From 1d920a8bc89948b8b6145bcedf5f65937b283aff Mon Sep 17 00:00:00 2001
From: rnv <rnv@opencascade.com>
Date: Wed, 22 Jan 2014 12:05:05 +0000
Subject: [PATCH] Fix bug comming from HYDRO.

---
 src/VTKViewer/VTKViewer_Utilities.cxx | 17 +++++++++++++++++
 src/VTKViewer/VTKViewer_Utilities.h   |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/src/VTKViewer/VTKViewer_Utilities.cxx b/src/VTKViewer/VTKViewer_Utilities.cxx
index 89ca6be89..6e1900572 100755
--- a/src/VTKViewer/VTKViewer_Utilities.cxx
+++ b/src/VTKViewer/VTKViewer_Utilities.cxx
@@ -264,6 +264,19 @@ bool IsBBEmpty(vtkRenderer* theRenderer)
   return !isAny;
 }
 
+/*!
+  Check that the given bounding box is valid, i.e each min bound < each max bound
+*/
+
+bool isBoundValid(double* theBounds) {
+  if(theBounds[0] > theBounds[1] ||
+     theBounds[2] > theBounds[3] ||
+     theBounds[4] > theBounds[5])
+    return false;
+  else 
+    return true;
+}
+
 bool ComputeBBCenter(vtkRenderer* theRenderer, double theCenter[3])
 {  
   theCenter[0] = theCenter[1] = theCenter[2] = 0.0;
@@ -288,6 +301,10 @@ bool ComputeBBCenter(vtkRenderer* theRenderer, double theCenter[3])
       if(anActor->GetVisibility() && !anActor->IsInfinitive())
       {
         double *aBounds = anActor->GetBounds();
+	
+	//Ignore invalid bounds
+	if(!isBoundValid(aBounds)) continue;
+
         if(aBounds[0] > -VTK_LARGE_FLOAT && aBounds[1] < VTK_LARGE_FLOAT &&
            aBounds[2] > -VTK_LARGE_FLOAT && aBounds[3] < VTK_LARGE_FLOAT &&
            aBounds[4] > -VTK_LARGE_FLOAT && aBounds[5] < VTK_LARGE_FLOAT)
diff --git a/src/VTKViewer/VTKViewer_Utilities.h b/src/VTKViewer/VTKViewer_Utilities.h
index 29d0d103d..1212e8f11 100755
--- a/src/VTKViewer/VTKViewer_Utilities.h
+++ b/src/VTKViewer/VTKViewer_Utilities.h
@@ -58,4 +58,7 @@ VTKVIEWER_EXPORT
 extern
 bool ComputeBBCenter(vtkRenderer* theRenderer, 
                      double theCenter[3]);
+VTKVIEWER_EXPORT
+extern
+bool isBoundValid(double* theBounds);
 #endif
-- 
2.39.2