From 9f7b45d044e701442d0b370e9779299d25a5d44c Mon Sep 17 00:00:00 2001
From: asl <asl@opencascade.com>
Date: Wed, 17 Sep 2014 11:44:49 +0000
Subject: [PATCH] refs #453: scalar bar is invisible

---
 src/HYDROGUI/HYDROGUI_VTKPrsDisplayer.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/HYDROGUI/HYDROGUI_VTKPrsDisplayer.cxx b/src/HYDROGUI/HYDROGUI_VTKPrsDisplayer.cxx
index b096a067..97815262 100644
--- a/src/HYDROGUI/HYDROGUI_VTKPrsDisplayer.cxx
+++ b/src/HYDROGUI/HYDROGUI_VTKPrsDisplayer.cxx
@@ -398,6 +398,10 @@ void HYDROGUI_VTKPrsDisplayer::createScalarBar( const int theViewId )
     aScalarBar->SetNumberOfLabels( NB_COLORS * 0.75 );
     aScalarBar->SetWidth( aScalarBar->GetWidth() / 1.5 );
     aScalarBar->SetTextureGridWidth( aScalarBar->GetTextureGridWidth() * 4. );
+    aScalarBar->SetTitle( "  " );
+    // The call of SetTitle() with dummy string is a workaround necessary
+    // to avoid the problem with uninitialized variables in VTK scalar bar actor
+    // which leads to incorrect (very big) size of the VTK scalar bar presentation
     aTable->Delete();
     myScalarBars.insert( theViewId, aScalarBar );
   }
-- 
2.39.2