From 65a3df1665a8286c82307828891577613a37d70a Mon Sep 17 00:00:00 2001
From: Marcus Müller <marcus@hostalia.de>
Date: Sat, 25 Aug 2018 01:23:10 +0200
Subject: remove completely unused scipy from gr-util plot apps
---
gr-utils/python/utils/gr_plot_qt | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)
(limited to 'gr-utils/python/utils/gr_plot_qt')
diff --git a/gr-utils/python/utils/gr_plot_qt b/gr-utils/python/utils/gr_plot_qt
index 854ecc53b8..6a23e2b7af 100755
--- a/gr-utils/python/utils/gr_plot_qt
+++ b/gr-utils/python/utils/gr_plot_qt
@@ -1,11 +1,5 @@
#!/usr/bin/env python
-
-try:
- import scipy
- from scipy import fftpack
-except ImportError:
- print("Please install SciPy to run this script (http://www.scipy.org/)")
- raise SystemExit(1)
+import numpy
try:
from matplotlib import mlab
@@ -42,7 +36,7 @@ class SpectrogramData(Qwt.QwtRasterData):
def __init__(self, f, t):
Qwt.QwtArrayData.__init__(self, Qt.QRectF(0, 0, 0, 0))
- self.sp = scipy.array([[0], [0]])
+ self.sp = numpy.array([[0], [0]])
def set_data(self, xfreq, ytime, data):
self.sp = data
@@ -84,9 +78,9 @@ class gr_plot_qt(QtGui.QMainWindow):
self.sample_rate = options.sample_rate
self.psdfftsize = options.psd_size
self.specfftsize = options.spec_size
- self.winfunc = scipy.blackman
+ self.winfunc = numpy.blackman
self.sizeof_data = 8
- self.datatype = scipy.complex64
+ self.datatype = numpy.complex64
self.pen_width = 1
self.iq = list()
self.time = list()
@@ -328,7 +322,7 @@ class gr_plot_qt(QtGui.QMainWindow):
self.hfile.seek(start*self.sizeof_data, os.SEEK_SET)
self.position = start
try:
- iq = scipy.fromfile(self.hfile, dtype=self.datatype,
+ iq = numpy.fromfile(self.hfile, dtype=self.datatype,
count=end-start)
if(len(iq) < (end-start)):
@@ -355,7 +349,7 @@ class gr_plot_qt(QtGui.QMainWindow):
window=winpoints,
scale_by_freq=False)
- self.iq_psd = 10.0*scipy.log10(abs(fftpack.fftshift(iq_psd)))
+ self.iq_psd = 10.0*numpy.log10(abs(numpy.fft.fftshift(iq_psd)))
self.freq = freq - self.sample_rate/2.0
def get_specgram(self):
@@ -366,7 +360,7 @@ class gr_plot_qt(QtGui.QMainWindow):
window=winpoints,
scale_by_freq=False)
- self.iq_spec = 10.0*scipy.log10(abs(iq_spec))
+ self.iq_spec = 10.0*numpy.log10(abs(iq_spec))
self.spec_f = f
self.spec_t = t
--
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