X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=vv%2FvvSlicer.cxx;h=550e8a034ac4395c59de133f3bc0185d44a22474;hb=5e0e24a8a2a21ba08afbb80bdaf9175d615f98f4;hp=317dc0670f411f54cea1c6f9cb57139aa1c045a8;hpb=3a823a03d4a2217e41e4dd3b05a8ea825bb762a5;p=clitk.git

diff --git a/vv/vvSlicer.cxx b/vv/vvSlicer.cxx
index 317dc06..550e8a0 100644
--- a/vv/vvSlicer.cxx
+++ b/vv/vvSlicer.cxx
@@ -24,6 +24,7 @@
 #include "vvSlicerManagerCommand.h"
 #include "vvGlyphSource.h"
 #include "vvGlyph2D.h"
+#include "vvUtils.h"
 
 #include <vtkVersion.h>
 #include <vtkExtentTranslator.h>
@@ -57,6 +58,7 @@
 #include <vtkLight.h>
 #include <vtkLightCollection.h>
 #include <vtkScalarBarActor.h>
+#include <vtkImageProperty.h>
 #include <vtkLookupTable.h>
 
 #include <vtkRenderer.h>
@@ -75,8 +77,8 @@
 #include <vtkAssignAttribute.h>
 #include <vtkImageAccumulate.h>
 #include <vtkImageReslice.h>
-#include <vtkOpenGLImageSliceMapper.h>
 #if VTK_MAJOR_VERSION >= 6 || (VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10)
+#  include <vtkOpenGLImageSliceMapper.h>
 #  include <vtkImageMapper3D.h>
 #  include <vtkImageSliceMapper.h>
 #endif
@@ -90,12 +92,12 @@ static void copyExtent(int* in, int* to){
 }
 //------------------------------------------------------------------------------
 vvSlicer::vvSlicer()
-{ //out << __func__ << endl;
+{ 
 	mFusionSequenceCode = -1;
   this->UnInstallPipeline();
   mImage = NULL;
   mReducedExtent = new int[6];
-  mRegisterExtent = new int[6];
+  mRegisterExtent = NULL;
   mCurrentTSlice = 0;
   mCurrentFusionTSlice = 0;
   mCurrentOverlayTSlice = 0;
@@ -128,7 +130,7 @@ vvSlicer::vvSlicer()
 #if VTK_MAJOR_VERSION <= 5
   pdm->SetInput(crossCursor->GetOutput());
 #else
-  pdm->SetInputData(crossCursor->GetOutput());
+  pdm->SetInputConnection(crossCursor->GetOutputPort(0));
 #endif
 
   pdmA = vtkSmartPointer<vtkActor2D>::New();
@@ -149,10 +151,10 @@ vvSlicer::vvSlicer()
 
   legend = vtkSmartPointer<vtkScalarBarActor>::New();
   //legend->SetTitle("test!");
-  legend->SetPosition(0.82,0.18);
-  legend->SetWidth(0.1);
+  legend->SetPosition(0.82,0.08);
+  //legend->SetWidth(0.1);
   legend->SetVisibility(0);
-  legend->SetLabelFormat("%.1f");
+  legend->SetLabelFormat("%.1e");
   this->GetRenderer()->AddActor(legend);
   showFusionLegend = false;
 
@@ -169,6 +171,7 @@ vvSlicer::vvSlicer()
   mConcatenatedTransform = vtkSmartPointer<vtkTransform>::New();
   mConcatenatedFusionTransform = vtkSmartPointer<vtkTransform>::New();
   mConcatenatedOverlayTransform = vtkSmartPointer<vtkTransform>::New();
+  mConcatenatedVFTransform = vtkSmartPointer<vtkTransform>::New();
   mFirstSetSliceOrientation = true;
 }
 //------------------------------------------------------------------------------
@@ -176,7 +179,7 @@ vvSlicer::vvSlicer()
 
 //------------------------------------------------------------------------------
 vtkImageMapToWindowLevelColors* vvSlicer::GetOverlayMapper()
-{ //out << __func__ << endl;
+{ 
   return mOverlayMapper.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -184,7 +187,7 @@ vtkImageMapToWindowLevelColors* vvSlicer::GetOverlayMapper()
 
 //------------------------------------------------------------------------------
 vvBlendImageActor* vvSlicer::GetOverlayActor()
-{ //out << __func__ << endl;
+{ 
   return mOverlayActor.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -192,7 +195,7 @@ vvBlendImageActor* vvSlicer::GetOverlayActor()
 
 //------------------------------------------------------------------------------
 vtkImageMapToColors* vvSlicer::GetFusionMapper()
-{ //out << __func__ << endl;
+{ 
   return mFusionMapper.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -200,7 +203,7 @@ vtkImageMapToColors* vvSlicer::GetFusionMapper()
 
 //------------------------------------------------------------------------------
 vtkImageActor* vvSlicer::GetFusionActor()
-{ //out << __func__ << endl;
+{ 
   return mFusionActor.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -208,7 +211,7 @@ vtkImageActor* vvSlicer::GetFusionActor()
 
 //------------------------------------------------------------------------------
 vtkActor* vvSlicer::GetVFActor()
-{ //out << __func__ << endl;
+{ 
   return mVFActor.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -216,7 +219,7 @@ vtkActor* vvSlicer::GetVFActor()
 
 //------------------------------------------------------------------------------
 vtkCornerAnnotation* vvSlicer::GetAnnotation()
-{ //out << __func__ << endl;
+{ 
   return ca.GetPointer();
 }
 //------------------------------------------------------------------------------
@@ -224,7 +227,7 @@ vtkCornerAnnotation* vvSlicer::GetAnnotation()
 
 //------------------------------------------------------------------------------
 void vvSlicer::EnableReducedExtent(bool b)
-{ //out << __func__ << endl;
+{ 
   mUseReducedExtent = b;
 }
 //------------------------------------------------------------------------------
@@ -232,7 +235,7 @@ void vvSlicer::EnableReducedExtent(bool b)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetReducedExtent(int * ext)
-{ //out << __func__ << endl;
+{ 
   copyExtent(ext, mReducedExtent);
 }
 //------------------------------------------------------------------------------
@@ -240,7 +243,7 @@ void vvSlicer::SetReducedExtent(int * ext)
 
 //------------------------------------------------------------------------------
 void vvSlicer::AddContour(vvMesh::Pointer contour,bool propagate)
-{ //out << __func__ << endl;
+{ 
 
   mSurfaceCutActors.push_back(new vvMeshActor());
   if (propagate)
@@ -257,7 +260,7 @@ void vvSlicer::AddContour(vvMesh::Pointer contour,bool propagate)
 
 //------------------------------------------------------------------------------
 void vvSlicer::ToggleContourSuperposition()
-{ //out << __func__ << endl;
+{ 
   for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
        i!=mSurfaceCutActors.end(); i++)
     (*i)->ToggleSuperposition();
@@ -267,7 +270,7 @@ void vvSlicer::ToggleContourSuperposition()
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetCursorColor(int r,int g, int b)
-{ //out << __func__ << endl;
+{ 
   pdmA->GetProperty()->SetColor(r,g,b);
 }
 //------------------------------------------------------------------------------
@@ -275,7 +278,7 @@ void vvSlicer::SetCursorColor(int r,int g, int b)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetCursorVisibility(bool s)
-{ //out << __func__ << endl;
+{ 
   pdmA->SetVisibility(s);
 }
 //------------------------------------------------------------------------------
@@ -283,7 +286,7 @@ void vvSlicer::SetCursorVisibility(bool s)
 
 //------------------------------------------------------------------------------
 bool vvSlicer::GetCursorVisibility()
-{ //out << __func__ << endl;
+{ 
   return pdmA->GetVisibility();
 }
 //------------------------------------------------------------------------------
@@ -291,7 +294,7 @@ bool vvSlicer::GetCursorVisibility()
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetCornerAnnotationVisibility(bool s)
-{ //out << __func__ << endl;
+{ 
   ca->SetVisibility(s);
 }
 //------------------------------------------------------------------------------
@@ -299,7 +302,7 @@ void vvSlicer::SetCornerAnnotationVisibility(bool s)
 
 //------------------------------------------------------------------------------
 bool vvSlicer::GetCornerAnnotationVisibility()
-{ //out << __func__ << endl;
+{ 
   return ca->GetVisibility();
 }
 //------------------------------------------------------------------------------
@@ -307,25 +310,31 @@ bool vvSlicer::GetCornerAnnotationVisibility()
 
 //------------------------------------------------------------------------------
 vvSlicer::~vvSlicer()
-{ //out << __func__ << endl;
+{ 
   for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
        i!=mSurfaceCutActors.end(); i++)
     delete (*i);
   delete [] mReducedExtent;
-  delete [] mRegisterExtent;
 }
 //------------------------------------------------------------------------------
 
 //------------------------------------------------------------------------------
 double* vvSlicer::GetCurrentPosition()
-{ //out << __func__ << endl;
+{ 
   return mCurrentBeforeSlicingTransform;
 }
 //------------------------------------------------------------------------------
 
+//------------------------------------------------------------------------------
+void vvSlicer::SetInterpolationImageReslice(int interpolation)
+{ 
+  mImageReslice->SetInterpolationMode(interpolation);
+}
+//------------------------------------------------------------------------------
+
 //------------------------------------------------------------------------------
 void vvSlicer::SetCurrentPosition(double x, double y, double z, int t)
-{ //out << __func__ << endl;
+{ 
   mCurrentBeforeSlicingTransform[0]=x;
   mCurrentBeforeSlicingTransform[1]=y;
   mCurrentBeforeSlicingTransform[2]=z;
@@ -337,13 +346,15 @@ void vvSlicer::SetCurrentPosition(double x, double y, double z, int t)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetImage(vvImage::Pointer image)
-{ //out << __func__ << endl;
+{ 
   if (image->GetVTKImages().size()) {
     mImage = image;
 
     if (!mImageReslice) {
       mImageReslice = vtkSmartPointer<vtkImageReslice>::New();
       mImageReslice->SetInterpolationModeToLinear();
+      SetInterpolationImageReslice(getInterpolationFavoriteStatus());
+      GetImageActor()->SetInterpolate(getInterpolationFavoriteStatus());
       mImageReslice->AutoCropOutputOn();
       mImageReslice->SetBackgroundColor(-1000,-1000,-1000,1);
     }
@@ -351,7 +362,7 @@ void vvSlicer::SetImage(vvImage::Pointer image)
     mConcatenatedTransform->Identity();
     mConcatenatedTransform->Concatenate(mImage->GetTransform()[0]);
     mConcatenatedTransform->Concatenate(mSlicingTransform);
-    mImageReslice->SetResliceTransform(mConcatenatedTransform);
+    mImageReslice->SetResliceAxes(mConcatenatedTransform->GetMatrix());
 #if VTK_MAJOR_VERSION <= 5
     mImageReslice->SetInput(0, mImage->GetFirstVTKImageData());
 #else
@@ -369,8 +380,7 @@ void vvSlicer::SetImage(vvImage::Pointer image)
 #if VTK_MAJOR_VERSION <= 5
     this->GetInput()->GetWholeExtent(extent);
 #else
-    int* ext = mImageReslice->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT());
-    copyExtent(ext, extent);
+    mImageReslice->GetOutput()->GetExtent(extent);
 #endif
 
     // Prevent crash when reload -> change slice if outside extent
@@ -381,10 +391,12 @@ 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;    
-
 #if VTK_MAJOR_VERSION <= 5
     mImageReslice->GetOutput()->SetUpdateExtent(extent);
     mImageReslice->GetOutput()->Update();
+#elif VTK_MAJOR_VERSION >= 8 || (VTK_MAJOR_VERSION == 7 && VTK_MINOR_VERSION >= 1)
+    mImageReslice->UpdateExtent(extent);
+    mImageReslice->Update();
 #else
     mImageReslice->SetUpdateExtent(extent);
     mImageReslice->Update();
@@ -401,7 +413,7 @@ void vvSlicer::SetImage(vvImage::Pointer image)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetOverlay(vvImage::Pointer overlay)
-{ //out << __func__ << endl;
+{ 
   if (overlay->GetVTKImages().size()) {
     mOverlay = overlay;
     mOverlayVisibility = true;
@@ -416,13 +428,13 @@ void vvSlicer::SetOverlay(vvImage::Pointer overlay)
     mConcatenatedOverlayTransform->Identity();
     mConcatenatedOverlayTransform->Concatenate(mOverlay->GetTransform()[0]);
     mConcatenatedOverlayTransform->Concatenate(mSlicingTransform);
-    mOverlayReslice->SetResliceTransform(mConcatenatedOverlayTransform);
+    mOverlayReslice->SetResliceAxes(mConcatenatedOverlayTransform->GetMatrix());
 #if VTK_MAJOR_VERSION <= 5
     mOverlayReslice->SetInput(0, mOverlay->GetFirstVTKImageData());
+    mImageReslice->UpdateInformation();
 #else
     mOverlayReslice->SetInputData(0, mOverlay->GetFirstVTKImageData());
 #endif
-    mImageReslice->UpdateInformation();
     mOverlayReslice->Update();
 
     if (!mOverlayMapper)
@@ -430,7 +442,7 @@ void vvSlicer::SetOverlay(vvImage::Pointer overlay)
 #if VTK_MAJOR_VERSION <= 5
     mOverlayMapper->SetInput(mOverlayReslice->GetOutput());
 #else
-    mOverlayMapper->SetInputData(mOverlayReslice->GetOutput());
+    mOverlayMapper->SetInputConnection(mOverlayReslice->GetOutputPort(0));
 #endif
 
     if (!mOverlayActor) {
@@ -446,6 +458,7 @@ void vvSlicer::SetOverlay(vvImage::Pointer overlay)
 #if VTK_MAJOR_VERSION >= 6 || (VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10)
       mOverlayActor->GetMapper()->BorderOn();
 #endif
+      mOverlayActor->SetInterpolate(getInterpolationFavoriteStatus());
       }
 
     //stupid but necessary : the Overlay need to be rendered before fusion
@@ -467,7 +480,7 @@ void vvSlicer::SetOverlay(vvImage::Pointer overlay)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetFusion(vvImage::Pointer fusion, int fusionSequenceCode)
-{ //out << __func__ << endl;
+{ 
 	mFusionSequenceCode = fusionSequenceCode;
   if (fusion->GetVTKImages().size()) {
     mFusion = fusion;
@@ -483,9 +496,10 @@ void vvSlicer::SetFusion(vvImage::Pointer fusion, int fusionSequenceCode)
     mConcatenatedFusionTransform->Identity();
     mConcatenatedFusionTransform->Concatenate(mFusion->GetTransform()[0]);
     mConcatenatedFusionTransform->Concatenate(mSlicingTransform);
-    mFusionReslice->SetResliceTransform(mConcatenatedFusionTransform);
+    mFusionReslice->SetResliceAxes(mConcatenatedFusionTransform->GetMatrix());
 #if VTK_MAJOR_VERSION <= 5
     mFusionReslice->SetInput(0, mFusion->GetFirstVTKImageData());
+    mFusionReslice->UpdateInformation();
 #else
     mFusionReslice->SetInputData(0, mFusion->GetFirstVTKImageData());
 #endif
@@ -503,7 +517,7 @@ void vvSlicer::SetFusion(vvImage::Pointer fusion, int fusionSequenceCode)
 #if VTK_MAJOR_VERSION <= 5
     mFusionMapper->SetInput(mFusionReslice->GetOutput());
 #else
-    mFusionMapper->SetInputData(mFusionReslice->GetOutput());
+    mFusionMapper->SetInputConnection(mFusionReslice->GetOutputPort(0));
 #endif
     
     if (!mFusionActor) {
@@ -520,6 +534,7 @@ void vvSlicer::SetFusion(vvImage::Pointer fusion, int fusionSequenceCode)
       mFusionActor->GetMapper()->BorderOn();
 #endif
 
+      mFusionActor->SetInterpolate(getInterpolationFavoriteStatus());
       this->GetRenderer()->AddActor(mFusionActor);
     }
 
@@ -534,7 +549,7 @@ void vvSlicer::SetFusion(vvImage::Pointer fusion, int fusionSequenceCode)
 
 //------------------------------------------------------------------------------
 bool vvSlicer::GetActorVisibility(const std::string& actor_type, int overlay_index)
-{ //out << __func__ << endl;
+{ 
   bool vis = false;
   if (actor_type == "image")
     vis = mImageVisibility;
@@ -552,7 +567,7 @@ bool vvSlicer::GetActorVisibility(const std::string& actor_type, int overlay_ind
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetActorVisibility(const std::string& actor_type, int overlay_index ,bool vis)
-{ //out << __func__ << endl;
+{ 
   if (actor_type == "image")
     mImageVisibility = vis;
   else if (actor_type == "vector")
@@ -569,22 +584,38 @@ void vvSlicer::SetActorVisibility(const std::string& actor_type, int overlay_ind
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVF(vvImage::Pointer vf)
-{ //out << __func__ << endl;
+{ 
   if (vf->GetVTKImages().size()) {
     mVF = vf;
     mVFVisibility = true;
 
     if (!mAAFilter) {
+      mVFReslice = vtkSmartPointer<vtkImageReslice>::New();
+      mVFReslice->SetInterpolationModeToLinear();
+      mVFReslice->AutoCropOutputOn();
+      mVFReslice->SetBackgroundColor(-1000,-1000,-1000,1);
       mAAFilter= vtkSmartPointer<vtkAssignAttribute>::New();
       mVOIFilter = vtkSmartPointer<vtkExtractVOI>::New();
       mVOIFilter->SetSampleRate(mSubSampling,mSubSampling,mSubSampling);
     }
+
+    mConcatenatedVFTransform->Identity();
+    mConcatenatedVFTransform->Concatenate(mVF->GetTransform()[0]);
+    mConcatenatedVFTransform->Concatenate(mSlicingTransform);
+    mVFReslice->SetResliceAxes(mConcatenatedVFTransform->GetMatrix());
 #if VTK_MAJOR_VERSION <= 5
-    mVOIFilter->SetInput(vf->GetFirstVTKImageData());
+    mVFReslice->SetInput(0, mVF->GetFirstVTKImageData());
+#else
+    mVFReslice->SetInputData(0, mVF->GetFirstVTKImageData());
+#endif
+    mVFReslice->Update();
+
+#if VTK_MAJOR_VERSION <= 5
+    mVOIFilter->SetInput(mVFReslice->GetOutput());
     mAAFilter->SetInput(mVOIFilter->GetOutput());
 #else
-    mVOIFilter->SetInputData(vf->GetFirstVTKImageData());
-    mAAFilter->SetInputData(mVOIFilter->GetOutput());
+    mVOIFilter->SetInputConnection(mVFReslice->GetOutputPort());
+    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);
@@ -602,8 +633,8 @@ void vvSlicer::SetVF(vvImage::Pointer vf)
     mGlyphFilter->SetInput(mAAFilter->GetOutput());
     mGlyphFilter->SetSource(mArrow->GetOutput());
 #else
-    mGlyphFilter->SetInputData(mAAFilter->GetOutput());
-    mGlyphFilter->SetSourceData(mArrow->GetOutput());
+    mGlyphFilter->SetInputConnection(mAAFilter->GetOutputPort());
+    mGlyphFilter->SetSourceConnection(mArrow->GetOutputPort());
 #endif
     mGlyphFilter->ScalingOn();
     mGlyphFilter->SetScaleModeToScaleByVector();
@@ -625,9 +656,11 @@ void vvSlicer::SetVF(vvImage::Pointer vf)
 #if VTK_MAJOR_VERSION <= 5
     mVFMapper->SetInput(mGlyphFilter->GetOutput());
 #else
-    mVFMapper->SetInputData(mGlyphFilter->GetOutput());
+    mVFMapper->SetInputConnection(mGlyphFilter->GetOutputPort());
 #endif
+#ifndef VTK_OPENGL2
     mVFMapper->ImmediateModeRenderingOn();
+#endif
     mVFMapper->SetLookupTable(mVFColorLUT);
 
     if (!mVFActor)
@@ -647,7 +680,7 @@ void vvSlicer::SetVF(vvImage::Pointer vf)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetLandmarks(vvLandmarks* landmarks)
-{ //out << __func__ << endl;
+{ 
   mLandmarks = landmarks;
   if (landmarks) {
 
@@ -672,15 +705,27 @@ void vvSlicer::SetLandmarks(vvLandmarks* landmarks)
     mLandClipper->SetClipFunction(mClipBox);
     mLandClipper->InsideOutOn();
 #if VTK_MAJOR_VERSION <= 5
-    mLandClipper->SetInput(mLandmarks->GetOutput());
+    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(mLandClipper->GetOutput());
 #else
-    mLandClipper->SetInputData(mLandmarks->GetOutput());
+    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->SetSourceData(mCross->GetOutput());
-    mLandGlyph->SetInputData(mLandClipper->GetOutput());
+    mLandGlyph->SetSourceConnection(mCross->GetOutputPort());
+    mLandGlyph->SetInputConnection(mLandClipper->GetOutputPort());
 #endif
     //mLandGlyph->SetIndexModeToScalar();
     //mLandGlyph->SetRange(0,1);
@@ -695,11 +740,11 @@ void vvSlicer::SetLandmarks(vvLandmarks* landmarks)
     //mLandMapper->ScalarVisibilityOff();
 
     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);
   }
 }
 //------------------------------------------------------------------------------
@@ -707,7 +752,7 @@ 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)
-{ //out << __func__ << endl;
+{ 
   if (actor_type == "vector") {
     Renderer->RemoveActor(mVFActor);
     mGlyphFilter=NULL;
@@ -740,7 +785,7 @@ void vvSlicer::RemoveActor(const std::string& actor_type, int overlay_index)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVFSubSampling(int sub)
-{ //out << __func__ << endl;
+{ 
   if (mVOIFilter) {
     mVOIFilter->SetSampleRate(mSubSampling,mSubSampling,mSubSampling);
     mSubSampling = sub;
@@ -753,7 +798,7 @@ void vvSlicer::SetVFSubSampling(int sub)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVFScale(int scale)
-{ //out << __func__ << endl;
+{ 
   mScale = scale;
   if (mArrow)
     mArrow->SetScale(mScale);
@@ -764,7 +809,7 @@ void vvSlicer::SetVFScale(int scale)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVFWidth(int width)
-{ //out << __func__ << endl;
+{ 
   mVFWidth = width;
   if (mVFActor)
     mVFActor->GetProperty()->SetLineWidth(mVFWidth);
@@ -776,7 +821,7 @@ void vvSlicer::SetVFWidth(int width)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVFLog(int log)
-{ //out << __func__ << endl;
+{ 
   mVFLog = log;
   if (mGlyphFilter) {
     mGlyphFilter->SetUseLog(mVFLog);
@@ -790,7 +835,7 @@ void vvSlicer::SetVFLog(int log)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetTSlice(int t, bool updateLinkedImages)
-{ //out << __func__ << endl;
+{ 
 	if (!updateLinkedImages) {
 		mCurrentTSlice = t;
 #if VTK_MAJOR_VERSION <= 5
@@ -826,10 +871,14 @@ void vvSlicer::SetTSlice(int t, bool updateLinkedImages)
   if (mVF && mVFActor->GetVisibility()) {
     if (mVF->GetVTKImages().size() > (unsigned int)mCurrentTSlice)
 #if VTK_MAJOR_VERSION <= 5
-      mVOIFilter->SetInput(mVF->GetVTKImages()[mCurrentTSlice]);
+      mVFReslice->SetInput(mVF->GetVTKImages()[mCurrentTSlice]);
 #else
-      mVOIFilter->SetInputData(mVF->GetVTKImages()[mCurrentTSlice]);
+      mVFReslice->SetInputData(mVF->GetVTKImages()[mCurrentTSlice]);
 #endif
+      // Update overlay transform
+      mConcatenatedVFTransform->Identity();
+      mConcatenatedVFTransform->Concatenate(mVF->GetTransform()[mCurrentTSlice]);
+      mConcatenatedVFTransform->Concatenate(mSlicingTransform);
   }
   //update the overlay
   if (mOverlay && mOverlayActor->GetVisibility()) {
@@ -840,7 +889,6 @@ void vvSlicer::SetTSlice(int t, bool updateLinkedImages)
 #else
       mOverlayReslice->SetInputData( mOverlay->GetVTKImages()[mCurrentOverlayTSlice] );
 #endif
-
       // Update overlay transform
       mConcatenatedOverlayTransform->Identity();
       mConcatenatedOverlayTransform->Concatenate(mOverlay->GetTransform()[mCurrentOverlayTSlice]);
@@ -874,7 +922,7 @@ void vvSlicer::SetTSlice(int t, bool updateLinkedImages)
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetFusionSequenceTSlice(int t)
-{ //out << __func__ << endl;
+{ 
   if (mFusion && mFusionActor->GetVisibility() && (mFusionSequenceCode>=0)) {
     if (mFusion->GetVTKImages().size() > (unsigned int)t) {
       mCurrentFusionTSlice = t;
@@ -897,18 +945,18 @@ void vvSlicer::SetFusionSequenceTSlice(int t)
 
 //------------------------------------------------------------------------------
 int vvSlicer::GetTSlice()
-{ //out << __func__ << endl;
+{ 
   return mCurrentTSlice;
 }
 //------------------------------------------------------------------------------
 
 //------------------------------------------------------------------------------
 int vvSlicer::GetMaxCurrentTSlice()
-{ //out << __func__ << endl;
+{ 
   int t = mCurrentTSlice;
-  if(mOverlay)
+  if(mOverlay && mOverlayActor->GetVisibility())
     t = std::max(t, mCurrentOverlayTSlice);
-  if(mFusion&& (mFusionSequenceCode<0)) //ignore fusionSequence data: for these, the times are not to be related (this way)
+  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;
 }
@@ -916,21 +964,21 @@ int vvSlicer::GetMaxCurrentTSlice()
 
 //------------------------------------------------------------------------------
 int vvSlicer::GetFusionTSlice()
-{ //out << __func__ << endl;
+{ 
   return mCurrentFusionTSlice;
 }
 //------------------------------------------------------------------------------
 
 //------------------------------------------------------------------------------
 int vvSlicer::GetOverlayTSlice()
-{ //out << __func__ << endl;
+{ 
   return mCurrentOverlayTSlice;
 }
 //------------------------------------------------------------------------------
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetSliceOrientation(int orientation)
-{ //out << __func__ << endl;
+{ 
   //if 2D image, force to watch in Axial View
   int extent[6];
 #if VTK_MAJOR_VERSION <= 5
@@ -957,6 +1005,9 @@ void vvSlicer::SetSliceOrientation(int orientation)
   if(mOverlay)
     AdjustResliceToSliceOrientation(mOverlayReslice);
 
+  if(mVF)
+    AdjustResliceToSliceOrientation(mVFReslice);
+
   // Update the viewer
   
   // Go to current cursor position
@@ -1002,7 +1053,7 @@ 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)
-{ //out << __func__ << endl;
+{ 
   // Reset autocrop and update output information
   reslice->SetOutputOriginToDefault();
   reslice->SetOutputSpacingToDefault();
@@ -1040,12 +1091,15 @@ 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()
-{ //out << __func__ << endl;
+{ 
   int *w_ext;
   if (mUseReducedExtent) {
     w_ext = mReducedExtent;
@@ -1064,7 +1118,7 @@ int * vvSlicer::GetExtent()
 
 //----------------------------------------------------------------------------
 int vvSlicer::GetOrientation()
-{ //out << __func__ << endl;
+{ 
   return this->SliceOrientation;
 }
 //----------------------------------------------------------------------------
@@ -1072,23 +1126,31 @@ int vvSlicer::GetOrientation()
 
 //----------------------------------------------------------------------------
 void vvSlicer::UpdateDisplayExtent()
-{ //out << __func__ << endl;
+{ 
+  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
 
   w_ext[ this->SliceOrientation*2   ] = this->Slice;
@@ -1096,29 +1158,7 @@ void vvSlicer::UpdateDisplayExtent()
   
   // Image actor
   this->ImageActor->SetVisibility(mImageVisibility);
-#if VTK_MAJOR_VERSION <= 5
   this->ImageActor->SetDisplayExtent(w_ext);
-#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 (mFirstSetSliceOrientation) {
-    copyExtent(ext, mRegisterExtent);
-    this->ImageActor->SetDisplayExtent(w_ext); //initialisation
-  } else {
-    int w_croppingRegion[6];
-    copyExtent(mRegisterExtent, w_croppingRegion);
-    this->ImageActor->SetDisplayExtent(w_ext);
-    w_croppingRegion[ this->SliceOrientation*2   ] = this->Slice;
-    w_croppingRegion[ this->SliceOrientation*2+1 ] = this->Slice;
-    mapperOpenGL->SetCroppingRegion(w_croppingRegion);
-  }
-#endif 
   
 #if VTK_MAJOR_VERSION >= 6 || (VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10)
   // Fix for bug #1882
@@ -1129,11 +1169,12 @@ void vvSlicer::UpdateDisplayExtent()
   if (mOverlay && mOverlayVisibility) {
     AdjustResliceToSliceOrientation(mOverlayReslice);
     int overExtent[6];
-    this->ConvertImageToImageDisplayExtent(input, w_ext, mOverlayReslice->GetOutput(), overExtent);
 #if VTK_MAJOR_VERSION <= 5
+    this->ConvertImageToImageDisplayExtent(input, w_ext, mOverlayReslice->GetOutput(), overExtent);
     bool out = ClipDisplayedExtent(overExtent, mOverlayMapper->GetInput()->GetWholeExtent());
 #else
-    bool out = ClipDisplayedExtent(overExtent, mOverlayMapper->GetInput()->GetInformation()->Get(vtkDataObject::DATA_EXTENT()));
+    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 );
@@ -1149,11 +1190,12 @@ void vvSlicer::UpdateDisplayExtent()
   if (mFusion && mFusionVisibility) {
     AdjustResliceToSliceOrientation(mFusionReslice);
     int fusExtent[6];
-    this->ConvertImageToImageDisplayExtent(input, w_ext, mFusionReslice->GetOutput(), fusExtent);
 #if VTK_MAJOR_VERSION <= 5
+    this->ConvertImageToImageDisplayExtent(input, w_ext, mFusionReslice->GetOutput(), fusExtent);
     bool out = ClipDisplayedExtent(fusExtent, mFusionMapper->GetInput()->GetWholeExtent());
 #else
-    bool out = ClipDisplayedExtent(fusExtent, mFusionMapper->GetInput()->GetInformation()->Get(vtkDataObject::DATA_EXTENT()));
+    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 );
@@ -1183,41 +1225,43 @@ void vvSlicer::UpdateDisplayExtent()
     offset = -1;
   
   if (mVF && mVFVisibility) {
+    AdjustResliceToSliceOrientation(mVFReslice);
     int vfExtent[6];
 #if VTK_MAJOR_VERSION <= 5
     mVF->GetVTKImages()[0]->UpdateInformation();
-#else
-    //this->UpdateInformation();
-#endif
-    this->ConvertImageToImageDisplayExtent(input, w_ext, mVF->GetVTKImages()[0], vfExtent);
-#if VTK_MAJOR_VERSION <= 5
+    this->ConvertImageToImageDisplayExtent(input, w_ext, mVFReslice->GetOutput(), vfExtent);
     bool out = ClipDisplayedExtent(vfExtent, mVOIFilter->GetInput()->GetWholeExtent());
 #else
-    bool out = ClipDisplayedExtent(vfExtent, mVOIFilter->GetInput()->GetInformation()->Get(vtkDataObject::DATA_EXTENT()));
+    mVOIFilter->Update();
+    this->ConvertImageToImageDisplayExtent(mImageReslice->GetOutputInformation(0), w_ext, mVFReslice->GetOutput(), 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;
@@ -1242,6 +1286,39 @@ 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]);
   }
 }
 //----------------------------------------------------------------------------
@@ -1249,7 +1326,7 @@ void vvSlicer::UpdateDisplayExtent()
 //----------------------------------------------------------------------------
 void vvSlicer::ConvertImageToImageDisplayExtent(vtkImageData *sourceImage, const int sourceExtent[6],
                                                 vtkImageData *targetImage, int targetExtent[6])
-{ //out << __func__ << endl;
+{
   double dExtents[6];
   for(unsigned int i=0; i<6; i++) {
     // From source voxel coordinates to world coordinates
@@ -1271,7 +1348,7 @@ void vvSlicer::ConvertImageToImageDisplayExtent(vtkImageData *sourceImage, const
 
 //----------------------------------------------------------------------------
 bool vvSlicer::ClipDisplayedExtent(int extent[6], int refExtent[6])
-{ //out << __func__ << endl;
+{ 
   bool out = false;
   int maxBound = 6;
 
@@ -1299,7 +1376,7 @@ bool vvSlicer::ClipDisplayedExtent(int extent[6], int refExtent[6])
 
 //----------------------------------------------------------------------------
 void vvSlicer::UpdateOrientation()
-{ //out << __func__ << endl;
+{ 
   // Set the camera position
   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
   if (cam) {
@@ -1329,7 +1406,7 @@ void vvSlicer::UpdateOrientation()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetOpacity(double s)
-{ //out << __func__ << endl;
+{ 
   this->GetImageActor()->SetOpacity(s);
 }
 //----------------------------------------------------------------------------
@@ -1337,7 +1414,7 @@ void vvSlicer::SetOpacity(double s)
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetRenderWindow(int orientation, vtkRenderWindow * rw)
-{ //out << __func__ << endl;
+{ 
   this->Superclass::SetRenderWindow(rw);
   this->SetupInteractor(rw->GetInteractor());
   ca->SetImageActor(this->GetImageActor());
@@ -1369,7 +1446,7 @@ void vvSlicer::SetRenderWindow(int orientation, vtkRenderWindow * rw)
 
 //----------------------------------------------------------------------------
 void vvSlicer::ResetCamera()
-{ //out << __func__ << endl;
+{ 
   this->GetRenderer()->ResetCamera();
 }
 //----------------------------------------------------------------------------
@@ -1377,7 +1454,7 @@ void vvSlicer::ResetCamera()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetDisplayMode(bool i)
-{ //out << __func__ << endl;
+{ 
 	this->GetRenderer()->SetDraw(i);
 	if (i) UpdateDisplayExtent();
 }
@@ -1386,7 +1463,7 @@ void vvSlicer::SetDisplayMode(bool i)
 
 //----------------------------------------------------------------------------
 void vvSlicer::FlipHorizontalView()
-{ //out << __func__ << endl;
+{ 
   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
   if (cam) {
     double *position = cam->GetPosition();
@@ -1417,7 +1494,7 @@ void vvSlicer::FlipHorizontalView()
 
 //----------------------------------------------------------------------------
 void vvSlicer::FlipVerticalView()
-{ //out << __func__ << endl;
+{ 
   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
   if (cam) {
     FlipHorizontalView();
@@ -1431,7 +1508,7 @@ void vvSlicer::FlipVerticalView()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetColorWindow(double window)
-{ //out << __func__ << endl;
+{ 
   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(this->GetWindowLevel()->GetLookupTable());
   if ( LUT ) {
     double level = this->GetWindowLevel()->GetLevel();
@@ -1444,7 +1521,7 @@ void vvSlicer::SetColorWindow(double window)
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetColorLevel(double level)
-{ //out << __func__ << endl;
+{ 
   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(this->GetWindowLevel()->GetLookupTable());
   if ( LUT ) {
     double window = this->GetWindowLevel()->GetWindow();
@@ -1457,7 +1534,7 @@ void vvSlicer::SetColorLevel(double level)
 
 //----------------------------------------------------------------------------
 double vvSlicer::GetOverlayColorWindow()
-{ //out << __func__ << endl;
+{ 
   if(mOverlayMapper)
     return mOverlayMapper->GetWindow();
   else
@@ -1467,7 +1544,7 @@ double vvSlicer::GetOverlayColorWindow()
 
 //----------------------------------------------------------------------------
 double vvSlicer::GetOverlayColorLevel()
-{ //out << __func__ << endl;
+{ 
   if(mOverlayMapper)
     return mOverlayMapper->GetLevel();
   else
@@ -1477,7 +1554,7 @@ double vvSlicer::GetOverlayColorLevel()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetOverlayColorWindow(double window)
-{ //out << __func__ << endl;
+{ 
   if(mOverlayMapper)
     mOverlayMapper->SetWindow(window);
 }
@@ -1485,7 +1562,7 @@ void vvSlicer::SetOverlayColorWindow(double window)
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetOverlayColorLevel(double level)
-{ //out << __func__ << endl;
+{ 
   if(mOverlayMapper)
     mOverlayMapper->SetLevel(level);
 }
@@ -1494,7 +1571,7 @@ void vvSlicer::SetOverlayColorLevel(double 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)
-{ //out << __func__ << endl;
+{ 
   //Get mouse pointer position in view coordinates
   double corner1[3];
   double corner2[3];
@@ -1529,6 +1606,16 @@ 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();
@@ -1549,7 +1636,7 @@ void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max, vtkImag
 #if VTK_MAJOR_VERSION <= 5
   accFilter->SetInput(voiFilter->GetOutput());
 #else
-  accFilter->SetInputData(voiFilter->GetOutput());
+  accFilter->SetInputConnection(voiFilter->GetOutputPort(0));
 #endif
   accFilter->Update();
 
@@ -1560,7 +1647,7 @@ 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)
-{ //out << __func__ << endl;
+{ 
   ix = lrint(X);
   iy = lrint(Y);
   iz = lrint(Z);
@@ -1585,14 +1672,13 @@ double vvSlicer::GetScalarComponentAsDouble(vtkImageData *image, double X, doubl
   //image->SetUpdateExtent(ix, ix, iy, iy, iz, iz);
   //image->Update();
 #endif
-
   return image->GetScalarComponentAsDouble(ix, iy, iz, component);
 }
 //----------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
 void vvSlicer::Render()
-{ //out << __func__ << endl;
+{ 
   if (this->mFusion && mFusionActor->GetVisibility() && showFusionLegend) {
     legend->SetLookupTable(this->GetFusionMapper()->GetLookupTable());
     legend->UseOpacityOn();
@@ -1618,25 +1704,6 @@ void vvSlicer::Render()
         Y <= mImage->GetVTKImages()[mCurrentTSlice]->GetWholeExtent()[3]+0.5 &&
         Z >= mImage->GetVTKImages()[mCurrentTSlice]->GetWholeExtent()[4]-0.5 &&
         Z <= mImage->GetVTKImages()[mCurrentTSlice]->GetWholeExtent()[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;
-    }
 #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 &&
@@ -1644,16 +1711,14 @@ void vvSlicer::Render()
         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) {
-      
+#endif
       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]) << ' '
+      worldPos << "mm : " << lrint(mCurrent[0]) << ' '
+                          << lrint(mCurrent[1]) << ' '
+                          << lrint(mCurrent[2]) << ' '
                           << mCurrentTSlice
                           << std::endl;
       worldPos << "pixel : " << ix << ' '
@@ -1663,7 +1728,6 @@ void vvSlicer::Render()
                              << std::endl;
     
     }
-#endif
     ca->SetText(1,worldPos.str().c_str());
 
     std::stringstream slicePos;
@@ -1706,6 +1770,7 @@ void vvSlicer::Render()
 		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 &&
@@ -1733,6 +1798,8 @@ void vvSlicer::Render()
     }
 #if VTK_MAJOR_VERSION <= 5
     mOverlayMapper->GetOutput()->SetUpdateExtent(mOverlayActor->GetDisplayExtent());
+#elif VTK_MAJOR_VERSION >= 8 || (VTK_MAJOR_VERSION == 7 && VTK_MINOR_VERSION >= 1)
+    mOverlayMapper->UpdateExtent(mOverlayActor->GetDisplayExtent());
 #else
     mOverlayMapper->SetUpdateExtent(mOverlayActor->GetDisplayExtent());
 #endif
@@ -1741,22 +1808,26 @@ void vvSlicer::Render()
   if (mFusion && mFusionActor->GetVisibility()) {
 #if VTK_MAJOR_VERSION <= 5
     mFusionMapper->GetOutput()->SetUpdateExtent(mFusionActor->GetDisplayExtent());
+#elif VTK_MAJOR_VERSION >= 8 || (VTK_MAJOR_VERSION == 7 && VTK_MINOR_VERSION >= 1)
+    mFusionMapper->UpdateExtent(mFusionActor->GetDisplayExtent());
 #else
     mFusionMapper->SetUpdateExtent(mFusionActor->GetDisplayExtent());
 #endif
     mFusionMapper->Update();
   }
-  if (mLandMapper)
-    UpdateLandmarks();
+  if (mLandMapper) {
+    RemoveLandmarks();
+    DisplayLandmarks();
+  }
 
-  this->GetRenderWindow()->Render();
+    this->GetRenderWindow()->Render();
 }
 //----------------------------------------------------------------------------
 
 
 //----------------------------------------------------------------------------
 void vvSlicer::UpdateCursorPosition()
-{ //out << __func__ << endl;
+{ 
   pdmA->SetVisibility(true);
   mCursor[0] = mCurrent[0];
   mCursor[1] = mCurrent[1];
@@ -1767,24 +1838,43 @@ void vvSlicer::UpdateCursorPosition()
 
 
 //----------------------------------------------------------------------------
-void vvSlicer::UpdateLandmarks()
-{ //out << __func__ << endl;
-  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();
 
-    mClipBox->Modified();
-    mLandClipper->Update();
-    mLandMapper->Update();
-    //Let's add the captions
     //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);
@@ -1811,7 +1901,7 @@ void vvSlicer::UpdateLandmarks()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetSlice(int slice)
-{ //out << __func__ << endl;
+{ 
   int *range = this->GetSliceRange();
   if (range) {
     if (slice < range[0]) {
@@ -1837,7 +1927,7 @@ void vvSlicer::SetSlice(int slice)
 
 //----------------------------------------------------------------------------
 int vvSlicer::GetTMax() 
-{ //out << __func__ << endl;
+{ 
   int tmax = (int)mImage->GetVTKImages().size() - 1;
   if(mOverlay)
     tmax = std::max(tmax, (int)mOverlay->GetVTKImages().size()-1);
@@ -1847,7 +1937,7 @@ int vvSlicer::GetTMax()
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetContourSlice()
-{ //out << __func__ << endl;
+{ 
   if (mSurfaceCutActors.size() > 0)
     for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
          i!=mSurfaceCutActors.end(); i++) {
@@ -1862,7 +1952,7 @@ void vvSlicer::SetContourSlice()
 
 //----------------------------------------------------------------------------
 void vvSlicer::ForceUpdateDisplayExtent()
-{ //out << __func__ << endl;
+{ 
   this->UpdateDisplayExtent();
 }
 //----------------------------------------------------------------------------
@@ -1870,7 +1960,7 @@ void vvSlicer::ForceUpdateDisplayExtent()
 
 //----------------------------------------------------------------------------
 int* vvSlicer::GetDisplayExtent()
-{ //out << __func__ << endl;
+{ 
   return this->GetImageActor()->GetDisplayExtent();
 }
 //----------------------------------------------------------------------------
@@ -1878,7 +1968,7 @@ int* vvSlicer::GetDisplayExtent()
 
 //----------------------------------------------------------------------------
 void vvSlicer::PrintSelf(ostream& os, vtkIndent indent)
-{ //out << __func__ << endl;
+{ 
   this->Superclass::PrintSelf(os, indent);
 }
 //----------------------------------------------------------------------------
@@ -1886,7 +1976,7 @@ void vvSlicer::PrintSelf(ostream& os, vtkIndent indent)
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetVFColor(double r, double g, double b)
-{ //out << __func__ << endl;
+{ 
   double mVFColorHSV[3];
   mVFColor[0] = r;
   mVFColor[1] = g;
@@ -1904,7 +1994,7 @@ void vvSlicer::SetVFColor(double r, double g, double b)
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetRegisterExtent(int ext[6])
-{ //out << __func__ << endl;
+{ 
     copyExtent(ext, mRegisterExtent);
 }
 //----------------------------------------------------------------------------
@@ -1912,7 +2002,7 @@ void vvSlicer::SetRegisterExtent(int ext[6])
 
 //----------------------------------------------------------------------------
 void vvSlicer::GetRegisterExtent(int ext[6])
-{ //out << __func__ << endl;
+{ 
     copyExtent(mRegisterExtent, ext);
 }
 //----------------------------------------------------------------------------