diff options
Diffstat (limited to 'gr-wxgui/src/python/plotter/plotter_base.py')
| -rw-r--r-- | gr-wxgui/src/python/plotter/plotter_base.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gr-wxgui/src/python/plotter/plotter_base.py b/gr-wxgui/src/python/plotter/plotter_base.py index 5af580339..2fdd0f20a 100644 --- a/gr-wxgui/src/python/plotter/plotter_base.py +++ b/gr-wxgui/src/python/plotter/plotter_base.py @@ -189,7 +189,10 @@ class plotter_base(wx.glcanvas.GLCanvas, common.mutex): if self.use_persistence: if self.clear_accum: #GL.glClear(GL.GL_ACCUM_BUFFER_BIT) - GL.glAccum(GL.GL_LOAD, 1.0) + try: + GL.glAccum(GL.GL_LOAD, 1.0) + except: + pass self.clear_accum=False GL.glAccum(GL.GL_MULT, 1.0-self.persist_alpha) |