X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=vv%2FvvSlicer.cxx;h=7efaf2675c4caa351f090d1ce2de2a5d3e397972;hb=30133023f12212c84e7b4e9318f1055ec3176af1;hp=17aa41b81a9619b928a3268fea886d6d4c858fad;hpb=58b9eaff4d486cb20d94ff4921d851e93c62c84f;p=clitk.git

diff --git a/vv/vvSlicer.cxx b/vv/vvSlicer.cxx
index 17aa41b..7efaf26 100644
--- a/vv/vvSlicer.cxx
+++ b/vv/vvSlicer.cxx
@@ -16,13 +16,21 @@
   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
   ===========================================================================**/
 
+#include <QMessageBox>
+#include <QString>
+
 #include "vvSlicer.h"
 #include "vvImage.h"
 #include "vvSlicerManagerCommand.h"
 #include "vvGlyphSource.h"
 #include "vvGlyph2D.h"
-#include "vvImageMapToWLColors.h"
 
+#include <vtkVersion.h>
+#include <vtkExtentTranslator.h>
+#include <vtkAlgorithm.h>
+#include <vtkExecutive.h>
+#include <vtkStreamingDemandDrivenPipeline.h>
+#include <vtkInformation.h>
 #include <vtkTextProperty.h>
 #include <vtkTextActor.h>
 #include <vtkTextSource.h>
@@ -41,6 +49,7 @@
 #include <vtkDataArray.h>
 #include <vtkFloatArray.h>
 #include <vtkClipPolyData.h>
+#include <vtkActor2DCollection.h>
 #include <vtkGlyph3D.h>
 #include <vtkMath.h>
 #include <vtkCursor3D.h>
@@ -67,20 +76,26 @@
 #include <vtkImageAccumulate.h>
 #include <vtkImageReslice.h>
 #if VTK_MAJOR_VERSION >= 6 || (VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10)
+#  include <vtkOpenGLImageSliceMapper.h>
 #  include <vtkImageMapper3D.h>
+#  include <vtkImageSliceMapper.h>
 #endif
 
-vtkCxxRevisionMacro(vvSlicer, "DummyRevision");
 vtkStandardNewMacro(vvSlicer);
 static void copyExtent(int* in, int* to){
- for(int i=0; i<6; ++i) to[i]=in[i]; 
+ for(int i=0; i<6; ++i) 
+ {
+	to[i]=in[i];
+ } 
 }
 //------------------------------------------------------------------------------
 vvSlicer::vvSlicer()
-{
+{ 
+	mFusionSequenceCode = -1;
   this->UnInstallPipeline();
   mImage = NULL;
   mReducedExtent = new int[6];
+  mRegisterExtent = NULL;
   mCurrentTSlice = 0;
   mCurrentFusionTSlice = 0;
   mCurrentOverlayTSlice = 0;
@@ -90,10 +105,10 @@ vvSlicer::vvSlicer()
   mCurrent[1] = -VTK_DOUBLE_MAX;
   mCurrent[2] = -VTK_DOUBLE_MAX;
 
-  mCursor[0] = -VTK_DOUBLE_MAX;
-  mCursor[1] = -VTK_DOUBLE_MAX;
-  mCursor[2] = -VTK_DOUBLE_MAX;
-  mCursor[3] = -VTK_DOUBLE_MAX;
+  mCursor[0] = 0;//-VTK_DOUBLE_MAX;
+  mCursor[1] = 0;//-VTK_DOUBLE_MAX;
+  mCursor[2] = 0;//-VTK_DOUBLE_MAX;
+  mCursor[3] = 0;//-VTK_DOUBLE_MAX;
 
   mSubSampling = 5;
   mScale = 1;
@@ -110,7 +125,11 @@ vvSlicer::vvSlicer()
   crossCursor->SetRadius(2);
 
   pdm = vtkSmartPointer<vtkPolyDataMapper2D>::New();
+#if VTK_MAJOR_VERSION <= 5
   pdm->SetInput(crossCursor->GetOutput());
+#else
+  pdm->SetInputConnection(crossCursor->GetOutputPort(0));
+#endif
 
   pdmA = vtkSmartPointer<vtkActor2D>::New();
   pdmA->SetMapper(pdm);
@@ -137,12 +156,10 @@ vvSlicer::vvSlicer()
   this->GetRenderer()->AddActor(legend);
   showFusionLegend = false;
 
-  this->WindowLevel->Delete();
-  this->WindowLevel = vvImageMapToWLColors::New();
-
   this->InstallPipeline();
 
   mLinkOverlayWindowLevel = true;
+  mImageVisibility = true;
 
 #if VTK_MAJOR_VERSION >= 6 || (VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10)
   this->GetImageActor()->GetMapper()->BorderOn();
@@ -152,13 +169,14 @@ vvSlicer::vvSlicer()
   mConcatenatedTransform = vtkSmartPointer<vtkTransform>::New();
   mConcatenatedFusionTransform = vtkSmartPointer<vtkTransform>::New();
   mConcatenatedOverlayTransform = vtkSmartPointer<vtkTransform>::New();
+  mFirstSetSliceOrientation = true;
 }
 //------------------------------------------------------------------------------
 
 
 //------------------------------------------------------------------------------
 vtkImageMapToWindowLevelColors* vvSlicer::GetOverlayMapper()
-{
+{ 
   return mOverlayMapper.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -166,7 +184,7 @@ vtkImageMapToWindowLevelColors* vvSlicer::GetOverlayMapper()
 
 //------------------------------------------------------------------------------
 vvBlendImageActor* vvSlicer::GetOverlayActor()
-{
+{ 
   return mOverlayActor.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -174,7 +192,7 @@ vvBlendImageActor* vvSlicer::GetOverlayActor()
 
 //------------------------------------------------------------------------------
 vtkImageMapToColors* vvSlicer::GetFusionMapper()
-{
+{ 
   return mFusionMapper.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -182,7 +200,7 @@ vtkImageMapToColors* vvSlicer::GetFusionMapper()
 
 //------------------------------------------------------------------------------
 vtkImageActor* vvSlicer::GetFusionActor()
-{
+{ 
   return mFusionActor.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -190,7 +208,7 @@ vtkImageActor* vvSlicer::GetFusionActor()
 
 //------------------------------------------------------------------------------
 vtkActor* vvSlicer::GetVFActor()
-{
+{ 
   return mVFActor.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -198,7 +216,7 @@ vtkActor* vvSlicer::GetVFActor()
 
 //------------------------------------------------------------------------------
 vtkCornerAnnotation* vvSlicer::GetAnnotation()
-{
+{ 
   return ca.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -206,7 +224,7 @@ vtkCornerAnnotation* vvSlicer::GetAnnotation()
 
 //------------------------------------------------------------------------------
 void vvSlicer::EnableReducedExtent(bool b)
-{
+{ 
   mUseReducedExtent = b;
 }
 //------------------------------------------------------------------------------
@@ -214,7 +232,7 @@ void vvSlicer::EnableReducedExtent(bool b)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetReducedExtent(int * ext)
-{
+{ 
   copyExtent(ext, mReducedExtent);
 }
 //------------------------------------------------------------------------------
@@ -222,7 +240,7 @@ void vvSlicer::SetReducedExtent(int * ext)
 
 //------------------------------------------------------------------------------
 void vvSlicer::AddContour(vvMesh::Pointer contour,bool propagate)
-{
+{ 
 
   mSurfaceCutActors.push_back(new vvMeshActor());
   if (propagate)
@@ -239,7 +257,7 @@ void vvSlicer::AddContour(vvMesh::Pointer contour,bool propagate)
 
 //------------------------------------------------------------------------------
 void vvSlicer::ToggleContourSuperposition()
-{
+{ 
   for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
        i!=mSurfaceCutActors.end(); i++)
     (*i)->ToggleSuperposition();
@@ -249,7 +267,7 @@ void vvSlicer::ToggleContourSuperposition()
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetCursorColor(int r,int g, int b)
-{
+{ 
   pdmA->GetProperty()->SetColor(r,g,b);
 }
 //------------------------------------------------------------------------------
@@ -257,7 +275,7 @@ void vvSlicer::SetCursorColor(int r,int g, int b)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetCursorVisibility(bool s)
-{
+{ 
   pdmA->SetVisibility(s);
 }
 //------------------------------------------------------------------------------
@@ -265,7 +283,7 @@ void vvSlicer::SetCursorVisibility(bool s)
 
 //------------------------------------------------------------------------------
 bool vvSlicer::GetCursorVisibility()
-{
+{ 
   return pdmA->GetVisibility();
 }
 //------------------------------------------------------------------------------
@@ -273,7 +291,7 @@ bool vvSlicer::GetCursorVisibility()
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetCornerAnnotationVisibility(bool s)
-{
+{ 
   ca->SetVisibility(s);
 }
 //------------------------------------------------------------------------------
@@ -281,7 +299,7 @@ void vvSlicer::SetCornerAnnotationVisibility(bool s)
 
 //------------------------------------------------------------------------------
 bool vvSlicer::GetCornerAnnotationVisibility()
-{
+{ 
   return ca->GetVisibility();
 }
 //------------------------------------------------------------------------------
@@ -289,7 +307,7 @@ bool vvSlicer::GetCornerAnnotationVisibility()
 
 //------------------------------------------------------------------------------
 vvSlicer::~vvSlicer()
-{
+{ 
   for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
        i!=mSurfaceCutActors.end(); i++)
     delete (*i);
@@ -299,26 +317,26 @@ vvSlicer::~vvSlicer()
 
 //------------------------------------------------------------------------------
 double* vvSlicer::GetCurrentPosition()
-{
+{ 
   return mCurrentBeforeSlicingTransform;
 }
 //------------------------------------------------------------------------------
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetCurrentPosition(double x, double y, double z, int t)
-{
+{ 
   mCurrentBeforeSlicingTransform[0]=x;
   mCurrentBeforeSlicingTransform[1]=y;
   mCurrentBeforeSlicingTransform[2]=z;
   mSlicingTransform->GetInverse()->TransformPoint(mCurrentBeforeSlicingTransform,mCurrent);
-  SetTSlice(t);
+  if (t>=0) SetTSlice(t);
 }
 //------------------------------------------------------------------------------
 
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetImage(vvImage::Pointer image)
-{
+{ 
   if (image->GetVTKImages().size()) {
     mImage = image;
 
@@ -333,13 +351,26 @@ void vvSlicer::SetImage(vvImage::Pointer image)
     mConcatenatedTransform->Concatenate(mImage->GetTransform()[0]);
     mConcatenatedTransform->Concatenate(mSlicingTransform);
     mImageReslice->SetResliceTransform(mConcatenatedTransform);
+#if VTK_MAJOR_VERSION <= 5
     mImageReslice->SetInput(0, mImage->GetFirstVTKImageData());
+#else
+    mImageReslice->SetInputData(0, mImage->GetFirstVTKImageData());
+#endif
     mImageReslice->UpdateInformation();
 
+#if VTK_MAJOR_VERSION <= 5
     this->Superclass::SetInput(mImageReslice->GetOutput());
+#else
+    this->Superclass::SetInputConnection(mImageReslice->GetOutputPort());
+#endif
 
     int extent[6];
+#if VTK_MAJOR_VERSION <= 5
     this->GetInput()->GetWholeExtent(extent);
+#else
+    int* ext = mImageReslice->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT());
+    copyExtent(ext, extent);
+#endif
 
     // Prevent crash when reload -> change slice if outside extent
     if (Slice < extent[SliceOrientation*2] || Slice>=extent[SliceOrientation*2+1]) {
@@ -348,9 +379,14 @@ void vvSlicer::SetImage(vvImage::Pointer image)
 
     // Make sure that the required part image has been computed
     extent[SliceOrientation*2] = Slice;
-    extent[SliceOrientation*2+1] = Slice;
+    extent[SliceOrientation*2+1] = Slice;    
+#if VTK_MAJOR_VERSION <= 5
     mImageReslice->GetOutput()->SetUpdateExtent(extent);
     mImageReslice->GetOutput()->Update();
+#else
+    //mImageReslice->SetUpdateExtent(extent);
+    mImageReslice->Update();
+#endif
 
     this->UpdateDisplayExtent();
 
@@ -363,9 +399,10 @@ void vvSlicer::SetImage(vvImage::Pointer image)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetOverlay(vvImage::Pointer overlay)
-{
+{ 
   if (overlay->GetVTKImages().size()) {
     mOverlay = overlay;
+    mOverlayVisibility = true;
     
     if (!mOverlayReslice) {
       mOverlayReslice = vtkSmartPointer<vtkImageReslice>::New();
@@ -378,16 +415,29 @@ void vvSlicer::SetOverlay(vvImage::Pointer overlay)
     mConcatenatedOverlayTransform->Concatenate(mOverlay->GetTransform()[0]);
     mConcatenatedOverlayTransform->Concatenate(mSlicingTransform);
     mOverlayReslice->SetResliceTransform(mConcatenatedOverlayTransform);
+#if VTK_MAJOR_VERSION <= 5
     mOverlayReslice->SetInput(0, mOverlay->GetFirstVTKImageData());
     mImageReslice->UpdateInformation();
+#else
+    mOverlayReslice->SetInputData(0, mOverlay->GetFirstVTKImageData());
+#endif
+    mOverlayReslice->Update();
 
     if (!mOverlayMapper)
       mOverlayMapper = vtkSmartPointer<vtkImageMapToWindowLevelColors>::New();
+#if VTK_MAJOR_VERSION <= 5
     mOverlayMapper->SetInput(mOverlayReslice->GetOutput());
+#else
+    mOverlayMapper->SetInputConnection(mOverlayReslice->GetOutputPort(0));
+#endif
 
     if (!mOverlayActor) {
       mOverlayActor = vtkSmartPointer<vvBlendImageActor>::New();
+#if VTK_MAJOR_VERSION <= 5
       mOverlayActor->SetInput(mOverlayMapper->GetOutput());
+#else
+      mOverlayActor->GetMapper()->SetInputConnection(mOverlayMapper->GetOutputPort());
+#endif
       mOverlayActor->SetPickable(0);
       mOverlayActor->SetVisibility(true);
       mOverlayActor->SetOpacity(0.5);
@@ -414,10 +464,12 @@ void vvSlicer::SetOverlay(vvImage::Pointer overlay)
 
 
 //------------------------------------------------------------------------------
-void vvSlicer::SetFusion(vvImage::Pointer fusion)
-{
+void vvSlicer::SetFusion(vvImage::Pointer fusion, int fusionSequenceCode)
+{ 
+	mFusionSequenceCode = fusionSequenceCode;
   if (fusion->GetVTKImages().size()) {
     mFusion = fusion;
+    mFusionVisibility = true;
 
     if (!mFusionReslice) {
       mFusionReslice = vtkSmartPointer<vtkImageReslice>::New();
@@ -430,8 +482,13 @@ void vvSlicer::SetFusion(vvImage::Pointer fusion)
     mConcatenatedFusionTransform->Concatenate(mFusion->GetTransform()[0]);
     mConcatenatedFusionTransform->Concatenate(mSlicingTransform);
     mFusionReslice->SetResliceTransform(mConcatenatedFusionTransform);
+#if VTK_MAJOR_VERSION <= 5
     mFusionReslice->SetInput(0, mFusion->GetFirstVTKImageData());
     mFusionReslice->UpdateInformation();
+#else
+    mFusionReslice->SetInputData(0, mFusion->GetFirstVTKImageData());
+#endif
+    mFusionReslice->Update();
 
     if (!mFusionMapper)
       mFusionMapper = vtkSmartPointer<vtkImageMapToColors>::New();
@@ -442,17 +499,26 @@ void vvSlicer::SetFusion(vvImage::Pointer fusion)
     lut->SetSaturationRange(0, 0);
     lut->Build();
     mFusionMapper->SetLookupTable(lut);
+#if VTK_MAJOR_VERSION <= 5
     mFusionMapper->SetInput(mFusionReslice->GetOutput());
-
+#else
+    mFusionMapper->SetInputConnection(mFusionReslice->GetOutputPort(0));
+#endif
+    
     if (!mFusionActor) {
       mFusionActor = vtkSmartPointer<vtkImageActor>::New();
+#if VTK_MAJOR_VERSION <= 5
       mFusionActor->SetInput(mFusionMapper->GetOutput());
+#else
+      mFusionActor->GetMapper()->SetInputConnection(mFusionMapper->GetOutputPort());
+#endif
       mFusionActor->SetPickable(0);
       mFusionActor->SetVisibility(true);
       mFusionActor->SetOpacity(0.7);
 #if VTK_MAJOR_VERSION >= 6 || (VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10)
       mFusionActor->GetMapper()->BorderOn();
 #endif
+
       this->GetRenderer()->AddActor(mFusionActor);
     }
 
@@ -467,42 +533,33 @@ void vvSlicer::SetFusion(vvImage::Pointer fusion)
 
 //------------------------------------------------------------------------------
 bool vvSlicer::GetActorVisibility(const std::string& actor_type, int overlay_index)
-{
+{ 
   bool vis = false;
-  if (actor_type == "image") {
-    vis = this->ImageActor->GetVisibility();
-  }
-  else if (actor_type == "vector") {
-    vis = this->mVFActor->GetVisibility();
-  }
-  else if (actor_type == "overlay") {
-    vis = this->mOverlayActor->GetVisibility();
-  }
-  else if (actor_type == "fusion") {
-    vis = this->mFusionActor->GetVisibility();
-  }
+  if (actor_type == "image")
+    vis = mImageVisibility;
+  else if (actor_type == "vector")
+    vis = mVFVisibility;
+  else if (actor_type == "overlay")
+    vis = mOverlayVisibility;
+  else if ( (actor_type == "fusion") || (actor_type == "fusionSequence") )
+    vis = mFusionVisibility;
   else if (actor_type == "contour")
     vis = this->mSurfaceCutActors[overlay_index]->GetActor()->GetVisibility();
-
   return vis;
 }
 //------------------------------------------------------------------------------
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetActorVisibility(const std::string& actor_type, int overlay_index ,bool vis)
-{
-  if (actor_type == "image") {
-    this->ImageActor->SetVisibility(vis);
-  }
-  else if (actor_type == "vector") {
-    this->mVFActor->SetVisibility(vis);
-  }
-  else if (actor_type == "overlay") {
-    this->mOverlayActor->SetVisibility(vis);
-  }
-  else if (actor_type == "fusion") {
-    this->mFusionActor->SetVisibility(vis);
-  }
+{ 
+  if (actor_type == "image")
+    mImageVisibility = vis;
+  else if (actor_type == "vector")
+    mVFVisibility = vis;
+  else if (actor_type == "overlay")
+    mOverlayVisibility = vis;
+  else if ( (actor_type == "fusion") || (actor_type == "fusionSequence") )
+    mFusionVisibility = vis;
   else if (actor_type == "contour")
     this->mSurfaceCutActors[overlay_index]->GetActor()->SetVisibility(vis);
   UpdateDisplayExtent();
@@ -511,17 +568,23 @@ void vvSlicer::SetActorVisibility(const std::string& actor_type, int overlay_ind
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVF(vvImage::Pointer vf)
-{
+{ 
   if (vf->GetVTKImages().size()) {
     mVF = vf;
+    mVFVisibility = true;
 
     if (!mAAFilter) {
       mAAFilter= vtkSmartPointer<vtkAssignAttribute>::New();
       mVOIFilter = vtkSmartPointer<vtkExtractVOI>::New();
       mVOIFilter->SetSampleRate(mSubSampling,mSubSampling,mSubSampling);
     }
+#if VTK_MAJOR_VERSION <= 5
     mVOIFilter->SetInput(vf->GetFirstVTKImageData());
     mAAFilter->SetInput(mVOIFilter->GetOutput());
+#else
+    mVOIFilter->SetInputData(vf->GetFirstVTKImageData());
+    mAAFilter->SetInputConnection(mVOIFilter->GetOutputPort());
+#endif
     ///This tells VTK to use the scalar (pixel) data of the image to draw the little arrows
     mAAFilter->Assign(vtkDataSetAttributes::SCALARS, vtkDataSetAttributes::VECTORS, vtkAssignAttribute::POINT_DATA);
 
@@ -534,8 +597,13 @@ void vvSlicer::SetVF(vvImage::Pointer vf)
     // Glyph the gradient vector (with arrows)
     if (!mGlyphFilter)
       mGlyphFilter = vtkSmartPointer<vvGlyph2D>::New();
+#if VTK_MAJOR_VERSION <= 5
     mGlyphFilter->SetInput(mAAFilter->GetOutput());
     mGlyphFilter->SetSource(mArrow->GetOutput());
+#else
+    mGlyphFilter->SetInputConnection(mAAFilter->GetOutputPort());
+    mGlyphFilter->SetSourceConnection(mArrow->GetOutputPort());
+#endif
     mGlyphFilter->ScalingOn();
     mGlyphFilter->SetScaleModeToScaleByVector();
     mGlyphFilter->OrientOn();
@@ -553,7 +621,11 @@ void vvSlicer::SetVF(vvImage::Pointer vf)
 
     if (!mVFMapper)
       mVFMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
+#if VTK_MAJOR_VERSION <= 5
     mVFMapper->SetInput(mGlyphFilter->GetOutput());
+#else
+    mVFMapper->SetInputConnection(mGlyphFilter->GetOutputPort());
+#endif
     mVFMapper->ImmediateModeRenderingOn();
     mVFMapper->SetLookupTable(mVFColorLUT);
 
@@ -574,48 +646,71 @@ void vvSlicer::SetVF(vvImage::Pointer vf)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetLandmarks(vvLandmarks* landmarks)
-{
+{ 
   mLandmarks = landmarks;
   if (landmarks) {
 
     if (!mCross)
       mCross = vtkSmartPointer<vtkCursor3D>::New();
+	if (!mClipBox)
+      mClipBox = vtkSmartPointer<vtkBox>::New();
+    if (!mLandClipper)
+      mLandClipper = vtkSmartPointer<vvClipPolyData>::New();
+    if (!mLandGlyph)
+      mLandGlyph = vtkSmartPointer<vtkGlyph3D>::New();
+    if (!mLandMapper)
+      mLandMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
+    if (!mLandActor)
+      mLandActor = vtkSmartPointer<vtkActor>::New();
+
     mCross->SetFocalPoint(0.0,0.0,0.0);
     mCross->SetModelBounds(-10,10,-10,10,-10,10);
     mCross->AllOff();
     mCross->AxesOn();
 
-    if (!mLandGlyph)
-      mLandGlyph = vtkSmartPointer<vtkGlyph3D>::New();
+    mLandClipper->SetClipFunction(mClipBox);
+    mLandClipper->InsideOutOn();
+#if VTK_MAJOR_VERSION <= 5
+    mLandmarkTransform = vtkSmartPointer<vtkTransformPolyDataFilter>::New();
+    mLandmarkTransform->SetInput(mLandmarks->GetOutput());
+    mConcatenatedTransform->Identity();
+    mConcatenatedTransform->Concatenate(mImage->GetTransform()[0]);
+    mConcatenatedTransform->Concatenate(mSlicingTransform);
+    mLandmarkTransform->SetTransform(mConcatenatedTransform->GetInverse());
+    mLandClipper->SetInput(mLandmarkTransform->GetOutput());
+
     mLandGlyph->SetSource(mCross->GetOutput());
-    mLandGlyph->SetInput(landmarks->GetOutput());
-    //mLandGlyph->SetIndexModeToScalar();
-    mLandGlyph->SetRange(0,1);
-    mLandGlyph->ScalingOff();
+    mLandGlyph->SetInput(mLandClipper->GetOutput());
+#else
+    mLandmarkTransform = vtkSmartPointer<vtkTransformPolyDataFilter>::New();
+    mLandmarkTransform->SetInputData(mLandmarks->GetOutput());
+    mConcatenatedTransform->Identity();
+    mConcatenatedTransform->Concatenate(mImage->GetTransform()[0]);
+    mConcatenatedTransform->Concatenate(mSlicingTransform);
+    mLandmarkTransform->SetTransform(mConcatenatedTransform->GetInverse());
+    mLandClipper->SetInputConnection(mLandmarkTransform->GetOutputPort());
 
-    mLandGlyph->SetColorModeToColorByScalar();
+    mLandGlyph->SetSourceConnection(mCross->GetOutputPort());
+    mLandGlyph->SetInputConnection(mLandClipper->GetOutputPort());
+#endif
+    //mLandGlyph->SetIndexModeToScalar();
+    //mLandGlyph->SetRange(0,1);
+    //mLandGlyph->ScalingOff();
 
-    if (!mClipBox)
-      mClipBox = vtkSmartPointer<vtkBox>::New();
-    if (!mLandClipper)
-      mLandClipper = vtkSmartPointer<vtkClipPolyData>::New();
-    mLandClipper->InsideOutOn();
-    mLandClipper->SetInput(mLandGlyph->GetOutput());
-    mLandClipper->SetClipFunction(mClipBox);
+    //mLandGlyph->SetColorModeToColorByScalar();
+    
+    mLandGlyph->SetScaleModeToDataScalingOff();
+    mLandGlyph->SetIndexModeToOff();
 
-    if (!mLandMapper)
-      mLandMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
-    mLandMapper->SetInputConnection(mLandClipper->GetOutputPort());
+    mLandMapper->SetInputConnection(mLandGlyph->GetOutputPort());
     //mLandMapper->ScalarVisibilityOff();
 
-    if (!mLandActor)
-      mLandActor = vtkSmartPointer<vtkActor>::New();
     mLandActor->SetMapper(mLandMapper);
+    mLandActor->GetProperty()->SetOpacity(0.995);  //in order to get VTK to turn on the alpha-blending in OpenGL
     mLandActor->GetProperty()->SetColor(255,10,212);
     mLandActor->SetPickable(0);
     mLandActor->SetVisibility(true);
     this->UpdateDisplayExtent();
-    this->GetRenderer()->AddActor(mLandActor);
   }
 }
 //------------------------------------------------------------------------------
@@ -623,7 +718,7 @@ void vvSlicer::SetLandmarks(vvLandmarks* landmarks)
 //------------------------------------------------------------------------------
 //FIXME: this function leaks memory, we should fix it someday :)
 void vvSlicer::RemoveActor(const std::string& actor_type, int overlay_index)
-{
+{ 
   if (actor_type == "vector") {
     Renderer->RemoveActor(mVFActor);
     mGlyphFilter=NULL;
@@ -640,7 +735,7 @@ void vvSlicer::RemoveActor(const std::string& actor_type, int overlay_index)
     mOverlayActor = NULL;
     mOverlayMapper = NULL;
   }
-  if (actor_type == "fusion") {
+  if ( (actor_type == "fusion") || (actor_type == "fusionSequence") ) {
     Renderer->RemoveActor(mFusionActor);
     mFusion = NULL;
     mFusionActor = NULL;
@@ -656,7 +751,7 @@ void vvSlicer::RemoveActor(const std::string& actor_type, int overlay_index)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVFSubSampling(int sub)
-{
+{ 
   if (mVOIFilter) {
     mVOIFilter->SetSampleRate(mSubSampling,mSubSampling,mSubSampling);
     mSubSampling = sub;
@@ -669,7 +764,7 @@ void vvSlicer::SetVFSubSampling(int sub)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVFScale(int scale)
-{
+{ 
   mScale = scale;
   if (mArrow)
     mArrow->SetScale(mScale);
@@ -680,7 +775,7 @@ void vvSlicer::SetVFScale(int scale)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVFWidth(int width)
-{
+{ 
   mVFWidth = width;
   if (mVFActor)
     mVFActor->GetProperty()->SetLineWidth(mVFWidth);
@@ -692,7 +787,7 @@ void vvSlicer::SetVFWidth(int width)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVFLog(int log)
-{
+{ 
   mVFLog = log;
   if (mGlyphFilter) {
     mGlyphFilter->SetUseLog(mVFLog);
@@ -705,8 +800,22 @@ void vvSlicer::SetVFLog(int log)
 
 
 //------------------------------------------------------------------------------
-void vvSlicer::SetTSlice(int t)
-{
+void vvSlicer::SetTSlice(int t, bool updateLinkedImages)
+{ 
+	if (!updateLinkedImages) {
+		mCurrentTSlice = t;
+#if VTK_MAJOR_VERSION <= 5
+                mImageReslice->SetInput( mImage->GetVTKImages()[mCurrentTSlice] );
+#else
+                mImageReslice->SetInputData( mImage->GetVTKImages()[mCurrentTSlice] );
+#endif
+		// Update transform
+		mConcatenatedTransform->Identity();
+		mConcatenatedTransform->Concatenate(mImage->GetTransform()[mCurrentTSlice]);
+		mConcatenatedTransform->Concatenate(mSlicingTransform);
+		UpdateDisplayExtent();
+		return;
+	}
   if (t < 0)
     mCurrentTSlice = 0;
   else if ((unsigned int)t >= mImage->GetVTKImages().size())
@@ -720,26 +829,43 @@ void vvSlicer::SetTSlice(int t)
   mConcatenatedTransform->Concatenate(mSlicingTransform);
 
   // Update image data
-  mImageReslice->SetInput( mImage->GetVTKImages()[mCurrentTSlice] );
+#if VTK_MAJOR_VERSION <= 5
+   mImageReslice->SetInput( mImage->GetVTKImages()[mCurrentTSlice] );
+#else
+  mImageReslice->SetInputData( mImage->GetVTKImages()[mCurrentTSlice] );
+#endif
   if (mVF && mVFActor->GetVisibility()) {
     if (mVF->GetVTKImages().size() > (unsigned int)mCurrentTSlice)
+#if VTK_MAJOR_VERSION <= 5
       mVOIFilter->SetInput(mVF->GetVTKImages()[mCurrentTSlice]);
+#else
+      mVOIFilter->SetInputData(mVF->GetVTKImages()[mCurrentTSlice]);
+#endif
   }
+  //update the overlay
   if (mOverlay && mOverlayActor->GetVisibility()) {
     if (mOverlay->GetVTKImages().size() > (unsigned int)t) {
       mCurrentOverlayTSlice = t;
+#if VTK_MAJOR_VERSION <= 5
       mOverlayReslice->SetInput( mOverlay->GetVTKImages()[mCurrentOverlayTSlice] );
-
+#else
+      mOverlayReslice->SetInputData( mOverlay->GetVTKImages()[mCurrentOverlayTSlice] );
+#endif
       // Update overlay transform
       mConcatenatedOverlayTransform->Identity();
       mConcatenatedOverlayTransform->Concatenate(mOverlay->GetTransform()[mCurrentOverlayTSlice]);
       mConcatenatedOverlayTransform->Concatenate(mSlicingTransform);
     }
   }
-  if (mFusion && mFusionActor->GetVisibility()) {
+  //update the fusion ; except in case this is a fusionSequence, in which case both 'times' should be independent.
+  if (mFusion && mFusionActor->GetVisibility() && (mFusionSequenceCode<0)) {
     if (mFusion->GetVTKImages().size() > (unsigned int)t) {
       mCurrentFusionTSlice = t;
+#if VTK_MAJOR_VERSION <= 5
       mFusionReslice->SetInput( mFusion->GetVTKImages()[mCurrentFusionTSlice]);
+#else
+      mFusionReslice->SetInputData( mFusion->GetVTKImages()[mCurrentFusionTSlice]);
+#endif
 
       // Update fusion transform
       mConcatenatedFusionTransform->Identity();
@@ -756,20 +882,43 @@ void vvSlicer::SetTSlice(int t)
 //------------------------------------------------------------------------------
 
 
+//------------------------------------------------------------------------------
+void vvSlicer::SetFusionSequenceTSlice(int t)
+{ 
+  if (mFusion && mFusionActor->GetVisibility() && (mFusionSequenceCode>=0)) {
+    if (mFusion->GetVTKImages().size() > (unsigned int)t) {
+      mCurrentFusionTSlice = t;
+#if VTK_MAJOR_VERSION <= 5
+      mFusionReslice->SetInput( mFusion->GetVTKImages()[mCurrentFusionTSlice] );
+#else
+      mFusionReslice->SetInputData( mFusion->GetVTKImages()[mCurrentFusionTSlice] );
+#endif
+      // Update fusion transform
+      mConcatenatedFusionTransform->Identity();
+      mConcatenatedFusionTransform->Concatenate(mFusion->GetTransform()[mCurrentFusionTSlice]); //not really useful...
+      mConcatenatedFusionTransform->Concatenate(mSlicingTransform);
+    }
+  }
+
+  UpdateDisplayExtent();
+}
+//------------------------------------------------------------------------------
+
+
 //------------------------------------------------------------------------------
 int vvSlicer::GetTSlice()
-{
+{ 
   return mCurrentTSlice;
 }
 //------------------------------------------------------------------------------
 
 //------------------------------------------------------------------------------
 int vvSlicer::GetMaxCurrentTSlice()
-{
+{ 
   int t = mCurrentTSlice;
-  if(mOverlay)
+  if(mOverlay && mOverlayActor->GetVisibility())
     t = std::max(t, mCurrentOverlayTSlice);
-  if(mFusion)
+  if(mFusion&& (mFusionSequenceCode<0) && mFusionActor->GetVisibility()) //ignore fusionSequence data: for these, the times are not to be related (this way)
     t = std::max(t, mCurrentFusionTSlice);
   return t;
 }
@@ -777,24 +926,30 @@ int vvSlicer::GetMaxCurrentTSlice()
 
 //------------------------------------------------------------------------------
 int vvSlicer::GetFusionTSlice()
-{
+{ 
   return mCurrentFusionTSlice;
 }
 //------------------------------------------------------------------------------
 
 //------------------------------------------------------------------------------
 int vvSlicer::GetOverlayTSlice()
-{
+{ 
   return mCurrentOverlayTSlice;
 }
 //------------------------------------------------------------------------------
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetSliceOrientation(int orientation)
-{
+{ 
   //if 2D image, force to watch in Axial View
   int extent[6];
-  this->GetInput()->GetWholeExtent(extent);
+#if VTK_MAJOR_VERSION <= 5
+    this->GetInput()->GetWholeExtent(extent);
+#else
+    int* ext = mImageReslice->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT());
+    copyExtent(ext, extent);
+#endif
+
   if (extent[5]-extent[4] <= 2)
     orientation = vtkImageViewer2::SLICE_ORIENTATION_XY;
 
@@ -813,18 +968,34 @@ void vvSlicer::SetSliceOrientation(int orientation)
     AdjustResliceToSliceOrientation(mOverlayReslice);
 
   // Update the viewer
-  int *range = this->GetSliceRange();
-  if (range)
-    this->Slice = static_cast<int>((range[0] + range[1]) * 0.5);
-
+  
   // Go to current cursor position
   // double* cursorPos = GetCursorPosition();
   // DDV(cursorPos, 3);
   // SetCurrentPosition(cursorPos[0],cursorPos[1],cursorPos[2],cursorPos[3]);
 
+  if (mFirstSetSliceOrientation) {
+    int *range = this->GetSliceRange();
+    if (range)
+      this->Slice = static_cast<int>((range[0] + range[1]) * 0.5);
+#if VTK_MAJOR_VERSION <= 5
+      mFirstSetSliceOrientation = false;
+#endif
+  }
+  else if (this->Renderer && this->GetInput()) {
+    double s = mCursor[orientation];
+    double sCursor = (s - this->GetInput()->GetOrigin()[orientation])/this->GetInput()->GetSpacing()[orientation];
+    this->Slice = static_cast<int>(sCursor);
+  }
+
   this->UpdateOrientation();
+  
   this->UpdateDisplayExtent();
-
+  
+  if (mFirstSetSliceOrientation) {
+    mFirstSetSliceOrientation = false;
+  }
+  
   if (this->Renderer && this->GetInput()) {
     double scale = this->Renderer->GetActiveCamera()->GetParallelScale();
     this->Renderer->ResetCamera();
@@ -841,11 +1012,15 @@ void vvSlicer::SetSliceOrientation(int orientation)
 // In other words, we change the grid of the reslice in the same way as the grid
 // of the displayed image in the slicing direction.
 void vvSlicer::AdjustResliceToSliceOrientation(vtkImageReslice *reslice)
-{
+{ 
   // Reset autocrop and update output information
   reslice->SetOutputOriginToDefault();
   reslice->SetOutputSpacingToDefault();
+#if VTK_MAJOR_VERSION <= 5
   reslice->GetOutput()->UpdateInformation();
+#else
+  reslice->UpdateInformation();
+#endif
 
   // Ge new origin / spacing
   double origin[3];
@@ -860,8 +1035,13 @@ void vvSlicer::AdjustResliceToSliceOrientation(vtkImageReslice *reslice)
   // Step 1: from world coordinates to image coordinates
   origin[this->SliceOrientation] -= mImageReslice->GetOutput()->GetOrigin()[this->SliceOrientation];
   origin[this->SliceOrientation] /= mImageReslice->GetOutput()->GetSpacing()[this->SliceOrientation];
-  // Step 2: round to superior grid positionInc
-  origin[this->SliceOrientation] = itk::Math::Ceil<double>(origin[this->SliceOrientation]);
+
+  // Step 2: round to nearest grid positionInc. This has been validated as the only
+  // way to have something consistent with the thickness of a 2D slice visible on the
+  // other slices. The thickness is accounted for so if the 2D slice is to thin and
+  // between two slices, one will never be able to see this 2D slice (bug #1883).
+  origin[this->SliceOrientation] = itk::Math::Round<double>(origin[this->SliceOrientation]);
+
   // Step 3: back to world coordinates
   origin[this->SliceOrientation] *= mImageReslice->GetOutput()->GetSpacing()[this->SliceOrientation];
   origin[this->SliceOrientation] += mImageReslice->GetOutput()->GetOrigin()[this->SliceOrientation];
@@ -870,16 +1050,26 @@ void vvSlicer::AdjustResliceToSliceOrientation(vtkImageReslice *reslice)
   reslice->SetOutputOrigin(origin);
   reslice->SetOutputSpacing(spacing);
   reslice->UpdateInformation();
+#if VTK_MAJOR_VERSION <= 5
   reslice->GetOutput()->UpdateInformation();
+#endif
 }
 //------------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
-int * vvSlicer::GetExtent(){
+int * vvSlicer::GetExtent()
+{ 
   int *w_ext;
   if (mUseReducedExtent) {
     w_ext = mReducedExtent;
-  } else w_ext = GetInput()->GetWholeExtent();
+  }
+  else {
+#if VTK_MAJOR_VERSION <= 5
+    w_ext = GetInput()->GetWholeExtent();
+#else
+    w_ext = mImageReslice->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT());
+#endif
+  }
   return w_ext;
 }
 //----------------------------------------------------------------------------
@@ -887,7 +1077,7 @@ int * vvSlicer::GetExtent(){
 
 //----------------------------------------------------------------------------
 int vvSlicer::GetOrientation()
-{
+{ 
   return this->SliceOrientation;
 }
 //----------------------------------------------------------------------------
@@ -895,43 +1085,86 @@ int vvSlicer::GetOrientation()
 
 //----------------------------------------------------------------------------
 void vvSlicer::UpdateDisplayExtent()
-{
+{ 
+  emit UpdateDisplayExtentBegin(mSlicerNumber);
   vtkImageData *input = this->GetInput();
   if (!input || !this->ImageActor) {
     return;
   }
+
+#if VTK_MAJOR_VERSION <= 5
   input->UpdateInformation();
+#else
+  mRegisterExtent = mImageReslice->GetOutputInformation(0)->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT());
+#endif
+  this->SetSlice( this->GetSlice() ); //SR: make sure the update let the slice in extents
 
   // Local copy of extent
   int w_ext[6];
+#if VTK_MAJOR_VERSION <= 5
   int* ext = GetExtent();
+#else
+  int* ext = mImageReslice->GetOutputInformation(0)->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT());
+#endif
   copyExtent(ext, w_ext);
+  if (mUseReducedExtent) {
+        copyExtent(mReducedExtent, w_ext);
+    }
   // Set slice value
-  int s = this->Slice > ext[this->SliceOrientation*2+1] ? ext[this->SliceOrientation*2 + 1] : this->Slice;
-  w_ext[ this->SliceOrientation*2   ] = s;
-  w_ext[ this->SliceOrientation*2+1 ] = s;
+
+  w_ext[ this->SliceOrientation*2   ] = this->Slice;
+  w_ext[ this->SliceOrientation*2+1 ] = this->Slice;
   
   // Image actor
+  this->ImageActor->SetVisibility(mImageVisibility);
   this->ImageActor->SetDisplayExtent(w_ext);
   
+#if VTK_MAJOR_VERSION >= 6 || (VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10)
+  // Fix for bug #1882
+  dynamic_cast<vtkImageSliceMapper *>(this->ImageActor->GetMapper())->SetOrientation(this->GetOrientation());
+#endif
+
   // Overlay image actor
-  if (mOverlay && mOverlayActor->GetVisibility()) {
+  if (mOverlay && mOverlayVisibility) {
     AdjustResliceToSliceOrientation(mOverlayReslice);
     int overExtent[6];
+#if VTK_MAJOR_VERSION <= 5
     this->ConvertImageToImageDisplayExtent(input, w_ext, mOverlayReslice->GetOutput(), overExtent);
-    ClipDisplayedExtent(overExtent, mOverlayMapper->GetInput()->GetWholeExtent());
+    bool out = ClipDisplayedExtent(overExtent, mOverlayMapper->GetInput()->GetWholeExtent());
+#else
+    this->ConvertImageToImageDisplayExtent(mImageReslice->GetOutputInformation(0), w_ext, mOverlayReslice->GetOutput(), overExtent);
+    bool out = ClipDisplayedExtent(overExtent, mOverlayMapper->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()));
+#endif
+    mOverlayActor->SetVisibility(!out);
     mOverlayActor->SetDisplayExtent( overExtent );
+#if VTK_MAJOR_VERSION >= 6 || (VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10)
+    // Fix for bug #1882
+    dynamic_cast<vtkImageSliceMapper *>(mOverlayActor->GetMapper())->SetOrientation(this->GetOrientation());
+#endif
   }
+  else if(mOverlay)
+    mOverlayActor->SetVisibility(false);
 
   // Fusion image actor
-  if (mFusion && mFusionActor->GetVisibility()) {
+  if (mFusion && mFusionVisibility) {
     AdjustResliceToSliceOrientation(mFusionReslice);
     int fusExtent[6];
+#if VTK_MAJOR_VERSION <= 5
     this->ConvertImageToImageDisplayExtent(input, w_ext, mFusionReslice->GetOutput(), fusExtent);
-    ClipDisplayedExtent(fusExtent, mFusionMapper->GetInput()->GetWholeExtent());
-    mFusionActor->SetDisplayExtent(fusExtent);
+    bool out = ClipDisplayedExtent(fusExtent, mFusionMapper->GetInput()->GetWholeExtent());
+#else
+    this->ConvertImageToImageDisplayExtent(mImageReslice->GetOutputInformation(0), w_ext, mFusionReslice->GetOutput(), fusExtent);
+    bool out = ClipDisplayedExtent(fusExtent, mFusionMapper->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()));
+#endif
+    mFusionActor->SetVisibility(!out);
+    mFusionActor->SetDisplayExtent( fusExtent );
+#if VTK_MAJOR_VERSION >= 6 || (VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10)
+    // Fix for bug #1882
+    dynamic_cast<vtkImageSliceMapper *>(mFusionActor->GetMapper())->SetOrientation(this->GetOrientation());
+#endif
   }
-
+  else if(mFusion)
+    mFusionActor->SetVisibility(false);
   // Vector field actor
   double* camera = Renderer->GetActiveCamera()->GetPosition();
   double* image_bounds = ImageActor->GetBounds();
@@ -950,31 +1183,43 @@ void vvSlicer::UpdateDisplayExtent()
   if (camera[this->SliceOrientation] < image_bounds[this->SliceOrientation*2])
     offset = -1;
   
-  if (mVF && mVFActor->GetVisibility()) {
+  if (mVF && mVFVisibility) {
     int vfExtent[6];
+#if VTK_MAJOR_VERSION <= 5
     mVF->GetVTKImages()[0]->UpdateInformation();
     this->ConvertImageToImageDisplayExtent(input, w_ext, mVF->GetVTKImages()[0], vfExtent);
-    ClipDisplayedExtent(vfExtent, mVOIFilter->GetInput()->GetWholeExtent());
+    bool out = ClipDisplayedExtent(vfExtent, mVOIFilter->GetInput()->GetWholeExtent());
+#else
+    mVOIFilter->Update();
+    this->ConvertImageToImageDisplayExtent(mImageReslice->GetOutputInformation(0), w_ext, mVF->GetVTKImages()[0], vfExtent);
+    bool out = ClipDisplayedExtent(vfExtent, mVOIFilter->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()));
+#endif
+    mVFActor->SetVisibility(!out);
     mVOIFilter->SetVOI(vfExtent);
     int orientation[3] = {1,1,1};
     orientation[this->SliceOrientation] = 0;
     mGlyphFilter->SetOrientation(orientation[0], orientation[1], orientation[2]);
-    mVFMapper->Update();
-
     position[this->SliceOrientation] += offset;
     mVFActor->SetPosition(position);
+    mVFActor->GetProperty()->SetOpacity(0.995); //in order to get VTK to turn on the alpha-blending in OpenGL
+    mVFMapper->Update();
+
   }
-  
+  else if(mVF)
+    mVFActor->SetVisibility(false);
+    
+    
+    double boundsT [6];
+      for(unsigned int i=0; i<6; i++)
+        boundsT[i] = ImageActor->GetBounds()[i];
+      boundsT[ this->SliceOrientation*2   ] = ImageActor->GetBounds()[ this->SliceOrientation*2  ]-fabs(this->GetInput()->GetSpacing()[this->SliceOrientation]);
+      boundsT[ this->SliceOrientation*2+1 ] = ImageActor->GetBounds()[ this->SliceOrientation*2+1 ]+fabs(this->GetInput()->GetSpacing()[this->SliceOrientation]);
+
+
   // Landmarks actor
   if (mLandActor) {
     if (mClipBox) {
-      double bounds [6];
-      for(unsigned int i=0; i<6; i++)
-        bounds[i] = ImageActor->GetBounds()[i];
-      bounds[ this->SliceOrientation*2   ] = ImageActor->GetBounds()[ this->SliceOrientation*2  ]-fabs(this->GetInput()->GetSpacing()[this->SliceOrientation]);
-      bounds[ this->SliceOrientation*2+1 ] = ImageActor->GetBounds()[ this->SliceOrientation*2+1 ]+fabs(this->GetInput()->GetSpacing()[this->SliceOrientation]);
-      mClipBox->SetBounds(bounds);
-      UpdateLandmarks();
+      RemoveLandmarks();
     }
     
     position[this->SliceOrientation] = offset;
@@ -999,8 +1244,40 @@ void vvSlicer::UpdateDisplayExtent()
         cam->SetClippingRange(range - sumSpacing, range + sumSpacing);
       }
     }
+    
+    if (mLandActor) {
+        if (mClipBox) {
+            DisplayLandmarks();
+        }
+    }
+  }
+  emit UpdateDisplayExtentEnd(mSlicerNumber);
+}
+//----------------------------------------------------------------------------
+
+//----------------------------------------------------------------------------
+void vvSlicer::ConvertImageToImageDisplayExtent(vtkInformation *sourceImage, const int sourceExtent[6],
+                                                vtkImageData *targetImage, int targetExtent[6])
+{ 
+  double dExtents[6];
+  double *origin, *spacing;
+  origin = sourceImage->Get(vtkDataObject::ORIGIN());
+  spacing = sourceImage->Get(vtkDataObject::SPACING());
+  for(unsigned int i=0; i<6; i++) {
+    // From source voxel coordinates to world coordinates
+    dExtents[i] = origin[i/2] + spacing[i/2] * sourceExtent[i];
+
+    // From world coordinates to floating point target voxel coordinates
+    dExtents[i] = (dExtents[i]- targetImage->GetOrigin()[i/2]) / targetImage->GetSpacing()[i/2];
+    
+    // Round to current slice or larger extent
+    if(i/2==this->GetOrientation())
+      targetExtent[i] = itk::Math::Round<double>(dExtents[i]);
+    else if(i%2==1)
+      targetExtent[i] = itk::Math::Ceil<double>(dExtents[i]);
+    else
+      targetExtent[i] = itk::Math::Floor<double>(dExtents[i]);
   }
-  
 }
 //----------------------------------------------------------------------------
 
@@ -1016,26 +1293,23 @@ void vvSlicer::ConvertImageToImageDisplayExtent(vtkImageData *sourceImage, const
     // From world coordinates to floating point target voxel coordinates
     dExtents[i] = (dExtents[i]- targetImage->GetOrigin()[i/2]) / targetImage->GetSpacing()[i/2];
     
-    // Round to nearest
-    //targetExtent[i] = itk::Math::Round<double>(dExtents[i]);
-    targetExtent[i] = itk::Math::Floor<double>(dExtents[i]);
+    // Round to current slice or larger extent
+    if(i/2==this->GetOrientation())
+      targetExtent[i] = itk::Math::Round<double>(dExtents[i]);
+    else if(i%2==1)
+      targetExtent[i] = itk::Math::Ceil<double>(dExtents[i]);
+    else
+      targetExtent[i] = itk::Math::Floor<double>(dExtents[i]);
   }
 }
 //----------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
-void vvSlicer::ClipDisplayedExtent(int extent[6], int refExtent[6])
-{
+bool vvSlicer::ClipDisplayedExtent(int extent[6], int refExtent[6])
+{ 
   bool out = false;
   int maxBound = 6;
 
-  //2D overlay on 3D image specific case
-  if (refExtent[4] == refExtent[5]) {
-    maxBound = 4;
-    extent[4] = refExtent[4];
-    extent[5] = refExtent[5];
-  }
-
   for (int i = 0; i < maxBound; i = i+2) {
     //if we are totally outside the image
     if ( extent[i] > refExtent[i+1] || extent[i+1] < refExtent[i] ) {
@@ -1043,23 +1317,24 @@ void vvSlicer::ClipDisplayedExtent(int extent[6], int refExtent[6])
       break;
     }
     //crop to the limit of the image
-    extent[i] = (extent[i] > refExtent[i]) ? extent[i] : refExtent[i];
-    extent[i] = (extent[i] < refExtent[i+1]) ? extent[i] : refExtent[i+1];
-    extent[i+1] = (extent[i+1] > refExtent[i]) ? extent[i+1] : refExtent[i];
-    extent[i+1] = (extent[i+1] < refExtent[i+1]) ? extent[i+1] : refExtent[i+1];
+    extent[i] = std::max(extent[i], refExtent[i]);
+    extent[i] = std::min(extent[i], refExtent[i+1]);;
+    extent[i+1] = std::max(extent[i+1], refExtent[i]);
+    extent[i+1] = std::min(extent[i+1], refExtent[i+1]);;
   }
   if (out)
     for (int i = 0; i < maxBound; i = i+2) {
       extent[i] = refExtent[i];
       extent[i+1] = refExtent[i];
     }
+  return out;
 }
 //----------------------------------------------------------------------------
 
 
 //----------------------------------------------------------------------------
 void vvSlicer::UpdateOrientation()
-{
+{ 
   // Set the camera position
   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
   if (cam) {
@@ -1089,7 +1364,7 @@ void vvSlicer::UpdateOrientation()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetOpacity(double s)
-{
+{ 
   this->GetImageActor()->SetOpacity(s);
 }
 //----------------------------------------------------------------------------
@@ -1097,12 +1372,11 @@ void vvSlicer::SetOpacity(double s)
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetRenderWindow(int orientation, vtkRenderWindow * rw)
-{
+{ 
   this->Superclass::SetRenderWindow(rw);
   this->SetupInteractor(rw->GetInteractor());
   ca->SetImageActor(this->GetImageActor());
   ca->SetWindowLevel(this->GetWindowLevel());
-  ca->SetText(2, "<slice>");
   ca->SetText(3, "<window>\n<level>");
 
   double bounds[6];
@@ -1114,8 +1388,8 @@ void vvSlicer::SetRenderWindow(int orientation, vtkRenderWindow * rw)
   bounds[3] = max;
   bounds[4] = -max;
   bounds[5] = max;
-
   crossCursor->SetModelBounds(bounds);
+
   this->GetRenderer()->AddActor(pdmA);
   this->GetRenderer()->AddActor(ca);
   this->GetRenderer()->ResetCamera();
@@ -1130,7 +1404,7 @@ void vvSlicer::SetRenderWindow(int orientation, vtkRenderWindow * rw)
 
 //----------------------------------------------------------------------------
 void vvSlicer::ResetCamera()
-{
+{ 
   this->GetRenderer()->ResetCamera();
 }
 //----------------------------------------------------------------------------
@@ -1138,17 +1412,16 @@ void vvSlicer::ResetCamera()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetDisplayMode(bool i)
-{
-  this->GetRenderer()->SetDraw(i);
-  if (i)
-    UpdateDisplayExtent();
+{ 
+	this->GetRenderer()->SetDraw(i);
+	if (i) UpdateDisplayExtent();
 }
 //----------------------------------------------------------------------------
 
 
 //----------------------------------------------------------------------------
 void vvSlicer::FlipHorizontalView()
-{
+{ 
   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
   if (cam) {
     double *position = cam->GetPosition();
@@ -1179,7 +1452,7 @@ void vvSlicer::FlipHorizontalView()
 
 //----------------------------------------------------------------------------
 void vvSlicer::FlipVerticalView()
-{
+{ 
   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
   if (cam) {
     FlipHorizontalView();
@@ -1193,7 +1466,7 @@ void vvSlicer::FlipVerticalView()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetColorWindow(double window)
-{
+{ 
   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(this->GetWindowLevel()->GetLookupTable());
   if ( LUT ) {
     double level = this->GetWindowLevel()->GetLevel();
@@ -1206,7 +1479,7 @@ void vvSlicer::SetColorWindow(double window)
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetColorLevel(double level)
-{
+{ 
   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(this->GetWindowLevel()->GetLookupTable());
   if ( LUT ) {
     double window = this->GetWindowLevel()->GetWindow();
@@ -1219,7 +1492,7 @@ void vvSlicer::SetColorLevel(double level)
 
 //----------------------------------------------------------------------------
 double vvSlicer::GetOverlayColorWindow()
-{
+{ 
   if(mOverlayMapper)
     return mOverlayMapper->GetWindow();
   else
@@ -1229,7 +1502,7 @@ double vvSlicer::GetOverlayColorWindow()
 
 //----------------------------------------------------------------------------
 double vvSlicer::GetOverlayColorLevel()
-{
+{ 
   if(mOverlayMapper)
     return mOverlayMapper->GetLevel();
   else
@@ -1239,22 +1512,24 @@ double vvSlicer::GetOverlayColorLevel()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetOverlayColorWindow(double window)
-{
-  mOverlayMapper->SetWindow(window);
+{ 
+  if(mOverlayMapper)
+    mOverlayMapper->SetWindow(window);
 }
 //----------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetOverlayColorLevel(double level)
-{
-  mOverlayMapper->SetLevel(level);
+{ 
+  if(mOverlayMapper)
+    mOverlayMapper->SetLevel(level);
 }
 //----------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
 // Returns the min an the max value in a 20%x20% region around the mouse pointer
 void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max, vtkImageData *image, vtkTransform *transform)
-{
+{ 
   //Get mouse pointer position in view coordinates
   double corner1[3];
   double corner2[3];
@@ -1289,10 +1564,24 @@ void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max, vtkImag
 
     if(iLocalExtents[i*2  ]>iLocalExtents[i*2+1])
       std::swap(iLocalExtents[i*2], iLocalExtents[i*2+1]);
+
+#if VTK_MAJOR_VERSION > 5
+    for(int j=0;j<2; j++) {
+      if(iLocalExtents[i*2+j]< mImageReslice->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT())[2*i])
+        iLocalExtents[i*2+j] = mImageReslice->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT())[2*i];
+
+      if(iLocalExtents[i*2+j]> mImageReslice->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT())[2*i+1])
+        iLocalExtents[i*2+j] = mImageReslice->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT())[2*i+1];
+    }
+#endif
   }
 
   vtkSmartPointer<vtkExtractVOI> voiFilter = vtkSmartPointer<vtkExtractVOI>::New();
+#if VTK_MAJOR_VERSION <= 5
   voiFilter->SetInput(image);
+#else
+  voiFilter->SetInputData(image);
+#endif
   voiFilter->SetVOI(iLocalExtents);
   voiFilter->Update();
   if (!voiFilter->GetOutput()->GetNumberOfPoints()) {
@@ -1302,7 +1591,11 @@ void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max, vtkImag
   }
 
   vtkSmartPointer<vtkImageAccumulate> accFilter = vtkSmartPointer<vtkImageAccumulate>::New();
+#if VTK_MAJOR_VERSION <= 5
   accFilter->SetInput(voiFilter->GetOutput());
+#else
+  accFilter->SetInputConnection(voiFilter->GetOutputPort(0));
+#endif
   accFilter->Update();
 
   min = *(accFilter->GetMin());
@@ -1312,10 +1605,11 @@ void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max, vtkImag
 
 //----------------------------------------------------------------------------
 double vvSlicer::GetScalarComponentAsDouble(vtkImageData *image, double X, double Y, double Z, int &ix, int &iy, int &iz, int component)
-{
+{ 
   ix = lrint(X);
   iy = lrint(Y);
   iz = lrint(Z);
+#if VTK_MAJOR_VERSION <= 5
   if (ix < image->GetWholeExtent()[0] ||
       ix > image->GetWholeExtent()[1] ||
       iy < image->GetWholeExtent()[2] ||
@@ -1323,16 +1617,27 @@ double vvSlicer::GetScalarComponentAsDouble(vtkImageData *image, double X, doubl
       iz < image->GetWholeExtent()[4] ||
       iz > image->GetWholeExtent()[5] )
     return std::numeric_limits<double>::quiet_NaN();
-
   image->SetUpdateExtent(ix, ix, iy, iy, iz, iz);
   image->Update();
+#else
+  if (ix < image->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[0] ||
+      ix > image->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[1] ||
+      iy < image->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[2] ||
+      iy > image->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[3] ||
+      iz < image->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[4] ||
+      iz > image->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[5] )
+    return std::numeric_limits<double>::quiet_NaN();
+  //image->SetUpdateExtent(ix, ix, iy, iy, iz, iz);
+  //image->Update();
+#endif
+
   return image->GetScalarComponentAsDouble(ix, iy, iz, component);
 }
 //----------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
 void vvSlicer::Render()
-{
+{ 
   if (this->mFusion && mFusionActor->GetVisibility() && showFusionLegend) {
     legend->SetLookupTable(this->GetFusionMapper()->GetLookupTable());
     legend->UseOpacityOn();
@@ -1345,13 +1650,14 @@ void vvSlicer::Render()
   } else legend->SetVisibility(0);
 
   if (ca->GetVisibility()) {
-    std::stringstream worldPos;
+
+    std::stringstream worldPos(" ");
     double pt[3];
     mConcatenatedTransform->TransformPoint(mCurrent, pt);
     double X = (pt[0] - mImage->GetVTKImages()[mCurrentTSlice]->GetOrigin()[0])/mImage->GetVTKImages()[mCurrentTSlice]->GetSpacing()[0];
     double Y = (pt[1] - mImage->GetVTKImages()[mCurrentTSlice]->GetOrigin()[1])/mImage->GetVTKImages()[mCurrentTSlice]->GetSpacing()[1];
     double Z = (pt[2] - mImage->GetVTKImages()[mCurrentTSlice]->GetOrigin()[2])/mImage->GetVTKImages()[mCurrentTSlice]->GetSpacing()[2];
-
+#if VTK_MAJOR_VERSION <= 5
     if (X >= mImage->GetVTKImages()[mCurrentTSlice]->GetWholeExtent()[0]-0.5 &&
         X <= mImage->GetVTKImages()[mCurrentTSlice]->GetWholeExtent()[1]+0.5 &&
         Y >= mImage->GetVTKImages()[mCurrentTSlice]->GetWholeExtent()[2]-0.5 &&
@@ -1377,7 +1683,38 @@ void vvSlicer::Render()
                              << mCurrentTSlice
                              << std::endl;
     }
+#else
+    if (X >= mImage->GetVTKImages()[mCurrentTSlice]->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[0]-0.5 &&
+        X <= mImage->GetVTKImages()[mCurrentTSlice]->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[1]+0.5 &&
+        Y >= mImage->GetVTKImages()[mCurrentTSlice]->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[2]-0.5 &&
+        Y <= mImage->GetVTKImages()[mCurrentTSlice]->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[3]+0.5 &&
+        Z >= mImage->GetVTKImages()[mCurrentTSlice]->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[4]-0.5 &&
+        Z <= mImage->GetVTKImages()[mCurrentTSlice]->GetInformation()->Get(vtkDataObject::DATA_EXTENT())[5]+0.5) {
+
+      int ix, iy, iz;
+      double value = this->GetScalarComponentAsDouble(mImage->GetVTKImages()[mCurrentTSlice], X, Y, Z, ix, iy, iz);
+
+      if(ImageActor->GetVisibility())
+        worldPos << "data value : " << value << std::endl;
+
+      worldPos << "mm : " << lrint(mCurrentBeforeSlicingTransform[0]) << ' '
+                          << lrint(mCurrentBeforeSlicingTransform[1]) << ' '
+                          << lrint(mCurrentBeforeSlicingTransform[2]) << ' '
+                          << mCurrentTSlice
+                          << std::endl;
+      worldPos << "pixel : " << ix << ' '
+                             << iy << ' '
+                             << iz << ' '
+                             << mCurrentTSlice
+                             << std::endl;
+    
+    }
+#endif
     ca->SetText(1,worldPos.str().c_str());
+
+    std::stringstream slicePos;
+    slicePos << "Slice: " << this->GetSlice();
+    ca->SetText(2, slicePos.str().c_str());
   }
 
   if (pdmA->GetVisibility()) {
@@ -1387,13 +1724,13 @@ void vvSlicer::Render()
     double xCursor = (x - this->GetInput()->GetOrigin()[0])/this->GetInput()->GetSpacing()[0];
     double yCursor = (y - this->GetInput()->GetOrigin()[1])/this->GetInput()->GetSpacing()[1];
     double zCursor = (z - this->GetInput()->GetOrigin()[2])/this->GetInput()->GetSpacing()[2];
-
-    if (xCursor >= this->GetImageActor()->GetDisplayExtent()[0] &&
-        xCursor < this->GetImageActor()->GetDisplayExtent()[1]+1 &&
-        yCursor >= this->GetImageActor()->GetDisplayExtent()[2] &&
-        yCursor < this->GetImageActor()->GetDisplayExtent()[3]+1 &&
-        zCursor >= this->GetImageActor()->GetDisplayExtent()[4] &&
-        zCursor < this->GetImageActor()->GetDisplayExtent()[5]+1 ) {
+#if VTK_MAJOR_VERSION <= 5    
+    if (xCursor >= this->GetImageActor()->GetDisplayExtent()[0]-0.5 &&
+        xCursor < this->GetImageActor()->GetDisplayExtent()[1]+0.5 &&
+        yCursor >= this->GetImageActor()->GetDisplayExtent()[2]-0.5 &&
+        yCursor < this->GetImageActor()->GetDisplayExtent()[3]+0.5 &&
+        zCursor >= this->GetImageActor()->GetDisplayExtent()[4]-0.5 &&
+        zCursor < this->GetImageActor()->GetDisplayExtent()[5]+0.5 ) {
       vtkRenderer * renderer = this->Renderer;
 
       renderer->WorldToView(x,y,z);
@@ -1404,29 +1741,71 @@ void vvSlicer::Render()
       crossCursor->SetFocalPoint(x,y,z);
     } else
       crossCursor->SetFocalPoint(-1,-1,z);
+    crossCursor->Update();
   }
+#else
+    vtkSmartPointer<vtkOpenGLImageSliceMapper> mapperOpenGL= vtkSmartPointer<vtkOpenGLImageSliceMapper>::New();
+    try {
+        mapperOpenGL = dynamic_cast<vtkOpenGLImageSliceMapper*>(GetImageActor()->GetMapper());
+    } catch (const std::bad_cast& e) {
+		std::cerr << e.what() << std::endl;
+		std::cerr << "Conversion error" << std::endl;
+		return;
+	}
+
+    if (xCursor >= mapperOpenGL->GetCroppingRegion()[0]-0.5 &&
+        xCursor < mapperOpenGL->GetCroppingRegion()[1]+0.5 &&
+        yCursor >= mapperOpenGL->GetCroppingRegion()[2]-0.5 &&
+        yCursor < mapperOpenGL->GetCroppingRegion()[3]+0.5 &&
+        zCursor >= mapperOpenGL->GetCroppingRegion()[4]-0.5 &&
+        zCursor < mapperOpenGL->GetCroppingRegion()[5]+0.5 ) {
+      vtkRenderer * renderer = this->Renderer;
 
+      renderer->WorldToView(x,y,z);
+      renderer->ViewToNormalizedViewport(x,y,z);
+      renderer->NormalizedViewportToViewport(x,y);
+      renderer->ViewportToNormalizedDisplay(x,y);
+      renderer->NormalizedDisplayToDisplay(x,y);
+      crossCursor->SetFocalPoint(x,y,z);
+    } else
+      crossCursor->SetFocalPoint(-1,-1,z);
+    crossCursor->Update();
+  }
+#endif
 
   if (mOverlay && mOverlayActor->GetVisibility()) {
     if(mLinkOverlayWindowLevel) {
       mOverlayMapper->SetWindow(this->GetColorWindow());
       mOverlayMapper->SetLevel(this->GetColorLevel());
     }
+#if VTK_MAJOR_VERSION <= 5
     mOverlayMapper->GetOutput()->SetUpdateExtent(mOverlayActor->GetDisplayExtent());
-    mOverlayMapper->GetOutput()->Update();
+#else
+    mOverlayMapper->SetUpdateExtent(mOverlayActor->GetDisplayExtent());
+#endif
     mOverlayMapper->Update();
   }
-  if (mLandMapper)
-    UpdateLandmarks();
+  if (mFusion && mFusionActor->GetVisibility()) {
+#if VTK_MAJOR_VERSION <= 5
+    mFusionMapper->GetOutput()->SetUpdateExtent(mFusionActor->GetDisplayExtent());
+#else
+    mFusionMapper->SetUpdateExtent(mFusionActor->GetDisplayExtent());
+#endif
+    mFusionMapper->Update();
+  }
+  if (mLandMapper) {
+    RemoveLandmarks();
+    DisplayLandmarks();
+  }
 
-  this->GetRenderWindow()->Render();
+    this->GetRenderWindow()->Render();
 }
 //----------------------------------------------------------------------------
 
 
 //----------------------------------------------------------------------------
 void vvSlicer::UpdateCursorPosition()
-{
+{ 
   pdmA->SetVisibility(true);
   mCursor[0] = mCurrent[0];
   mCursor[1] = mCurrent[1];
@@ -1437,17 +1816,61 @@ void vvSlicer::UpdateCursorPosition()
 
 
 //----------------------------------------------------------------------------
-void vvSlicer::UpdateLandmarks()
-{
-  vtkPolyData *pd = static_cast<vtkPolyData*>(mLandClipper->GetInput());
+void vvSlicer::RemoveLandmarks()
+{ 
+  vtkPolyData *pd = static_cast<vtkPolyData*>(mLandmarks->GetOutput());
   if (pd->GetPoints()) {
-    mLandGlyph->SetRange(0,1);
-    mLandGlyph->Modified();
-    mLandGlyph->Update();
 
+    //First remove all captions:
+    for(unsigned int i=0;i<mLandLabelActors.size();i++) {
+	this->Renderer->RemoveActor2D(mLandLabelActors[i]);
+	//allActors2D->Remove (mLandLabelActors[i]);
+    }
+    mLandLabelActors.clear();
+  }
+}
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
+void vvSlicer::DisplayLandmarks()
+{ 
+
+  double bounds [6];
+  for(unsigned int i=0; i<6; i++)
+    bounds[i] = ImageActor->GetBounds()[i];
+  bounds[ this->SliceOrientation*2   ] = ImageActor->GetBounds()[ this->SliceOrientation*2  ]-fabs(this->GetInput()->GetSpacing()[this->SliceOrientation]);
+  bounds[ this->SliceOrientation*2+1 ] = ImageActor->GetBounds()[ this->SliceOrientation*2+1 ]+fabs(this->GetInput()->GetSpacing()[this->SliceOrientation]);
+  mClipBox->SetBounds(bounds);
+
+
+  vtkPolyData *pd = static_cast<vtkPolyData*>(mLandmarks->GetOutput());
+  if (pd->GetPoints()) {
+    this->GetRenderer()->AddActor(mLandActor);
+    //mLandGlyph->SetRange(0,1);
+    //mLandGlyph->Modified();
+    //mLandGlyph->Update();
     mClipBox->Modified();
     mLandClipper->Update();
     mLandMapper->Update();
+    //Next add the captions to the displayed points
+    for (vtkIdType id=0; id<mLandClipper->GetOutput()->GetNumberOfPoints(); id++) {
+	  double *position = mLandClipper->GetOutput()->GetPoint(id);
+      vtkStdString label = static_cast<vtkStringArray*>(mLandClipper->GetOutput()->GetPointData()->GetAbstractArray("labels"))->GetValue(id);
+      vtkSmartPointer<vtkCaptionActor2D> label_actor = vtkSmartPointer<vtkCaptionActor2D>::New();
+      label_actor->SetCaption(label);
+      label_actor->SetAttachmentPoint(position);
+      label_actor->GetCaptionTextProperty()->SetColor(1,0,0);
+      label_actor->GetCaptionTextProperty()->SetOrientation(33.333333);
+      label_actor->GetCaptionTextProperty()->SetFontFamilyToTimes();
+      label_actor->GetCaptionTextProperty()->SetBold(0);
+      label_actor->GetCaptionTextProperty()->SetFontSize(6);
+      label_actor->BorderOff();
+      label_actor->LeaderOff();
+      label_actor->ThreeDimensionalLeaderOff();
+      mLandLabelActors.push_back(label_actor);
+      this->Renderer->AddActor2D(mLandLabelActors[id]);
+     }
   }
 
 }
@@ -1456,7 +1879,7 @@ void vvSlicer::UpdateLandmarks()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetSlice(int slice)
-{
+{ 
   int *range = this->GetSliceRange();
   if (range) {
     if (slice < range[0]) {
@@ -1481,7 +1904,8 @@ void vvSlicer::SetSlice(int slice)
 //----------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
-int vvSlicer::GetTMax() {
+int vvSlicer::GetTMax() 
+{ 
   int tmax = (int)mImage->GetVTKImages().size() - 1;
   if(mOverlay)
     tmax = std::max(tmax, (int)mOverlay->GetVTKImages().size()-1);
@@ -1491,7 +1915,7 @@ int vvSlicer::GetTMax() {
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetContourSlice()
-{
+{ 
   if (mSurfaceCutActors.size() > 0)
     for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
          i!=mSurfaceCutActors.end(); i++) {
@@ -1506,7 +1930,7 @@ void vvSlicer::SetContourSlice()
 
 //----------------------------------------------------------------------------
 void vvSlicer::ForceUpdateDisplayExtent()
-{
+{ 
   this->UpdateDisplayExtent();
 }
 //----------------------------------------------------------------------------
@@ -1514,7 +1938,7 @@ void vvSlicer::ForceUpdateDisplayExtent()
 
 //----------------------------------------------------------------------------
 int* vvSlicer::GetDisplayExtent()
-{
+{ 
   return this->GetImageActor()->GetDisplayExtent();
 }
 //----------------------------------------------------------------------------
@@ -1522,14 +1946,15 @@ int* vvSlicer::GetDisplayExtent()
 
 //----------------------------------------------------------------------------
 void vvSlicer::PrintSelf(ostream& os, vtkIndent indent)
-{
+{ 
   this->Superclass::PrintSelf(os, indent);
 }
 //----------------------------------------------------------------------------
 
+
 //----------------------------------------------------------------------------
 void vvSlicer::SetVFColor(double r, double g, double b)
-{
+{ 
   double mVFColorHSV[3];
   mVFColor[0] = r;
   mVFColor[1] = g;
@@ -1542,4 +1967,21 @@ void vvSlicer::SetVFColor(double r, double g, double b)
 
   this->Render();
 }  
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
+void vvSlicer::SetRegisterExtent(int ext[6])
+{ 
+    copyExtent(ext, mRegisterExtent);
+}
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
+void vvSlicer::GetRegisterExtent(int ext[6])
+{ 
+    copyExtent(mRegisterExtent, ext);
+}
+//----------------------------------------------------------------------------