     break;
1142   case 6:
1143     break;
1144   case 7:
1145     window=1.;
1146     level=0.;
1147     break;
1148   }
1149   mPreset = preset;
1150   this->SetColorWindow(window);
1151   this->SetColorLevel(level);
1152
1153   //if (LUT)
1154   //{
1155   //    SetColorMap(-1);
1156   //}
1157 }
1158 //----------------------------------------------------------------------------
1159
1160
1161 //----------------------------------------------------------------------------
1162 void vvSlicerManager::SetLocalColorWindowing(const int slicer, const bool bCtrlKey)
1163 {
1164   double min, max;
1165   int t = this->mSlicers[slicer]->GetTSlice();
1166   if(bCtrlKey && this->mSlicers[slicer]->GetFusion()) {
1167     this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max,
1168                                                           this->mSlicers[slicer]->GetFusion()->GetVTKImages()[t],
1169                                                           this->mSlicers[slicer]->GetFusion()->GetTransform());
1170     this->SetFusionWindow(max-min);
1171     this->SetFusionLevel(0.5*(min+max));
1172     this->SetColorMap(mColorMap);
1173   }
1174   else if(bCtrlKey && this->mSlicers[slicer]->GetOverlay()) {
1175     this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max,
1176                                                           this->mSlicers[slicer]->GetOverlay()->GetVTKImages()[t],
1177                                                           this->mSlicers[slicer]->GetOverlay()->GetTransform());
1178     if(this->mSlicers[slicer]->GetLinkOverlayWindowLevel()){
1179       this->SetColorWindow(max-min);
1180       this->SetColorLevel(0.5*(min+max));
1181     } else {
1182       this->SetOverlayColorWindow(max-min);
1183       this->SetOverlayColorLevel(0.5*(min+max));
1184     }
1185   }
1186   else {
1187     this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max,
1188                                                           this->mSlicers[slicer]->GetImage()->GetVTKImages()[t],
1189                                                           this->mSlicers[slicer]->GetConcatenatedTransform());
1190     this->SetColorWindow(max-min);
1191     this->SetColorLevel(0.5*(min+max));
1192     this->SetPreset(6);
1193   }
1194   this->Render();
1195   this->UpdateWindowLevel();
1196 }
1197 //----------------------------------------------------------------------------
1198
1199
1200 //----------------------------------------------------------------------------
1201 void vvSlicerManager::SetColorMap(int colormap)
1202 {
1203   double range[2];
1204   range[0] = mSlicers[0]->GetInput()->GetScalarRange()[0];
1205   range[1] = mSlicers[0]->GetInput()->GetScalarRange()[1];
1206
1207   double window = mSlicers[0]->GetWindowLevel()->GetWindow();
1208   double level = mSlicers[0]->GetWindowLevel()->GetLevel();
1209
1210   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
1211   switch (colormap) {
1212   case -1:
1213     break;
1214   case 0:
1215     LUT = NULL;
1216     break;
1217   case 1:
1218     if (LUT == NULL)
1219       LUT = vtkLookupTable::New();
1220     LUT->SetValueRange(0,1);
1221     LUT->SetSaturationRange(1,1);
1222     LUT->SetHueRange(0,0.18);
1223     break;
1224   case 2:
1225     if (LUT == NULL)
1226       LUT = vtkLookupTable::New();
1227     LUT->SetValueRange(0,1);
1228     LUT->SetSaturationRange(1,1);
1229     LUT->SetHueRange(0.4,0.80);
1230     break;
1231   case 3:
1232     if (LUT == NULL)
1233       LUT = vtkLookupTable::New();
1234     LUT->SetValueRange(0.5,1);
1235     LUT->SetSaturationRange(1,1);
1236     LUT->SetHueRange(0.666,0);
1237     break;
1238   case 4:
1239     if (LUT == NULL)
1240       LUT = vtkLookupTable::New();
1241     LUT->SetValueRange(1,1);
1242     LUT->SetSaturationRange(1,1);
1243     LUT->SetHueRange(0,1);
1244     LUT->SetAlphaRange(1, 1);
1245     break;
1246   case 5:
1247     if (LUT == NULL)
1248       LUT = vtkLookupTable::New();
1249     LUT->SetValueRange(1,1);
1250     LUT->SetSaturationRange(1,1);
1251     LUT->SetHueRange(1,0.1);
1252     //LUT->SetRampToLinear();
1253     break;
1254   }
1255   if (LUT) {
1256     LUT->SetTableRange(level-fabs(window)/2,level+fabs(window)/2);
1257     LUT->Build();
1258   }
1259   vtkWindowLevelLookupTable* fusLUT = NULL;
1260   if (mSlicers[0]->GetFusion()) { // && mFusionColorMap >= 0) {
1261     fusLUT = vtkWindowLevelLookupTable::New();
1262     double fusRange [2];
1263     fusRange[0] = mFusionLevel - mFusionWindow/2;
1264     fusRange[1] = mFusionLevel + mFusionWindow/2;
1265     double* frange = mFusionReader->GetOutput()->GetVTKImages()[0]->GetScalarRange();
1266     fusLUT->SetTableRange(frange);
1267     fusLUT->SetValueRange(1,1);
1268     fusLUT->SetSaturationRange(1,1);
1269     fusLUT->SetAlphaRange(1, 1);
1270     fusLUT->SetWindow(mFusionWindow);
1271     fusLUT->SetLevel(mFusionLevel);
1272     if (mFusionColorMap == 1)
1273       fusLUT->SetHueRange(0,0.18);
1274     else if (mFusionColorMap == 2)
1275       fusLUT->SetHueRange(0.4,0.80);
1276     else if (mFusionColorMap == 3)
1277     {
1278       fusLUT->SetHueRange(0.666, 0);
1279       fusLUT->SetValueRange(0.5, 1);
1280     }
1281     else if (mFusionColorMap == 4)
1282       fusLUT->SetHueRange(0,1);
1283     else if (mFusionColorMap <= 0)
1284     {
1285       fusLUT->SetValueRange(0,1);
1286       fusLUT->SetSaturationRange(0,0);
1287     }
1288
1289     fusLUT->ForceBuild();
1290     double v[4];
1291
1292     // set color table transparency
1293     //double alpha_range=(double)mFusionThresOpacity/10;
1294     double range_end = fusRange[0] + (double)mFusionThresOpacity*(fusRange[1] - fusRange[0])/100;
1295     double curr_value = fusRange[0];
1296     int nvalues = fusLUT->GetNumberOfTableValues();
1297     for (double i = 0; curr_value < range_end; i++) {
1298       fusLUT->GetTableValue(i, v);
1299       v[3] = 0;
1300       //if (curr_value >= -alpha_range && curr_value <= alpha_range) v[3] = pow(fabs(curr_value/alpha_range),2);
1301       //else v[3] = 1;
1302       fusLUT->SetTableValue(i, v);
1303       curr_value += (fusRange[1] - fusRange[0])/nvalues;
1304     }
1305   }
1306   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
1307
1308     if (mSlicers[i]->GetOverlay()) {
1309       vtkLookupTable* supLUT = vtkLookupTable::New();
1310       supLUT->SetTableRange(range[0],range[1]);
1311       supLUT->SetValueRange(1,1);
1312       supLUT->SetSaturationRange(1,1);
1313       supLUT->SetHueRange(double(mOverlayColor)/360,double(mOverlayColor)/360);
1314       supLUT->Build();
1315       vtkLookupTable* invLUT = vtkLookupTable::New();
1316       invLUT->SetTableRange(range[0],range[1]);
1317       invLUT->SetValueRange(1,1);
1318       invLUT->SetSaturationRange(1,1);
1319       invLUT->SetHueRange(double((mOverlayColor+180)%360)/360,double((mOverlayColor+180)%360)/360);
1320       invLUT->Build();
1321       dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
1322         ->SetWindowLevelMode(true);
1323       mSlicers[i]->GetWindowLevel()->SetLookupTable(supLUT);
1324       mSlicers[i]->GetOverlayMapper()->SetLookupTable(invLUT);
1325       invLUT->Delete();
1326       supLUT->Delete();
1327     } else if (mSlicers[i]->GetOverlay()) {
1328       //dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
1329       //->SetWindowLevelMode(false);
1330       mSlicers[i]->GetWindowLevel()->SetLookupTable(LUT);
1331     } else {
1332       mSlicers[i]->GetWindowLevel()->SetLookupTable(LUT);
1333     }
1334
1335     if (mSlicers[i]->GetFusion()) {
1336       mSlicers[i]->ShowFusionLegend(mFusionShowLegend);
1337       mSlicers[i]->GetFusionMapper()->SetLookupTable(fusLUT);
1338       mSlicers[i]->GetFusionActor()->SetOpacity(double(mFusionOpacity)/100);
1339     }
1340   }
1341   if (fusLUT)
1342     fusLUT->Delete();
1343   if (colormap >= 0)
1344     mColorMap = colormap;
1345 }
1346 //----------------------------------------------------------------------------
1347
1348
1349 //----------------------------------------------------------------------------
1350 vvLandmarks* vvSlicerManager::GetLandmarks()
1351 {
1352   if (mLandmarks == NULL) {
1353     mLandmarks = new vvLandmarks(mSlicers[0]->GetTMax()+1);
1354     for (unsigned int i = 0; i < mSlicers.size(); i++)
1355       mSlicers[i]->SetLandmarks(mLandmarks);
1356   }
1357   return mLandmarks;
1358 }
1359 //----------------------------------------------------------------------------
1360
1361
1362 //----------------------------------------------------------------------------
1363 void vvSlicerManager::AddLandmark(float x,float y,float z,float t)
1364 {
1365   double x_index = (x - mSlicers[0]->GetInput()->GetOrigin()[0])/mSlicers[0]->GetInput()->GetSpacing()[0];
1366   double y_index = (y - mSlicers[0]->GetInput()->GetOrigin()[1])/mSlicers[0]->GetInput()->GetSpacing()[1];
1367   double z_index = (z - mSlicers[0]->GetInput()->GetOrigin()[2])/mSlicers[0]->GetInput()->GetSpacing()[2];
1368   if (x_index >= mSlicers[0]->GetInput()->GetWholeExtent()[0] &&
1369       x_index <= mSlicers[0]->GetInput()->GetWholeExtent()[1] &&
1370       y_index >= mSlicers[0]->GetInput()->GetWholeExtent()[2] &&
1371       y_index <= mSlicers[0]->GetInput()->GetWholeExtent()[3] &&
1372       z_index >= mSlicers[0]->GetInput()->GetWholeExtent()[4] &&
1373       z_index <= mSlicers[0]->GetInput()->GetWholeExtent()[5]) {
1374     double value = this->GetScalarComponentAsDouble(mSlicers[0]->GetInput(), x_index, y_index, z_index);
1375     this->GetLandmarks()->AddLandmark(x,y,z,t,value);
1376     emit LandmarkAdded();
1377   }
1378 }
1379 //----------------------------------------------------------------------------
1380
1381 //----------------------------------------------------------------------------
1382 void vvSlicerManager::PrevImage(int slicer)
1383 {
1384   emit ChangeImageWithIndexOffset(this, slicer, -1);
1385 }
1386 //----------------------------------------------------------------------------
1387
1388 //----------------------------------------------------------------------------
1389 void vvSlicerManager::NextImage(int slicer)
1390 {
1391   emit ChangeImageWithIndexOffset(this, slicer,  1);
1392 }
1393 //----------------------------------------------------------------------------
1394
1395 //----------------------------------------------------------------------------
1396 void vvSlicerManager::VerticalSliderHasChanged(int slicer, int slice)
1397 {
1398   emit AVerticalSliderHasChanged(slicer, slice);
1399 }
1400
1401 //----------------------------------------------------------------------------
1402
1403 //----------------------------------------------------------------------------
1404 double vvSlicerManager::GetScalarComponentAsDouble(vtkImageData *image, double X, double Y, double Z, int component)
1405 {
1406   int ix, iy, iz;
1407   return mSlicers[0]->GetScalarComponentAsDouble(image, X, Y, Z, ix, iy, iz, component);
1408 }
1409 //----------------------------------------------------------------------------