size of image is limited by 7000 pixels

[modules/hydro.git] / src / HYDROGUI / HYDROGUI_ImagePrs.cxx

diff --git a/src/HYDROGUI/HYDROGUI_ImagePrs.cxx b/src/HYDROGUI/HYDROGUI_ImagePrs.cxx
index 1a4b2bb956c587445f579a654d8b310da0913498..9ebb95a148043548222315aff38e2f8e048ade61 100644 (file)
--- a/src/HYDROGUI/HYDROGUI_ImagePrs.cxx
+++ b/src/HYDROGUI/HYDROGUI_ImagePrs.cxx
@@ -102,6 +102,9 @@ void HYDROGUI_ImagePrs::Compute( const Handle(PrsMgr_PresentationManager3d)&,
     aPrs->Clear();
     Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup( aPrs );
 
+    if( myImage.IsNull() )
+      return;
+
     if ( aMode == 0 )
     {
         Handle(Graphic3d_ArrayOfPolylines) aSegments = new Graphic3d_ArrayOfPolylines( 5 );