vv/vvMainWindow.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://www.centreleonberard.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 <algorithm>
  20 #include <QMessageBox>
  21 #include <QInputDialog>
  22 #include <QTimer>
  23 #include "QTreePushButton.h"
  24 #include <QUrl>
  25 #include <QSettings>
  26
  27 // VV include
  28 #include "vvMainWindow.h"
  29 #include "vvHelpDialog.h"
  30 #include "vvRegisterForm.h"
  31 #include "vvDocumentation.h"
  32 #include "vvProgressDialog.h"
  33 #include "vvQDicomSeriesSelector.h"
  34 #include "vvSlicerManager.h"
  35 #include "clitkImageCommon.h"
  36 #include "vvSlicer.h"
  37 #include "vvInteractorStyleNavigator.h"
  38 #include "vvImageWriter.h"
  39 #include "vvSegmentationDialog.h"
  40 #include "vvSurfaceViewerDialog.h"
  41 #include "vvDeformationDialog.h"
  42 #include "vvImageWarp.h"
  43 #include "vvUtils.h"
  44 #include "vvMidPosition.h"
  45 #include "vvMesh.h"
  46 #include "vvStructSelector.h"
  47 #include "vvMeshReader.h"
  48 #include "clitkConfiguration.h"
  49
  50 // ITK include
  51 #include <itkImage.h>
  52 #include <itkImageFileReader.h>
  53 #include <itkByteSwapper.h>
  54 #include <itkCommand.h>
  55 #include <itkNumericSeriesFileNames.h>
  56
  57 // VTK include
  58 #include <vtkImageData.h>
  59 #include <vtkImageActor.h>
  60 #include <vtkCornerAnnotation.h>
  61 #include <vtkRenderWindow.h>
  62 #include <vtkRenderWindowInteractor.h>
  63 #include <vtkRenderer.h>
  64 #include <vtkRendererCollection.h>
  65 #include <vtkWindowToImageFilter.h>
  66 #include <vtkBMPWriter.h>
  67 #include <vtkTIFFWriter.h>
  68 #include <vtkPNMWriter.h>
  69 #include <vtkPNGWriter.h>
  70 #include <vtkJPEGWriter.h>
  71 #include <vtkFFMPEGWriter.h>
  72 #ifdef VTK_USE_MPEG2_ENCODER
  73   #include <vtkMPEG2Writer.h>
  74 #endif
  75 #include <vtkMatrix4x4.h>
  76 #include <vtkTransform.h>
  77
  78 // Standard includes
  79 #include <iostream>
  80 #include <sstream>
  81 #include <iomanip>
  82
  83 #define COLUMN_TREE 0
  84 #define COLUMN_UL_VIEW 1
  85 #define COLUMN_UR_VIEW 2
  86 #define COLUMN_DL_VIEW 3
  87 #define COLUMN_DR_VIEW 4
  88 #define COLUMN_CLOSE_IMAGE 5
  89 #define COLUMN_RELOAD_IMAGE 6
  90 #define COLUMN_IMAGE_NAME 7
  91
  92 #define EXTENSIONS "Images ( *.bmp *.png *.jpeg *.jpg *.tif *.mhd *.mha *.hdr *.vox *.his *.xdr *.SCAN )"
  93
  94 /*Data Tree values
  95   0,Qt::UserRole full filename
  96   1,Qt::CheckStateRole checkbutton UL View
  97   1,Qt::UserRole overlay, fusion or vector
  98   2,Qt::CheckStateRole checkbutton UR View
  99   3,Qt::CheckStateRole checkbutton DL View
 100   4,Qt::CheckStateRole checkbutton DR View
 101   5,0  short filename
 102   5,Qt::UserRole mSlicerManager id*/
 103
 104 //------------------------------------------------------------------------------
 105 vvMainWindow::vvMainWindow():vvMainWindowBase()
 106 {
 107   setupUi(this); // this sets up the GUI
 108
 109   mInputPathName = "";
 110   mMenuTools = menuTools;
 111   //  mMenuSegmentation = menuSegmentation;
 112   mContextMenu = &contextMenu;
 113   mMenuExperimentalTools = menuExperimental;
 114   mMainWidget = this;
 115   mCurrentTime = -1;
 116   mCurrentSelectedImageId = "";
 117   mCurrentPickedImageId = "";
 118   mCurrentPickedImageIndex = 0;
 119
 120   //Init the contextMenu
 121   this->setContextMenuPolicy(Qt::CustomContextMenu);
 122   contextActions.resize(0);
 123   QAction* actionOpen_new_image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/fileopen.png")),
 124                                   tr("O&pen new Image"));
 125   actionOpen_new_image->setShortcut(QKeySequence(tr("Ctrl+O")));
 126   connect(actionOpen_new_image,SIGNAL(triggered()),this,SLOT(OpenImages()));
 127   contextActions.push_back(actionOpen_new_image);
 128   contextMenu.addSeparator();
 129
 130   QAction* actionClose_Image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/exit.png")),
 131                                tr("Close Current Image"));
 132   connect(actionClose_Image,SIGNAL(triggered()),this,SLOT(CloseImage()));
 133   contextActions.push_back(actionClose_Image);
 134
 135   QAction* actionReload_image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")),
 136                                 tr("Reload Current Image"));
 137   connect(actionReload_image,SIGNAL(triggered()),this,SLOT(ReloadImage()));
 138   contextActions.push_back(actionReload_image);
 139
 140   QAction* actionSave_image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/filesave.png")),
 141                               tr("Save Current Image"));
 142   connect(actionSave_image,SIGNAL(triggered()),this,SLOT(SaveAs()));
 143   contextActions.push_back(actionSave_image);
 144
 145   contextMenu.addSeparator();
 146
 147   contextMenu.addAction(actionAdd_VF_to_current_Image);
 148   contextActions.push_back(actionAdd_VF_to_current_Image);
 149
 150   QAction* actionAdd_Overlay_to_current_Image = menuOverlay->addAction(QIcon(QString::fromUtf8(":/common/icons/GPSup.png")),
 151       tr("Add overlay image to current image"));
 152   contextMenu.addAction(actionAdd_Overlay_to_current_Image);
 153   contextActions.push_back(actionAdd_Overlay_to_current_Image);
 154
 155   connect(actionAdd_Overlay_to_current_Image,SIGNAL(triggered()), this,SLOT(SelectOverlayImage()));
 156
 157   contextMenu.addAction(actionAdd_fusion_image);
 158   connect(actionAdd_fusion_image,SIGNAL(triggered()),this,SLOT(SelectFusionImage()));
 159   contextActions.push_back(actionAdd_fusion_image);
 160
 161   // TRIAL DS
 162   /*
 163   QMenu * m = new QMenu(menubar);
 164   m->setTitle("TOTO");
 165   //  m->setObjectName(QString::fromUtf8("TOTOTO"));
 166   contextMenu.addMenu(m);
 167   QAction * a = m->addAction(QIcon(QString::fromUtf8(":/common/icons/GPSup.png")),
 168                      tr("BIDON"));
 169   QAction * b = m->addAction(QIcon(QString::fromUtf8(":/common/icons/GPSup.png")),
 170                      tr("BIDON2"));
 171   m->addAction(a);
 172   m->addAction(b);
 173   connect(a,SIGNAL(triggered()),this,SLOT(AddFusionImage()));
 174   */
 175
 176   //init the DataTree
 177   mSlicerManagers.resize(0);
 178
 179   QStringList header;
 180   header.append("");
 181   header.append("TL");
 182   header.append("TR");
 183   header.append("BL");
 184   header.append("BR");
 185   header.append("");
 186   header.append("");
 187   header.append("Name");
 188
 189   DataTree->setHeaderLabels(header);
 190   DataTree->resizeColumnToContents(COLUMN_TREE);
 191   DataTree->resizeColumnToContents(COLUMN_UL_VIEW);
 192   DataTree->resizeColumnToContents(COLUMN_UR_VIEW);
 193   DataTree->resizeColumnToContents(COLUMN_DL_VIEW);
 194   DataTree->resizeColumnToContents(COLUMN_DR_VIEW);
 195   DataTree->resizeColumnToContents(COLUMN_CLOSE_IMAGE);
 196   DataTree->resizeColumnToContents(COLUMN_RELOAD_IMAGE);
 197   DataTree->resizeColumnToContents(COLUMN_IMAGE_NAME);
 198
 199   viewMode = 1;
 200   documentation = new vvDocumentation();
 201   help_dialog = new vvHelpDialog();
 202   dicomSeriesSelector = new vvDicomSeriesSelector();
 203
 204   inverseButton->setEnabled(0);
 205   actionAdd_Overlay_to_current_Image->setEnabled(0);
 206   actionSave_As->setEnabled(0);
 207   actionAdd_VF_to_current_Image->setEnabled(0);
 208   actionAdd_fusion_image->setEnabled(0);
 209
 210   //init the sliders
 211   verticalSliders.push_back(NOVerticalSlider);
 212   verticalSliders.push_back(NEVerticalSlider);
 213   verticalSliders.push_back(SOVerticalSlider);
 214   verticalSliders.push_back(SEVerticalSlider);
 215
 216   for (int i =0; i < 4; i++)
 217     verticalSliders[i]->hide();
 218
 219   horizontalSliders.push_back(NOHorizontalSlider);
 220   horizontalSliders.push_back(NEHorizontalSlider);
 221   horizontalSliders.push_back(SOHorizontalSlider);
 222   horizontalSliders.push_back(SEHorizontalSlider);
 223
 224   for (int i =0; i < 4; i++)
 225     horizontalSliders[i]->hide();
 226
 227
 228   connect(NOVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(NOVerticalSliderChanged()));
 229   connect(NEVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(NEVerticalSliderChanged()));
 230   connect(SOVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(SOVerticalSliderChanged()));
 231   connect(SEVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(SEVerticalSliderChanged()));
 232
 233   connect(NOHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(NOHorizontalSliderMoved()));
 234   connect(NEHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(NEHorizontalSliderMoved()));
 235   connect(SOHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(SOHorizontalSliderMoved()));
 236   connect(SEHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(SEHorizontalSliderMoved()));
 237
 238   //connect everything
 239   connect(actionCompute_mid_position_image,SIGNAL(triggered()),this,SLOT(ComputeMidPosition()));
 240   connect(actionDeformable_Registration,SIGNAL(triggered()),this,SLOT(ComputeDeformableRegistration()));
 241   connect(actionWarp_image_with_vector_field,SIGNAL(triggered()),this,SLOT(WarpImage()));
 242   connect(actionLoad_images,SIGNAL(triggered()),this,SLOT(OpenImages()));
 243   connect(actionOpen_Dicom,SIGNAL(triggered()),this,SLOT(OpenDicom()));
 244   connect(actionOpen_Dicom_Struct,SIGNAL(triggered()),this,SLOT(OpenDCStructContour()));
 245   connect(actionOpen_VTK_contour,SIGNAL(triggered()),this,SLOT(OpenVTKContour()));
 246   connect(actionOpen_Multiple_Images_As_One,SIGNAL(triggered()),this,SLOT(MergeImages()));
 247   connect(actionSlice_Image_As_Multiple_Images,SIGNAL(triggered()),this,SLOT(SliceImages()));
 248   connect(actionOpen_Image_With_Time,SIGNAL(triggered()),this,SLOT(OpenImageWithTime()));
 249   connect(actionMerge_images_as_n_dim_t, SIGNAL(triggered()), this, SLOT(MergeImagesWithTime()));
 250   connect(actionSave_As,SIGNAL(triggered()),this,SLOT(SaveAs()));
 251   connect(actionExit,SIGNAL(triggered()),this,SLOT(close()));
 252   connect(actionAdd_VF_to_current_Image,SIGNAL(triggered()),this,SLOT(OpenField()));
 253   connect(actionNavigation_Help,SIGNAL(triggered()),this,SLOT(ShowHelpDialog()));
 254   connect(actionDocumentation,SIGNAL(triggered()),this,SLOT(ShowDocumentation()));
 255   connect(actionRegister_vv,SIGNAL(triggered()),this,SLOT(PopupRegisterForm()));
 256
 257   ///////////////////////////////////////////////
 258   connect(actionSegmentation,SIGNAL(triggered()),this,SLOT(SegmentationOnCurrentImage()));
 259   connect(actionSurface_Viewer,SIGNAL(triggered()),this,SLOT(SurfaceViewerLaunch()));
 260   ///////////////////////////////////////////////
 261
 262   actionNorth_East_Window->setEnabled(0);
 263   actionNorth_West_Window->setEnabled(0);
 264   actionSouth_East_Window->setEnabled(0);
 265   actionSouth_West_Window->setEnabled(0);
 266
 267   connect(actionNorth_East_Window,SIGNAL(triggered()),this,SLOT(SaveNEScreenshot()));
 268   connect(actionNorth_West_Window,SIGNAL(triggered()),this,SLOT(SaveNOScreenshot()));
 269   connect(actionSouth_East_Window,SIGNAL(triggered()),this,SLOT(SaveSEScreenshot()));
 270   connect(actionSouth_West_Window,SIGNAL(triggered()),this,SLOT(SaveSOScreenshot()));
 271
 272   connect(DataTree,SIGNAL(itemSelectionChanged()),this,SLOT(ImageInfoChanged()));
 273   connect(DataTree,SIGNAL(itemClicked(QTreeWidgetItem*, int)),this,
 274           SLOT(DisplayChanged(QTreeWidgetItem*, int)));
 275
 276   connect(viewButton,SIGNAL(clicked()),this, SLOT(ChangeViewMode()) );
 277   connect(windowSpinBox,SIGNAL(editingFinished()),this,SLOT(WindowLevelEdited()));
 278   connect(levelSpinBox,SIGNAL(editingFinished()),this,SLOT(WindowLevelEdited()));
 279   connect(colorMapComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(UpdateColorMap()));
 280   connect(presetComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(UpdateWindowLevel()));
 281   connect(inverseButton,SIGNAL(clicked()),this,SLOT(SwitchWindowLevel()));
 282   connect(applyWindowLevelToAllButton,SIGNAL(clicked()),this,SLOT(ApplyWindowLevelToAllImages()));
 283
 284
 285   connect(this,SIGNAL(customContextMenuRequested(QPoint)),this,SLOT(ShowContextMenu(QPoint)));
 286
 287   connect(linkPanel,SIGNAL(addLink(QString,QString)),this,SLOT(AddLink(QString,QString)));
 288   connect(linkPanel,SIGNAL(removeLink(QString,QString)),this,SLOT(RemoveLink(QString,QString)));
 289   connect(overlayPanel,SIGNAL(VFPropertyUpdated(int,int,int,int,double,double,double)),this,SLOT(SetVFProperty(int,int,int,int,double,double,double)));
 290   connect(overlayPanel,SIGNAL(OverlayPropertyUpdated(int)),this,SLOT(SetOverlayProperty(int)));
 291   connect(overlayPanel,SIGNAL(FusionPropertyUpdated(int,int,double,double)),
 292           this,SLOT(SetFusionProperty(int,int,double,double)));
 293   connect(landmarksPanel,SIGNAL(UpdateRenderWindows()),this,SLOT(UpdateRenderWindows()));
 294
 295   playMode = 0;//pause
 296   mFrameRate = 10;
 297   playButton->setEnabled(0);
 298   frameRateLabel->setEnabled(0);
 299   frameRateSpinBox->setEnabled(0);
 300   connect(playButton, SIGNAL(clicked()),this,SLOT(PlayPause()));
 301   connect(frameRateSpinBox, SIGNAL(valueChanged(int)),this,SLOT(ChangeFrameRate(int)));
 302
 303   goToCursorPushButton->setEnabled(0);
 304   connect(goToCursorPushButton, SIGNAL(clicked()),this,SLOT(GoToCursor()));
 305
 306   NOViewWidget->hide();
 307   NEViewWidget->hide();
 308   SOViewWidget->hide();
 309   SEViewWidget->hide();
 310
 311   //Recently opened files
 312   std::list<std::string> recent_files = GetRecentlyOpenedImages();
 313   recentlyOpenedFilesMenu=NULL;
 314   if ( !recent_files.empty() ) {
 315     createRecentlyOpenedFilesMenu();
 316     updateRecentlyOpenedFilesMenu(recent_files);
 317   }
 318
 319   // Adding all new tools (insertion in the menu)
 320   vvToolManager::GetInstance()->InsertToolsInMenu(this);
 321
 322   if (!CLITK_EXPERIMENTAL)
 323     menuExperimental->menuAction()->setVisible(false);
 324
 325
 326   QTimer * timerMemory = new QTimer(this);
 327   //timerMemory->setInterval(5);
 328   connect(timerMemory, SIGNAL(timeout()), this, SLOT(UpdateMemoryUsage()));
 329   timerMemory->start(2000);
 330 }
 331 //------------------------------------------------------------------------------
 332
 333 void vvMainWindow::show(){
 334   vvMainWindowBase::show();
 335   PopupRegisterForm(true);
 336 }
 337 //------------------------------------------------------------------------------
 338 void vvMainWindow::UpdateMemoryUsage()
 339 {
 340   //  clitk::PrintMemory(true);
 341   if (clitk::GetMemoryUsageInMb() == 0) infoPanel->setMemoryInMb("NA");
 342   else infoPanel->setMemoryInMb(QString::number(clitk::GetMemoryUsageInMb())+" MiB");
 343 }
 344 //------------------------------------------------------------------------------
 345
 346
 347 //------------------------------------------------------------------------------
 348 void vvMainWindow::createRecentlyOpenedFilesMenu()
 349 {
 350     recentlyOpenedFilesMenu = new QMenu("Recently opened files...");
 351     recentlyOpenedFilesMenu->setIcon(QIcon(QString::fromUtf8(":/common/icons/open.png")));
 352     menuFile->insertMenu(actionOpen_Image_With_Time,recentlyOpenedFilesMenu);
 353     menuFile->insertSeparator(actionOpen_Image_With_Time);
 354 }
 355 //------------------------------------------------------------------------------
 356
 357
 358 //------------------------------------------------------------------------------
 359
 360 void vvMainWindow::updateRecentlyOpenedFilesMenu(const std::list<std::string> &recent_files)
 361 {
 362   if(recentlyOpenedFilesMenu==NULL){
 363     createRecentlyOpenedFilesMenu();
 364   }else{
 365     recentlyOpenedFilesMenu->clear();
 366   }
 367   for (std::list<std::string>::const_iterator i = recent_files.begin(); i!=recent_files.end(); i++) {
 368     QAction* current=new QAction(QIcon(QString::fromUtf8(":/common/icons/open.png")), i->c_str(),this);
 369     recentlyOpenedFilesMenu->addAction(current);
 370     connect(current,SIGNAL(triggered()),this,SLOT(OpenRecentImage()));
 371   }
 372 }
 373 //------------------------------------------------------------------------------
 374
 375
 376 //------------------------------------------------------------------------------
 377 void vvMainWindow::ComputeMidPosition()
 378 {
 379   bool ok;
 380   int index=GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 381   int ref = QInputDialog::getInteger(this,"Chose reference phase","Reference phase",0,0,\
 382                                      mSlicerManagers[index]->GetImage()->GetVTKImages().size()-1,1,&ok);
 383   if (ok) {
 384     vvMidPosition midp;
 385     midp.slicer_manager = mSlicerManagers[index];
 386     midp.reference_image_index = ref;
 387     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 388     midp.Update();
 389     if (midp.error)
 390       QMessageBox::warning(this, "Error computing midposition image",midp.error_message.c_str());
 391     else {
 392       QFileInfo info(midp.slicer_manager->GetFileName().c_str());
 393       AddImage(midp.output,info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_midposition.mhd");
 394     }
 395     QApplication::restoreOverrideCursor();
 396   }
 397 }
 398 //------------------------------------------------------------------------------
 399
 400
 401 //------------------------------------------------------------------------------
 402 void vvMainWindow::AddContour(int image_index, vvMesh::Pointer contour, bool propagation)
 403 {
 404   QTreeWidgetItem *item = new QTreeWidgetItem();
 405   item->setData(0,Qt::UserRole,"filename.vtk");
 406   item->setData(1,Qt::UserRole,tr("contour"));
 407   QBrush brush;
 408   brush.setColor(QColor(contour->r*255,contour->g*255,contour->b*255));
 409   brush.setStyle(Qt::SolidPattern);
 410   item->setData(COLUMN_IMAGE_NAME,Qt::BackgroundRole,brush);
 411   item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,contour->structure_name.c_str());
 412
 413   for (int j = 1; j <= 4; j++)
 414     item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(image_index)->data(j,Qt::CheckStateRole));
 415
 416   QTreePushButton* cButton = new QTreePushButton;
 417   cButton->setItem(item);
 418   cButton->setColumn(COLUMN_CLOSE_IMAGE);
 419   cButton->setToolTip(tr("close image"));
 420   cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
 421   connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 422           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
 423
 424   QTreePushButton* rButton = new QTreePushButton;
 425   rButton->setItem(item);
 426   rButton->setColumn(COLUMN_RELOAD_IMAGE);
 427   rButton->setToolTip(tr("reload image"));
 428   rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
 429   rButton->setEnabled(false);
 430   //Not implemented
 431   //connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 432   //this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
 433
 434   DataTree->topLevelItem(image_index)->setExpanded(1);
 435   DataTree->topLevelItem(image_index)->addChild(item);
 436   DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
 437   DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
 438   QString id = DataTree->topLevelItem(image_index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
 439   item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
 440
 441   UpdateTree();
 442   mSlicerManagers[image_index]->AddContour(contour,propagation);
 443   mSlicerManagers[image_index]->Render();
 444 }
 445 //------------------------------------------------------------------------------
 446
 447
 448 //------------------------------------------------------------------------------
 449 void vvMainWindow::OpenVTKContour()
 450 {
 451   if (mSlicerManagers.size() > 0) {
 452     QString Extensions = "Images ( *.vtk *.obj)";
 453     Extensions += ";;All Files (*)";
 454     QString file = QFileDialog::getOpenFileName(this,tr("Open vtkPolyData"),mInputPathName,Extensions);
 455     if (file.isNull())
 456       return;
 457     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 458     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 459     vvMeshReader reader;
 460     reader.SetImage(mSlicerManagers[index]->GetImage());
 461     reader.SetModeToVTK();
 462     reader.SetFilename(file.toStdString());
 463     reader.Update();
 464     AddContour(index,reader.GetOutput()[0],false);
 465     QApplication::restoreOverrideCursor();
 466   }
 467 }
 468 //------------------------------------------------------------------------------
 469
 470
 471 //------------------------------------------------------------------------------
 472 void vvMainWindow::OpenDCStructContour()
 473 {
 474   if (mSlicerManagers.size() > 0) {
 475     QString Extensions = "Dicom Files ( *.dcm RS*)";
 476     Extensions += ";;All Files (*)";
 477     QString file = QFileDialog::getOpenFileName(this,tr("Merge Images"),mInputPathName,Extensions);
 478     if (file.isNull())
 479       return;
 480     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 481     vvMeshReader reader;
 482     reader.SetFilename(file.toStdString());
 483     vvStructSelector selector;
 484     selector.SetStructures(reader.GetROINames());
 485     if (!mSlicerManagers[index]->GetVF().IsNull())
 486       selector.EnablePropagationCheckBox();
 487     if (selector.exec()) {
 488       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 489       reader.SetSelectedItems(selector.getSelectedItems());
 490       reader.SetImage(mSlicerManagers[index]->GetImage());
 491       if (selector.PropagationEnabled())
 492         reader.SetPropagationVF(mSlicerManagers[index]->GetVF());
 493       reader.Update();
 494       std::vector<vvMesh::Pointer> contours=reader.GetOutput();
 495       for (std::vector<vvMesh::Pointer>::iterator i=contours.begin();
 496            i!=contours.end(); i++)
 497         AddContour(index,*i,selector.PropagationEnabled());
 498       QApplication::restoreOverrideCursor();
 499     }
 500   }
 501 }
 502 //------------------------------------------------------------------------------
 503
 504
 505 //------------------------------------------------------------------------------
 506 void vvMainWindow::ComputeDeformableRegistration()
 507 {
 508   if (mSlicerManagers.size() > 0) {
 509     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 510     vvDeformationDialog dialog(index,mSlicerManagers);
 511     if (dialog.exec()) {
 512       std::string base_name=itksys::SystemTools::GetFilenameWithoutExtension(mSlicerManagers[dialog.GetInputFileIndex()]->GetFileName());
 513       AddField(dialog.GetOutput(),dialog.getFieldFile(),dialog.GetInputFileIndex());
 514       WarpImage(dialog.GetSelectedSlicer(),dialog.GetReferenceFrameIndex());
 515     } else
 516       std::cout << "Error or user cancellation while computing deformation field..." << std::endl;
 517   } else QMessageBox::information(this, "Need to open image","You must open an image first.");
 518 }
 519 //------------------------------------------------------------------------------
 520
 521
 522 //------------------------------------------------------------------------------
 523 void vvMainWindow::WarpImage()
 524 {
 525   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 526   if (!mSlicerManagers[index]->GetVF().IsNull()) {
 527     bool ok;
 528     int ref = QInputDialog::getInteger(this,"Chose reference phase","Reference phase",0,0,\
 529                                        mSlicerManagers[index]->GetImage()->GetVTKImages().size()-1,1,&ok);
 530     if (ok) {
 531       WarpImage(mSlicerManagers[index],ref);
 532     }
 533   } else
 534     QMessageBox::warning(this,tr("No vector field"),tr("Sorry, can't warp without a vector field"));
 535 }
 536 //------------------------------------------------------------------------------
 537
 538
 539 //------------------------------------------------------------------------------
 540 void vvMainWindow::WarpImage(vvSlicerManager* selected_slicer,int reference_phase)
 541 {
 542   if (!selected_slicer->GetVF().IsNull()) {
 543     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 544     QFileInfo info(selected_slicer->GetFileName().c_str());
 545     vvImageWarp warp(selected_slicer->GetImage(),selected_slicer->GetVF(),
 546                      reference_phase,this);
 547     if (warp.ComputeWarpedImage()) {
 548       AddImage(warp.GetWarpedImage(),info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_warped.mhd");
 549       AddImage(warp.GetDiffImage()  ,info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_diff.mhd");
 550       AddImage(warp.GetJacobianImage()  ,info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_jacobian.mhd");
 551       QApplication::restoreOverrideCursor();
 552     } else {
 553       QApplication::restoreOverrideCursor();
 554       QMessageBox::warning(this,tr("Different spacings"),tr("The vector field and image spacings must be the same in order to warp."));
 555     }
 556   } else
 557     QMessageBox::warning(this,tr("No vector field"),tr("Sorry, can't warp without a vector field."));
 558 }
 559 //------------------------------------------------------------------------------
 560
 561
 562 //------------------------------------------------------------------------------
 563 vvMainWindow::~vvMainWindow()
 564 {
 565   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
 566     if (mSlicerManagers[i] != NULL)
 567       delete mSlicerManagers[i];
 568   }
 569 }
 570 //------------------------------------------------------------------------------
 571
 572 //------------------------------------------------------------------------------
 573 QTabWidget * vvMainWindow::GetTab()
 574 {
 575   return tabWidget;
 576 }
 577 //------------------------------------------------------------------------------
 578
 579
 580 //------------------------------------------------------------------------------
 581 void vvMainWindow::MergeImages()
 582 {
 583   QString Extensions = EXTENSIONS;
 584   Extensions += ";;All Files (*)";
 585   QStringList files = QFileDialog::getOpenFileNames(this,tr("Merge Images"),mInputPathName,Extensions);
 586   if (files.isEmpty())
 587     return;
 588   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 589   std::vector<std::string> vector;
 590
 591   unsigned int currentDim = 0;
 592   std::vector<double> currentSpacing;
 593   std::vector<int> currentSize;
 594   std::vector<double> currentOrigin;
 595
 596   for (int i = 0; i < files.size(); i++) {
 597     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
 598                                          files[i].toStdString().c_str(), itk::ImageIOFactory::ReadMode);
 599     reader->SetFileName(files[i].toStdString().c_str());
 600     reader->ReadImageInformation();
 601     if (reader)        {
 602       //NOViewWidget->hide();
 603       //NEViewWidget->hide();
 604       //SOViewWidget->hide();
 605       //SEViewWidget->hide();
 606       if (i == 0)
 607         currentDim = reader->GetNumberOfDimensions();
 608       bool IsOk = true;
 609       for (unsigned int j = 0; j < currentDim; j++) {
 610         if (i == 0) {
 611           if (j == 0) {
 612             currentSpacing.resize(currentDim);
 613             currentSize.resize(currentDim);
 614             currentOrigin.resize(currentDim);
 615           }
 616           currentOrigin[j] = reader->GetOrigin(j);
 617           currentSpacing[j] = reader->GetSpacing(j);
 618           currentSize[j] = reader->GetDimensions(j);
 619         } else if (currentDim != reader->GetNumberOfDimensions()
 620                    || currentSpacing[j] != reader->GetSpacing(j)
 621                    || currentSize[j] != (int)reader->GetDimensions(j)
 622                    || currentOrigin[j] != reader->GetOrigin(j)) {
 623           QString error = "Cannot read file (too different from others ";
 624           error += files[i].toStdString().c_str();
 625           QMessageBox::information(this,tr("Reading problem"),error);
 626           IsOk = false;
 627           break;
 628         }
 629       }
 630       if (IsOk)
 631         vector.push_back(files[i].toStdString());
 632     }
 633   }
 634   if (vector.size() > 0)
 635     LoadImages(vector, vvImageReader::MERGED);
 636 }
 637 //------------------------------------------------------------------------------
 638
 639 //------------------------------------------------------------------------------
 640 void vvMainWindow::SliceImages()
 641 {
 642   QString Extensions = EXTENSIONS;
 643   Extensions += ";;All Files (*)";
 644
 645   QStringList files = QFileDialog::getOpenFileNames(this,tr("Slice Images"),mInputPathName,Extensions);
 646   if (files.isEmpty())
 647     return;
 648   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 649   std::vector<std::string> vector;
 650   for (int i = 0; i < files.size(); i++)
 651     vector.push_back(files[i].toStdString());
 652   LoadImages(vector, vvImageReader::SLICED);
 653 }
 654 //------------------------------------------------------------------------------
 655
 656 //------------------------------------------------------------------------------
 657 void vvMainWindow::MergeImagesWithTime()
 658 {
 659   QString Extensions = EXTENSIONS;
 660   Extensions += ";;All Files (*)";
 661   QStringList files = QFileDialog::getOpenFileNames(this,tr("Merge Images With Time"),mInputPathName,Extensions);
 662   if (files.isEmpty())
 663     return;
 664   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 665   std::vector<std::string> vector;
 666
 667   unsigned int currentDim = 0;
 668   std::vector<double> currentSpacing;
 669   std::vector<int> currentSize;
 670   std::vector<double> currentOrigin;
 671
 672   for (int i = 0; i < files.size(); i++) {
 673     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
 674                                          files[i].toStdString().c_str(), itk::ImageIOFactory::ReadMode);
 675     if (reader) {
 676       reader->SetFileName(files[i].toStdString().c_str());
 677       reader->ReadImageInformation();
 678       if (i == 0)
 679         currentDim = reader->GetNumberOfDimensions();
 680       bool IsOk = true;
 681       for (unsigned int j = 0; j < currentDim; j++) {
 682         if (i == 0) {
 683           if (j == 0) {
 684             currentSpacing.resize(currentDim);
 685             currentSize.resize(currentDim);
 686             currentOrigin.resize(currentDim);
 687           }
 688           currentOrigin[j] = reader->GetOrigin(j);
 689           currentSpacing[j] = reader->GetSpacing(j);
 690           currentSize[j] = reader->GetDimensions(j);
 691         } else if (currentDim != reader->GetNumberOfDimensions()
 692                    || currentSpacing[j] != reader->GetSpacing(j)
 693                    || currentSize[j] != (int)reader->GetDimensions(j)
 694                    || currentOrigin[j] != reader->GetOrigin(j)) {
 695           QString error = "Cannot read file (too different from others ";
 696           error += files[i].toStdString().c_str();
 697           QMessageBox::information(this,tr("Reading problem"),error);
 698           IsOk = false;
 699           break;
 700         }
 701       }
 702       if (IsOk)
 703         vector.push_back(files[i].toStdString());
 704     } else {
 705       QString error = "Cannot read file info for ";
 706       error += files[i].toStdString().c_str();
 707       error += "\n";
 708       error += "Maybe you're trying to open an image in an unsupported format?\n";
 709       QMessageBox::information(this,tr("Reading problem"),error);
 710     }
 711   }
 712   sort(vector.begin(),vector.end());
 713   if (vector.size() > 1)
 714     LoadImages(vector, vvImageReader::MERGEDWITHTIME);
 715   else
 716     QMessageBox::warning(this,tr("Reading problem"),"You need to select at least two images to merge images with time.\nIf you only want to open one image, please use the \"Open Image\" function.");
 717 }
 718 //------------------------------------------------------------------------------
 719
 720
 721 //------------------------------------------------------------------------------
 722 void vvMainWindow::OpenDicom()
 723 {
 724   std::vector<std::string> files;
 725
 726   std::cout << "dicomSeriesSelector " << std::endl;
 727   if (dicomSeriesSelector->exec() == QDialog::Accepted) {
 728     files = *(dicomSeriesSelector->GetFilenames());
 729     LoadImages(files, vvImageReader::DICOM);
 730   }
 731 }
 732 //------------------------------------------------------------------------------
 733
 734 //------------------------------------------------------------------------------
 735 void vvMainWindow::OpenImages()
 736 {
 737   QString Extensions = EXTENSIONS;
 738   Extensions += ";;All Files (*)";
 739
 740   QStringList files = QFileDialog::getOpenFileNames(this,tr("Load Images"),mInputPathName,Extensions);
 741   if (files.isEmpty())
 742     return;
 743   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 744   std::vector<std::string> vector;
 745   for (int i = 0; i < files.size(); i++)
 746     vector.push_back(files[i].toStdString());
 747   LoadImages(vector, vvImageReader::IMAGE);
 748 }
 749 //------------------------------------------------------------------------------
 750 void vvMainWindow::OpenRecentImage()
 751 {
 752   QAction * caller = qobject_cast<QAction*>(sender());
 753   std::vector<std::string> images;
 754   images.push_back(caller->text().toStdString());
 755   mInputPathName = itksys::SystemTools::GetFilenamePath(images[0]).c_str();
 756   LoadImages(images, vvImageReader::IMAGE);
 757 }
 758 //------------------------------------------------------------------------------
 759
 760
 761 //------------------------------------------------------------------------------
 762 void vvMainWindow::OpenImageWithTime()
 763 {
 764   QString Extensions = EXTENSIONS;
 765   Extensions += ";;All Files (*)";
 766
 767   QStringList files = QFileDialog::getOpenFileNames(this,tr("Load Images With Time"),mInputPathName,Extensions);
 768   if (files.isEmpty())
 769     return;
 770   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 771   std::vector<std::string> vector;
 772   for (int i = 0; i < files.size(); i++) {
 773     vector.push_back(files[i].toStdString());
 774   }
 775   LoadImages(vector, vvImageReader::IMAGEWITHTIME);
 776 }
 777 //------------------------------------------------------------------------------
 778
 779
 780 //------------------------------------------------------------------------------
 781 void vvMainWindow::LoadImages(std::vector<std::string> files, vvImageReader::LoadedImageType filetype)
 782 {
 783   //Separate the way to open images and dicoms
 784   int fileSize;
 785   if (filetype == vvImageReader::IMAGE || filetype == vvImageReader::IMAGEWITHTIME)
 786     fileSize = files.size();
 787   else
 788     fileSize = 1;
 789
 790   // For SLICED, we need the number of slices (ndim and #slices)
 791   std::vector<unsigned int> nSlices;
 792   nSlices.resize(files.size());
 793   std::fill(nSlices.begin(), nSlices.end(), 1);
 794   if (filetype == vvImageReader::SLICED) {
 795     for (int i = 0; i < fileSize; i++) {
 796       itk::ImageIOBase::Pointer header = clitk::readImageHeader(files[i]);
 797       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 798       if (!header) {
 799         nSlices[i] = 0;
 800         QString error = "Cannot open file \n";
 801         error += files[i].c_str();
 802         QMessageBox::information(this,tr("Reading problem"),error);
 803         return;
 804       }
 805       if (header->GetNumberOfDimensions() < 3) {
 806         nSlices[i] = 0;
 807         QString error = "Dimension problem. Cannot slice \n";
 808         error += files[i].c_str();
 809         QMessageBox::information(this,tr("Reading problem"),error);
 810         return;
 811       }
 812       nSlices[i] = header->GetDimensions( header->GetNumberOfDimensions()-1 );
 813     }
 814   }
 815
 816   //Only add to the list of recently opened files when a single file is opened,
 817   //to avoid polluting the list of recently opened files
 818   if (files.size() == 1) {
 819     QFileInfo finfo=tr(files[0].c_str());
 820     AddToRecentlyOpenedImages(finfo.absoluteFilePath().toStdString());
 821     updateRecentlyOpenedFilesMenu(GetRecentlyOpenedImages());
 822   }
 823   //init the progress events
 824   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 825   vvProgressDialog progress("Opening " + files[0],fileSize>1);
 826   qApp->processEvents();
 827
 828   int numberofsuccesulreads=0;
 829   //open images as 1 or multiples
 830   for (int i = 0; i < fileSize; i++) {
 831
 832     progress.SetText("Opening " + files[i]);
 833     progress.SetProgress(i,fileSize);
 834     qApp->processEvents();
 835
 836     for (unsigned int j = 0; j < nSlices[i]; j++) {
 837       //read the image and put it in mSlicerManagers
 838       vvSlicerManager* imageManager = new vvSlicerManager(4);
 839       qApp->processEvents();
 840
 841       bool SetImageSucceed=false;
 842
 843       // Change filename if an image with the same already exist
 844       int number = GetImageDuplicateFilenameNumber(files[i] + std::string("_slice"));
 845
 846       if (filetype == vvImageReader::IMAGE || filetype == vvImageReader::IMAGEWITHTIME || filetype == vvImageReader::SLICED)
 847         SetImageSucceed = imageManager->SetImage(files[i],filetype, number, j);
 848       else {
 849         SetImageSucceed = imageManager->SetImages(files,filetype, number);
 850       }
 851       if (!SetImageSucceed) {
 852         QApplication::restoreOverrideCursor();
 853         QString error = "Cannot open file \n";
 854         error += imageManager->GetLastError().c_str();
 855         QMessageBox::information(this,tr("Reading problem"),error);
 856         delete imageManager;
 857       } else {
 858         mSlicerManagers.push_back(imageManager);
 859
 860         //create an item in the tree with good settings
 861         QTreeWidgetItem *item = new QTreeWidgetItem();
 862         item->setData(0,Qt::UserRole,files[i].c_str());
 863         QFileInfo fileinfo(imageManager->GetFileName().c_str()); //Do not show the path
 864         item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
 865         item->setToolTip(COLUMN_IMAGE_NAME,fileinfo.absoluteFilePath());
 866         qApp->processEvents();
 867
 868         //Create the buttons for reload and close
 869         qApp->processEvents();
 870         QTreePushButton* cButton = new QTreePushButton;
 871         cButton->setItem(item);
 872         cButton->setColumn(COLUMN_CLOSE_IMAGE);
 873         cButton->setToolTip(tr("close image"));
 874         cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
 875         connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 876                 this,SLOT(CloseImage(QTreeWidgetItem*, int)));
 877
 878         QTreePushButton* rButton = new QTreePushButton;
 879         rButton->setItem(item);
 880         rButton->setColumn(COLUMN_RELOAD_IMAGE);
 881         rButton->setToolTip(tr("reload image"));
 882         rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
 883         connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 884                 this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
 885
 886         DataTree->addTopLevelItem(item);
 887         DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
 888         DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
 889
 890         //set the id of the image
 891         QString id = files[i].c_str() + QString::number(mSlicerManagers.size()-1);
 892         item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
 893         mSlicerManagers.back()->SetId(id.toStdString());
 894
 895         linkPanel->addImage(imageManager->GetFileName(), id.toStdString());
 896
 897         connect(mSlicerManagers.back(), SIGNAL(currentImageChanged(std::string)),
 898                 this,SLOT(CurrentImageChanged(std::string)));
 899         connect(mSlicerManagers.back(), SIGNAL(currentPickedImageChanged(std::string)),
 900                 this, SLOT(CurrentPickedImageChanged(std::string)));
 901         connect(mSlicerManagers.back(), SIGNAL(UpdatePosition(int, double, double, double, double, double, double, double)),
 902                 this,SLOT(MousePositionChanged(int,double, double, double, double, double, double, double)));
 903         connect(mSlicerManagers.back(), SIGNAL(UpdateVector(int, double, double, double, double)),
 904                 this, SLOT(VectorChanged(int,double,double,double, double)));
 905         connect(mSlicerManagers.back(), SIGNAL(UpdateOverlay(int, double, double)),
 906                 this, SLOT(OverlayChanged(int,double,double)));
 907         connect(mSlicerManagers.back(), SIGNAL(UpdateFusion(int, double)),
 908                 this, SLOT(FusionChanged(int,double)));
 909         connect(mSlicerManagers.back(), SIGNAL(UpdateWindows(int, int, int)),
 910                 this,SLOT(WindowsChanged(int, int, int)));
 911         connect(mSlicerManagers.back(), SIGNAL(WindowLevelChanged(double, double,int, int)),
 912                 this,SLOT(WindowLevelChanged(double, double, int, int)));
 913         connect(mSlicerManagers.back(), SIGNAL(UpdateSlice(int,int)),
 914                 this,SLOT(UpdateSlice(int,int)));
 915         connect(mSlicerManagers.back(), SIGNAL(UpdateTSlice(int, int)),
 916                 this,SLOT(UpdateTSlice(int, int)));
 917         connect(mSlicerManagers.back(), SIGNAL(UpdateSliceRange(int,int,int,int,int)),
 918                 this,SLOT(UpdateSliceRange(int,int,int,int,int)));
 919         connect(mSlicerManagers.back(), SIGNAL(UpdateLinkManager(std::string,int,double,double,double,int)),
 920                 this,SLOT(UpdateLinkManager(std::string,int,double,double,double,int)));
 921         connect(mSlicerManagers.back(), SIGNAL(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)),
 922                 this,SLOT(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)));
 923         connect(mSlicerManagers.back(), SIGNAL(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)),
 924                 this,SLOT(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)));
 925         connect(mSlicerManagers.back(),SIGNAL(LandmarkAdded()),landmarksPanel,SLOT(AddPoint()));
 926         InitSlicers();
 927         numberofsuccesulreads++;
 928       }
 929     }
 930   }
 931   if (numberofsuccesulreads) {
 932     NOViewWidget->show();
 933     NEViewWidget->show();
 934     SOViewWidget->show();
 935     SEViewWidget->show();
 936     UpdateTree();
 937     InitDisplay();
 938     ShowLastImage();
 939
 940     // Try to guess default WindowLevel
 941     double range[2];
 942     mSlicerManagers.back()->GetImage()->GetFirstVTKImageData()->GetScalarRange(range);
 943     if ((range[0] == 0) && (range[1] == 1)) {
 944       presetComboBox->setCurrentIndex(5);// binary
 945     } else {
 946       // TODO
 947     }
 948   }
 949   QApplication::restoreOverrideCursor();
 950 }
 951 //------------------------------------------------------------------------------
 952
 953 //------------------------------------------------------------------------------
 954 void vvMainWindow::UpdateTree()
 955 {
 956   DataTree->resizeColumnToContents(COLUMN_TREE);
 957   DataTree->resizeColumnToContents(COLUMN_UL_VIEW);
 958   DataTree->resizeColumnToContents(COLUMN_UR_VIEW);
 959   DataTree->resizeColumnToContents(COLUMN_DL_VIEW);
 960   DataTree->resizeColumnToContents(COLUMN_DR_VIEW);
 961   DataTree->resizeColumnToContents(COLUMN_IMAGE_NAME);
 962   DataTree->resizeColumnToContents(COLUMN_CLOSE_IMAGE);
 963   DataTree->resizeColumnToContents(COLUMN_RELOAD_IMAGE);
 964 }
 965 //------------------------------------------------------------------------------
 966
 967 //------------------------------------------------------------------------------
 968 void vvMainWindow::CurrentImageChanged(std::string id)
 969 {
 970   if (id == mCurrentSelectedImageId) return; // Do nothing
 971   int selected = 0;
 972   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
 973     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString().toStdString() == id) {
 974       selected = i;
 975     } else {
 976       DataTree->topLevelItem(i)->setSelected(0);
 977     }
 978     for (int child = 0; child < DataTree->topLevelItem(i)->childCount(); child++)
 979       DataTree->topLevelItem(i)->child(child)->setSelected(0);
 980
 981   }
 982   DataTree->topLevelItem(selected)->setSelected(1);
 983   mCurrentSelectedImageId = id;
 984   emit SelectedImageHasChanged(mSlicerManagers[selected]);
 985 }
 986 //------------------------------------------------------------------------------
 987
 988 //------------------------------------------------------------------------------
 989 void vvMainWindow::CurrentPickedImageChanged(std::string id)
 990 {
 991   if (id == mCurrentPickedImageId) return; // Do nothing
 992   int selected = 0;
 993   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
 994     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString().toStdString() == id) {
 995       selected = i;
 996     } else {
 997       DataTree->topLevelItem(i)->setSelected(0);
 998     }
 999     for (int child = 0; child < DataTree->topLevelItem(i)->childCount(); child++)
1000       DataTree->topLevelItem(i)->child(child)->setSelected(0);
1001
1002   }
1003   DataTree->topLevelItem(selected)->setSelected(1);
1004   mCurrentPickedImageId = id;
1005   mCurrentPickedImageIndex = selected;
1006 }
1007 //------------------------------------------------------------------------------
1008
1009 //------------------------------------------------------------------------------
1010 void vvMainWindow::ImageInfoChanged()
1011 {
1012   contextActions[6]->setEnabled(1);
1013   contextActions[5]->setEnabled(1);
1014   actionSave_As->setEnabled(1);
1015   actionAdd_VF_to_current_Image->setEnabled(1);
1016   actionAdd_fusion_image->setEnabled(1);
1017   actionNorth_East_Window->setEnabled(1);
1018   actionNorth_West_Window->setEnabled(1);
1019   actionSouth_East_Window->setEnabled(1);
1020   actionSouth_West_Window->setEnabled(1);
1021   inverseButton->setEnabled(1);
1022
1023   goToCursorPushButton->setEnabled(1);
1024
1025   if (DataTree->selectedItems().size()) {
1026     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1027
1028     colorMapComboBox->setEnabled(1);
1029     for (int i = 0; i < DataTree->topLevelItem(index)->childCount(); i++) {
1030       if (DataTree->topLevelItem(index)->child(i)->data(1,Qt::UserRole).toString() == "overlay" ||
1031           DataTree->topLevelItem(index)->child(i)->data(1,Qt::UserRole).toString() == "fusion") {
1032         colorMapComboBox->setEnabled(0);
1033         break;
1034       }
1035     }
1036
1037     std::vector<double> origin;
1038     std::vector<double> inputSpacing;
1039     std::vector<int> inputSize;
1040     std::vector<double> sizeMM;
1041     vtkSmartPointer<vtkMatrix4x4> transformation;
1042     int dimension=0;
1043     QString pixelType;
1044     QString inputSizeInBytes;
1045     QString image = DataTree->selectedItems()[0]->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1046
1047     if (mSlicerManagers[index]->GetSlicer(0)->GetImage()->GetVTKImages().size() > 1 || playMode == 1) {
1048       playButton->setEnabled(1);
1049       frameRateLabel->setEnabled(1);
1050       frameRateSpinBox->setEnabled(1);
1051     } else {
1052       playButton->setEnabled(0);
1053       frameRateLabel->setEnabled(0);
1054       frameRateSpinBox->setEnabled(0);
1055     }
1056
1057     //read image header
1058     int NPixel = 1;
1059
1060     vvImage::Pointer imageSelected;
1061     if (DataTree->topLevelItem(index) == DataTree->selectedItems()[0]) {
1062       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetImage();
1063       dimension = imageSelected->GetNumberOfDimensions();
1064       origin.resize(dimension);
1065       inputSpacing.resize(dimension);
1066       inputSize.resize(dimension);
1067       sizeMM.resize(dimension);
1068       pixelType = mSlicerManagers[index]->GetImage()->GetScalarTypeAsITKString().c_str();
1069       for (int i = 0; i < dimension; i++) {
1070         origin[i] = imageSelected->GetOrigin()[i];
1071         inputSpacing[i] = imageSelected->GetSpacing()[i];
1072         inputSize[i] = imageSelected->GetSize()[i];
1073         sizeMM[i] = inputSize[i]*inputSpacing[i];
1074         NPixel *= inputSize[i];
1075       }
1076       inputSizeInBytes = GetSizeInBytes(imageSelected->GetActualMemorySize()*1000);
1077     } else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "vector") {
1078       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetVF();
1079       dimension = imageSelected->GetNumberOfDimensions();
1080       origin.resize(dimension);
1081       inputSpacing.resize(dimension);
1082       inputSize.resize(dimension);
1083       sizeMM.resize(dimension);
1084       pixelType = mSlicerManagers[index]->GetVF()->GetScalarTypeAsITKString().c_str();
1085       for (int i = 0; i < dimension; i++) {
1086         origin[i] = imageSelected->GetOrigin()[i];
1087         inputSpacing[i] = imageSelected->GetSpacing()[i];
1088         inputSize[i] = imageSelected->GetSize()[i];
1089         sizeMM[i] = inputSize[i]*inputSpacing[i];
1090         NPixel *= inputSize[i];
1091       }
1092       inputSizeInBytes = GetSizeInBytes(imageSelected->GetActualMemorySize()*1000);
1093     } else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "overlay") {
1094       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetOverlay();
1095       dimension = imageSelected->GetNumberOfDimensions();
1096       origin.resize(dimension);
1097       inputSpacing.resize(dimension);
1098       inputSize.resize(dimension);
1099       sizeMM.resize(dimension);
1100       pixelType = mSlicerManagers[index]->GetImage()->GetScalarTypeAsITKString().c_str();
1101       for (int i = 0; i < dimension; i++) {
1102         origin[i] = imageSelected->GetOrigin()[i];
1103         inputSpacing[i] = imageSelected->GetSpacing()[i];
1104         inputSize[i] = imageSelected->GetSize()[i];
1105         sizeMM[i] = inputSize[i]*inputSpacing[i];
1106         NPixel *= inputSize[i];
1107       }
1108       inputSizeInBytes = GetSizeInBytes(imageSelected->GetActualMemorySize()*1000);
1109     } else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "fusion") {
1110       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetFusion();
1111       dimension = imageSelected->GetNumberOfDimensions();
1112       origin.resize(dimension);
1113       inputSpacing.resize(dimension);
1114       inputSize.resize(dimension);
1115       sizeMM.resize(dimension);
1116       pixelType = mSlicerManagers[index]->GetImage()->GetScalarTypeAsITKString().c_str();
1117       for (int i = 0; i < dimension; i++) {
1118         origin[i] = imageSelected->GetOrigin()[i];
1119         inputSpacing[i] = imageSelected->GetSpacing()[i];
1120         inputSize[i] = imageSelected->GetSize()[i];
1121         sizeMM[i] = inputSize[i]*inputSpacing[i];
1122         NPixel *= inputSize[i];
1123       }
1124       inputSizeInBytes = GetSizeInBytes(imageSelected->GetActualMemorySize()*1000);
1125     }
1126
1127     QString dim = QString::number(dimension) + " (";
1128     dim += pixelType + ")";
1129
1130     infoPanel->setFileName(image);
1131     infoPanel->setDimension(dim);
1132     infoPanel->setSizePixel(GetVectorIntAsString(inputSize));
1133     infoPanel->setSizeMM(GetVectorDoubleAsString(sizeMM));
1134     infoPanel->setOrigin(GetVectorDoubleAsString(origin));
1135     infoPanel->setSpacing(GetVectorDoubleAsString(inputSpacing));
1136     infoPanel->setNPixel(QString::number(NPixel)+" ("+inputSizeInBytes+")");
1137     transformation = imageSelected->GetTransform()->GetMatrix();
1138     infoPanel->setTransformation(Get4x4MatrixDoubleAsString(transformation));
1139
1140     landmarksPanel->SetCurrentLandmarks(mSlicerManagers[index]->GetLandmarks(),
1141                                         mSlicerManagers[index]->GetSlicer(0)->GetImage()->GetVTKImages().size());
1142     landmarksPanel->SetCurrentPath(mInputPathName.toStdString());
1143     landmarksPanel->SetCurrentImage(mSlicerManagers[index]->GetFileName().c_str());
1144
1145     overlayPanel->getCurrentImageName(mSlicerManagers[index]->GetFileName().c_str());
1146     for (int i = 0; i < 4; i++) {
1147       if (DataTree->selectedItems()[0]->data(i+1,Qt::CheckStateRole).toInt() > 0 || i == 3) {
1148         mSlicerManagers[index]->UpdateInfoOnCursorPosition(i);
1149         break;
1150       }
1151     }
1152     windowSpinBox->setValue(mSlicerManagers[index]->GetColorWindow());
1153     levelSpinBox->setValue(mSlicerManagers[index]->GetColorLevel());
1154     presetComboBox->setCurrentIndex(mSlicerManagers[index]->GetPreset());
1155     colorMapComboBox->setCurrentIndex(mSlicerManagers[index]->GetColorMap());
1156
1157     infoPanel->setFileName(image);
1158     infoPanel->setDimension(dim);
1159     infoPanel->setSizePixel(GetVectorIntAsString(inputSize));
1160     infoPanel->setSizeMM(GetVectorDoubleAsString(sizeMM));
1161     infoPanel->setOrigin(GetVectorDoubleAsString(origin));
1162     infoPanel->setSpacing(GetVectorDoubleAsString(inputSpacing));
1163     infoPanel->setNPixel(QString::number(NPixel)+" ("+inputSizeInBytes+")");
1164
1165     landmarksPanel->SetCurrentLandmarks(mSlicerManagers[index]->GetLandmarks(),
1166                                         mSlicerManagers[index]->GetSlicer(0)->GetImage()->GetVTKImages().size());
1167     landmarksPanel->SetCurrentPath(mInputPathName.toStdString());
1168     landmarksPanel->SetCurrentImage(mSlicerManagers[index]->GetFileName().c_str());
1169
1170     overlayPanel->getCurrentImageName(mSlicerManagers[index]->GetFileName().c_str());
1171     for (int i = 0; i < 4; i++) {
1172       if (DataTree->selectedItems()[0]->data(i+1,Qt::CheckStateRole).toInt() > 0 || i == 3) {
1173         mSlicerManagers[index]->UpdateInfoOnCursorPosition(i);
1174         break;
1175       }
1176     }
1177     windowSpinBox->setValue(mSlicerManagers[index]->GetColorWindow());
1178     levelSpinBox->setValue(mSlicerManagers[index]->GetColorLevel());
1179     presetComboBox->setCurrentIndex(mSlicerManagers[index]->GetPreset());
1180     colorMapComboBox->setCurrentIndex(mSlicerManagers[index]->GetColorMap());
1181
1182     if (mSlicerManagers[index]->GetSlicer(0)->GetVF()) {
1183       overlayPanel->getVFName(mSlicerManagers[index]->GetVFName().c_str());
1184       overlayPanel->getVFProperty(mSlicerManagers[index]->GetSlicer(0)->GetVFSubSampling(),
1185                                   mSlicerManagers[index]->GetSlicer(0)->GetVFScale(),
1186                                   mSlicerManagers[index]->GetSlicer(0)->GetVFLog());
1187     } else {
1188       overlayPanel->getVFName(mSlicerManagers[index]->GetVFName().c_str());
1189       overlayPanel->getVFProperty(-1,-1,-1);
1190     }
1191     if (mSlicerManagers[index]->GetSlicer(0)->GetOverlay()) {
1192       overlayPanel->getOverlayName(mSlicerManagers[index]->GetOverlayName().c_str());
1193       overlayPanel->getOverlayProperty(mSlicerManagers[index]->GetOverlayColor());
1194     } else {
1195       overlayPanel->getOverlayName(mSlicerManagers[index]->GetOverlayName().c_str());
1196       overlayPanel->getOverlayProperty(-1);
1197     }
1198     if (mSlicerManagers[index]->GetSlicer(0)->GetFusion()) {
1199       overlayPanel->getFusionName(mSlicerManagers[index]->GetFusionName().c_str());
1200       overlayPanel->getFusionProperty(mSlicerManagers[index]->GetFusionOpacity(),
1201                                       mSlicerManagers[index]->GetFusionColorMap(),
1202                                       mSlicerManagers[index]->GetFusionWindow(),
1203                                       mSlicerManagers[index]->GetFusionLevel());
1204     } else {
1205       overlayPanel->getFusionName(mSlicerManagers[index]->GetFusionName().c_str());
1206       overlayPanel->getFusionProperty(-1, -1,-1,-1);
1207     }
1208   }
1209 }
1210 //------------------------------------------------------------------------------
1211
1212 //------------------------------------------------------------------------------
1213 void vvMainWindow::ShowDocumentation()
1214 {
1215   documentation->show();
1216 }
1217 //------------------------------------------------------------------------------
1218
1219 //------------------------------------------------------------------------------
1220 void vvMainWindow::PopupRegisterForm(bool checkCanPush)
1221 {
1222   vvRegisterForm* registerForm = new vvRegisterForm(QUrl("http://www.creatis.insa-lyon.fr/~dsarrut/vvregister/write.php"), getVVSettingsPath(), getSettingsOptionFormat());
1223   if(!checkCanPush){
1224     registerForm->show();
1225   }else{
1226     if(registerForm->canPush()){
1227       registerForm->show();
1228       registerForm->acquitPushed();//too bad if there is not internet connection anymore.
1229     }
1230   }
1231 }
1232 //------------------------------------------------------------------------------
1233
1234 //------------------------------------------------------------------------------
1235 void vvMainWindow::ShowHelpDialog()
1236 {
1237   help_dialog->show();
1238 }
1239 //------------------------------------------------------------------------------
1240
1241 //------------------------------------------------------------------------------
1242 void vvMainWindow::ChangeViewMode()
1243 {
1244   QList<int> size;
1245   if (viewMode == 1) {
1246     viewMode = 0;
1247     size.push_back(1);
1248     size.push_back(0);
1249     splitter_3->setSizes(size);
1250     OSplitter->setSizes(size);
1251     DataTree->setColumnHidden(2,1);
1252     DataTree->setColumnHidden(3,1);
1253     DataTree->setColumnHidden(4,1);
1254   } else {
1255     viewMode = 1;
1256     size.push_back(1);
1257     size.push_back(1);
1258     splitter_3->setSizes(size);
1259     OSplitter->setSizes(size);
1260     DataTree->setColumnHidden(2,0);
1261     DataTree->setColumnHidden(3,0);
1262     DataTree->setColumnHidden(4,0);
1263   }
1264   UpdateRenderWindows();
1265   /*
1266   ** I don't know why but for both resized QVTKWidget we also need to render
1267   ** the associated Slicer to redraw crosses.
1268   */
1269   for (unsigned int i = 0; i < mSlicerManagers.size(); i++)
1270   {
1271     if (DataTree->topLevelItem(i)->data(COLUMN_UL_VIEW,Qt::CheckStateRole).toInt() > 1)
1272       mSlicerManagers[i]->GetSlicer(0)->Render();
1273     if (DataTree->topLevelItem(i)->data(COLUMN_DL_VIEW,Qt::CheckStateRole).toInt() > 1)
1274       mSlicerManagers[i]->GetSlicer(2)->Render();
1275   }
1276 }
1277 //------------------------------------------------------------------------------
1278
1279 //------------------------------------------------------------------------------
1280 QString vvMainWindow::GetSizeInBytes(unsigned long size)
1281 {
1282   QString result = "";// QString::number(size);
1283   //result += " bytes (";
1284   if (size > 1000000000) {
1285     size /= 1000000000;
1286     result += QString::number(size);
1287     result += "Gb";//)";
1288   } else if (size > 1000000) {
1289     size /= 1000000;
1290     result += QString::number(size);
1291     result += "Mb";//)";
1292   } else if (size > 1000) {
1293     size /= 1000;
1294     result += QString::number(size);
1295     result += "kb";//)";
1296   }
1297   return result;
1298 }
1299 //------------------------------------------------------------------------------
1300
1301 //------------------------------------------------------------------------------
1302 QString vvMainWindow::Get4x4MatrixDoubleAsString(vtkSmartPointer<vtkMatrix4x4> matrix)
1303 {
1304   std::ostringstream strmatrix;
1305
1306   for (unsigned int i = 0; i < 4; i++) {
1307     for (unsigned int j = 0; j < 4; j++) {
1308       strmatrix.flags(ios::showpos);
1309       strmatrix.width(10);
1310       strmatrix.precision(3);
1311       strmatrix.setf(ios::fixed,ios::floatfield);
1312       strmatrix.fill(' ');
1313       strmatrix << std::left << matrix->GetElement(i, j);
1314       //strmatrix.width(10);
1315       strmatrix << " ";
1316     }
1317     strmatrix << std::endl;
1318   }
1319   QString result = strmatrix.str().c_str();
1320   return result;
1321 }
1322 //------------------------------------------------------------------------------
1323
1324 //------------------------------------------------------------------------------
1325 QString vvMainWindow::GetVectorDoubleAsString(std::vector<double> vectorDouble)
1326 {
1327   QString result;
1328   for (unsigned int i= 0; i < vectorDouble.size(); i++) {
1329     if (i != 0)
1330       result += " ";
1331     result += QString::number(vectorDouble[i]);
1332   }
1333   return result;
1334 }
1335 //------------------------------------------------------------------------------
1336
1337 //------------------------------------------------------------------------------
1338 QString vvMainWindow::GetVectorIntAsString(std::vector<int> vectorInt)
1339 {
1340   QString result;
1341   for (unsigned int i= 0; i < vectorInt.size(); i++) {
1342     if (i != 0)
1343       result += " ";
1344     result += QString::number(vectorInt[i]);
1345   }
1346   return result;
1347 }
1348 //------------------------------------------------------------------------------
1349
1350 //------------------------------------------------------------------------------
1351 int vvMainWindow::GetSlicerIndexFromItem(QTreeWidgetItem* item)
1352 {
1353   QString id = item->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
1354   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1355     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString() == id)
1356       return i;
1357   }
1358   return -1;
1359 }
1360 //------------------------------------------------------------------------------
1361
1362 //------------------------------------------------------------------------------
1363 QTreeWidgetItem* vvMainWindow::GetItemFromSlicerManager(vvSlicerManager* sm)
1364 {
1365   QString id = sm->GetId().c_str();
1366   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1367     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString() == id)
1368       return DataTree->topLevelItem(i);
1369   }
1370   return NULL;
1371 }
1372 //------------------------------------------------------------------------------
1373
1374 //------------------------------------------------------------------------------
1375 void vvMainWindow::DisplayChanged(QTreeWidgetItem *clicked_item, int column)
1376 {
1377   int index = GetSlicerIndexFromItem(clicked_item);
1378   if ( column >= COLUMN_CLOSE_IMAGE || column <= 0)
1379     return;
1380   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1381     //Trick to avoid redoing twice the job for a key (sr)
1382     mSlicerManagers[i]->GetSlicer(column-1)->GetRenderWindow()-> GetInteractor()->SetKeySym("Crap");
1383
1384     QTreeWidgetItem* current_row=DataTree->topLevelItem(i);
1385     if (DataTree->topLevelItem(index) == current_row) {
1386       vvSlicer* clicked_slicer=mSlicerManagers[i]->GetSlicer(column-1);
1387       if (current_row == clicked_item) {
1388         //If we just activated a slicer
1389         if (current_row->data(column,Qt::CheckStateRole).toInt() > 0) {
1390           mSlicerManagers[i]->UpdateSlicer(column-1,clicked_item->data(column,Qt::CheckStateRole).toInt());
1391           mSlicerManagers[i]->UpdateInfoOnCursorPosition(column-1);
1392           DisplaySliders(i,column-1);
1393           std::map<std::string,int> overlay_counts;
1394           for (int child = 0; child < current_row->childCount(); child++) {
1395             std::string overlay_type =
1396               current_row->child(child)->data(1,Qt::UserRole).toString().toStdString();
1397             overlay_counts[overlay_type]++;
1398             current_row->child(child)->setData(column,Qt::CheckStateRole,
1399                                                current_row->data(column,Qt::CheckStateRole));
1400             clicked_slicer->SetActorVisibility(overlay_type,overlay_counts[overlay_type]-1,true);
1401           }
1402         } else { //We don't allow simply desactivating a slicer
1403           clicked_item->setData(column,Qt::CheckStateRole,2);
1404           return;
1405         }
1406       }
1407       //if we clicked on the vector(or overlay) and not the image
1408       else {
1409         if (clicked_item->data(column,Qt::CheckStateRole).toInt()) {
1410           current_row->setData(column,Qt::CheckStateRole,2);
1411           mSlicerManagers[i]->UpdateSlicer(column-1,2);
1412           mSlicerManagers[i]->UpdateInfoOnCursorPosition(column-1);
1413           DisplaySliders(i,column-1);
1414         }
1415         int vis = clicked_item->data(column,Qt::CheckStateRole).toInt();
1416         std::string overlay_type = clicked_item->data(1,Qt::UserRole).toString().toStdString();
1417         int overlay_index=0;
1418         for (int child = 0; child < current_row->childCount(); child++) {
1419           if (current_row->child(child)->data(1,Qt::UserRole).toString().toStdString() == overlay_type)
1420             overlay_index++;
1421           if (current_row->child(child) == clicked_item) break;
1422         }
1423         clicked_slicer->SetActorVisibility(
1424           clicked_item->data(1,Qt::UserRole).toString().toStdString(), overlay_index-1,vis);
1425       }
1426     } else if (current_row->data(column,Qt::CheckStateRole).toInt() > 0) {
1427       current_row->setData(column,Qt::CheckStateRole,0);
1428       mSlicerManagers[i]->UpdateSlicer(column-1,0);
1429       std::map<std::string,int> overlay_counts;
1430       for (int child = 0; child < current_row->childCount(); child++) {
1431         std::string overlay_type =
1432           current_row->child(child)->data(1,Qt::UserRole).toString().toStdString();
1433         overlay_counts[overlay_type]++;
1434         current_row->child(child)->setData(column,Qt::CheckStateRole,0);
1435         vvSlicer * current_slicer=mSlicerManagers[i]->GetSlicer(column-1);
1436         current_slicer->SetActorVisibility(overlay_type,overlay_counts[overlay_type]-1,false);
1437       }
1438     }
1439     //mSlicerManagers[i]->SetColorMap(-1);
1440     mSlicerManagers[i]->SetColorMap();
1441   }
1442   mSlicerManagers[index]->GetSlicer(column-1)->Render();
1443 }
1444 //------------------------------------------------------------------------------
1445
1446 void vvMainWindow::InitSlicers()
1447 {
1448   if (mSlicerManagers.size()) {
1449     mSlicerManagers.back()->GenerateDefaultLookupTable();
1450
1451     mSlicerManagers.back()->SetSlicerWindow(0,NOViewWidget->GetRenderWindow());
1452     mSlicerManagers.back()->SetSlicerWindow(1,NEViewWidget->GetRenderWindow());
1453     mSlicerManagers.back()->SetSlicerWindow(2,SOViewWidget->GetRenderWindow());
1454     mSlicerManagers.back()->SetSlicerWindow(3,SEViewWidget->GetRenderWindow());
1455   }
1456 }
1457
1458 //------------------------------------------------------------------------------
1459 void vvMainWindow::InitDisplay()
1460 {
1461   if (mSlicerManagers.size()) {
1462     //BE CAREFUL : this is absolutely necessary to set the interactor style
1463     //in order to have the same style instanciation for all SlicerManagers in
1464     // a same window
1465     for (int j = 0; j < 4; j++) {
1466       vvInteractorStyleNavigator* style = vvInteractorStyleNavigator::New();
1467       style->SetAutoAdjustCameraClippingRange(1);
1468       bool AlreadySelected = false;
1469       for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1470         mSlicerManagers[i]->SetInteractorStyleNavigator(j,style);
1471
1472         //select the image only if previous are not selected
1473         if (DataTree->topLevelItem(i)->data(j+1,Qt::CheckStateRole).toInt() > 1) {
1474           mSlicerManagers[i]->UpdateSlicer(j,1);
1475           AlreadySelected = true;
1476         } else if (i == DataTree->topLevelItemCount()-1 && !AlreadySelected) {
1477           if (DataTree->selectedItems().size() == 0)
1478             DataTree->topLevelItem(i)->setSelected(1);
1479           DataTree->topLevelItem(i)->setData(j+1,Qt::CheckStateRole,2);
1480           mSlicerManagers[i]->UpdateSlicer(j,1);
1481           DisplaySliders(i,j);
1482         } else {
1483           DataTree->topLevelItem(i)->setData(j+1,Qt::CheckStateRole,0);
1484           mSlicerManagers[i]->UpdateSlicer(j,0);
1485         }
1486       }
1487       style->Delete();
1488     }
1489   }
1490 }
1491 //------------------------------------------------------------------------------
1492
1493 //------------------------------------------------------------------------------
1494 void vvMainWindow::DisplaySliders(int slicer, int window)
1495 {
1496   int range[2];
1497   mSlicerManagers[slicer]->GetSlicer(window)->GetSliceRange(range);
1498   int position = mSlicerManagers[slicer]->GetSlicer(window)->GetSlice();
1499
1500   int tRange[2];
1501   tRange[0] = 0;
1502   tRange[1] = mSlicerManagers[slicer]->GetSlicer(window)->GetTMax();
1503   int tPosition = mSlicerManagers[slicer]->GetSlicer(window)->GetTSlice();
1504   bool showHorizontal = false;
1505   bool showVertical = false;
1506   if (mSlicerManagers[slicer]->GetSlicer(window)->GetImage()->GetNumberOfDimensions() > 3
1507       || (mSlicerManagers[slicer]->GetSlicer(window)->GetImage()->GetNumberOfDimensions() > 2
1508           && mSlicerManagers[slicer]->GetType() != vvImageReader::IMAGEWITHTIME
1509           && mSlicerManagers[slicer]->GetType() != vvImageReader::MERGEDWITHTIME))
1510     showVertical = true;
1511   if (mSlicerManagers[slicer]->GetSlicer(window)->GetImage()->GetNumberOfDimensions() > 3
1512       || mSlicerManagers[slicer]->GetType() == vvImageReader::IMAGEWITHTIME
1513       || mSlicerManagers[slicer]->GetType() == vvImageReader::MERGEDWITHTIME)
1514     showHorizontal = true;
1515
1516   if (showVertical)
1517     verticalSliders[window]->show();
1518   else
1519     verticalSliders[window]->hide();
1520   verticalSliders[window]->setRange(range[0],range[1]);
1521   verticalSliders[window]->setValue(position);
1522
1523   if (showHorizontal)
1524     horizontalSliders[window]->show();
1525   else
1526     horizontalSliders[window]->hide();
1527   horizontalSliders[window]->setRange(tRange[0],tRange[1]);
1528   horizontalSliders[window]->setValue(tPosition);
1529 }
1530 //------------------------------------------------------------------------------
1531
1532 //------------------------------------------------------------------------------
1533 void vvMainWindow::CloseImage(QTreeWidgetItem* item, int column)
1534 {
1535   int index = GetSlicerIndexFromItem(item);
1536
1537   if (DataTree->topLevelItem(index) != item) {
1538     QString warning = "Do you really want to close the overlay : ";
1539     warning += item->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1540     QMessageBox msgBox(QMessageBox::Warning, tr("Close Overlay"),
1541                        warning, 0, this);
1542     msgBox.addButton(tr("Close"), QMessageBox::AcceptRole);
1543     msgBox.addButton(tr("Cancel"), QMessageBox::RejectRole);
1544     if (msgBox.exec() == QMessageBox::AcceptRole) {
1545       std::string overlay_type=item->data(1,Qt::UserRole).toString().toStdString();
1546       int overlay_index=0;
1547       for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++) {
1548         if (DataTree->topLevelItem(index)->\
1549             child(child)->data(1,Qt::UserRole).toString().toStdString() == overlay_type)
1550           overlay_index++;
1551         if (DataTree->topLevelItem(index)->child(child) == item) break;
1552       }
1553       mSlicerManagers[index]->RemoveActor(overlay_type, overlay_index-1);
1554       mSlicerManagers[index]->SetColorMap(0);
1555       DataTree->topLevelItem(index)->takeChild(DataTree->topLevelItem(index)->indexOfChild(item));
1556       mSlicerManagers[index]->Render();
1557     }
1558   } else if (DataTree->topLevelItemCount() <= 1) {
1559     QString warning = "Do you really want to close the image : ";
1560     warning += item->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1561     warning += "\nThis is the last image, you're about to close vv !!!";
1562     QMessageBox msgBox(QMessageBox::Warning, tr("Close Image"),
1563                        warning, 0, this);
1564     msgBox.addButton(tr("Close vv"), QMessageBox::AcceptRole);
1565     msgBox.addButton(tr("Cancel"), QMessageBox::RejectRole);
1566     if (msgBox.exec() == QMessageBox::AcceptRole) {
1567       this->close();
1568     }
1569   } else {
1570     QString warning = "Do you really want to close the image : ";
1571     warning += item->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1572     QMessageBox msgBox(QMessageBox::Warning, tr("Close Image"),
1573                        warning, 0, this);
1574     msgBox.addButton(tr("Close"), QMessageBox::AcceptRole);
1575     msgBox.addButton(tr("Cancel"), QMessageBox::RejectRole);
1576     if (msgBox.exec() == QMessageBox::AcceptRole) {
1577
1578       // Tell tools that we close an image
1579       emit AnImageIsBeingClosed(mSlicerManagers[index]);
1580
1581       std::vector<vvSlicerManager*>::iterator Manageriter = mSlicerManagers.begin();
1582       DataTree->takeTopLevelItem(index);
1583       for (int i = 0; i < index; i++) {
1584         Manageriter++;
1585       }
1586       linkPanel->removeImage(index);
1587       mSlicerManagers[index]->RemoveActors();
1588       delete mSlicerManagers[index];
1589       mSlicerManagers.erase(Manageriter);
1590
1591       //
1592       InitDisplay();
1593     }
1594   }
1595   ImageInfoChanged();
1596 }
1597 //------------------------------------------------------------------------------
1598
1599 //------------------------------------------------------------------------------
1600 void vvMainWindow::ReloadImage(QTreeWidgetItem* item, int column)
1601 {
1602   // int index = GetSlicerIndexFromItem(item);
1603   //   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1604   //   if (item->data(1,Qt::UserRole).toString() == "vector")
1605   //     mSlicerManagers[index]->ReloadVF();
1606   //   else
1607   //     mSlicerManagers[index]->Reload();
1608
1609   //   QApplication::restoreOverrideCursor();
1610   int index = GetSlicerIndexFromItem(item);
1611   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1612   QString role=item->data(1,Qt::UserRole).toString();
1613   if ( role == "vector")
1614     mSlicerManagers[index]->ReloadVF();
1615   else if (role == "overlay")
1616     mSlicerManagers[index]->ReloadOverlay();
1617   else if (role == "fusion")
1618     mSlicerManagers[index]->ReloadFusion();
1619   else
1620     mSlicerManagers[index]->Reload();
1621
1622   // Update view and info
1623   ImageInfoChanged();
1624   mSlicerManagers[index]->Render();
1625   QApplication::restoreOverrideCursor();
1626 }
1627 //------------------------------------------------------------------------------
1628
1629 //------------------------------------------------------------------------------
1630 void vvMainWindow::MousePositionChanged(int visibility,double x, double y, double z, double X, double Y, double Z , double value)
1631 {
1632   infoPanel->setCurrentInfo(visibility,x,y,z,X,Y,Z,value);
1633 }
1634 //------------------------------------------------------------------------------
1635
1636 //------------------------------------------------------------------------------
1637 void vvMainWindow::VectorChanged(int visibility,double x, double y, double z, double value)
1638 {
1639   overlayPanel->getCurrentVectorInfo(visibility,x,y,z,value);
1640 }
1641 //------------------------------------------------------------------------------
1642
1643 //------------------------------------------------------------------------------
1644 void vvMainWindow::OverlayChanged(int visibility, double valueOver, double valueRef)
1645 {
1646   overlayPanel->getCurrentOverlayInfo(visibility,valueOver, valueRef);
1647 }
1648 //------------------------------------------------------------------------------
1649
1650 //------------------------------------------------------------------------------
1651 void vvMainWindow::FusionChanged(int visibility, double value)
1652 {
1653   overlayPanel->getCurrentFusionInfo(visibility,value);
1654 }
1655 //------------------------------------------------------------------------------
1656
1657 //------------------------------------------------------------------------------
1658 void vvMainWindow::WindowsChanged(int window, int view, int slice)
1659 {
1660   infoPanel->setViews(window, view, slice);
1661 }
1662 //------------------------------------------------------------------------------
1663
1664 //------------------------------------------------------------------------------
1665 void vvMainWindow::WindowLevelChanged(double window, double level,int preset,int colormap)
1666 {
1667   windowSpinBox->setValue(window);
1668   levelSpinBox->setValue(level);
1669   colorMapComboBox->setCurrentIndex(colormap);
1670   presetComboBox->setCurrentIndex(preset);
1671 }
1672 //------------------------------------------------------------------------------
1673
1674 //------------------------------------------------------------------------------
1675 void vvMainWindow::WindowLevelEdited()
1676 {
1677   presetComboBox->setCurrentIndex(6);
1678   UpdateWindowLevel();
1679 }
1680 //------------------------------------------------------------------------------
1681
1682 //------------------------------------------------------------------------------
1683 void vvMainWindow::UpdateWindowLevel()
1684 {
1685   if (DataTree->selectedItems().size()) {
1686     if (presetComboBox->currentIndex() == 7) //For ventilation
1687       colorMapComboBox->setCurrentIndex(5);
1688     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1689     mSlicerManagers[index]->SetColorWindow(windowSpinBox->value());
1690     mSlicerManagers[index]->SetColorLevel(levelSpinBox->value());
1691     mSlicerManagers[index]->SetPreset(presetComboBox->currentIndex());
1692     mSlicerManagers[index]->Render();
1693     windowSpinBox->setValue(mSlicerManagers[index]->GetColorWindow());
1694     levelSpinBox->setValue(mSlicerManagers[index]->GetColorLevel());
1695   }
1696 }
1697 //------------------------------------------------------------------------------
1698
1699 //------------------------------------------------------------------------------
1700 void vvMainWindow::UpdateColorMap()
1701 {
1702   if (DataTree->selectedItems().size()) {
1703     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1704     mSlicerManagers[index]->SetColorMap(colorMapComboBox->currentIndex());
1705     mSlicerManagers[index]->Render();
1706   }
1707 }
1708 //------------------------------------------------------------------------------
1709 void vvMainWindow::SwitchWindowLevel()
1710 {
1711   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1712   int window = mSlicerManagers[index]->GetColorWindow();
1713   presetComboBox->setCurrentIndex(6);
1714   windowSpinBox->setValue(-window);
1715   UpdateWindowLevel();
1716 }
1717 //------------------------------------------------------------------------------
1718
1719 //------------------------------------------------------------------------------
1720 void vvMainWindow::ApplyWindowLevelToAllImages()
1721 {
1722   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1723     if (mSlicerManagers[i] == NULL)
1724       continue;
1725     mSlicerManagers[i]->SetColorWindow(windowSpinBox->value());
1726     mSlicerManagers[i]->SetColorLevel(levelSpinBox->value());
1727     mSlicerManagers[i]->SetPreset(6);
1728     mSlicerManagers[i]->Render();
1729   }
1730 }
1731 //------------------------------------------------------------------------------
1732
1733 //------------------------------------------------------------------------------
1734 void vvMainWindow::UpdateLinkManager(std::string id, int slicer, double x, double y, double z, int temps)
1735 {
1736   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1737     if (mSlicerManagers[i]->GetId() == id) {
1738       //mSlicerManagers[i]->SetTSlice(temps);
1739       mSlicerManagers[i]->GetSlicer(slicer)->SetCurrentPosition(x,y,z,temps);
1740       mSlicerManagers[i]->UpdateViews(0,slicer);
1741       break;
1742     }
1743   }
1744 }
1745 //------------------------------------------------------------------------------
1746
1747 //------------------------------------------------------------------------------
1748 void vvMainWindow::UpdateLinkedNavigation(std::string id, vvSlicerManager * sm, vvSlicer* refSlicer)
1749 {
1750   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1751     if (id == mSlicerManagers[i]->GetId()) {
1752       mSlicerManagers[i]->UpdateLinkedNavigation(refSlicer);
1753     }
1754   }
1755 }
1756 //------------------------------------------------------------------------------
1757
1758 //------------------------------------------------------------------------------
1759 void vvMainWindow::ShowContextMenu(QPoint point)
1760 {
1761   if (!DataTree->selectedItems().size()) {
1762     contextActions[1]->setEnabled(0);
1763     contextActions[2]->setEnabled(0);
1764     contextActions[3]->setEnabled(0);
1765     contextActions[4]->setEnabled(0);
1766     contextActions[5]->setEnabled(0);
1767     contextActions[6]->setEnabled(0);
1768   } else {
1769     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1770     contextActions[1]->setEnabled(1);
1771     contextActions[2]->setEnabled(
1772       DataTree->itemWidget(DataTree->selectedItems()[0],
1773                            COLUMN_RELOAD_IMAGE)->isEnabled());
1774     contextActions[3]->setEnabled(1);
1775     contextActions[5]->setEnabled(1);
1776     contextActions[6]->setEnabled(1);
1777
1778     if (mSlicerManagers[index]->GetDimension() < 3)
1779       contextActions[4]->setEnabled(0);
1780     else
1781       contextActions[4]->setEnabled(1);
1782   }
1783   contextMenu.exec(QCursor::pos());
1784 }
1785 //------------------------------------------------------------------------------
1786
1787 //------------------------------------------------------------------------------
1788 void vvMainWindow::CloseImage()
1789 {
1790   CloseImage(DataTree->selectedItems()[0],0);
1791 }
1792 //------------------------------------------------------------------------------
1793
1794 //------------------------------------------------------------------------------
1795 void vvMainWindow::ReloadImage()
1796 {
1797   ReloadImage(DataTree->selectedItems()[0],0);
1798 }
1799 //------------------------------------------------------------------------------
1800
1801 //------------------------------------------------------------------------------
1802 void vvMainWindow::SelectOverlayImage()
1803 {
1804   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1805
1806   //check if one overlay image is added
1807   for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++)
1808     if (DataTree->topLevelItem(index)->child(child)->data(1,Qt::UserRole).toString() == "overlay") {
1809       QString error = "Cannot add more than one compared image\n";
1810       error += "Please remove first ";
1811       error += DataTree->topLevelItem(index)->child(child)->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1812       QMessageBox::information(this,tr("Problem adding compared image !"),error);
1813       return;
1814     }
1815
1816   QString Extensions = EXTENSIONS;
1817   Extensions += ";;All Files (*)";
1818   QString file = QFileDialog::getOpenFileName(this,tr("Load Overlay image"),mInputPathName,Extensions);
1819   if (!file.isEmpty())
1820     AddOverlayImage(index,file);
1821 }
1822 //------------------------------------------------------------------------------
1823
1824 //------------------------------------------------------------------------------
1825 void vvMainWindow::AddOverlayImage(int index, QString file)
1826 {
1827
1828   mInputPathName = itksys::SystemTools::GetFilenamePath(file.toStdString()).c_str();
1829   itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
1830                                        file.toStdString().c_str(), itk::ImageIOFactory::ReadMode);
1831   reader->SetFileName(file.toStdString().c_str());
1832   reader->ReadImageInformation();
1833   std::string component = reader->GetComponentTypeAsString(reader->GetComponentType());
1834   int dimension = reader->GetNumberOfDimensions();
1835   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1836   vvProgressDialog progress("Opening " + file.toStdString());
1837   qApp->processEvents();
1838
1839   std::string filename = itksys::SystemTools::GetFilenameWithoutExtension(file.toStdString()).c_str();
1840   if (mSlicerManagers[index]->SetOverlay(file.toStdString(),dimension, component)) {
1841     //create an item in the tree with good settings
1842     QTreeWidgetItem *item = new QTreeWidgetItem();
1843     item->setData(0,Qt::UserRole,file.toStdString().c_str());
1844     item->setData(1,Qt::UserRole,tr("overlay"));
1845     QFileInfo fileinfo(file); //Do not show the path
1846     item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
1847     item->setToolTip(COLUMN_IMAGE_NAME,fileinfo.absoluteFilePath());
1848     qApp->processEvents();
1849
1850     for (int j = 1; j <= 4; j++) {
1851       item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
1852       mSlicerManagers[index]->GetSlicer(j-1)->SetActorVisibility("overlay",0,
1853           DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole).toInt());
1854     }
1855
1856     //Create the buttons for reload and close
1857     qApp->processEvents();
1858     QTreePushButton* cButton = new QTreePushButton;
1859     cButton->setItem(item);
1860     cButton->setColumn(COLUMN_CLOSE_IMAGE);
1861     cButton->setToolTip(tr("close image"));
1862     cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
1863     connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
1864             this,SLOT(CloseImage(QTreeWidgetItem*, int)));
1865
1866     QTreePushButton* rButton = new QTreePushButton;
1867     rButton->setItem(item);
1868     rButton->setColumn(COLUMN_RELOAD_IMAGE);
1869     rButton->setToolTip(tr("reload image"));
1870     rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
1871     connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
1872             this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
1873
1874     DataTree->topLevelItem(index)->setExpanded(1);
1875     DataTree->topLevelItem(index)->addChild(item);
1876     DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
1877     DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
1878
1879     //set the id of the image
1880     QString id = DataTree->topLevelItem(index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
1881     item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
1882     UpdateTree();
1883     qApp->processEvents();
1884     ImageInfoChanged();
1885     QApplication::restoreOverrideCursor();
1886   } else {
1887     QApplication::restoreOverrideCursor();
1888     QString error = "Cannot import the new image.\n";
1889     error += mSlicerManagers[index]->GetLastError().c_str();
1890     QMessageBox::information(this,tr("Problem reading image !"),error);
1891   }
1892 }
1893 //------------------------------------------------------------------------------
1894
1895
1896 //------------------------------------------------------------------------------
1897 void vvMainWindow::AddROI(int index, QString file)
1898 {
1899   /*
1900   // Get slice manager
1901
1902   // Load image
1903
1904   vvImageReader * mReader = new vvImageReader;
1905   mReader->SetInputFilename(filename.toStdString());
1906   mReader->Update(IMAGE);
1907   if (mReader->GetLastError().size() != 0) {
1908     std::cerr << "Error while reading " << filename.toStdString() << std::endl;
1909     QString error = "Cannot open file \n";
1910     error += mReader->GetLastError().c_str();
1911     QMessageBox::information(this,tr("Reading problem"),error);
1912     delete mReader;
1913     return;
1914   }
1915   vvImage::Pointer roi = mReader->GetOutput();
1916
1917   // Create roi in new tool
1918   vvToolStructureSetManager::AddImage(mCurrentSlicerManager, roi);
1919   */
1920 }
1921 //------------------------------------------------------------------------------
1922
1923 //------------------------------------------------------------------------------
1924 void vvMainWindow::SelectFusionImage()
1925 {
1926   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1927
1928   //check if one fusion image is added
1929   for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++)
1930     if (DataTree->topLevelItem(index)->child(child)->data(1,Qt::UserRole).toString() == "fusion") {
1931       QString error = "Cannot add more than one fusion image\n";
1932       error += "Please remove first ";
1933       error += DataTree->topLevelItem(index)->child(child)->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1934       QMessageBox::information(this,tr("Problem adding fusion image !"),error);
1935       return;
1936     }
1937
1938   QString Extensions = EXTENSIONS;
1939   Extensions += ";;All Files (*)";
1940   QString file = QFileDialog::getOpenFileName(this,tr("Load Fusion image"),mInputPathName,Extensions);
1941   if (!file.isEmpty())
1942     AddFusionImage(index,file);
1943 }
1944 //------------------------------------------------------------------------------
1945
1946 //------------------------------------------------------------------------------
1947 void vvMainWindow::AddFusionImage(int index, QString file)
1948 {
1949   mInputPathName = itksys::SystemTools::GetFilenamePath(file.toStdString()).c_str();
1950   itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
1951                                        file.toStdString().c_str(), itk::ImageIOFactory::ReadMode);
1952   reader->SetFileName(file.toStdString().c_str());
1953   reader->ReadImageInformation();
1954   std::string component = reader->GetComponentTypeAsString(reader->GetComponentType());
1955   if (reader) {
1956     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1957     vvProgressDialog progress("Opening fusion");
1958     qApp->processEvents();
1959
1960     std::string filename = itksys::SystemTools::GetFilenameWithoutExtension(file.toStdString()).c_str();
1961     if (mSlicerManagers[index]->SetFusion(file.toStdString(),
1962                                           reader->GetNumberOfDimensions(), component)) {
1963       //create an item in the tree with good settings
1964       QTreeWidgetItem *item = new QTreeWidgetItem();
1965       item->setData(0,Qt::UserRole,file.toStdString().c_str());
1966       item->setData(1,Qt::UserRole,tr("fusion"));
1967       QFileInfo fileinfo(filename.c_str()); //Do not show the path
1968       item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
1969       item->setToolTip(COLUMN_IMAGE_NAME,fileinfo.absoluteFilePath());
1970       qApp->processEvents();
1971
1972       for (int j = 1; j <= 4; j++) {
1973         item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
1974         mSlicerManagers[index]->GetSlicer(j-1)->SetActorVisibility("fusion",0,
1975             DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole).toInt());
1976       }
1977
1978       //Create the buttons for reload and close
1979       qApp->processEvents();
1980       QTreePushButton* cButton = new QTreePushButton;
1981       cButton->setItem(item);
1982       cButton->setColumn(COLUMN_CLOSE_IMAGE);
1983       cButton->setToolTip(tr("close image"));
1984       cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
1985       connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
1986               this,SLOT(CloseImage(QTreeWidgetItem*, int)));
1987
1988       QTreePushButton* rButton = new QTreePushButton;
1989       rButton->setItem(item);
1990       rButton->setColumn(COLUMN_RELOAD_IMAGE);
1991       rButton->setToolTip(tr("reload image"));
1992       rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
1993       connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
1994               this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
1995
1996       DataTree->topLevelItem(index)->setExpanded(1);
1997       DataTree->topLevelItem(index)->addChild(item);
1998       DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
1999       DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
2000
2001       //set the id of the image
2002       QString id = DataTree->topLevelItem(index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
2003       item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
2004       UpdateTree();
2005       qApp->processEvents();
2006       ImageInfoChanged();
2007       QApplication::restoreOverrideCursor();
2008     } else {
2009       QApplication::restoreOverrideCursor();
2010       QString error = "Cannot import the new image.\n";
2011       error += mSlicerManagers[index]->GetLastError().c_str();
2012       QMessageBox::information(this,tr("Problem reading image !"),error);
2013     }
2014   } else {
2015     QString error = "Cannot import the new image.\n";
2016     QMessageBox::information(this,tr("Problem reading image !"),error);
2017   }
2018 }
2019 //------------------------------------------------------------------------------
2020
2021
2022 //------------------------------------------------------------------------------
2023 void vvMainWindow::OpenField()
2024 {
2025   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2026   //check if a vector field has already been added
2027   for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++)
2028     if (DataTree->topLevelItem(index)->child(child)->data(1,Qt::UserRole).toString() == "vector") {
2029       QString error = "Cannot add more than one vector field\n";
2030       error += "Please remove first ";
2031       error += DataTree->topLevelItem(index)->child(child)->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
2032       QMessageBox::information(this,tr("Problem adding vector field!"),error);
2033       return;
2034     }
2035
2036   QString Extensions = "Images ( *.mhd)";
2037   Extensions += ";;Images ( *.vf)";
2038   QString file = QFileDialog::getOpenFileName(this,tr("Load deformation field"),mInputPathName,Extensions);
2039   if (!file.isEmpty())
2040     AddField(file,index);
2041 }
2042 //------------------------------------------------------------------------------
2043
2044
2045 //------------------------------------------------------------------------------
2046 void vvMainWindow::AddFieldEntry(QString filename,int index,bool from_disk)
2047 {
2048   //create an item in the tree with good settings
2049   QTreeWidgetItem *item = new QTreeWidgetItem();
2050   item->setData(0,Qt::UserRole,filename.toStdString().c_str());
2051   item->setData(1,Qt::UserRole,tr("vector"));
2052   QFileInfo fileinfo(filename); //Do not show the path
2053   item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
2054   item->setToolTip(COLUMN_IMAGE_NAME,fileinfo.absoluteFilePath());
2055   qApp->processEvents();
2056
2057   for (int j = 1; j <= 4; j++) {
2058     item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
2059     mSlicerManagers[index]->GetSlicer(j-1)->SetActorVisibility("vector",0,
2060         DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole).toInt());
2061   }
2062
2063   //Create the buttons for reload and close
2064   qApp->processEvents();
2065   QTreePushButton* cButton = new QTreePushButton;
2066   cButton->setItem(item);
2067   cButton->setColumn(COLUMN_CLOSE_IMAGE);
2068   cButton->setToolTip(tr("close vector field"));
2069   cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
2070   connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2071           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
2072
2073   QTreePushButton* rButton = new QTreePushButton;
2074   rButton->setItem(item);
2075   rButton->setColumn(COLUMN_RELOAD_IMAGE);
2076   rButton->setToolTip(tr("reload vector field"));
2077   rButton->setEnabled(from_disk);
2078   rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
2079   connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2080           this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
2081
2082   DataTree->topLevelItem(index)->setExpanded(1);
2083   DataTree->topLevelItem(index)->addChild(item);
2084   DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
2085   DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
2086
2087   //set the id of the image
2088   QString id = DataTree->topLevelItem(index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
2089   item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
2090   UpdateTree();
2091   qApp->processEvents();
2092   ImageInfoChanged();
2093   QApplication::restoreOverrideCursor();
2094 }
2095 //------------------------------------------------------------------------------
2096
2097
2098 //------------------------------------------------------------------------------
2099 void vvMainWindow::AddField(vvImage::Pointer vf,QString file,int index)
2100 {
2101   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2102   vvSlicerManager* imageManager = mSlicerManagers[index];
2103   if (imageManager->SetVF(vf,file.toStdString())) {
2104     AddFieldEntry(file,index,false);
2105   } else {
2106     QString error = "Cannot import the vector field for this image.\n";
2107     error += imageManager->GetLastError().c_str();
2108     QMessageBox::information(this,tr("Problem reading VF !"),error);
2109   }
2110   QApplication::restoreOverrideCursor();
2111 }
2112 //------------------------------------------------------------------------------
2113
2114
2115 //------------------------------------------------------------------------------
2116 void vvMainWindow::AddField(QString file,int index)
2117 {
2118   if (QFile::exists(file)) {
2119     mInputPathName = itksys::SystemTools::GetFilenamePath(file.toStdString()).c_str();
2120
2121     //init the progress events
2122     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2123     vvProgressDialog progress("Opening " + file.toStdString());
2124     qApp->processEvents();
2125
2126     //read the vector and put it in the current mSlicerManager
2127     vvSlicerManager* imageManager = mSlicerManagers[index];
2128     qApp->processEvents();
2129
2130     std::string filename = itksys::SystemTools::GetFilenameWithoutExtension(file.toStdString()).c_str();
2131     if (imageManager->SetVF(file.toStdString())) {
2132       imageManager->Render();
2133       AddFieldEntry(file,index,true);
2134     } else {
2135       QApplication::restoreOverrideCursor();
2136       QString error = "Cannot import the vector field for this image.\n";
2137       error += imageManager->GetLastError().c_str();
2138       QMessageBox::information(this,tr("Problem reading VF !"),error);
2139     }
2140   } else
2141     QMessageBox::information(this,tr("Problem reading VF !"),"File doesn't exist!");
2142
2143 }
2144 //------------------------------------------------------------------------------
2145
2146
2147 //------------------------------------------------------------------------------
2148 void vvMainWindow::SetVFProperty(int subsampling, int scale, int log, int width, double r, double g, double b)
2149 {
2150   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2151   if (mSlicerManagers[index]->GetSlicer(0)->GetVF()) {
2152     for (int i = 0; i < 4; i++) {
2153       mSlicerManagers[index]->GetSlicer(i)->SetVFSubSampling(subsampling);
2154       mSlicerManagers[index]->GetSlicer(i)->SetVFScale(scale);
2155       mSlicerManagers[index]->GetSlicer(i)->SetVFWidth(width);
2156       mSlicerManagers[index]->GetSlicer(i)->SetVFColor(r,g,b);
2157       if (log > 0)
2158         mSlicerManagers[index]->GetSlicer(i)->SetVFLog(1);
2159       else
2160         mSlicerManagers[index]->GetSlicer(i)->SetVFLog(0);
2161     }
2162   }
2163 }
2164 //------------------------------------------------------------------------------
2165
2166
2167 //------------------------------------------------------------------------------
2168 void vvMainWindow::SetOverlayProperty(int color)
2169 {
2170   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2171   if (mSlicerManagers[index]->GetSlicer(0)->GetOverlay()) {
2172     mSlicerManagers[index]->SetOverlayColor(color);
2173     mSlicerManagers[index]->SetColorMap(0);
2174     mSlicerManagers[index]->Render();
2175   }
2176 }
2177 //------------------------------------------------------------------------------
2178
2179 //------------------------------------------------------------------------------
2180 void vvMainWindow::SetFusionProperty(int opacity, int colormap,double window, double level)
2181 {
2182   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2183   if (mSlicerManagers[index]->GetSlicer(0)->GetFusion()) {
2184     mSlicerManagers[index]->SetFusionOpacity(opacity);
2185     mSlicerManagers[index]->SetFusionColorMap(colormap);
2186     mSlicerManagers[index]->SetFusionWindow(window);
2187     mSlicerManagers[index]->SetFusionLevel(level);
2188     mSlicerManagers[index]->SetColorMap(0);
2189     mSlicerManagers[index]->Render();
2190   }
2191 }
2192 //------------------------------------------------------------------------------
2193
2194 //------------------------------------------------------------------------------
2195 void vvMainWindow::SaveAs()
2196 {
2197   if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "vector") {
2198     QMessageBox::warning(this,tr("Unsupported type"),tr("Sorry, saving a vector field is unsupported for the moment"));
2199     return;
2200   }
2201
2202   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2203   int dimension = mSlicerManagers[index]->GetDimension();
2204   QStringList OutputListeFormat;
2205   OutputListeFormat.clear();
2206   if (dimension == 1) {
2207     OutputListeFormat.push_back(".mhd");
2208   }
2209   if (dimension == 2) {
2210     OutputListeFormat.push_back(".bmp");
2211     OutputListeFormat.push_back(".png");
2212     OutputListeFormat.push_back(".jpeg");
2213     OutputListeFormat.push_back(".tif");
2214     OutputListeFormat.push_back(".mhd");
2215     OutputListeFormat.push_back(".hdr");
2216     OutputListeFormat.push_back(".vox");
2217   } else if (dimension == 3) {
2218     OutputListeFormat.push_back(".mhd");
2219     OutputListeFormat.push_back(".hdr");
2220     OutputListeFormat.push_back(".vox");
2221   } else if (dimension == 4) {
2222     OutputListeFormat.push_back(".mhd");
2223   }
2224   QString Extensions = "AllFiles(*.*)";
2225   for (int i = 0; i < OutputListeFormat.count(); i++) {
2226     Extensions += ";;Images ( *";
2227     Extensions += OutputListeFormat[i];
2228     Extensions += ")";
2229   }
2230   QString fileName = QFileDialog::getSaveFileName(this,
2231                      tr("Save As"),
2232                      mSlicerManagers[index]->GetFileName().c_str(),
2233                      Extensions);
2234   if (!fileName.isEmpty()) {
2235     std::string fileformat = itksys::SystemTools::GetFilenameLastExtension(fileName.toStdString());
2236     if (OutputListeFormat.contains(
2237           fileformat.c_str())) {
2238       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2239       std::string action = "Saving";
2240       vvProgressDialog progress("Saving "+fileName.toStdString());
2241       qApp->processEvents();
2242       vvImageWriter::Pointer writer = vvImageWriter::New();
2243       writer->SetOutputFileName(fileName.toStdString());
2244       writer->SetInput(mSlicerManagers[index]->GetImage());
2245       writer->Update();
2246       QApplication::restoreOverrideCursor();
2247       if (writer->GetLastError().size()) {
2248         QString error = "Saving did not succeed\n";
2249         error += writer->GetLastError().c_str();
2250         QMessageBox::information(this,tr("Saving Problem"),error);
2251         SaveAs();
2252       }
2253     } else {
2254       QString error = fileformat.c_str();
2255       if (error.isEmpty())
2256         error += "no file format specified !";
2257       else
2258         error += " format unknown !!!\n";
2259       QMessageBox::information(this,tr("Saving Problem"),error);
2260       SaveAs();
2261     }
2262   }
2263 }
2264 //------------------------------------------------------------------------------
2265
2266
2267 //------------------------------------------------------------------------------
2268 void vvMainWindow::AddLink(QString image1,QString image2)
2269 {
2270   unsigned int sm1 = 0;
2271   unsigned int sm2 = 0;
2272
2273   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2274     if (image1.toStdString() == mSlicerManagers[i]->GetId()) {
2275       mSlicerManagers[i]->AddLink(image2.toStdString());
2276       sm1 = i;
2277     }
2278     if (image2.toStdString() == mSlicerManagers[i]->GetId()) {
2279       mSlicerManagers[i]->AddLink(image1.toStdString());
2280       sm2 = i;
2281     }
2282   }
2283
2284   if (linkPanel->isLinkAll())   {
2285     emit UpdateLinkedNavigation(mSlicerManagers[sm1]->GetId(), mSlicerManagers[mCurrentPickedImageIndex], mSlicerManagers[mCurrentPickedImageIndex]->GetSlicer(0));
2286     emit UpdateLinkedNavigation(mSlicerManagers[sm2]->GetId(), mSlicerManagers[mCurrentPickedImageIndex], mSlicerManagers[mCurrentPickedImageIndex]->GetSlicer(0));
2287   }
2288   else {
2289     emit UpdateLinkedNavigation(mSlicerManagers[sm2]->GetId(), mSlicerManagers[sm1], mSlicerManagers[sm1]->GetSlicer(0));
2290   }
2291 }
2292
2293 //------------------------------------------------------------------------------
2294
2295
2296 //------------------------------------------------------------------------------
2297 void vvMainWindow::RemoveLink(QString image1,QString image2)
2298 {
2299   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2300     if (image1.toStdString() == mSlicerManagers[i]->GetId()) {
2301       mSlicerManagers[i]->RemoveLink(image2.toStdString());
2302     }
2303     if (image2.toStdString() == mSlicerManagers[i]->GetId()) {
2304       mSlicerManagers[i]->RemoveLink(image1.toStdString());
2305     }
2306   }
2307 }
2308 //------------------------------------------------------------------------------
2309
2310 //------------------------------------------------------------------------------
2311 void vvMainWindow::ChangeImageWithIndexOffset(vvSlicerManager *sm, int slicer, int offset)
2312 {
2313   int index = 0;
2314   while(sm != mSlicerManagers[index])
2315     index++;
2316   index = (index+offset) % mSlicerManagers.size();
2317
2318   QTreeWidgetItem* item = GetItemFromSlicerManager(mSlicerManagers[index]);
2319   //CurrentImageChanged(mSlicerManagers[index]->GetId()); //select new image
2320   item->setData(slicer+1,Qt::CheckStateRole,2);         //change checkbox
2321   DisplayChanged(item,slicer+1);
2322 }
2323 //------------------------------------------------------------------------------
2324
2325 void vvMainWindow::HorizontalSliderMoved(int value,int column, int slicer_index)
2326 {
2327   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2328     if (DataTree->topLevelItem(i)->data(column,Qt::CheckStateRole).toInt() > 1) {
2329       for (int j = 0; j < 4; j++) {
2330         mSlicerManagers[i]->SetTSliceInSlicer(value,j);
2331         //if (mSlicerManagers[i]->GetSlicer(j)->GetImageActor()->GetVisibility())
2332         //UpdateTSlice(j,value);
2333       }
2334       mSlicerManagers[i]->GetSlicer(slicer_index)->Render();
2335       break;
2336     }
2337   }
2338 }
2339 //------------------------------------------------------------------------------
2340
2341
2342 //------------------------------------------------------------------------------
2343 void vvMainWindow::NOHorizontalSliderMoved()
2344 {
2345   // if (mCurrentTime == NOHorizontalSlider->value()) return;
2346   HorizontalSliderMoved(NOHorizontalSlider->value(),COLUMN_UL_VIEW,0);
2347 //  mCurrentTime = NOHorizontalSlider->value();
2348 }
2349 //------------------------------------------------------------------------------
2350
2351
2352 //------------------------------------------------------------------------------
2353 void vvMainWindow::NEHorizontalSliderMoved()
2354 {
2355   // if (mCurrentTime == NEHorizontalSlider->value()) return;
2356   HorizontalSliderMoved(NEHorizontalSlider->value(),COLUMN_UR_VIEW,1);
2357 //  mCurrentTime = NEHorizontalSlider->value();
2358 }
2359 //------------------------------------------------------------------------------
2360
2361
2362 //------------------------------------------------------------------------------
2363 void vvMainWindow::SOHorizontalSliderMoved()
2364 {
2365   // if (mCurrentTime == SOHorizontalSlider->value()) return;
2366   HorizontalSliderMoved(SOHorizontalSlider->value(),COLUMN_DL_VIEW,2);
2367   // mCurrentTime = SOHorizontalSlider->value();
2368 }
2369 //------------------------------------------------------------------------------
2370
2371
2372 //------------------------------------------------------------------------------
2373 void vvMainWindow::SEHorizontalSliderMoved()
2374 {
2375   // if (mCurrentTime == SEHorizontalSlider->value()) return;
2376   HorizontalSliderMoved(SEHorizontalSlider->value(),COLUMN_DR_VIEW,3);
2377   // mCurrentTime = SEHorizontalSlider->value();
2378 }
2379 //------------------------------------------------------------------------------
2380
2381 //------------------------------------------------------------------------------
2382 void vvMainWindow::NOVerticalSliderChanged()
2383 {
2384   static int value=-1;
2385   if (value == NOVerticalSlider->value()) return;
2386   else value = NOVerticalSlider->value();
2387   //  int value = NOVerticalSlider->value();
2388   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2389     if (DataTree->topLevelItem(i)->data(COLUMN_UL_VIEW,Qt::CheckStateRole).toInt() > 1) {
2390       if (mSlicerManagers[i]->GetSlicer(0)->GetSlice() != value) {
2391         mSlicerManagers[i]->GetSlicer(0)->SetSlice(value);
2392         mSlicerManagers[i]->VerticalSliderHasChanged(0, value);
2393
2394         // If nor Update/Render -> slider not work
2395         // only render = ok navigation, but for contour Update needed but slower ?
2396
2397         mSlicerManagers[i]->UpdateSlice(0);  // <-- DS add this. Not too much update ? YES. but needed for ImageContour ...
2398         //mSlicerManagers[i]->GetSlicer(0)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2399       }
2400       break;
2401     }
2402   }
2403 }
2404 //------------------------------------------------------------------------------
2405
2406
2407 //------------------------------------------------------------------------------
2408 void vvMainWindow::NEVerticalSliderChanged()
2409 {
2410   static int value=-1;
2411   if (value == NEVerticalSlider->value()) return;
2412   else value = NEVerticalSlider->value();
2413   //  int value = NEVerticalSlider->value();
2414   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2415     if (DataTree->topLevelItem(i)->data(COLUMN_UR_VIEW,Qt::CheckStateRole).toInt() > 1) {
2416       if (mSlicerManagers[i]->GetSlicer(1)->GetSlice() != value) {
2417         mSlicerManagers[i]->GetSlicer(1)->SetSlice(value);
2418         mSlicerManagers[i]->VerticalSliderHasChanged(1, value);
2419         mSlicerManagers[i]->UpdateSlice(1);
2420         //mSlicerManagers[i]->GetSlicer(1)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2421       }
2422       break;
2423     }
2424   }
2425 }
2426 //------------------------------------------------------------------------------
2427
2428
2429 //------------------------------------------------------------------------------
2430 void vvMainWindow::SOVerticalSliderChanged()
2431 {
2432   static int value=-1;
2433   if (value == SOVerticalSlider->value()) return;
2434   else value = SOVerticalSlider->value();
2435   //int value = SOVerticalSlider->value();
2436   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2437     if (DataTree->topLevelItem(i)->data(COLUMN_DL_VIEW,Qt::CheckStateRole).toInt() > 1) {
2438       if (mSlicerManagers[i]->GetSlicer(2)->GetSlice() != value) {
2439         mSlicerManagers[i]->GetSlicer(2)->SetSlice(value);
2440         mSlicerManagers[i]->VerticalSliderHasChanged(2, value);
2441         mSlicerManagers[i]->UpdateSlice(2);
2442         //mSlicerManagers[i]->GetSlicer(2)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2443       }
2444       // else { DD("avoid SOVerticalSlider slicer update"); }
2445       break;
2446     }
2447   }
2448 }
2449 //------------------------------------------------------------------------------
2450
2451
2452 //------------------------------------------------------------------------------
2453 void vvMainWindow::SEVerticalSliderChanged()
2454 {
2455   static int value=-1;
2456   if (value == SEVerticalSlider->value()) return;
2457   else value = SEVerticalSlider->value();
2458   // int value = SEVerticalSlider->value();
2459   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2460     if (DataTree->topLevelItem(i)->data(COLUMN_DR_VIEW,Qt::CheckStateRole).toInt() > 1) {
2461       if (mSlicerManagers[i]->GetSlicer(3)->GetSlice() != value) {
2462         mSlicerManagers[i]->GetSlicer(3)->SetSlice(value);
2463         mSlicerManagers[i]->VerticalSliderHasChanged(3, value);
2464         mSlicerManagers[i]->UpdateSlice(3);
2465         //mSlicerManagers[i]->GetSlicer(3)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2466       }
2467       break;
2468     }
2469   }
2470 }
2471 //------------------------------------------------------------------------------
2472
2473
2474 //------------------------------------------------------------------------------
2475 void vvMainWindow::UpdateSlice(int slicer, int slice)
2476 {
2477   // DD("vvMainWindow::UpdateSlice");
2478 //   DD(slicer);
2479 //   DD(slice);
2480   if (slicer == 0) {
2481     //    if (slice != NOVerticalSlider->value())
2482     NOVerticalSlider->setValue(slice);
2483   } else {
2484     if (slicer == 1)
2485       NEVerticalSlider->setValue(slice);
2486     else {
2487       if (slicer == 2)
2488         SOVerticalSlider->setValue(slice);
2489       else {
2490         if (slicer == 3)
2491           SEVerticalSlider->setValue(slice);
2492       }
2493     }
2494   }
2495   // DD("vvMainWindow:UpdateSlice END");
2496 }
2497 //------------------------------------------------------------------------------
2498
2499
2500 //------------------------------------------------------------------------------
2501 void vvMainWindow::UpdateTSlice(int slicer, int slice)
2502 {
2503   switch (slicer) {
2504   case 0:
2505     NOHorizontalSlider->setValue(slice);
2506     break;
2507   case 1:
2508     NEHorizontalSlider->setValue(slice);
2509     break;
2510   case 2:
2511     SOHorizontalSlider->setValue(slice);
2512     break;
2513   case 3:
2514     SEHorizontalSlider->setValue(slice);
2515     break;
2516   }
2517 }
2518 //------------------------------------------------------------------------------
2519
2520
2521 //------------------------------------------------------------------------------
2522 void vvMainWindow::UpdateSliceRange(int slicer, int min, int max, int tmin, int tmax)
2523 {
2524   int position = int((min+max)/2);
2525   int tPosition = int((tmin+tmax)/2);
2526   if (slicer == 0) {
2527     NOVerticalSlider->setValue(position);
2528     NOVerticalSlider->setRange(min,max);
2529     NOHorizontalSlider->setRange(tmin,tmax);
2530     NOHorizontalSlider->setValue(tPosition);
2531   } else if (slicer == 1) {
2532     NEVerticalSlider->setValue(position);
2533     NEVerticalSlider->setRange(min,max);
2534     NEHorizontalSlider->setRange(tmin,tmax);
2535     NEHorizontalSlider->setValue(tPosition);
2536   } else if (slicer == 2) {
2537     SOVerticalSlider->setValue(position);
2538     SOVerticalSlider->setRange(min,max);
2539     SOHorizontalSlider->setRange(tmin,tmax);
2540     SOHorizontalSlider->setValue(tPosition);
2541   } else if (slicer == 3) {
2542     SEVerticalSlider->setValue(position);
2543     SEVerticalSlider->setRange(min,max);
2544     SEHorizontalSlider->setRange(tmin,tmax);
2545     SEHorizontalSlider->setValue(tPosition);
2546   }
2547 }
2548 //------------------------------------------------------------------------------
2549
2550
2551 //------------------------------------------------------------------------------
2552 void vvMainWindow::SaveNOScreenshot()
2553 {
2554   SaveScreenshot(NOViewWidget);
2555 }
2556 //------------------------------------------------------------------------------
2557
2558
2559 //------------------------------------------------------------------------------
2560 void vvMainWindow::SaveNEScreenshot()
2561 {
2562   SaveScreenshot(NEViewWidget);
2563 }
2564 //------------------------------------------------------------------------------
2565
2566
2567 //------------------------------------------------------------------------------
2568 void vvMainWindow::SaveSOScreenshot()
2569 {
2570   SaveScreenshot(SOViewWidget);
2571 }
2572 //------------------------------------------------------------------------------
2573
2574
2575 //------------------------------------------------------------------------------
2576 void vvMainWindow::SaveSEScreenshot()
2577 {
2578   SaveScreenshot(SEViewWidget);
2579 }
2580 //------------------------------------------------------------------------------
2581
2582
2583 //------------------------------------------------------------------------------
2584 void vvMainWindow::SaveScreenshot(QVTKWidget *widget)
2585 {
2586   QString Extensions = "Images( *.png);;";
2587   Extensions += "Images( *.jpg);;";
2588   Extensions += "Images( *.bmp);;";
2589   Extensions += "Images( *.tif);;";
2590   Extensions += "Images( *.ppm)";
2591 #ifdef VTK_USE_FFMPEG_ENCODER
2592   Extensions += "Images( *.avi)";
2593 #endif
2594 #ifdef VTK_USE_MPEG2_ENCODER
2595   Extensions += "Images( *.mpg)";
2596 #endif
2597
2598   int smIndex=GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2599   QString fileName = QFileDialog::getSaveFileName(this,
2600                      tr("Save As"),
2601                      itksys::SystemTools::GetFilenamePath(mSlicerManagers[smIndex]->GetFileName()).c_str(),
2602                      Extensions);
2603
2604   if (!fileName.isEmpty()) {
2605     vtkSmartPointer<vtkWindowToImageFilter> w2i = vtkSmartPointer<vtkWindowToImageFilter>::New();
2606     w2i->SetInput(widget->GetRenderWindow());
2607     w2i->Update();
2608     vtkImageData *image = w2i->GetOutput();
2609
2610     const char *ext = fileName.toStdString().c_str() + strlen(fileName.toStdString().c_str()) - 4;
2611     if (!strcmp(ext, ".bmp")) {
2612       vtkBMPWriter *bmp = vtkBMPWriter::New();
2613       bmp->SetInput(image);
2614       bmp->SetFileName(fileName.toStdString().c_str());
2615       bmp->Write();
2616       bmp->Delete();
2617     } else if (!strcmp(ext, ".tif")) {
2618       vtkTIFFWriter *tif = vtkTIFFWriter::New();
2619       tif->SetInput(image);
2620       tif->SetFileName(fileName.toStdString().c_str());
2621       tif->Write();
2622       tif->Delete();
2623     } else if (!strcmp(ext, ".ppm")) {
2624       vtkPNMWriter *pnm = vtkPNMWriter::New();
2625       pnm->SetInput(image);
2626       pnm->SetFileName(fileName.toStdString().c_str());
2627       pnm->Write();
2628       pnm->Delete();
2629     } else if (!strcmp(ext, ".png")) {
2630       vtkPNGWriter *png = vtkPNGWriter::New();
2631       png->SetInput(image);
2632       png->SetFileName(fileName.toStdString().c_str());
2633       png->Write();
2634       png->Delete();
2635     } else if (!strcmp(ext, ".jpg")) {
2636       vtkJPEGWriter *jpg = vtkJPEGWriter::New();
2637       jpg->SetInput(image);
2638       jpg->SetFileName(fileName.toStdString().c_str());
2639       jpg->Write();
2640       jpg->Delete();
2641 #ifdef VTK_USE_FFMPEG_ENCODER
2642     } else if (!strcmp(ext, ".avi")) {
2643       vtkFFMPEGWriter *mpg = vtkFFMPEGWriter::New();
2644       mpg->SetInput(image);
2645       mpg->SetFileName(fileName.toStdString().c_str());
2646       mpg->SetQuality(2);
2647       mpg->SetRate(5);
2648       mpg->Start();
2649
2650       vvImage * vvImg = mSlicerManagers[smIndex]->GetImage();
2651       int nSlice = vvImg->GetVTKImages().size();
2652       for(int i=0; i<nSlice; i++)
2653       {
2654         mSlicerManagers[smIndex]->SetNextTSlice(0);
2655         vtkSmartPointer<vtkWindowToImageFilter> w2i = vtkSmartPointer<vtkWindowToImageFilter>::New();
2656         w2i->SetInput(widget->GetRenderWindow());
2657         w2i->Update();
2658         mpg->SetInput(w2i->GetOutput());
2659         mpg->Write();
2660       }
2661       mpg->End();
2662       mpg->Delete();
2663 #endif
2664 #ifdef VTK_USE_MPEG2_ENCODER
2665     } else if (!strcmp(ext, ".mpg")) {
2666       vtkMPEG2Writer *mpg = vtkMPEG2Writer::New();
2667       mpg->SetInput(image);
2668       mpg->SetFileName(fileName.toStdString().c_str());
2669       mpg->Start();
2670
2671       vvImage * vvImg = mSlicerManagers[smIndex]->GetImage();
2672       int nSlice = vvImg->GetVTKImages().size();
2673       for(int i=0; i<nSlice; i++)
2674       {
2675         mSlicerManagers[smIndex]->SetNextTSlice(0);
2676         vtkSmartPointer<vtkWindowToImageFilter> w2i = vtkSmartPointer<vtkWindowToImageFilter>::New();
2677         w2i->SetInput(widget->GetRenderWindow());
2678         w2i->Update();
2679         mpg->SetInput(w2i->GetOutput());
2680         mpg->Write();
2681       }
2682       mpg->End();
2683       mpg->Delete();
2684 #endif
2685     } else {
2686       QMessageBox::information(this,tr("Problem saving screenshot !"),tr("Cannot save image.\nPlease set a file extension !!!"));
2687     }
2688   }
2689 }
2690 //------------------------------------------------------------------------------
2691
2692
2693 //------------------------------------------------------------------------------
2694 void vvMainWindow::GoToCursor()
2695 {
2696   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2697   for (int column = 1; column < 5; column++) {
2698     if (DataTree->selectedItems()[0]->data(column,Qt::CheckStateRole).toInt() > 1) {
2699       double* cursorPos = mSlicerManagers[index]->GetSlicer(column-1)->GetCursorPosition();
2700       mSlicerManagers[index]->GetSlicer(column-1)->SetCurrentPosition(
2701         cursorPos[0],cursorPos[1],cursorPos[2],cursorPos[3]);
2702       mSlicerManagers[index]->UpdateViews(1,column-1);
2703       mSlicerManagers[index]->UpdateLinked(column-1);
2704       break;
2705     }
2706   }
2707 }
2708 //------------------------------------------------------------------------------
2709
2710 //------------------------------------------------------------------------------
2711 void vvMainWindow::PlayPause()
2712 {
2713   if (playMode) {
2714     playMode = 0;
2715     playButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/player_play.png")));
2716     ImageInfoChanged();
2717     return;
2718   } else {
2719     int image_number=DataTree->topLevelItemCount();
2720     bool has_temporal;
2721     for (int i=0; i<image_number; i++)
2722       if (mSlicerManagers[i]->GetImage()->GetVTKImages().size() > 1) {
2723         has_temporal=true;
2724         break;
2725       }
2726     if (has_temporal) {
2727       playMode = 1;
2728       playButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/player_pause.png")));
2729       QTimer::singleShot(1000/mFrameRate, this, SLOT(PlayNext()));
2730     }
2731   }
2732 }
2733 //------------------------------------------------------------------------------
2734
2735 //------------------------------------------------------------------------------
2736 void vvMainWindow::PlayNext()
2737 {
2738   if (playMode && !this->isHidden()) {
2739     int image_number=DataTree->topLevelItemCount();
2740     ///Only play one slicer per SM, and only if the SM is being displayed
2741     for (int i=0; i<image_number; i++)
2742       for (int j=0; j<4; j++)
2743         if (mSlicerManagers[i]->GetImage()->GetVTKImages().size() > 1 &&
2744             DataTree->topLevelItem(i)->data(j+1,Qt::CheckStateRole).toInt() > 0) {
2745           mSlicerManagers[i]->SetNextTSlice(j);
2746           break;
2747         }
2748     QTimer::singleShot(1000/mFrameRate, this, SLOT(PlayNext()));
2749   }
2750 }
2751 //------------------------------------------------------------------------------
2752
2753 void vvMainWindow::ShowLastImage()
2754 {
2755   if (mSlicerManagers.size() > 1) {
2756     QTreeWidgetItem * item=DataTree->topLevelItem(DataTree->topLevelItemCount()-1);
2757     CurrentImageChanged(mSlicerManagers.back()->GetId()); //select new image
2758     item->setData(1,Qt::CheckStateRole,2); //show the new image in the first panel
2759     DisplayChanged(item,1);
2760   }
2761 }
2762
2763 //------------------------------------------------------------------------------
2764 void vvMainWindow::UpdateRenderWindows()
2765 {
2766   if (NOViewWidget->GetRenderWindow()) NOViewWidget->GetRenderWindow()->Render();
2767   if (NEViewWidget->GetRenderWindow()) NEViewWidget->GetRenderWindow()->Render();
2768   if (SOViewWidget->GetRenderWindow()) SOViewWidget->GetRenderWindow()->Render();
2769   if (SEViewWidget->GetRenderWindow()) SEViewWidget->GetRenderWindow()->Render();
2770 }
2771 //------------------------------------------------------------------------------
2772
2773 //------------------------------------------------------------------------------
2774 void vvMainWindow::SegmentationOnCurrentImage()
2775 {
2776   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2777
2778   vvSegmentationDialog segmentation;
2779   segmentation.SetImage(mSlicerManagers[index]->GetSlicer(0)->GetImage());
2780   segmentation.exec();
2781 }
2782 //------------------------------------------------------------------------------
2783
2784 void vvMainWindow::SurfaceViewerLaunch()
2785 {
2786   vvSurfaceViewerDialog surfaceViewer;
2787   surfaceViewer.exec();
2788 }
2789 //------------------------------------------------------------------------------
2790
2791
2792 //------------------------------------------------------------------------------
2793 int vvMainWindow::GetImageDuplicateFilenameNumber(std::string filename)
2794 {
2795   int number=0;
2796   for(unsigned int l=0; l<mSlicerManagers.size(); l++) {
2797     vvSlicerManager * v = mSlicerManagers[l];
2798     if (v->GetBaseFileName() ==
2799         vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename))) {
2800       number = std::max(number, v->GetBaseFileNameNumber()+1);
2801     }
2802   }
2803   return number;
2804 }
2805 //------------------------------------------------------------------------------
2806
2807
2808 //------------------------------------------------------------------------------
2809 vvSlicerManager* vvMainWindow::AddImage(vvImage::Pointer image,std::string filename)
2810 {
2811   // Change filename if another image exist with the same name
2812   int number = GetImageDuplicateFilenameNumber(filename);
2813
2814   // Create new SliceManager
2815   vvSlicerManager* slicer_manager = new vvSlicerManager(4);
2816   slicer_manager->SetImage(image);//, IMAGE, number);
2817   //  filename = filename+"_"+clitk::toString(number);
2818   slicer_manager->SetFilename(filename, number);
2819   mSlicerManagers.push_back(slicer_manager);
2820
2821   //create an item in the tree with good settings
2822   QTreeWidgetItem *item = new QTreeWidgetItem();
2823   item->setData(0,Qt::UserRole,slicer_manager->GetFileName().c_str());//files[i].c_str());
2824   item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,slicer_manager->GetFileName().c_str());//filename.c_str());
2825   qApp->processEvents();
2826
2827   for (int j = 1; j <= 4; j++) item->setData(j,Qt::CheckStateRole,1);
2828
2829   //Create the buttons for reload and close
2830   qApp->processEvents();
2831   QTreePushButton* cButton = new QTreePushButton;
2832   cButton->setItem(item);
2833   cButton->setColumn(COLUMN_CLOSE_IMAGE);
2834   cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
2835   connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2836           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
2837
2838   QTreePushButton* rButton = new QTreePushButton;
2839   rButton->setItem(item);
2840   rButton->setColumn(COLUMN_RELOAD_IMAGE);
2841   rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
2842   rButton->setEnabled(0);
2843   connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2844           this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
2845
2846   DataTree->addTopLevelItem(item);
2847   DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
2848   DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
2849
2850   //set the id of the image
2851   QString id = slicer_manager->GetFileName().c_str() + QString::number(mSlicerManagers.size()-1);
2852   item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
2853   mSlicerManagers.back()->SetId(id.toStdString());
2854
2855   linkPanel->addImage(slicer_manager->GetFileName().c_str()// filename
2856                       , id.toStdString());
2857
2858   connect(mSlicerManagers.back(), SIGNAL(currentImageChanged(std::string)),
2859           this, SLOT(CurrentImageChanged(std::string)));
2860   connect(mSlicerManagers.back(), SIGNAL(currentPickedImageChanged(std::string)),
2861           this, SLOT(CurrentPickedImageChanged(std::string)));
2862   connect(mSlicerManagers.back(), SIGNAL(UpdatePosition(int, double, double, double, double, double, double, double)),
2863           this, SLOT(MousePositionChanged(int,double, double, double, double, double, double, double)));
2864   connect(mSlicerManagers.back(), SIGNAL(UpdateVector(int, double, double, double, double)),
2865           this, SLOT(VectorChanged(int,double,double,double, double)));
2866   connect(mSlicerManagers.back(), SIGNAL(UpdateOverlay(int, double, double)),
2867           this, SLOT(OverlayChanged(int,double,double)));
2868   connect(mSlicerManagers.back(), SIGNAL(UpdateFusion(int, double)),
2869           this, SLOT(FusionChanged(int,double)));
2870   connect(mSlicerManagers.back(), SIGNAL(UpdateWindows(int, int, int)),
2871           this,SLOT(WindowsChanged(int, int, int)));
2872   connect(mSlicerManagers.back(), SIGNAL(WindowLevelChanged(double, double,int, int)),
2873           this,SLOT(WindowLevelChanged(double, double, int, int)));
2874   connect(mSlicerManagers.back(), SIGNAL(UpdateSlice(int,int)),
2875           this,SLOT(UpdateSlice(int,int)));
2876   connect(mSlicerManagers.back(), SIGNAL(UpdateTSlice(int, int)),
2877           this,SLOT(UpdateTSlice(int, int)));
2878   connect(mSlicerManagers.back(), SIGNAL(UpdateSliceRange(int,int,int,int,int)),
2879           this,SLOT(UpdateSliceRange(int,int,int,int,int)));
2880   connect(mSlicerManagers.back(), SIGNAL(UpdateLinkManager(std::string,int,double,double,double,int)),
2881           this,SLOT(UpdateLinkManager(std::string,int,double,double,double,int)));
2882   connect(mSlicerManagers.back(), SIGNAL(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)),
2883           this,SLOT(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)));
2884   connect(mSlicerManagers.back(), SIGNAL(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)),
2885           this,SLOT(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)));
2886   connect(mSlicerManagers.back(), SIGNAL(LandmarkAdded()),landmarksPanel,SLOT(AddPoint()));
2887   UpdateTree();
2888   qApp->processEvents();
2889   InitSlicers();
2890   ShowLastImage();
2891   InitDisplay();
2892   qApp->processEvents();
2893
2894   // End
2895   ImageInfoChanged();
2896   return slicer_manager;
2897 }
2898 //------------------------------------------------------------------------------
2899
2900
2901 //------------------------------------------------------------------------------
2902 void vvMainWindow::UpdateCurrentSlicer()
2903 {
2904   int index = -1;
2905   if (DataTree->selectedItems().size() > 0) {
2906     index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2907   }
2908   mSlicerManagerCurrentIndex = index;
2909 }
2910 //------------------------------------------------------------------------------
2911