From 6e385f9a227796b6a5fde57f8cf3b7965aca266a Mon Sep 17 00:00:00 2001
From: Simon Rit <simon.rit@creatis.insa-lyon.fr>
Date: Mon, 4 Mar 2013 07:41:53 +0100
Subject: [PATCH] Rolled back to middle slice on first load

---
 vv/vvSlicer.cxx | 13 ++++++++-----
 vv/vvSlicer.h   |  1 +
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/vv/vvSlicer.cxx b/vv/vvSlicer.cxx
index 30a8f10..ed53d2c 100644
--- a/vv/vvSlicer.cxx
+++ b/vv/vvSlicer.cxx
@@ -155,6 +155,7 @@ vvSlicer::vvSlicer()
   mConcatenatedTransform = vtkSmartPointer<vtkTransform>::New();
   mConcatenatedFusionTransform = vtkSmartPointer<vtkTransform>::New();
   mConcatenatedOverlayTransform = vtkSmartPointer<vtkTransform>::New();
+  mFirstSetSliceOrientation = true;
 }
 //------------------------------------------------------------------------------
 
@@ -853,15 +854,17 @@ void vvSlicer::SetSliceOrientation(int orientation)
   // DDV(cursorPos, 3);
   // SetCurrentPosition(cursorPos[0],cursorPos[1],cursorPos[2],cursorPos[3]);
 
-  if (this->Renderer && this->GetInput()) {
+  if (mFirstSetSliceOrientation) {
+    int *range = this->GetSliceRange();
+    if (range)
+      this->Slice = static_cast<int>((range[0] + range[1]) * 0.5);
+    mFirstSetSliceOrientation = false;
+  }
+  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);
   }
-  
-//   int *range = this->GetSliceRange();
-//   if (range)
-//     this->Slice = static_cast<int>((range[0] + range[1]) * 0.5);
 
   this->UpdateOrientation();
   this->UpdateDisplayExtent();
diff --git a/vv/vvSlicer.h b/vv/vvSlicer.h
index 570c43d..0bffd1f 100644
--- a/vv/vvSlicer.h
+++ b/vv/vvSlicer.h
@@ -297,5 +297,6 @@ private:
   bool mOverlayVisibility;
   bool mFusionVisibility;
   bool mVFVisibility;
+  bool mFirstSetSliceOrientation;
 };
 #endif
-- 
2.47.1