From: jblum <jblum@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Tue, 2 Sep 2008 18:13:40 +0000 (+0000)
Subject: patched channel plotter -> Stefan Brüns
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=580a21ac5aa342b79b8d616117478196c5072e71;p=debian%2Fgnuradio

patched channel plotter -> Stefan Brüns

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@9484 221aa14e-8319-0410-a670-987f0aec2ac5
---

diff --git a/gr-wxgui/src/python/plotter/channel_plotter.py b/gr-wxgui/src/python/plotter/channel_plotter.py
index 22126bd0..e7e83e5f 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()