]> Creatis software - clitk.git/blobdiff - vv/vvSlicerManager.cxx
Added Manual Registration Tool with updated Median Filter tool
[clitk.git] / vv / vvSlicerManager.cxx
index e07f3508b66197caa45a47fc4cf9f09c69aa5704..344fa73b7e8008e709fbde8beea1cb06056b61c5 100644 (file)
@@ -1,31 +1,22 @@
-/*=========================================================================
+  /*=========================================================================
+  Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
 
-Program:   vv
-Module:    $RCSfile: vvSlicerManager.cxx,v $
-Language:  C++
-Date:      $Date: 2010/01/26 15:04:33 $
-Version:   $Revision: 1.2 $
-Author :   Pierre Seroul (pierre.seroul@gmail.com)
+  Authors belong to: 
+  - University of LYON              http://www.universite-lyon.fr/
+  - Léon Bérard cancer center       http://oncora1.lyon.fnclcc.fr
+  - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
 
-Copyright (C) 2008
-Léon Bérard cancer center http://oncora1.lyon.fnclcc.fr
-CREATIS-LRMN http://www.creatis.insa-lyon.fr
+  This software is distributed WITHOUT ANY WARRANTY; without even
+  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+  PURPOSE.  See the copyright notices for more information.
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, version 3 of the License.
+  It is distributed under dual licence
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+  - BSD        See included LICENSE.txt file
+  - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
+  ======================================================================-====*/
 
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-=========================================================================*/
 #include "vvSlicerManager.h"
-
 #include "vvSlicer.h"
 #include "vvImage.h"
 #include "vvSlicerManagerCommand.h"
@@ -36,979 +27,1243 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "vvMesh.h"
 #include "vvImageMapToWLColors.h"
 
-#include "vtkImageActor.h"
-#include "vtkImageData.h"
-#include "vtkRenderWindow.h"
-#include "vtkRendererCollection.h"
-#include "vtkRenderWindowInteractor.h"
-#include "vtkImageMapToWindowLevelColors.h"
-#include "vtkWindowLevelLookupTable.h"
-#include "vtkColorTransferFunction.h"
-#include "vtkImageClip.h"
+#include <vtkImageActor.h>
+#include <vtkImageData.h>
+#include <vtkRenderWindow.h>
+#include <vtkRendererCollection.h>
+#include <vtkRenderWindowInteractor.h>
+#include <vtkImageMapToWindowLevelColors.h>
+#include <vtkWindowLevelLookupTable.h>
+#include <vtkColorTransferFunction.h>
+#include <vtkImageClip.h>
 #include <vtkLODActor.h>
 #include <vtkPointData.h>
-
 #include <vtksys/SystemTools.hxx>
-//----------------------------------------------------------------------------
 
+//----------------------------------------------------------------------------
 vvSlicerManager::vvSlicerManager(int numberOfSlicers)
 {
-    mFileName = "";
-    mId = "";
-    mVFName = "";
-    mOverlayName = "";
-    mFusionName = "";
-    mVFId = "";
-    mLastError = "";
-    mType = UNDEFINEDIMAGETYPE;
-    mColorMap = 0;
-    mPreset = 0;
-    mOverlayColor = 130;
-
-    mFusionOpacity = 70;
-    mFusionColorMap = 3;
-    mFusionWindow = 1000;
-    mFusionLevel = 1000;
-
-    mReader = NULL;
-    mImage = NULL;
-    mVF=NULL;
-    mVectorReader = NULL;
-    mOverlayReader = NULL;
-    mFusionReader = NULL;
-    mLandmarks = NULL;
-    mLinkedId.resize(0);
-
-    for ( int i = 0; i < numberOfSlicers; i++)
-    {
-        vvSlicer *slicer = vvSlicer::New();
-        mSlicers.push_back(slicer);
-    }
+  mFileName = "";
+  mId = "";
+  mVFName = "";
+  mOverlayName = "";
+  mFusionName = "";
+  mVFId = "";
+  mLastError = "";
+  mType = UNDEFINEDIMAGETYPE;
+  mColorMap = 0;
+  mPreset = 0;
+  mOverlayColor = 130;
+
+  mFusionOpacity = 70;
+  mFusionColorMap = 3;
+  mFusionWindow = 1000;
+  mFusionLevel = 1000;
+
+  mReader = NULL;
+  mImage = NULL;
+  mVF=NULL;
+  mVectorReader = NULL;
+  mOverlayReader = NULL;
+  mFusionReader = NULL;
+  mLandmarks = NULL;
+  mLinkedId.resize(0);
+
+  for ( int i = 0; i < numberOfSlicers; i++) {
+    vvSlicer *slicer = vvSlicer::New();
+    mSlicers.push_back(slicer);
+  }
+  mPreviousSlice.resize(numberOfSlicers);
+  mPreviousTSlice.resize(numberOfSlicers);
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 vvSlicerManager::~vvSlicerManager()
 {
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        if (mSlicers[i] != NULL)
-            mSlicers[i]->Delete();
+      if (mSlicers[i] != NULL)
+       mSlicers[i]->Delete();
     }
-    if (mReader)
+  if (mReader)
     {
-        delete mReader;
+      delete mReader;
     }
-    if (mVectorReader)
+  if (mVectorReader)
     {
-        delete mVectorReader;
+      delete mVectorReader;
     }
-    if (mOverlayReader)
+  if (mOverlayReader)
     {
-        delete mOverlayReader;
+      delete mOverlayReader;
     }
-    if (mFusionReader)
+  if (mFusionReader)
     {
-        delete mFusionReader;
+      delete mFusionReader;
     }
-    if (mLandmarks)
-        delete mLandmarks;
+  if (mLandmarks)
+    delete mLandmarks;
 }
+//----------------------------------------------------------------------------
 
+
+//------------------------------------------------------------------------------
+void vvSlicerManager::SetFilename(std::string f) {
+  mFileName = f;
+  for(unsigned int i=0; i<mSlicers.size(); i++) {
+    mSlicers[i]->SetFileName(f);
+  }
+}
+//------------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::AddContour(vvMesh::Pointer contour,bool propagate)
 {
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->AddContour(contour,propagate);
+      mSlicers[i]->AddContour(contour,propagate);
     }
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::ToggleContourSuperposition()
 {
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
-        mSlicers[i]->ToggleContourSuperposition();
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
+    mSlicers[i]->ToggleContourSuperposition();
 }
+//----------------------------------------------------------------------------
+
 
-bool vvSlicerManager::SetImage(std::string filename,LoadedImageType type)
+//----------------------------------------------------------------------------
+bool vvSlicerManager::SetImage(std::string filename, LoadedImageType type, int n)
 {
-    mFileName = filename;
-    mType = type;
-    if (mReader == NULL)
-        mReader = new vvImageReader;
-    std::vector<std::string> filenames;
-    filenames.push_back(filename);
-    mReader->SetInputFilenames(filenames);
-    mReader->Update(type);
-    if (mReader->GetLastError().size() == 0)
+  mFileName = filename;
+  mType = type;
+  if (mReader == NULL)
+    mReader = new vvImageReader;
+  std::vector<std::string> filenames;
+  filenames.push_back(filename);
+  mReader->SetInputFilenames(filenames);
+  mReader->Update(type);
+
+  mFileName = vtksys::SystemTools::GetFilenameName(mFileName);
+  mBaseFileName = vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(mFileName));
+  //  DD(mBaseFileName);
+  mBaseFileNameNumber = n;
+
+  if (mReader->GetLastError().size() == 0)
     {
-        mImage=mReader->GetOutput();
-        for ( unsigned int i = 0; i < mSlicers.size(); i++)
+      mImage=mReader->GetOutput();
+      for ( unsigned int i = 0; i < mSlicers.size(); i++)
         {
-            mSlicers[i]->SetFileName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
-            mSlicers[i]->SetImage(mReader->GetOutput());
+         mSlicers[i]->SetFileName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
+         mSlicers[i]->SetImage(mReader->GetOutput());
+          //          DD(mSlicers[i]->GetFileName());
         }
     }
-    else
+  else
     {
-        mLastError = mReader->GetLastError();
-        return false;
+      mLastError = mReader->GetLastError();
+      return false;
     }
-    return true;
+  if (n!=0) {
+    //    DD(mFileName);
+    mFileName.append("_"+clitk::toString(n));
+  }
+  return true;
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetImage(vvImage::Pointer image)
 {
-    mImage=image;
-    for (unsigned int i = 0; i < mSlicers.size();i++)
+  mImage=image;
+  for (unsigned int i = 0; i < mSlicers.size();i++)
     {
-        mSlicers[i]->SetImage(image);
+      mSlicers[i]->SetImage(image);
     }
 }
-
-bool vvSlicerManager::SetImages(std::vector<std::string> filenames,LoadedImageType type)
-{
-    mType = type;
-    std::string fileWithoutExtension = vtksys::SystemTools::GetFilenameWithoutExtension(filenames[0]);
-    if (type == DICOM)
-        fileWithoutExtension += "_dicom";
-    else if (type == MERGED)
-        fileWithoutExtension += "_merged";
-    else if (type == MERGEDWITHTIME)
-        fileWithoutExtension += "_merged_wt";
-
-    mFileName = fileWithoutExtension + vtksys::SystemTools::GetFilenameExtension(filenames[0]);
-    if (mReader == NULL)
-        mReader = new vvImageReader;
-    mReader->SetInputFilenames(filenames);
-    mReader->Update(type);
+//----------------------------------------------------------------------------
 
 
-    if (mReader->GetLastError().size() == 0)
+//----------------------------------------------------------------------------
+bool vvSlicerManager::SetImages(std::vector<std::string> filenames,LoadedImageType type, int n)
+{
+  mType = type;
+  std::string fileWithoutExtension = vtksys::SystemTools::GetFilenameWithoutExtension(filenames[0]);
+  if (type == DICOM)
+    fileWithoutExtension += "_dicom";
+  else if (type == MERGED)
+    fileWithoutExtension += "_merged";
+  else if (type == MERGEDWITHTIME)
+    fileWithoutExtension += "_merged_wt";
+
+  mFileName = vtksys::SystemTools::GetFilenameName(mFileName);
+  mFileName = fileWithoutExtension + vtksys::SystemTools::GetFilenameExtension(filenames[0]);
+  if (mReader == NULL)
+    mReader = new vvImageReader;
+  mReader->SetInputFilenames(filenames);
+  mReader->Update(type);
+
+  mBaseFileName = vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(mFileName));
+  //  DD(mBaseFileName);
+  mBaseFileNameNumber = n;
+
+  if (mReader->GetLastError().size() == 0)
     {
-        mImage=mReader->GetOutput();
-        for ( unsigned int i = 0; i < mSlicers.size(); i++)
+      mImage=mReader->GetOutput();
+      for ( unsigned int i = 0; i < mSlicers.size(); i++)
         {
-            mSlicers[i]->SetFileName(fileWithoutExtension);
-            mSlicers[i]->SetImage(mReader->GetOutput());
+         mSlicers[i]->SetFileName(fileWithoutExtension);
+         mSlicers[i]->SetImage(mReader->GetOutput());
         }
     }
-    else
+  else
     {
-        mLastError = mReader->GetLastError();
-        return false;
+      mLastError = mReader->GetLastError();
+      return false;
     }
-    return true;
+  if (n!=0) {
+    //    DD(mFileName);
+    mFileName.append("_"+clitk::toString(n));
+    //    DD(mFileName);
+  }
+  return true;
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 bool vvSlicerManager::SetOverlay(std::string filename,int dim, std::string component)
 {
-    mOverlayName = filename;
-    mOverlayComponent = component;
-    if (dim > mImage->GetNumberOfDimensions())
+  mOverlayName = filename;
+  mOverlayComponent = component;
+  if (dim > mImage->GetNumberOfDimensions())
     {
-        mLastError = " Overlay dimension cannot be greater then reference image!";
-        return false;
+      mLastError = " Overlay dimension cannot be greater then reference image!";
+      return false;
     }
-    if (mOverlayReader == NULL)
-        mOverlayReader = new vvImageReader;
-    std::vector<std::string> filenames;
-    filenames.push_back(filename);
-    mOverlayReader->SetInputFilenames(filenames);
-    mOverlayReader->Update(mImage->GetNumberOfDimensions(),component.c_str(),mType);
-    if (mOverlayReader->GetLastError().size() == 0)
+  if (mOverlayReader == NULL)
+    mOverlayReader = new vvImageReader;
+  std::vector<std::string> filenames;
+  filenames.push_back(filename);
+  mOverlayReader->SetInputFilenames(filenames);
+  mOverlayReader->Update(mImage->GetNumberOfDimensions(),component.c_str(),mType);
+  if (mOverlayReader->GetLastError().size() == 0)
     {
-        for ( unsigned int i = 0; i < mSlicers.size(); i++)
+      for ( unsigned int i = 0; i < mSlicers.size(); i++)
         {
-            mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
+         mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
         }
     }
-    else
+  else
     {
-        mLastError = mOverlayReader->GetLastError();
-        return false;
+      mLastError = mOverlayReader->GetLastError();
+      return false;
     }
-    return true;
+  return true;
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 bool vvSlicerManager::SetFusion(std::string filename,int dim, std::string component)
 {
-    mFusionName = filename;
-    mFusionComponent = component;
-    if (dim > mImage->GetNumberOfDimensions())
+  mFusionName = filename;
+  mFusionComponent = component;
+  if (dim > mImage->GetNumberOfDimensions())
     {
-        mLastError = " Overlay dimension cannot be greater then reference image!";
-        return false;
+      mLastError = " Overlay dimension cannot be greater then reference image!";
+      return false;
     }
-    if (mFusionReader == NULL)
-        mFusionReader = new vvImageReader;
-    std::vector<std::string> filenames;
-    filenames.push_back(filename);
-    mFusionReader->SetInputFilenames(filenames);
-    mFusionReader->Update(mImage->GetNumberOfDimensions(),component.c_str(),mType);
-    if (mFusionReader->GetLastError().size() == 0)
+  if (mFusionReader == NULL)
+    mFusionReader = new vvImageReader;
+  std::vector<std::string> filenames;
+  filenames.push_back(filename);
+  mFusionReader->SetInputFilenames(filenames);
+  mFusionReader->Update(mImage->GetNumberOfDimensions(),component.c_str(),mType);
+  if (mFusionReader->GetLastError().size() == 0)
     {
-        for ( unsigned int i = 0; i < mSlicers.size(); i++)
+      for ( unsigned int i = 0; i < mSlicers.size(); i++)
         {
-            mSlicers[i]->SetFusion(mFusionReader->GetOutput());
+         mSlicers[i]->SetFusion(mFusionReader->GetOutput());
         }
     }
-    else
+  else
     {
-        mLastError = mFusionReader->GetLastError();
-        return false;
+      mLastError = mFusionReader->GetLastError();
+      return false;
     }
-    double *fusRange = mFusionReader->GetOutput()->GetVTKImages()[0]->GetScalarRange();
-    mFusionLevel = (fusRange[0]+fusRange[1])/2;
-    mFusionWindow = fusRange[1]-fusRange[0];
-    return true;
+  double *fusRange = mFusionReader->GetOutput()->GetVTKImages()[0]->GetScalarRange();
+  mFusionLevel = (fusRange[0]+fusRange[1])/2;
+  mFusionWindow = fusRange[1]-fusRange[0];
+  return true;
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 bool vvSlicerManager::SetVF(std::string filename)
 {
-    if (mVectorReader == NULL)
-        mVectorReader = new vvImageReader;
-    mVectorReader->SetInputFilename(filename);
-    mVectorReader->Update(VECTORFIELD);
-    if (mVectorReader->GetLastError().size() != 0)
+  if (mVectorReader == NULL)
+    mVectorReader = new vvImageReader;
+  mVectorReader->SetInputFilename(filename);
+  mVectorReader->Update(VECTORFIELD);
+  if (mVectorReader->GetLastError().size() != 0)
     {
-        mLastError = mVectorReader->GetLastError();
-        return false;
+      mLastError = mVectorReader->GetLastError();
+      return false;
     }
-    else
-        return SetVF(mVectorReader->GetOutput(),filename);
+  else
+    return SetVF(mVectorReader->GetOutput(),filename);
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 bool vvSlicerManager::SetVF(vvImage::Pointer vf,std::string filename)
 {
-    if (vf->GetNumberOfDimensions() > mImage->GetNumberOfDimensions())
-    {
-        mLastError = " Vector field dimension cannot be greater then reference image!";
-        return false;
+  if (vf->GetNumberOfDimensions() > mImage->GetNumberOfDimensions()) {
+    mLastError = "Sorry, vector field dimension cannot be greater then reference image.";
+    return false;
+  }
+  if (vf->GetNumberOfDimensions() == 4) {
+    // DD(vf->GetSpacing()[3]);
+    //     DD(mImage->GetSpacing()[3]);
+    //     DD(vf->GetOrigin()[3]);
+    //     DD(mImage->GetOrigin()[3]);    
+    if (vf->GetSpacing()[3] != mImage->GetSpacing()[3]) {
+      mLastError = "Sorry, vector field time spacing cannot be different from time spacing of the reference image.";
+      return false;
     }
-    mVF=vf;
-    mVFName = filename;
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
-    {
-        mSlicers[i]->SetVF(vf);
+    if (vf->GetOrigin()[3] != mImage->GetOrigin()[3]) {
+      mLastError = "Sorry, vector field time origin cannot be different from time origin of the reference image.";
+      return false;
     }
-    return true;
+  }
+  mVF=vf;
+  mVFName = filename;
+  for ( unsigned int i = 0; i < mSlicers.size(); i++) {
+    mSlicers[i]->SetVF(vf);
+  }
+  return true;
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetExtractedImage(std::string filename,vvImage::Pointer image, int slice)
 {
-    mFileName = filename;
-    mImage = vvImage::New();
-    if (image->GetNumberOfDimensions() == 4)
+  mFileName = filename;
+  mImage = vvImage::New();
+  if (image->GetNumberOfDimensions() == 4)
     {
-        mImage->AddImage(image->GetVTKImages()[slice]);
-        for ( unsigned int i = 0; i < mSlicers.size(); i++)
+      mImage->AddImage(image->GetVTKImages()[slice]);
+      for ( unsigned int i = 0; i < mSlicers.size(); i++)
         {
-            mSlicers[i]->SetFileName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
-            mSlicers[i]->SetImage(mImage);
+         mSlicers[i]->SetFileName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
+         mSlicers[i]->SetImage(mImage);
         }
     }
-    else
+  else
     {
-        vtkImageClip* clipper = vtkImageClip::New();
-        int extent[6];
-        image->GetVTKImages()[0]->GetWholeExtent(extent);
-        clipper->SetInput(image->GetVTKImages()[0]);
-        clipper->SetOutputWholeExtent(extent[0],extent[1],extent[2],extent[3],slice,slice);
-        clipper->Update();
-        mImage->AddImage(clipper->GetOutput());
-        for ( unsigned int i = 0; i < mSlicers.size(); i++)
+      vtkImageClip* clipper = vtkImageClip::New();
+      int extent[6];
+      image->GetVTKImages()[0]->GetWholeExtent(extent);
+      clipper->SetInput(image->GetVTKImages()[0]);
+      clipper->SetOutputWholeExtent(extent[0],extent[1],extent[2],extent[3],slice,slice);
+      clipper->Update();
+      mImage->AddImage(clipper->GetOutput());
+      for ( unsigned int i = 0; i < mSlicers.size(); i++)
         {
-            mSlicers[i]->SetFileName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
-            mSlicers[i]->SetImage(mImage);
+         mSlicers[i]->SetFileName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename));
+         mSlicers[i]->SetImage(mImage);
         }
-        clipper->Delete();
+      clipper->Delete();
     }
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 vvSlicer* vvSlicerManager::GetSlicer(int i)
 {
-    return mSlicers[i];
+  return mSlicers[i];
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::UpdateSlicer(int num, bool state)
 {
-    if (mSlicers[num]->GetImage())
-            mSlicers[num]->SetDisplayMode(state);
+  if (mSlicers[num]->GetImage())
+    mSlicers[num]->SetDisplayMode(state);
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetSlicerWindow(int i, vtkRenderWindow* RW)
 {
-    mSlicers[i]->SetRenderWindow(i,RW);
+  mSlicers[i]->SetRenderWindow(i,RW);
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetInteractorStyleNavigator(int i, vtkInteractorStyle* style)
 {
-    vvSlicerManagerCallback *smc = vvSlicerManagerCallback::New();
-    smc->SM = this;
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->SetInteractorStyle(style);
+  vvSlicerManagerCommand *smc = vvSlicerManagerCommand::New();
+  smc->SM = this;
+  smc->SetSlicerNumber(i);
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->SetInteractorStyle(style);
 
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::KeyPressEvent, smc);
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::WindowLevelEvent, smc);
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::EndWindowLevelEvent, smc);
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::StartWindowLevelEvent, smc);
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::PickEvent, smc);
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::StartPickEvent, smc);
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::LeaveEvent, smc);
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::UserEvent, smc);
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::MouseWheelForwardEvent, smc);
-    mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
     GetInteractorStyle()->AddObserver(vtkCommand::MouseWheelBackwardEvent, smc);
-    smc->Delete();
+  // mSlicers[i]->GetRenderWindow()->GetInteractor()->
+  //   GetInteractorStyle()->AddObserver(vtkCommand::LeftButtonReleaseEvent, smc);
+  mSlicers[i]->GetRenderWindow()->GetInteractor()->
+     GetInteractorStyle()->AddObserver(vtkCommand::EndPickEvent, smc);
+  smc->Delete();
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
+void vvSlicerManager::LeftButtonReleaseEvent(int slicer) {
+  emit LeftButtonReleaseSignal(slicer);
+}
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetTSlice(int slice)
 {
-    if (slice < 0)
-        slice = 0;
-    else if (slice > mSlicers[0]->GetTMax())
-        slice = mSlicers[0]->GetTMax();
-    if (mLandmarks)
-        mLandmarks->SetTime(slice);
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  if (slice < 0)
+    slice = 0;
+  else if (slice > mSlicers[0]->GetTMax())
+    slice = mSlicers[0]->GetTMax();
+  if (mLandmarks)
+    mLandmarks->SetTime(slice);
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
+      if (slice != mSlicers[i]->GetTSlice()) {
         mSlicers[i]->SetTSlice(slice);
         if (mSlicers[i]->GetImageActor()->GetVisibility())
-            UpdateTSlice(i);
+          UpdateTSlice(i);
+      }
     }
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetNextTSlice(int originating_slicer)
 {
-    int t = mSlicers[0]->GetTSlice();
-    t++;
-    if (t > mSlicers[0]->GetTMax())
-        t = 0;
-    emit UpdateTSlice(originating_slicer,t);
+  int t = mSlicers[0]->GetTSlice();
+  t++;
+  if (t > mSlicers[0]->GetTMax())
+    t = 0;
+  // DD("SetNextTSlice");
+//   DD(originating_slicer);
+//   DD(t);
+  emit UpdateTSlice(originating_slicer,t);
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetPreviousTSlice(int originating_slicer)
 {
-    int t = mSlicers[0]->GetTSlice();
-    t--;
-    if (t < 0)
-        t = mSlicers[0]->GetTMax();
-    emit UpdateTSlice(originating_slicer,t);
+  int t = mSlicers[0]->GetTSlice();
+  t--;
+  if (t < 0)
+    t = mSlicers[0]->GetTMax();
+  emit UpdateTSlice(originating_slicer,t);
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::ToggleInterpolation()
 {
-    bool interpolate=not (mSlicers[0]->GetImageActor()->GetInterpolate());
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  bool interpolate=!(mSlicers[0]->GetImageActor()->GetInterpolate());
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->GetImageActor()->SetInterpolate(interpolate);
+      mSlicers[i]->GetImageActor()->SetInterpolate(interpolate);
     }
 }
+//----------------------------------------------------------------------------
 
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetTSliceInSlicer(int tslice, int slicer)
 {
-    if (tslice < 0)
-        tslice = 0;
-    else if (tslice > mSlicers[slicer]->GetTMax())
-        tslice = mSlicers[slicer]->GetTMax();
-    if (mLandmarks)
-        mLandmarks->SetTime(tslice);
-    mSlicers[slicer]->SetTSlice(tslice);
-    if (mSlicers[slicer]->GetImageActor()->GetVisibility())
-        UpdateTSlice(slicer);
+  if (tslice < 0)
+    tslice = 0;
+  else if (tslice > mSlicers[slicer]->GetTMax())
+    tslice = mSlicers[slicer]->GetTMax();
+  if (mLandmarks)
+    mLandmarks->SetTime(tslice);
+
+  if (mSlicers[slicer]->GetTSlice() == tslice) return;
+
+  mSlicers[slicer]->SetTSlice(tslice);
+  if (mSlicers[slicer]->GetImageActor()->GetVisibility())
+    UpdateTSlice(slicer);
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetColorWindow(double s)
 {
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->SetColorWindow(s);
+      mSlicers[i]->SetColorWindow(s);
     }
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetColorLevel(double s)
 {
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->SetColorLevel(s);
+      mSlicers[i]->SetColorLevel(s);
     }
 }
+//----------------------------------------------------------------------------
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetCursorVisibility(int s)
 {
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->SetCursorVisibility(s);
+      mSlicers[i]->SetCursorVisibility(s);
     }
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetOpacity(int i, double factor)
 {
-    mSlicers[i]->SetOpacity(1/factor);
+  mSlicers[i]->SetOpacity(1/factor);
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::UpdateViews(int current,int slicer)
 {
-    double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
-               /mSlicers[slicer]->GetInput()->GetSpacing()[0];
-    double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
-               /mSlicers[slicer]->GetInput()->GetSpacing()[1];
-    double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
-               /mSlicers[slicer]->GetInput()->GetSpacing()[2];
-
-    if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
-            x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
-            y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
-            y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
-            z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
-            z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5])
+  double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
+    /mSlicers[slicer]->GetInput()->GetSpacing()[0];
+  double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
+    /mSlicers[slicer]->GetInput()->GetSpacing()[1];
+  double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
+    /mSlicers[slicer]->GetInput()->GetSpacing()[2];
+
+  if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
+      x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
+      y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
+      y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
+      z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
+      z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5])
     {
-        mSlicers[slicer]->UpdateCursorPosition();
-        mSlicers[slicer]->SetCursorColor(10,212,255);
+      mSlicers[slicer]->UpdateCursorPosition();
+      mSlicers[slicer]->SetCursorColor(10,212,255);
 
-        switch (mSlicers[slicer]->GetSliceOrientation())
+      switch (mSlicers[slicer]->GetSliceOrientation())
         {
         case vtkImageViewer2::SLICE_ORIENTATION_XY:
-            if (mSlicers[slicer]->GetSlice() == (int)floor(z))
-                mSlicers[slicer]->Render();
-            else
-                mSlicers[slicer]->SetSlice((int)floor(z));
-            break;
+         if (mSlicers[slicer]->GetSlice() == (int)floor(z))
+           mSlicers[slicer]->Render();
+         else
+           mSlicers[slicer]->SetSlice((int)floor(z));
+         break;
 
         case vtkImageViewer2::SLICE_ORIENTATION_XZ:
-            if (mSlicers[slicer]->GetSlice() == (int)floor(y))
-                mSlicers[slicer]->Render();
-            else
-                mSlicers[slicer]->SetSlice((int)floor(y));
-            break;
+         if (mSlicers[slicer]->GetSlice() == (int)floor(y))
+           mSlicers[slicer]->Render();
+         else
+           mSlicers[slicer]->SetSlice((int)floor(y));
+         break;
 
         case vtkImageViewer2::SLICE_ORIENTATION_YZ:
-            if (mSlicers[slicer]->GetSlice() == (int)floor(x))
-                mSlicers[slicer]->Render();
-            else
-                mSlicers[slicer]->SetSlice((int)floor(x));
-            break;
+         if (mSlicers[slicer]->GetSlice() == (int)floor(x))
+           mSlicers[slicer]->Render();
+         else
+           mSlicers[slicer]->SetSlice((int)floor(x));
+         break;
         }
 
-        for ( unsigned int i = 0; i < mSlicers.size(); i++)
+      for ( unsigned int i = 0; i < mSlicers.size(); i++)
         {
-            if (i != (unsigned int)slicer && mSlicers[i]->GetImageActor()->GetVisibility()
-                    && mSlicers[i]->GetRenderWindow()->GetSize()[0] > 2
-                    && mSlicers[i]->GetRenderWindow()->GetSize()[1] > 2)
+         if (i != (unsigned int)slicer && mSlicers[i]->GetImageActor()->GetVisibility()
+             && mSlicers[i]->GetRenderWindow()->GetSize()[0] > 2
+             && mSlicers[i]->GetRenderWindow()->GetSize()[1] > 2)
             {
-                mSlicers[i]->SetCurrentPosition(mSlicers[slicer]->GetCurrentPosition()[0],
-                                                mSlicers[slicer]->GetCurrentPosition()[1],
-                                                mSlicers[slicer]->GetCurrentPosition()[2],
-                                                mSlicers[slicer]->GetTSlice());
-                mSlicers[i]->UpdateCursorPosition();
-                if (current) //do not display corner annotation if image is the one picked
+             mSlicers[i]->SetCurrentPosition(mSlicers[slicer]->GetCurrentPosition()[0],
+                                             mSlicers[slicer]->GetCurrentPosition()[1],
+                                             mSlicers[slicer]->GetCurrentPosition()[2],
+                                             mSlicers[slicer]->GetTSlice());
+             mSlicers[i]->UpdateCursorPosition();
+             if (current) //do not display corner annotation if image is the one picked
                 {
-                    mSlicers[i]->SetCurrentPosition(-VTK_DOUBLE_MAX,-VTK_DOUBLE_MAX,
-                                                    -VTK_DOUBLE_MAX, mSlicers[slicer]->GetTSlice());
-                    mSlicers[i]->SetCursorColor(255,10,212);
+                 mSlicers[i]->SetCurrentPosition(-VTK_DOUBLE_MAX,-VTK_DOUBLE_MAX,
+                                                 -VTK_DOUBLE_MAX, mSlicers[slicer]->GetTSlice());
+                 mSlicers[i]->SetCursorColor(255,10,212);
                 }
-                else
+             else
                 {
-                    mSlicers[i]->SetCursorColor(150,10,282);
+                 mSlicers[i]->SetCursorColor(150,10,282);
                 }
-                switch (mSlicers[i]->GetSliceOrientation())
+             switch (mSlicers[i]->GetSliceOrientation())
                 {
                 case vtkImageViewer2::SLICE_ORIENTATION_XY:
-                    if (mSlicers[i]->GetSlice() == (int)floor(z))
-                        mSlicers[i]->Render();
-                    else
-                        mSlicers[i]->SetSlice((int)floor(z));
-                    break;
+                 if (mSlicers[i]->GetSlice() == (int)floor(z))
+                   mSlicers[i]->Render();
+                 else
+                   mSlicers[i]->SetSlice((int)floor(z));
+                 break;
 
                 case vtkImageViewer2::SLICE_ORIENTATION_XZ:
-                    if (mSlicers[i]->GetSlice() == (int)floor(y))
-                        mSlicers[i]->Render();
-                    else
-                        mSlicers[i]->SetSlice((int)floor(y));
-                    break;
+                 if (mSlicers[i]->GetSlice() == (int)floor(y))
+                   mSlicers[i]->Render();
+                 else
+                   mSlicers[i]->SetSlice((int)floor(y));
+                 break;
 
                 case vtkImageViewer2::SLICE_ORIENTATION_YZ:
-                    if (mSlicers[i]->GetSlice() == (int)floor(x))
-                        mSlicers[i]->Render();
-                    else
-                        mSlicers[i]->SetSlice((int)floor(x));
-                    break;
+                 if (mSlicers[i]->GetSlice() == (int)floor(x))
+                   mSlicers[i]->Render();
+                 else
+                   mSlicers[i]->SetSlice((int)floor(x));
+                 break;
                 }
-                UpdateSlice(i);
-                UpdateTSlice(i);
+              // DD("UpdateViews::");
+              // DD(i);
+             UpdateSlice(i);
+             UpdateTSlice(i);
             }
         }
     }
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::UpdateLinked(int slicer)
 {
-    double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
-               /mSlicers[slicer]->GetInput()->GetSpacing()[0];
-    double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
-               /mSlicers[slicer]->GetInput()->GetSpacing()[1];
-    double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
-               /mSlicers[slicer]->GetInput()->GetSpacing()[2];
-
-    if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
-            x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
-            y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
-            y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
-            z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
-            z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5])
-    {
-        for (std::list<std::string>::const_iterator i = mLinkedId.begin(); i != mLinkedId.end(); i++)
+  double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
+    /mSlicers[slicer]->GetInput()->GetSpacing()[0];
+  double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
+    /mSlicers[slicer]->GetInput()->GetSpacing()[1];
+  double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
+    /mSlicers[slicer]->GetInput()->GetSpacing()[2];
+
+  if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
+      x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
+      y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
+      y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
+      z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
+      z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5])
+    {
+      for (std::list<std::string>::const_iterator i = mLinkedId.begin(); i != mLinkedId.end(); i++)
         {
-            emit UpdateLinkManager(*i, slicer,mSlicers[slicer]->GetCurrentPosition()[0],
-                                   mSlicers[slicer]->GetCurrentPosition()[1],
-                                   mSlicers[slicer]->GetCurrentPosition()[2],mSlicers[slicer]->GetTSlice());
+         emit UpdateLinkManager(*i, slicer,mSlicers[slicer]->GetCurrentPosition()[0],
+                                mSlicers[slicer]->GetCurrentPosition()[1],
+                                mSlicers[slicer]->GetCurrentPosition()[2],mSlicers[slicer]->GetTSlice());
         }
     }
 }
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
 double vvSlicerManager::GetColorWindow()
 {
-    if (mSlicers.size())
-        return mSlicers[0]->GetColorWindow();
-    return -1;
+  if (mSlicers.size())
+    return mSlicers[0]->GetColorWindow();
+  return -1;
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 double vvSlicerManager::GetColorLevel()
 {
-    if (mSlicers.size())
-        return mSlicers[0]->GetColorLevel();
-    return -1;
+  if (mSlicers.size())
+    return mSlicers[0]->GetColorLevel();
+  return -1;
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::Render()
 {
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->Render();
+      mSlicers[i]->Render();
     }
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::GenerateDefaultLookupTable()
 {
-    SetPreset(mPreset);
-    SetColorMap(mColorMap);
+  SetPreset(mPreset);
+  SetColorMap(mColorMap);
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::Reload()
 {
-    mReader->Update(mType);
-    mImage=mReader->GetOutput();
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  mReader->Update(mType);
+  mImage=mReader->GetOutput();
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->SetImage(mImage);
+      mSlicers[i]->SetImage(mImage);
     }
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::ReloadFusion()
 {
-    mFusionReader->Update();
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  mFusionReader->Update();
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->SetFusion(mFusionReader->GetOutput());
-        mSlicers[i]->Render();
+      mSlicers[i]->SetFusion(mFusionReader->GetOutput());
+      mSlicers[i]->Render();
     }
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::ReloadOverlay()
 {
-    mOverlayReader->Update();
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  mOverlayReader->Update();
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
-        mSlicers[i]->Render();
+      mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
+      mSlicers[i]->Render();
     }
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::ReloadVF()
 {
-    mVectorReader->Update(VECTORFIELD); //deletes the old images through the VF::Init() function
-    mVF=mVectorReader->GetOutput();
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  mVectorReader->Update(VECTORFIELD); //deletes the old images through the VF::Init() function
+  mVF=mVectorReader->GetOutput();
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->SetVF(mVF);
-        mSlicers[i]->Render();
+      mSlicers[i]->SetVF(mVF);
+      mSlicers[i]->Render();
     }
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::RemoveActor(const std::string& actor_type, int overlay_index)
 {
-    for (unsigned int i = 0; i < mSlicers.size();i++)
+  for (unsigned int i = 0; i < mSlicers.size();i++)
     {
-        mSlicers[i]->RemoveActor(actor_type,overlay_index);
+      mSlicers[i]->RemoveActor(actor_type,overlay_index);
     }
-    if (actor_type=="vector")
+  if (actor_type=="vector")
     {
-        mVF=NULL;
-        if (mVectorReader) {
-            delete mVectorReader;
-            mVectorReader=NULL;
-        }
+      mVF=NULL;
+      if (mVectorReader) {
+       delete mVectorReader;
+       mVectorReader=NULL;
+      }
     }
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::RemoveActors()
 {
-    ///This method leaks a few objects. See RemoveActor for what a correct implementation would look like
-    for ( unsigned int i = 0; i < mSlicers.size(); i++)
+  ///This method leaks a few objects. See RemoveActor for what a correct implementation would look like
+  for ( unsigned int i = 0; i < mSlicers.size(); i++)
     {
-        mSlicers[i]->SetDisplayMode(0);
-        mSlicers[i]->GetRenderer()->RemoveActor(mSlicers[i]->GetImageActor());
+      mSlicers[i]->SetDisplayMode(0);
+      mSlicers[i]->GetRenderer()->RemoveActor(mSlicers[i]->GetImageActor());
     }
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::UpdateInfoOnCursorPosition(int slicer)
 {
-//  int view = mSlicers[slicer]->GetSliceOrientation();
-//  int slice = mSlicers[slicer]->GetSlice();
-    double x = mSlicers[slicer]->GetCursorPosition()[0];
-    double y = mSlicers[slicer]->GetCursorPosition()[1];
-    double z = mSlicers[slicer]->GetCursorPosition()[2];
-    double X = (x - mSlicers[slicer]->GetInput()->GetOrigin()[0])/
-        mSlicers[slicer]->GetInput()->GetSpacing()[0];
-    double Y = (y - mSlicers[slicer]->GetInput()->GetOrigin()[1])/
-        mSlicers[slicer]->GetInput()->GetSpacing()[1];
-    double Z = (z - mSlicers[slicer]->GetInput()->GetOrigin()[2])/
-        mSlicers[slicer]->GetInput()->GetSpacing()[2];
-    double value = -VTK_DOUBLE_MAX;
-    int displayVec = 0;
-    double xVec=0, yVec=0, zVec=0, valueVec=0;
-    int displayOver = 0;
-    int displayFus = 0;
-    double valueOver=0, valueFus=0;
-    if (X >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
-            X <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
-            Y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
-            Y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
-            Z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
-            Z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5])
-    {
-        value = mSlicers[slicer]->GetInput()->GetScalarComponentAsDouble(
-                (int)floor(X),
-                (int)floor(Y),
-                (int)floor(Z),0);
-        if (mSlicers[slicer]->GetVFActor() && mSlicers[slicer]->GetVFActor()->GetVisibility())
+  //  int view = mSlicers[slicer]->GetSliceOrientation();
+  //  int slice = mSlicers[slicer]->GetSlice();
+  double x = mSlicers[slicer]->GetCursorPosition()[0];
+  double y = mSlicers[slicer]->GetCursorPosition()[1];
+  double z = mSlicers[slicer]->GetCursorPosition()[2];
+  double X = (x - mSlicers[slicer]->GetInput()->GetOrigin()[0])/
+    mSlicers[slicer]->GetInput()->GetSpacing()[0];
+  double Y = (y - mSlicers[slicer]->GetInput()->GetOrigin()[1])/
+    mSlicers[slicer]->GetInput()->GetSpacing()[1];
+  double Z = (z - mSlicers[slicer]->GetInput()->GetOrigin()[2])/
+    mSlicers[slicer]->GetInput()->GetSpacing()[2];
+  double value = -VTK_DOUBLE_MAX;
+  int displayVec = 0;
+  double xVec=0, yVec=0, zVec=0, valueVec=0;
+  int displayOver = 0;
+  int displayFus = 0;
+  double valueOver=0, valueFus=0;
+  if (X >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
+      X <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
+      Y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
+      Y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
+      Z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
+      Z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5])
+    {
+      value = mSlicers[slicer]->GetInput()->GetScalarComponentAsDouble(
+                                                                      (int)floor(X),
+                                                                      (int)floor(Y),
+                                                                      (int)floor(Z),0);
+      if (mSlicers[slicer]->GetVFActor() && mSlicers[slicer]->GetVFActor()->GetVisibility())
         {
-            displayVec = 1;
-            unsigned int currentTime = mSlicers[slicer]->GetTSlice();
-            vtkImageData *vf = NULL;
+         displayVec = 1;
+         unsigned int currentTime = mSlicers[slicer]->GetTSlice();
+         vtkImageData *vf = NULL;
 
-            if (mSlicers[slicer]->GetVF()->GetVTKImages().size() > currentTime)
-                vf = mSlicers[slicer]->GetVF()->GetVTKImages()[currentTime];
-            else
-                vf = mSlicers[slicer]->GetVF()->GetVTKImages()[0];
+         if (mSlicers[slicer]->GetVF()->GetVTKImages().size() > currentTime)
+           vf = mSlicers[slicer]->GetVF()->GetVTKImages()[currentTime];
+         else
+           vf = mSlicers[slicer]->GetVF()->GetVTKImages()[0];
 
-            if (vf)
+         if (vf)
             {
-                double Xvf = (x - vf->GetOrigin()[0])/ vf->GetSpacing()[0];
-                double Yvf = (y - vf->GetOrigin()[1])/ vf->GetSpacing()[1];
-                double Zvf = (z - vf->GetOrigin()[2])/ vf->GetSpacing()[2];
-                xVec = vf->GetScalarComponentAsDouble( (int)floor(Xvf), (int)floor(Yvf), (int)floor(Zvf),0);
-                yVec = vf->GetScalarComponentAsDouble( (int)floor(Xvf), (int)floor(Yvf), (int)floor(Zvf),1);
-                zVec = vf->GetScalarComponentAsDouble( (int)floor(Xvf), (int)floor(Yvf), (int)floor(Zvf),2);
-                valueVec = sqrt(xVec*xVec + yVec*yVec + zVec*zVec);
+             double Xvf = (x - vf->GetOrigin()[0])/ vf->GetSpacing()[0];
+             double Yvf = (y - vf->GetOrigin()[1])/ vf->GetSpacing()[1];
+             double Zvf = (z - vf->GetOrigin()[2])/ vf->GetSpacing()[2];
+             xVec = vf->GetScalarComponentAsDouble( (int)floor(Xvf), (int)floor(Yvf), (int)floor(Zvf),0);
+             yVec = vf->GetScalarComponentAsDouble( (int)floor(Xvf), (int)floor(Yvf), (int)floor(Zvf),1);
+             zVec = vf->GetScalarComponentAsDouble( (int)floor(Xvf), (int)floor(Yvf), (int)floor(Zvf),2);
+             valueVec = sqrt(xVec*xVec + yVec*yVec + zVec*zVec);
             }
         }
-        if (mSlicers[slicer]->GetOverlayActor() && mSlicers[slicer]->GetOverlayActor()->GetVisibility())
+      if (mSlicers[slicer]->GetOverlayActor() && mSlicers[slicer]->GetOverlayActor()->GetVisibility())
         {
-            displayOver = 1;
-            double Xover = (x - mSlicers[slicer]->GetOverlay()->GetOrigin()[0])
-                /mSlicers[slicer]->GetOverlay()->GetSpacing()[0];
-            double Yover = (y - mSlicers[slicer]->GetOverlay()->GetOrigin()[1])
-                /mSlicers[slicer]->GetOverlay()->GetSpacing()[1];
-            double Zover = (z - mSlicers[slicer]->GetOverlay()->GetOrigin()[2])
-                /mSlicers[slicer]->GetOverlay()->GetSpacing()[2];
-            if (Xover >= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[0] &&
-                    Xover <= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[1] &&
-                    Yover >= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[2] &&
-                    Yover <= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[3] &&
-                    Zover >= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[4] &&
-                    Zover <= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[5])
+         displayOver = 1;
+         double Xover = (x - mSlicers[slicer]->GetOverlay()->GetOrigin()[0])
+           /mSlicers[slicer]->GetOverlay()->GetSpacing()[0];
+         double Yover = (y - mSlicers[slicer]->GetOverlay()->GetOrigin()[1])
+           /mSlicers[slicer]->GetOverlay()->GetSpacing()[1];
+         double Zover = (z - mSlicers[slicer]->GetOverlay()->GetOrigin()[2])
+           /mSlicers[slicer]->GetOverlay()->GetSpacing()[2];
+         if (Xover >= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[0] &&
+             Xover <= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[1] &&
+             Yover >= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[2] &&
+             Yover <= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[3] &&
+             Zover >= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[4] &&
+             Zover <= mSlicers[slicer]->GetOverlayMapper()->GetInput()->GetWholeExtent()[5])
             {
-                valueOver = static_cast<vtkImageData*>(mSlicers[slicer]->GetOverlayMapper()->GetInput())->
-                    GetScalarComponentAsDouble(
-                            (int)floor(Xover),
-                            (int)floor(Yover),
-                            (int)floor(Zover),0);
+             valueOver = static_cast<vtkImageData*>(mSlicers[slicer]->GetOverlayMapper()->GetInput())->
+               GetScalarComponentAsDouble(
+                                          (int)floor(Xover),
+                                          (int)floor(Yover),
+                                          (int)floor(Zover),0);
             }
         }
-        if (mSlicers[slicer]->GetFusionActor() && mSlicers[slicer]->GetFusionActor()->GetVisibility())
+      if (mSlicers[slicer]->GetFusionActor() && mSlicers[slicer]->GetFusionActor()->GetVisibility())
         {
-            displayFus = 1;
-            double Xfus = (x - mSlicers[slicer]->GetFusion()->GetOrigin()[0])
-                /mSlicers[slicer]->GetFusion()->GetSpacing()[0];
-            double Yfus = (y - mSlicers[slicer]->GetFusion()->GetOrigin()[1])
-                /mSlicers[slicer]->GetFusion()->GetSpacing()[1];
-            double Zfus = (z - mSlicers[slicer]->GetFusion()->GetOrigin()[2])
-                /mSlicers[slicer]->GetFusion()->GetSpacing()[2];
-            if (Xfus >= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[0] &&
-                    Xfus <= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[1] &&
-                    Yfus >= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[2] &&
-                    Yfus <= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[3] &&
-                    Zfus >= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[4] &&
-                    Zfus <= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[5])
+         displayFus = 1;
+         double Xfus = (x - mSlicers[slicer]->GetFusion()->GetOrigin()[0])
+           /mSlicers[slicer]->GetFusion()->GetSpacing()[0];
+         double Yfus = (y - mSlicers[slicer]->GetFusion()->GetOrigin()[1])
+           /mSlicers[slicer]->GetFusion()->GetSpacing()[1];
+         double Zfus = (z - mSlicers[slicer]->GetFusion()->GetOrigin()[2])
+           /mSlicers[slicer]->GetFusion()->GetSpacing()[2];
+         if (Xfus >= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[0] &&
+             Xfus <= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[1] &&
+             Yfus >= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[2] &&
+             Yfus <= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[3] &&
+             Zfus >= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[4] &&
+             Zfus <= mSlicers[slicer]->GetFusionMapper()->GetInput()->GetWholeExtent()[5])
             {
-                valueFus = static_cast<vtkImageData*>(mSlicers[slicer]->GetFusionMapper()->GetInput())->
-                    GetScalarComponentAsDouble(
-                            (int)floor(Xfus),
-                            (int)floor(Yfus),
-                            (int)floor(Zfus),0);
+             valueFus = static_cast<vtkImageData*>(mSlicers[slicer]->GetFusionMapper()->GetInput())->
+               GetScalarComponentAsDouble(
+                                          (int)floor(Xfus),
+                                          (int)floor(Yfus),
+                                          (int)floor(Zfus),0);
             }
         }
-        emit UpdatePosition(mSlicers[slicer]->GetCursorVisibility(),
-                x,y,z,X,Y,Z,value);
-        emit UpdateVector(displayVec,xVec, yVec, zVec, valueVec);
-        emit UpdateOverlay(displayOver,valueOver,value);
-        emit UpdateFusion(displayFus,valueFus);
-        for (unsigned int i = 0; i < mSlicers.size(); i++)
+      emit UpdatePosition(mSlicers[slicer]->GetCursorVisibility(),
+                         x,y,z,X,Y,Z,value);
+      emit UpdateVector(displayVec,xVec, yVec, zVec, valueVec);
+      emit UpdateOverlay(displayOver,valueOver,value);
+      emit UpdateFusion(displayFus,valueFus);
+      for (unsigned int i = 0; i < mSlicers.size(); i++)
         {
-            if (mSlicers[i]->GetImageActor()->GetVisibility() == 1)
-                emit UpdateWindows(i,mSlicers[i]->GetSliceOrientation(),mSlicers[i]->GetSlice());
-            else
-                emit UpdateWindows(i,-1,-1);
+         if (mSlicers[i]->GetImageActor()->GetVisibility() == 1)
+           emit UpdateWindows(i,mSlicers[i]->GetSliceOrientation(),mSlicers[i]->GetSlice());
+         else
+           emit UpdateWindows(i,-1,-1);
         }
     }
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::Activated()
 {
-    emit currentImageChanged(mId);
+  emit currentImageChanged(mId);
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::UpdateWindowLevel()
 {
-    emit WindowLevelChanged(mSlicers[0]->GetColorWindow(),mSlicers[0]->GetColorLevel(),mPreset,mColorMap);
+  emit WindowLevelChanged(mSlicers[0]->GetColorWindow(),mSlicers[0]->GetColorLevel(),mPreset,mColorMap);
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::UpdateSlice(int slicer)
 {
-    emit UpdateSlice(slicer, mSlicers[slicer]->GetSlice());
+  // DD("vvSlicerManager::UpdateSlice emit UpdateSlice");
+//   DD(slicer);
+//   DD(mSlicers[slicer]->GetSlice());
+  if (mPreviousSlice[slicer] == mSlicers[slicer]->GetSlice()) {
+    //DD("============= NOTHING");
+    return;
+  }
+  emit UpdateSlice(slicer, mSlicers[slicer]->GetSlice());
+  mPreviousSlice[slicer] = mSlicers[slicer]->GetSlice();
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::UpdateTSlice(int slicer)
 {
-    emit UpdateTSlice(slicer,mSlicers[0]->GetTSlice());
+  // DD("vvSlicerManager::UpdateTSlice emit UpdateTSlice");
+//   DD(slicer);
+//   DD(mSlicers[slicer]->GetTSlice());
+//   DD(mSlicers[slicer]->GetSlice());
+  if (mPreviousSlice[slicer] == mSlicers[slicer]->GetSlice()) {
+    if (mPreviousTSlice[slicer] == mSlicers[slicer]->GetTSlice()) {
+      //      DD("************** NOTHING ***********");
+      return;
+    }
+  }
+  mPreviousSlice[slicer] = mSlicers[slicer]->GetSlice();
+  mPreviousTSlice[slicer] = mSlicers[slicer]->GetTSlice();
+  emit UpdateTSlice(slicer,mSlicers[slicer]->GetTSlice());  
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::UpdateSliceRange(int slicer)
 {
-    emit UpdateSliceRange(slicer,
-                          mSlicers[slicer]->GetSliceRange()[0], mSlicers[slicer]->GetSliceRange()[1],
-                          0,mSlicers[slicer]->GetTMax());
+  emit UpdateSliceRange(slicer,
+                       mSlicers[slicer]->GetSliceRange()[0], mSlicers[slicer]->GetSliceRange()[1],
+                       0,mSlicers[slicer]->GetTMax());
 }
+//----------------------------------------------------------------------------
+
 
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetPreset(int preset)
 {
-    double range[2];
-    mImage->GetScalarRange(range);
-    //vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
-    double window = mSlicers[0]->GetColorWindow();
-    double level = mSlicers[0]->GetColorLevel();
+  //vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
+  double window = mSlicers[0]->GetColorWindow();
+  double level = mSlicers[0]->GetColorLevel();
 
-    std::string component_type=mImage->GetScalarTypeAsString();
-    switch (preset)
+  std::string component_type=mImage->GetScalarTypeAsString();
+  switch (preset)
     {
     case 0:
-        if (component_type == "unsigned_char")
+      if (component_type == "unsigned_char")
         {
-            window = 255;
-            level = 127;
+         window = 255;
+         level = 127;
         }
-        else if (component_type == "short")
+      else if (component_type == "short")
         {
-            window = 2000;
-            level = 0;
+         window = 2000;
+         level = 0;
         }
-        else
+      else
         {
-            window = range[1] - range[0];
-            level = (range[1] + range[0])* 0.5;
+         double range[2];
+         mImage->GetScalarRange(range);
+         window = range[1] - range[0];
+         level = (range[1] + range[0])* 0.5;
         }
-        break;
+      break;
     case 1:
-        window = 2000;
-        level = 0;
-        break;
+      window = 2000;
+      level = 0;
+      break;
     case 2:
-        window = 350;
-        level = 60;
-        break;
+      window = 350;
+      level = 60;
+      break;
     case 3:
-        window = 1500;
-        level = -500;
-        break;
+      window = 1500;
+      level = -500;
+      break;
     case 4:
-        window = 1000;
-        level = 500;
-        break;
+      window = 1000;
+      level = 500;
+      break;
     case 5:
-        window = 1;
-        level = 0.5;
-        break;
+      window = 1;
+      level = 0.5;
+      break;
     case 6:
-        break;
+      break;
     case 7:
-        window=1.;
-        level=1;
-        break;
+      window=1.;
+      level=0.;
+      break;
     }
-    mPreset = preset;
-    this->SetColorWindow(window);
-    this->SetColorLevel(level);
+  mPreset = preset;
+  this->SetColorWindow(window);
+  this->SetColorLevel(level);
+
+  //if (LUT)
+  //{
+  //    SetColorMap(-1);
+  //}
+}
+//----------------------------------------------------------------------------
+
 
-    //if (LUT)
-    //{
-    //    SetColorMap(-1);
-    //}
+//----------------------------------------------------------------------------
+void vvSlicerManager::SetLocalColorWindowing(const int slicer)
+{
+  double min, max;
+  this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max);
+  this->SetColorWindow(max-min);
+  this->SetColorLevel(0.5*(min+max));
+  this->UpdateWindowLevel();
+  this->Render();
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
+void vvSlicerManager::SetColorMap()
+{
+  SetColorMap(mColorMap);
+}
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::SetColorMap(int colormap)
 {
-    double range[2];
-    range[0] = mSlicers[0]->GetInput()->GetScalarRange()[0];
-    range[1] = mSlicers[0]->GetInput()->GetScalarRange()[1];
+  double range[2];
+  range[0] = mSlicers[0]->GetInput()->GetScalarRange()[0];
+  range[1] = mSlicers[0]->GetInput()->GetScalarRange()[1];
 
-    double window = mSlicers[0]->GetWindowLevel()->GetWindow();
-    double level = mSlicers[0]->GetWindowLevel()->GetLevel();
+  double window = mSlicers[0]->GetWindowLevel()->GetWindow();
+  double level = mSlicers[0]->GetWindowLevel()->GetLevel();
 
-    vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
-    switch (colormap)
+  vtkLookupTable* LUT = static_cast<vtkLookupTable*>(mSlicers[0]->GetWindowLevel()->GetLookupTable());
+  switch (colormap)
     {
     case -1:
-        if (LUT)
-            LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
-        break;
+      break;
     case 0:
-        LUT = NULL;
-        break;
+      LUT = NULL;
+      break;
     case 1:
-        if (LUT == NULL)
-            LUT = vtkLookupTable::New();
-        LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
-        LUT->SetValueRange(0,1);
-        LUT->SetSaturationRange(1,1);
-        LUT->SetHueRange(0,0.18);
-        break;
+      if (LUT == NULL)
+       LUT = vtkLookupTable::New();
+      LUT->SetValueRange(0,1);
+      LUT->SetSaturationRange(1,1);
+      LUT->SetHueRange(0,0.18);
+      break;
     case 2:
-        if (LUT == NULL)
-            LUT = vtkLookupTable::New();
-        LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
-        LUT->SetValueRange(0,1);
-        LUT->SetSaturationRange(1,1);
-        LUT->SetHueRange(0.4,0.80);
-        break;
+      if (LUT == NULL)
+       LUT = vtkLookupTable::New();
+      LUT->SetValueRange(0,1);
+      LUT->SetSaturationRange(1,1);
+      LUT->SetHueRange(0.4,0.80);
+      break;
     case 3:
-        if (LUT == NULL)
-            LUT = vtkLookupTable::New();
-        LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
-        LUT->SetValueRange(0,1);
-        LUT->SetSaturationRange(1,1);
-        LUT->SetHueRange(0,1);
-        break;
+      if (LUT == NULL)
+       LUT = vtkLookupTable::New();
+      LUT->SetValueRange(0,1);
+      LUT->SetSaturationRange(1,1);
+      LUT->SetHueRange(0,1);
+      break;
     case 5:
-        if (LUT == NULL)
-            LUT = vtkLookupTable::New();
-        LUT->SetValueRange(0.,1);
-        LUT->SetSaturationRange(1,1);
-        LUT->SetHueRange(1,0.1);
-        //LUT->SetRampToLinear();
-        break;
-    }
-    if (LUT)
-        LUT->Build();
-    vtkLookupTable* fusLUT = NULL;
-    if (mSlicers[0]->GetFusion())
-    {
-        fusLUT = vtkLookupTable::New();
-        double fusRange [2];
-        fusRange[0] = mFusionLevel - mFusionWindow/2;
-        fusRange[1] = mFusionLevel + mFusionWindow/2;
-        fusLUT->SetTableRange(fusRange[0],fusRange[1]);
-        fusLUT->SetValueRange(1,1);
-        fusLUT->SetSaturationRange(1,1);
-        if (mFusionColorMap == 1)
-            fusLUT->SetHueRange(0,0.18);
-        else if (mFusionColorMap == 2)
-            fusLUT->SetHueRange(0.4,0.80);
-        else if (mFusionColorMap == 3)
-            fusLUT->SetHueRange(0,1);
-        fusLUT->Build();
-        if (mFusionColorMap == 0)
-            fusLUT = NULL;
-    }
-    for ( unsigned int i = 0; i < mSlicers.size(); i++) {
-        if (mSlicers[i]->GetOverlay() && mSlicers[i]->GetOverlayActor()->GetVisibility()) {
-            vtkLookupTable* supLUT = vtkLookupTable::New();
-            supLUT->SetTableRange(range[0],range[1]);
-            supLUT->SetValueRange(1,1);
-            supLUT->SetSaturationRange(1,1);
-            supLUT->SetHueRange(double(mOverlayColor)/360,double(mOverlayColor)/360);
-            supLUT->Build();
-            vtkLookupTable* invLUT = vtkLookupTable::New();
-            invLUT->SetTableRange(range[0],range[1]);
-            invLUT->SetValueRange(1,1);
-            invLUT->SetSaturationRange(1,1);
-            invLUT->SetHueRange(double((mOverlayColor+180)%360)/360,double((mOverlayColor+180)%360)/360);
-            invLUT->Build();
-            dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
-                ->SetWindowLevelMode(true);
-            mSlicers[i]->GetWindowLevel()->SetLookupTable(supLUT);
-            mSlicers[i]->GetOverlayMapper()->SetLookupTable(invLUT);
-            invLUT->Delete();
-            supLUT->Delete();
-        }
-        else if (mSlicers[i]->GetOverlay())
-        {
-            dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
-                ->SetWindowLevelMode(false);
-            mSlicers[i]->GetWindowLevel()->SetLookupTable(NULL);
-        }
-        else
-        {
-            mSlicers[i]->GetWindowLevel()->SetLookupTable(LUT);
-        }
-        if (mSlicers[i]->GetFusion() && mSlicers[i]->GetFusionActor()->GetVisibility())
-        {
-            mSlicers[i]->GetFusionActor()->SetOpacity(double(mFusionOpacity)/100);
-            mSlicers[i]->GetFusionMapper()->SetLookupTable(fusLUT);
-        }
+      if (LUT == NULL)
+       LUT = vtkLookupTable::New();
+      LUT->SetValueRange(0.,1);
+      LUT->SetSaturationRange(1,1);
+      LUT->SetHueRange(1,0.1);
+      //LUT->SetRampToLinear();
+      break;
     }
-    if (fusLUT)
-        fusLUT->Delete();
-    if (colormap >= 0)
-        mColorMap = colormap;
+  if (LUT)
+    {
+      LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
+      LUT->Build();
+    }
+  vtkLookupTable* fusLUT = NULL;
+  if (mSlicers[0]->GetFusion())
+    {
+      fusLUT = vtkLookupTable::New();
+      double fusRange [2];
+      fusRange[0] = mFusionLevel - mFusionWindow/2;
+      fusRange[1] = mFusionLevel + mFusionWindow/2;
+      fusLUT->SetTableRange(fusRange[0],fusRange[1]);
+      fusLUT->SetValueRange(1,1);
+      fusLUT->SetSaturationRange(1,1);
+      if (mFusionColorMap == 1)
+       fusLUT->SetHueRange(0,0.18);
+      else if (mFusionColorMap == 2)
+       fusLUT->SetHueRange(0.4,0.80);
+      else if (mFusionColorMap == 3)
+       fusLUT->SetHueRange(0,1);
+      fusLUT->Build();
+      if (mFusionColorMap == 0)
+       fusLUT = NULL;
+    }
+  for ( unsigned int i = 0; i < mSlicers.size(); i++) {
+    if (mSlicers[i]->GetOverlay() && mSlicers[i]->GetOverlayActor()->GetVisibility()) {
+      vtkLookupTable* supLUT = vtkLookupTable::New();
+      supLUT->SetTableRange(range[0],range[1]);
+      supLUT->SetValueRange(1,1);
+      supLUT->SetSaturationRange(1,1);
+      supLUT->SetHueRange(double(mOverlayColor)/360,double(mOverlayColor)/360);
+      supLUT->Build();
+      vtkLookupTable* invLUT = vtkLookupTable::New();
+      invLUT->SetTableRange(range[0],range[1]);
+      invLUT->SetValueRange(1,1);
+      invLUT->SetSaturationRange(1,1);
+      invLUT->SetHueRange(double((mOverlayColor+180)%360)/360,double((mOverlayColor+180)%360)/360);
+      invLUT->Build();
+      dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
+       ->SetWindowLevelMode(true);
+      mSlicers[i]->GetWindowLevel()->SetLookupTable(supLUT);
+      mSlicers[i]->GetOverlayMapper()->SetLookupTable(invLUT);
+      invLUT->Delete();
+      supLUT->Delete();
+    }
+    else if (mSlicers[i]->GetOverlay())
+      {
+       //dynamic_cast<vvImageMapToWLColors*>(mSlicers[i]->GetWindowLevel())
+       //->SetWindowLevelMode(false);
+       mSlicers[i]->GetWindowLevel()->SetLookupTable(LUT);
+      }
+    else
+      {
+       mSlicers[i]->GetWindowLevel()->SetLookupTable(LUT);
+      }
+    if (mSlicers[i]->GetFusion() && mSlicers[i]->GetFusionActor()->GetVisibility())
+      {
+       mSlicers[i]->GetFusionActor()->SetOpacity(double(mFusionOpacity)/100);
+       mSlicers[i]->GetFusionMapper()->SetLookupTable(fusLUT);
+      }
+  }
+  if (fusLUT)
+    fusLUT->Delete();
+  if (colormap >= 0)
+    mColorMap = colormap;
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 vvLandmarks* vvSlicerManager::GetLandmarks()
 {
-    if (mLandmarks == NULL)
+  if (mLandmarks == NULL)
     {
-        mLandmarks = new vvLandmarks(mSlicers[0]->GetTMax()+1);
-        for (unsigned int i = 0; i < mSlicers.size(); i++)
-            mSlicers[i]->SetLandmarks(mLandmarks);
+      mLandmarks = new vvLandmarks(mSlicers[0]->GetTMax()+1);
+      for (unsigned int i = 0; i < mSlicers.size(); i++)
+       mSlicers[i]->SetLandmarks(mLandmarks);
     }
-    return mLandmarks;
+  return mLandmarks;
 }
+//----------------------------------------------------------------------------
 
+
+//----------------------------------------------------------------------------
 void vvSlicerManager::AddLandmark(float x,float y,float z,float t)
 {
-    double x_index = (x - mSlicers[0]->GetInput()->GetOrigin()[0])/mSlicers[0]->GetInput()->GetSpacing()[0];
-    double y_index = (y - mSlicers[0]->GetInput()->GetOrigin()[1])/mSlicers[0]->GetInput()->GetSpacing()[1];
-    double z_index = (z - mSlicers[0]->GetInput()->GetOrigin()[2])/mSlicers[0]->GetInput()->GetSpacing()[2];
-    double value = mSlicers[0]->GetInput()->GetScalarComponentAsDouble(
-            (int)x_index,
-            (int)y_index,
-            (int)z_index,0);
-    this->GetLandmarks()->AddLandmark(x,y,z,t,value);
-    emit LandmarkAdded();
+  double x_index = (x - mSlicers[0]->GetInput()->GetOrigin()[0])/mSlicers[0]->GetInput()->GetSpacing()[0];
+  double y_index = (y - mSlicers[0]->GetInput()->GetOrigin()[1])/mSlicers[0]->GetInput()->GetSpacing()[1];
+  double z_index = (z - mSlicers[0]->GetInput()->GetOrigin()[2])/mSlicers[0]->GetInput()->GetSpacing()[2];
+  double value = mSlicers[0]->GetInput()->GetScalarComponentAsDouble(
+                                                                    (int)x_index,
+                                                                    (int)y_index,
+                                                                    (int)z_index,0);
+  this->GetLandmarks()->AddLandmark(x,y,z,t,value);
+  emit LandmarkAdded();
+}
+//----------------------------------------------------------------------------
+
+//----------------------------------------------------------------------------
+void vvSlicerManager::PrevImage(int slicer)
+{
+  emit ChangeImageWithIndexOffset(this, slicer, -1);
+}
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
+void vvSlicerManager::NextImage(int slicer)
+{
+  emit ChangeImageWithIndexOffset(this, slicer,  1);
 }
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
+void vvSlicerManager::VerticalSliderHasChanged(int slicer, int slice) {
+  emit AVerticalSliderHasChanged(slicer, slice);
+}
+    
+//----------------------------------------------------------------------------