0023498: EDF 15706 - Problem with VTK viewer

diff --git a/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx b/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx
index 53a65830a3f6088cc9b944bd5c5bc5ccc1ec7ec9..f99d102e143dcf0fe23b4c0cd4600d13f43d9886 100644 (file)
--- a/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx
+++ b/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx
@@ -68,6 +68,7 @@ void VTKViewer_OpenGLRenderer::SetGradientType( const int theGradientType )
 
 void VTKViewer_OpenGLRenderer::Clear(void)
 {
+  vtkOpenGLRenderer::Clear();
 #ifdef VTK_OPENGL2
   if (this->OpenGLHelper.IsInitialized())
   {