From 9f2ff1a31b0f4e8ea47a11f0e9674620b97f1e68 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Thu, 21 Feb 2013 12:34:41 -0500
Subject: qtgui: fixed a autoscale issue with byte file types.
---
gr-qtgui/apps/plot_base.py | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
(limited to 'gr-qtgui/apps/plot_base.py')
diff --git a/gr-qtgui/apps/plot_base.py b/gr-qtgui/apps/plot_base.py
index 0990a309b7..52c888cff3 100644
--- a/gr-qtgui/apps/plot_base.py
+++ b/gr-qtgui/apps/plot_base.py
@@ -87,8 +87,14 @@ def read_samples_s(filename, start, in_size, min_size=0):
scipy.int16, gr.sizeof_short)
def read_samples_b(filename, start, in_size, min_size=0):
- return read_samples(filename, start, in_size, min_size,
- scipy.uint8, gr.sizeof_char)
+ d,mn,mx = read_samples(filename, start, in_size, min_size,
+ scipy.int8, gr.sizeof_char)
+
+ # Bit of a hack since we want to read the data as signed ints, but
+ # the gr.vector_source_b will only accept unsigned. We read in as
+ # signed, do our min/max and things on that, then convert here.
+ d = scipy.array(d, dtype=scipy.uint8).tolist()
+ return d,mn,mx
def read_samples_c(filename, start, in_size, min_size=0):
# Complex samples are handled differently
--
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