diff options
Diffstat (limited to 'gr-wxgui/src/python/plotter/channel_plotter.py')
| -rw-r--r-- | gr-wxgui/src/python/plotter/channel_plotter.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gr-wxgui/src/python/plotter/channel_plotter.py b/gr-wxgui/src/python/plotter/channel_plotter.py index 22126bd0bb..e7e83e5fa9 100644 --- a/gr-wxgui/src/python/plotter/channel_plotter.py +++ b/gr-wxgui/src/python/plotter/channel_plotter.py @@ -107,6 +107,7 @@ class channel_plotter(grid_plotter_base): for channel in reversed(sorted(self._channels.keys())): samples = self._channels[channel][SAMPLES_KEY] num_samps = len(samples) + if not num_samps: continue #use opengl to scale the waveform glPushMatrix() glTranslatef(self.padding_left, self.padding_top, 0) @@ -128,7 +129,7 @@ class channel_plotter(grid_plotter_base): glColor3f(*self._channels[channel][COLOR_SPEC_KEY]) marker = self._channels[channel][MARKERY_KEY] if marker: glPointSize(marker) - glVertexPointer(2, GL_FLOAT, 0, points) + glVertexPointerf(points) glDrawArrays(marker is None and GL_LINE_STRIP or GL_POINTS, 0, len(points)) glPopMatrix() |