Unitialized variable was causing crash at startup on Windows

[clitk.git] / vv / vvSlicerManager.cxx

diff --git a/vv/vvSlicerManager.cxx b/vv/vvSlicerManager.cxx
index 4536f396a8d429f7890682a3aba393f03dc4c0b0..87c4ae3830b73d2bd6cfdff3a9a3b0034500a4f9 100644 (file)
--- a/vv/vvSlicerManager.cxx
+++ b/vv/vvSlicerManager.cxx
@@ -381,6 +381,13 @@ void vvSlicerManager::LeftButtonReleaseEvent(int slicer)
 }
 //----------------------------------------------------------------------------
 
+//----------------------------------------------------------------------------
+void vvSlicerManager::SetSliceOrientation(int slicer, int orientation)
+{
+  mSlicers[slicer]->SetSliceOrientation(orientation);
+  emit UpdateOrientation(slicer, orientation);
+}
+//----------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
 void vvSlicerManager::SetTSlice(int slice)
@@ -409,6 +416,7 @@ void vvSlicerManager::SetNextTSlice(int originating_slicer)
   t++;
   if (t > mSlicers[0]->GetTMax())
     t = 0;
+  //std::cout << "vvSlicerManager::SetNextTSlice" << std::endl;
   emit UpdateTSlice(originating_slicer,t);
 }
 //----------------------------------------------------------------------------
@@ -421,6 +429,7 @@ void vvSlicerManager::SetPreviousTSlice(int originating_slicer)
   t--;
   if (t < 0)
     t = mSlicers[0]->GetTMax();
+  //std::cout << "vvSlicerManager::SetPreviousTSlice" << std::endl;
   emit UpdateTSlice(originating_slicer,t);
 }
 //----------------------------------------------------------------------------
@@ -846,23 +855,19 @@ void vvSlicerManager::UpdateInfoOnCursorPosition(int slicer)
     }
     if (mSlicers[slicer]->GetOverlayActor() && mSlicers[slicer]->GetOverlayActor()->GetVisibility()) {
       displayOver = 1;
-      double Xover = (x - mSlicers[slicer]->GetOverlay()->GetOrigin()[0])
-        /mSlicers[slicer]->GetOverlay()->GetSpacing()[0];
-      double Yover = (y - mSlicers[slicer]->GetOverlay()->GetOrigin()[1])
-        /mSlicers[slicer]->GetOverlay()->GetSpacing()[1];
-      double Zover = (z - mSlicers[slicer]->GetOverlay()->GetOrigin()[2])
-        /mSlicers[slicer]->GetOverlay()->GetSpacing()[2];
-      valueOver = this->GetScalarComponentAsDouble(static_cast<vtkImageData*>(mSlicers[slicer]->GetOverlayMapper()->GetInput()), Xover, Yover, Zover);
+      vtkImageData *overlay = dynamic_cast<vtkImageData*>(mSlicers[slicer]->GetOverlayMapper()->GetInput());
+      double Xover = (x - overlay->GetOrigin()[0]) / overlay->GetSpacing()[0];
+      double Yover = (y - overlay->GetOrigin()[1]) / overlay->GetSpacing()[1];
+      double Zover = (z - overlay->GetOrigin()[2]) / overlay->GetSpacing()[2];
+      valueOver = this->GetScalarComponentAsDouble(overlay, Xover, Yover, Zover);
     }
     if (mSlicers[slicer]->GetFusionActor() && mSlicers[slicer]->GetFusionActor()->GetVisibility()) {
       displayFus = 1;
-      double Xfus = (x - mSlicers[slicer]->GetFusion()->GetOrigin()[0])
-        /mSlicers[slicer]->GetFusion()->GetSpacing()[0];
-      double Yfus = (y - mSlicers[slicer]->GetFusion()->GetOrigin()[1])
-        /mSlicers[slicer]->GetFusion()->GetSpacing()[1];
-      double Zfus = (z - mSlicers[slicer]->GetFusion()->GetOrigin()[2])
-        /mSlicers[slicer]->GetFusion()->GetSpacing()[2];
-      valueFus = this->GetScalarComponentAsDouble(static_cast<vtkImageData*>(mSlicers[slicer]->GetFusionMapper()->GetInput()), Xfus, Yfus, Zfus);
+      vtkImageData *fusion = dynamic_cast<vtkImageData*>(mSlicers[slicer]->GetFusionMapper()->GetInput());
+      double Xover = (x - fusion->GetOrigin()[0]) / fusion->GetSpacing()[0];
+      double Yover = (y - fusion->GetOrigin()[1]) / fusion->GetSpacing()[1];
+      double Zover = (z - fusion->GetOrigin()[2]) / fusion->GetSpacing()[2];
+      valueFus = this->GetScalarComponentAsDouble(fusion, Xover, Yover, Zover);
     }
     emit UpdatePosition(mSlicers[slicer]->GetCursorVisibility(),
                         x,y,z,X,Y,Z,value);
@@ -910,6 +915,7 @@ void vvSlicerManager::UpdateSlice(int slicer)
     //DD("============= NOTHING");
     return;
   }
+  //std::cout << "vvSlicerManager::UpdateSlice " << slicer << " " << mSlicers[slicer]->GetSlice() << std::endl;
   emit UpdateSlice(slicer, mSlicers[slicer]->GetSlice());
   mSlicers[slicer]->Render(); // DS <-- I add this, this could/must be the only Render ...
   mPreviousSlice[slicer] = mSlicers[slicer]->GetSlice();
@@ -920,15 +926,18 @@ void vvSlicerManager::UpdateSlice(int slicer)
 //----------------------------------------------------------------------------
 void vvSlicerManager::UpdateTSlice(int slicer)
 {
-  if (mPreviousSlice[slicer] == mSlicers[slicer]->GetSlice()) {
-    if (mPreviousTSlice[slicer] == mSlicers[slicer]->GetTSlice()) {
+  int slice = mSlicers[slicer]->GetSlice();
+  int tslice = mSlicers[slicer]->GetTSlice();
+  if (mPreviousSlice[slicer] == slice) {
+    if (mPreviousTSlice[slicer] == tslice) {
       //      DD("************** NOTHING ***********");
       return;
     }
   }
-  mPreviousSlice[slicer] = mSlicers[slicer]->GetSlice();
-  mPreviousTSlice[slicer] = mSlicers[slicer]->GetTSlice();
-  emit UpdateTSlice(slicer,mSlicers[slicer]->GetTSlice());
+  mPreviousSlice[slicer] = slice;
+  mPreviousTSlice[slicer] = tslice;
+  //std::cout << "vvSlicerManager::UpdateTSlice " << slicer << " " << tslice << std::endl;
+  emit UpdateTSlice(slicer, tslice);
 }
 //----------------------------------------------------------------------------