]> Creatis software - clitk.git/blobdiff - vv/vvSlicerManager.cxx
Fix for UpdateLinkedNavigation with transforms. This also simplifies the
[clitk.git] / vv / vvSlicerManager.cxx
index 987162cc6b420a0d3c8d25e557174c5b5e27945e..8411f030d3fda72e235929a0b28a52126383102f 100644 (file)
@@ -57,12 +57,13 @@ vvSlicerManager::vvSlicerManager(int numberOfSlicers)
   mPreset = 0;
   mOverlayColor = 130;
 
-  mFusionOpacity = 70;
+  mFusionOpacity = 30;
   mFusionThresOpacity = 1;
   mFusionColorMap = 3;
   mFusionWindow = 1000;
   mFusionLevel = 1000;
-
+  mFusionShowLegend = true;
+  
   mLandmarks = NULL;
   mLinkedId.resize(0);
 
@@ -71,6 +72,7 @@ vvSlicerManager::vvSlicerManager(int numberOfSlicers)
 
   mPreviousSlice.resize(numberOfSlicers);
   mPreviousTSlice.resize(numberOfSlicers);
+  mSlicingPreset = WORLD_SLICING;
 }
 //----------------------------------------------------------------------------
 
@@ -425,6 +427,13 @@ void vvSlicerManager::SetSliceOrientation(int slicer, int orientation)
 }
 //----------------------------------------------------------------------------
 
+//----------------------------------------------------------------------------
+int vvSlicerManager::GetTSlice()
+{
+  return mSlicers[0]->GetTSlice();
+}
+//----------------------------------------------------------------------------
+
 //----------------------------------------------------------------------------
 void vvSlicerManager::SetTSlice(int slice)
 {
@@ -437,7 +446,7 @@ void vvSlicerManager::SetTSlice(int slice)
   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
     if (slice != mSlicers[i]->GetTSlice()) {
       mSlicers[i]->SetTSlice(slice);
-        UpdateTSlice(i);
+      UpdateTSlice(i);
     }
   }
 }
@@ -497,6 +506,13 @@ void vvSlicerManager::SetTSliceInSlicer(int tslice, int slicer)
 
   if (mSlicers[slicer]->GetTSlice() == tslice) return;
 
+  if(mSlicingPreset==VOXELS_SLICING) {
+    vtkMatrix4x4 *imageTransformInverse = vtkMatrix4x4::New();
+    mImage->GetTransform()[tslice]->GetInverse(imageTransformInverse);
+    this->GetSlicer(slicer)->GetSlicingTransform()->SetMatrix(imageTransformInverse);
+    imageTransformInverse->Delete();
+  }
+
   mSlicers[slicer]->SetTSlice(tslice);
   UpdateTSlice(slicer);
 }
@@ -512,7 +528,6 @@ void vvSlicerManager::SetColorWindow(double s)
 }
 //----------------------------------------------------------------------------
 
-
 //----------------------------------------------------------------------------
 void vvSlicerManager::SetColorLevel(double s)
 {
@@ -522,6 +537,33 @@ void vvSlicerManager::SetColorLevel(double s)
 }
 //----------------------------------------------------------------------------
 
+//----------------------------------------------------------------------------
+void vvSlicerManager::SetOverlayColorWindow(double s)
+{
+  for ( unsigned int i = 0; i < mSlicers.size(); i++) {
+    mSlicers[i]->SetOverlayColorWindow(s);
+  }
+}
+//----------------------------------------------------------------------------
+
+//----------------------------------------------------------------------------
+void vvSlicerManager::SetOverlayColorLevel(double s)
+{
+  for ( unsigned int i = 0; i < mSlicers.size(); i++) {
+    mSlicers[i]->SetOverlayColorLevel(s);
+  }
+}
+//----------------------------------------------------------------------------
+
+//----------------------------------------------------------------------------
+void vvSlicerManager::SetLinkOverlayWindowLevel(bool b)
+{
+  for ( unsigned int i = 0; i < mSlicers.size(); i++) {
+    mSlicers[i]->SetLinkOverlayWindowLevel(b);
+  }
+}
+//----------------------------------------------------------------------------
+
 //----------------------------------------------------------------------------
 void vvSlicerManager::SetCursorAndCornerAnnotationVisibility(int s)
 {
@@ -543,36 +585,42 @@ void vvSlicerManager::SetOpacity(int i, double factor)
 //----------------------------------------------------------------------------
 void vvSlicerManager::UpdateViews(int current,int slicer)
 {
-  double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
+  double p[3], pt[3];
+  p[0] = mSlicers[slicer]->GetCurrentPosition()[0];
+  p[1] = mSlicers[slicer]->GetCurrentPosition()[1];
+  p[2] = mSlicers[slicer]->GetCurrentPosition()[2];
+  mSlicers[slicer]->GetSlicingTransform()->GetInverse()->TransformPoint(p, pt);
+
+  double x = (pt[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
     /mSlicers[slicer]->GetInput()->GetSpacing()[0];
-  double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
+  double y = (pt[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
     /mSlicers[slicer]->GetInput()->GetSpacing()[1];
-  double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
+  double z = (pt[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
     /mSlicers[slicer]->GetInput()->GetSpacing()[2];
 
-  if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
-      x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
-      y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
-      y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
-      z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
-      z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]) {
+  if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0]-0.5 &&
+      x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1]+0.5 &&
+      y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2]-0.5 &&
+      y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3]+0.5 &&
+      z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4]-0.5 &&
+      z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]+0.5) {
     mSlicers[slicer]->UpdateCursorPosition();
     mSlicers[slicer]->SetCursorColor(10,212,255);
 
     switch (mSlicers[slicer]->GetSliceOrientation()) {
     case vtkImageViewer2::SLICE_ORIENTATION_XY:
-      if (mSlicers[slicer]->GetSlice() != (int)floor(z))
-        mSlicers[slicer]->SetSlice((int)floor(z));
+      if (mSlicers[slicer]->GetSlice() != (int)lrint(z))
+        mSlicers[slicer]->SetSlice((int)lrint(z));
       break;
 
     case vtkImageViewer2::SLICE_ORIENTATION_XZ:
-      if (mSlicers[slicer]->GetSlice() != (int)floor(y))
-        mSlicers[slicer]->SetSlice((int)floor(y));
+      if (mSlicers[slicer]->GetSlice() != (int)lrint(y))
+        mSlicers[slicer]->SetSlice((int)lrint(y));
       break;
 
     case vtkImageViewer2::SLICE_ORIENTATION_YZ:
-      if (mSlicers[slicer]->GetSlice() != (int)floor(x))
-        mSlicers[slicer]->SetSlice((int)floor(x));
+      if (mSlicers[slicer]->GetSlice() != (int)lrint(x))
+        mSlicers[slicer]->SetSlice((int)lrint(x));
       break;
     }
     mSlicers[slicer]->Render();
@@ -582,10 +630,7 @@ void vvSlicerManager::UpdateViews(int current,int slicer)
           && mSlicers[i]->GetRenderer()->GetDraw()
           && mSlicers[i]->GetRenderWindow()->GetSize()[0] > 2
           && mSlicers[i]->GetRenderWindow()->GetSize()[1] > 2) {
-        mSlicers[i]->SetCurrentPosition(mSlicers[slicer]->GetCurrentPosition()[0],
-                                        mSlicers[slicer]->GetCurrentPosition()[1],
-                                        mSlicers[slicer]->GetCurrentPosition()[2],
-                                        mSlicers[slicer]->GetTSlice());
+        mSlicers[i]->SetCurrentPosition(p[0], p[1], p[2], mSlicers[slicer]->GetTSlice());
         mSlicers[i]->UpdateCursorPosition();
         if (current) { //do not display corner annotation if image is the one picked
           mSlicers[i]->SetCurrentPosition(-VTK_DOUBLE_MAX,-VTK_DOUBLE_MAX,
@@ -625,19 +670,21 @@ void vvSlicerManager::UpdateViews(int current,int slicer)
 //----------------------------------------------------------------------------
 void vvSlicerManager::UpdateLinked(int slicer)
 {
-  double x = (mSlicers[slicer]->GetCurrentPosition()[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0])
-    /mSlicers[slicer]->GetInput()->GetSpacing()[0];
-  double y = (mSlicers[slicer]->GetCurrentPosition()[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1])
-    /mSlicers[slicer]->GetInput()->GetSpacing()[1];
-  double z = (mSlicers[slicer]->GetCurrentPosition()[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2])
-    /mSlicers[slicer]->GetInput()->GetSpacing()[2];
-
-  if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0] &&
-      x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1] &&
-      y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2] &&
-      y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3] &&
-      z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4] &&
-      z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]) {
+  double p[3], pt[3];
+  p[0] = mSlicers[slicer]->GetCurrentPosition()[0];
+  p[1] = mSlicers[slicer]->GetCurrentPosition()[1];
+  p[2] = mSlicers[slicer]->GetCurrentPosition()[2];
+  mSlicers[slicer]->GetSlicingTransform()->GetInverse()->TransformPoint(p, pt);
+  double x = (pt[0] - mSlicers[slicer]->GetInput()->GetOrigin()[0]) / mSlicers[slicer]->GetInput()->GetSpacing()[0];
+  double y = (pt[1] - mSlicers[slicer]->GetInput()->GetOrigin()[1]) / mSlicers[slicer]->GetInput()->GetSpacing()[1];
+  double z = (pt[2] - mSlicers[slicer]->GetInput()->GetOrigin()[2]) / mSlicers[slicer]->GetInput()->GetSpacing()[2];
+
+  if (x >= mSlicers[slicer]->GetInput()->GetWholeExtent()[0]-0.5 &&
+      x <= mSlicers[slicer]->GetInput()->GetWholeExtent()[1]+0.5 &&
+      y >= mSlicers[slicer]->GetInput()->GetWholeExtent()[2]-0.5 &&
+      y <= mSlicers[slicer]->GetInput()->GetWholeExtent()[3]+0.5 &&
+      z >= mSlicers[slicer]->GetInput()->GetWholeExtent()[4]-0.5 &&
+      z <= mSlicers[slicer]->GetInput()->GetWholeExtent()[5]+0.5) {
     for (std::list<std::string>::const_iterator i = mLinkedId.begin(); i != mLinkedId.end(); i++) {
       emit UpdateLinkManager(*i, slicer,mSlicers[slicer]->GetCurrentPosition()[0],
                              mSlicers[slicer]->GetCurrentPosition()[1],
@@ -651,10 +698,16 @@ void vvSlicerManager::UpdateLinked(int slicer)
 void vvSlicerManager::UpdateLinkedNavigation(vvSlicer *refSlicer, bool bPropagate)
 {
   vtkCamera *refCam = refSlicer->GetRenderer()->GetActiveCamera();
-  double refPosition[3], refFocal[3];
+
+  double refPosition[3];
   refCam->GetPosition(refPosition);
-  refCam->GetFocalPoint(refFocal);
-  
+  refPosition[refSlicer->GetSliceOrientation()] = refSlicer->GetSlice() *
+      refSlicer->GetInput()->GetSpacing()[refSlicer->GetSliceOrientation()] +
+      refSlicer->GetInput()->GetOrigin()[refSlicer->GetSliceOrientation()];
+
+  refSlicer->GetSlicingTransform()->TransformPoint(refPosition, refPosition);
+  mSlicers[0]->GetSlicingTransform()->GetInverse()->TransformPoint(refPosition, refPosition);
+
   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
     vtkCamera *camera = mSlicers[i]->GetRenderer()->GetActiveCamera();
     camera->SetParallelScale(refCam->GetParallelScale());
@@ -663,49 +716,16 @@ void vvSlicerManager::UpdateLinkedNavigation(vvSlicer *refSlicer, bool bPropagat
     camera->GetPosition(position);
     camera->GetFocalPoint(focal);
 
-    if(refSlicer->GetSliceOrientation()==mSlicers[i]->GetSliceOrientation()) {
-      for(int i=0; i<3; i++) {
-        position[i] = refPosition[i];
-        focal[i]    = refFocal[i];
-      }
-    }
-
-    if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
-      if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
-        position[0] = refPosition[0];
-        focal[0]    = refFocal[0];
-      }
-      if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
-        position[1] = refPosition[1];
-        focal[1]    = refFocal[1];
-      }
-    }
-
-    if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
-      if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
-        position[2] = refPosition[2];
-        focal[2]    = refFocal[2];
-      }
-      if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
-        position[0] = refPosition[0];
-        focal[0]    = refFocal[0];
-      }
-    }
-
-    if(refSlicer->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_YZ) {
-      if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XY) {
-        position[1] = refPosition[1];
-        focal[1]    = refFocal[1];
-      }
-      if(mSlicers[i]->GetSliceOrientation()==vtkImageViewer2::SLICE_ORIENTATION_XZ) {
-        position[2] = refPosition[2];
-        focal[2]    = refFocal[2];
+    for(int j=0; j<3; j++) {
+      if(j!=mSlicers[i]->GetSliceOrientation()) {
+        position[j] = refPosition[j];
+        focal[j]    = refPosition[j];
       }
     }
 
     camera->SetFocalPoint(focal);
     camera->SetPosition(position);
-  
+
     //Fix for bug #243
     mSlicers[i]->ForceUpdateDisplayExtent();
   }
@@ -736,6 +756,58 @@ double vvSlicerManager::GetColorLevel()
 }
 //----------------------------------------------------------------------------
 
+//----------------------------------------------------------------------------
+double vvSlicerManager::GetOverlayColorWindow() const
+{
+  if (mSlicers.size())
+    return mSlicers[0]->GetOverlayColorWindow();
+  return -1;
+}
+//----------------------------------------------------------------------------
+
+//----------------------------------------------------------------------------
+double vvSlicerManager::GetOverlayColorLevel() const
+{
+  if (mSlicers.size())
+    return mSlicers[0]->GetOverlayColorLevel();
+  return -1;
+}
+//----------------------------------------------------------------------------
+
+//----------------------------------------------------------------------------
+bool vvSlicerManager::GetLinkOverlayWindowLevel() const
+{
+  if (mSlicers.size())
+    return mSlicers[0]->GetLinkOverlayWindowLevel();
+  return -1;
+}
+//----------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+void vvSlicerManager::ResetTransformationToIdentity(const std::string actorType)
+{
+  if(actorType == "image")
+    for(unsigned int i=0; i<this->GetImage()->GetTransform().size(); i++)
+      this->GetImage()->GetTransform()[i]->Identity();
+  else if(actorType == "overlay")
+    for(unsigned int i=0; i<this->GetImage()->GetTransform().size(); i++)
+      this->GetSlicer(0)->GetOverlay()->GetTransform()[i]->Identity();
+  else if(actorType == "fusion")
+    for(unsigned int i=0; i<this->GetImage()->GetTransform().size(); i++)
+      this->GetSlicer(0)->GetFusion()->GetTransform()[i]->Identity();
+  else if(actorType == "vf")
+    for(unsigned int i=0; i<this->GetImage()->GetTransform().size(); i++)
+      this->GetVF()->GetTransform()[i]->Identity();
+  else
+    return;
+
+  for(int i=0; i< this->GetNumberOfSlicers(); i++){
+    this->GetSlicer(i)->ForceUpdateDisplayExtent();
+    this->GetSlicer(i)->ResetCamera();
+    this->GetSlicer(i)->Render();
+  }
+}
+//------------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
 void vvSlicerManager::Render()
@@ -771,7 +843,8 @@ void vvSlicerManager::Reload()
 //----------------------------------------------------------------------------
 void vvSlicerManager::ReloadFusion()
 {
-  mFusionReader->Update();
+  mFusionReader->Update(mImage->GetNumberOfDimensions(),mFusionComponent.c_str(),mType);
+
   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
     mSlicers[i]->SetFusion(mFusionReader->GetOutput());
     mSlicers[i]->Render();
@@ -783,7 +856,7 @@ void vvSlicerManager::ReloadFusion()
 //----------------------------------------------------------------------------
 void vvSlicerManager::ReloadOverlay()
 {
-  mOverlayReader->Update();
+  mOverlayReader->Update(mImage->GetNumberOfDimensions(),mOverlayComponent.c_str(),mType);
   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
     mSlicers[i]->SetOverlay(mOverlayReader->GetOutput());
     mSlicers[i]->Render();
@@ -929,10 +1002,11 @@ void vvSlicerManager::Picked()
 }
 //----------------------------------------------------------------------------
 
+
 //----------------------------------------------------------------------------
 void vvSlicerManager::UpdateWindowLevel()
 {
-  emit WindowLevelChanged(mSlicers[0]->GetColorWindow(),mSlicers[0]->GetColorLevel(),mPreset,mColorMap);
+  emit WindowLevelChanged();
 }
 //----------------------------------------------------------------------------
 
@@ -980,6 +1054,41 @@ void vvSlicerManager::UpdateSliceRange(int slicer)
 }
 //----------------------------------------------------------------------------
 
+//----------------------------------------------------------------------------
+void vvSlicerManager::SetSlicingPreset(SlicingPresetType preset)
+{
+  if(mSlicingPreset==preset)
+    return;
+
+  vtkMatrix4x4 *imageTransformInverse = vtkMatrix4x4::New();
+  mImage->GetTransform()[this->GetTSlice()]->GetInverse(imageTransformInverse);
+
+  for(int i=0; i< this->GetNumberOfSlicers(); i++){
+    vvSlicer *s = this->GetSlicer(i);
+    switch(preset)
+    {
+    case WORLD_SLICING:
+      s->GetSlicingTransform()->Identity();
+      break;
+    case VOXELS_SLICING:
+      s->GetSlicingTransform()->SetMatrix(imageTransformInverse);
+      break;
+    default:
+      imageTransformInverse->Delete();
+      return;
+    }
+    s->ForceUpdateDisplayExtent();
+    s->SetSlice((s->GetInput()->GetWholeExtent()[s->GetSliceOrientation()*2+1]
+                +s->GetInput()->GetWholeExtent()[s->GetSliceOrientation()*2])/2.0);
+    s->ResetCamera();
+    s->Render();
+  }
+
+  imageTransformInverse->Delete();
+  mSlicingPreset = preset;
+}
+
+//----------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
 void vvSlicerManager::SetPreset(int preset)
@@ -1036,14 +1145,40 @@ void vvSlicerManager::SetPreset(int preset)
 
 
 //----------------------------------------------------------------------------
-void vvSlicerManager::SetLocalColorWindowing(const int slicer)
+void vvSlicerManager::SetLocalColorWindowing(const int slicer, const bool bCtrlKey)
 {
   double min, max;
-  this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max);
-  this->SetColorWindow(max-min);
-  this->SetColorLevel(0.5*(min+max));
-  this->UpdateWindowLevel();
+  int t = this->GetTSlice();
+  if(bCtrlKey && this->mSlicers[slicer]->GetFusion()) {
+    this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max,
+                                                          this->mSlicers[slicer]->GetFusion()->GetVTKImages()[t],
+                                                          this->mSlicers[slicer]->GetFusion()->GetTransform()[t]);
+    this->SetFusionWindow(max-min);
+    this->SetFusionLevel(0.5*(min+max));
+    this->SetColorMap(mColorMap);
+  }
+  else if(bCtrlKey && this->mSlicers[slicer]->GetOverlay()) {
+    this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max,
+                                                          this->mSlicers[slicer]->GetOverlay()->GetVTKImages()[t],
+                                                          this->mSlicers[slicer]->GetOverlay()->GetTransform()[t]);
+    if(this->mSlicers[slicer]->GetLinkOverlayWindowLevel()){
+      this->SetColorWindow(max-min);
+      this->SetColorLevel(0.5*(min+max));
+    } else {
+      this->SetOverlayColorWindow(max-min);
+      this->SetOverlayColorLevel(0.5*(min+max));
+    }
+  }
+  else {
+    this->mSlicers[slicer]->GetExtremasAroundMousePointer(min, max,
+                                                          this->mSlicers[slicer]->GetImage()->GetVTKImages()[t],
+                                                          this->mSlicers[slicer]->GetConcatenatedTransform());
+    this->SetColorWindow(max-min);
+    this->SetColorLevel(0.5*(min+max));
+    this->SetPreset(6);
+  }
   this->Render();
+  this->UpdateWindowLevel();
 }
 //----------------------------------------------------------------------------
 
@@ -1089,21 +1224,22 @@ void vvSlicerManager::SetColorMap(int colormap)
   case 4:
     if (LUT == NULL)
       LUT = vtkLookupTable::New();
-    LUT->SetValueRange(0,1);
+    LUT->SetValueRange(1,1);
     LUT->SetSaturationRange(1,1);
     LUT->SetHueRange(0,1);
+    LUT->SetAlphaRange(1, 1);
     break;
   case 5:
     if (LUT == NULL)
       LUT = vtkLookupTable::New();
-    LUT->SetValueRange(0.,1);
+    LUT->SetValueRange(1,1);
     LUT->SetSaturationRange(1,1);
     LUT->SetHueRange(1,0.1);
     //LUT->SetRampToLinear();
     break;
   }
   if (LUT) {
-    LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
+    LUT->SetTableRange(level-fabs(window)/2,level+fabs(window)/2);
     LUT->Build();
   }
   vtkWindowLevelLookupTable* fusLUT = NULL;
@@ -1137,15 +1273,20 @@ void vvSlicerManager::SetColorMap(int colormap)
     }
     
     fusLUT->ForceBuild();
+    double v[4];
     
     // set color table transparency
-    double alpha_range_end = frange[0] + (double)mFusionThresOpacity*(frange[1] - frange[0])/100;
-    for (double i = frange[0]; i < alpha_range_end; i++) {
-      double v[4];
-      vtkIdType index = fusLUT->GetIndex(i);
-      fusLUT->GetTableValue(index, v);
+    //double alpha_range=(double)mFusionThresOpacity/10;
+    double range_end = fusRange[0] + (double)mFusionThresOpacity*(fusRange[1] - fusRange[0])/100;
+    double curr_value = fusRange[0];
+    int nvalues = fusLUT->GetNumberOfTableValues();
+    for (double i = 0; curr_value < range_end; i++) {  
+      fusLUT->GetTableValue(i, v);
       v[3] = 0;
-      fusLUT->SetTableValue(index, v);
+      //if (curr_value >= -alpha_range && curr_value <= alpha_range) v[3] = pow(fabs(curr_value/alpha_range),2);
+      //else v[3] = 1;
+      fusLUT->SetTableValue(i, v);
+      curr_value += (fusRange[1] - fusRange[0])/nvalues;
     }
   }
   for ( unsigned int i = 0; i < mSlicers.size(); i++) {
@@ -1178,6 +1319,7 @@ void vvSlicerManager::SetColorMap(int colormap)
     }
     
     if (mSlicers[i]->GetFusion()) {
+      mSlicers[i]->ShowFusionLegend(mFusionShowLegend);
       mSlicers[i]->GetFusionMapper()->SetLookupTable(fusLUT);
       mSlicers[i]->GetFusionActor()->SetOpacity(double(mFusionOpacity)/100);
     }
@@ -1209,12 +1351,12 @@ void vvSlicerManager::AddLandmark(float x,float y,float z,float t)
   double x_index = (x - mSlicers[0]->GetInput()->GetOrigin()[0])/mSlicers[0]->GetInput()->GetSpacing()[0];
   double y_index = (y - mSlicers[0]->GetInput()->GetOrigin()[1])/mSlicers[0]->GetInput()->GetSpacing()[1];
   double z_index = (z - mSlicers[0]->GetInput()->GetOrigin()[2])/mSlicers[0]->GetInput()->GetSpacing()[2];
-  if (x_index >= mSlicers[0]->GetInput()->GetWholeExtent()[0] &&
-      x_index <= mSlicers[0]->GetInput()->GetWholeExtent()[1] &&
-      y_index >= mSlicers[0]->GetInput()->GetWholeExtent()[2] &&
-      y_index <= mSlicers[0]->GetInput()->GetWholeExtent()[3] &&
-      z_index >= mSlicers[0]->GetInput()->GetWholeExtent()[4] &&
-      z_index <= mSlicers[0]->GetInput()->GetWholeExtent()[5]) {
+  if (x_index >= mSlicers[0]->GetInput()->GetWholeExtent()[0]-0.5 &&
+      x_index <= mSlicers[0]->GetInput()->GetWholeExtent()[1]+0.5 &&
+      y_index >= mSlicers[0]->GetInput()->GetWholeExtent()[2]-0.5 &&
+      y_index <= mSlicers[0]->GetInput()->GetWholeExtent()[3]+0.5 &&
+      z_index >= mSlicers[0]->GetInput()->GetWholeExtent()[4]-0.5 &&
+      z_index <= mSlicers[0]->GetInput()->GetWholeExtent()[5]+0.5) {
     double value = this->GetScalarComponentAsDouble(mSlicers[0]->GetInput(), x_index, y_index, z_index);
     this->GetLandmarks()->AddLandmark(x,y,z,t,value);
     emit LandmarkAdded();