Mise à jour visu.

Code/Visu/otbFixedSizeFullImageWidget.h

@@ -76,6 +76,8 @@ class FixedSizeFullImageWidget
     void operator=(const Self&);// purposely not implemented
 
     SizeType m_WindowSize;
+    bool m_ImageLoaded;
+    bool m_ImageOverlayLoaded;
 };
 } // end namespace otb
 #ifndef OTB_MANUAL_INSTANTIATION

Code/Visu/otbFixedSizeFullImageWidget.txx

@@ -38,6 +38,8 @@ FixedSizeFullImageWidget<TPixel>
   region.SetIndex(index);
   region.SetSize(m_WindowSize);
   this->SetViewedRegion(region);
+  m_ImageLoaded=false;
+  m_ImageOverlayLoaded=false;
 }
 
 /** 
@@ -98,16 +100,25 @@ bool
 FixedSizeFullImageWidget<TPixel>
 ::UpdateOpenGlBufferedRegionRequested(void)
 {
-  RegionType viewed = this->GetViewedRegion();
-  RegionType buffered = this->GetBufferedRegion();
-  IndexType viewedULCorner = viewed.GetIndex();
-  IndexType bufferedULCorner = buffered.GetIndex();
-  IndexType viewedRDCorner = viewed.GetIndex()+viewed.GetSize();
-  IndexType bufferedRDCorner = buffered.GetIndex()+buffered.GetSize();
-  return ( viewedULCorner[0]<bufferedULCorner[0]
-	   ||viewedULCorner[1]<bufferedULCorner[1]
-	   ||viewedRDCorner[0]>bufferedRDCorner[0]
-	   ||viewedRDCorner[1]>bufferedRDCorner[1]);
+  // RegionType viewed = this->GetViewedRegion();
+//   RegionType buffered = this->GetBufferedRegion();
+//   IndexType viewedULCorner = viewed.GetIndex();
+//   IndexType bufferedULCorner = buffered.GetIndex();
+//   IndexType viewedRDCorner = viewed.GetIndex()+viewed.GetSize();
+//   IndexType bufferedRDCorner = buffered.GetIndex()+buffered.GetSize();
+//   return ( viewedULCorner[0]<bufferedULCorner[0]
+// 	   ||viewedULCorner[1]<bufferedULCorner[1]
+// 	   ||viewedRDCorner[0]>bufferedRDCorner[0]
+// 	   ||viewedRDCorner[1]>bufferedRDCorner[1]);
+  if(m_ImageLoaded)
+    {
+      return false;
+    }
+  else
+    {
+      m_ImageLoaded=true;
+      return true;
+    }
 }
 /** 
  * Update OpenGlBuffer. 
@@ -128,16 +139,16 @@ bool
 FixedSizeFullImageWidget<TPixel>
 ::UpdateOpenGlImageOverlayBufferedRegionRequested(void)
 {
-  RegionType viewed = this->GetViewedRegion();
-  RegionType buffered = this->GetImageOverlayBufferedRegion();
-  IndexType viewedULCorner = viewed.GetIndex();
-  IndexType bufferedULCorner = buffered.GetIndex();
-  IndexType viewedRDCorner = viewed.GetIndex()+viewed.GetSize();
-  IndexType bufferedRDCorner = buffered.GetIndex()+buffered.GetSize();
-  return ( viewedULCorner[0]<bufferedULCorner[0]
-	   ||viewedULCorner[1]<bufferedULCorner[1]
-	   ||viewedRDCorner[0]>bufferedRDCorner[0]
-	   ||viewedRDCorner[1]>bufferedRDCorner[1]);
+if(m_ImageOverlayLoaded)
+    {
+      
+      return false;
+    }
+  else
+    {
+      m_ImageOverlayLoaded=true;
+      return true;
+    }
 }
 /** 
  * Update OpenGlBuffer. 

Code/Visu/otbImageWidgetBase.txx

@@ -250,8 +250,8 @@ ImageWidgetBase<TPixel>
   else
     {
       //otbMsgDebugMacro(<<"Show");
-      m_Image->SetRequestedRegion(m_BufferedRegion);
-      m_Image->Update();
+      // m_Image->SetRequestedRegion(m_BufferedRegion);
+//       m_Image->Update();
       this->show();
       this->redraw();
     }
@@ -268,8 +268,8 @@ ImageWidgetBase<TPixel>
  if(this->UpdateOpenGlBufferedRegionRequested())
     {
       UpdateOpenGlBufferedRegion();
-      m_Image->SetRequestedRegion(m_BufferedRegion);
-      m_Image->Update();
+      // m_Image->SetRequestedRegion(m_BufferedRegion);
+//       m_Image->Update();
       RebuildOpenGlBuffer();
     }
  if(m_ImageOverlayVisible && this->UpdateOpenGlImageOverlayBufferedRegionRequested())