From 8427b6cdd8112f82ddae5815a87334708db5764e Mon Sep 17 00:00:00 2001
From: japm48 <japm48@users.noreply.github.com>
Date: Thu, 26 Mar 2020 17:27:28 +0100
Subject: gr-utils: restructure plot_tools folder
Move python/utils/ to plot_tools/ as per issue #2462.
---
gr-utils/python/utils/gr_plot_const | 230 ------------------------------------
1 file changed, 230 deletions(-)
delete mode 100755 gr-utils/python/utils/gr_plot_const
(limited to 'gr-utils/python/utils/gr_plot_const')
diff --git a/gr-utils/python/utils/gr_plot_const b/gr-utils/python/utils/gr_plot_const
deleted file mode 100755
index 808fb7d1ad..0000000000
--- a/gr-utils/python/utils/gr_plot_const
+++ /dev/null
@@ -1,230 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2007,2008,2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-#
-
-from __future__ import print_function
-
-import numpy
-
-try:
- from pylab import *
- from matplotlib.font_manager import fontManager, FontProperties
-except ImportError:
- print("Please install Python Matplotlib (http://matplotlib.sourceforge.net/) and \
- Python TkInter https://wiki.python.org/moin/TkInter to run this script")
- raise SystemExit(1)
-
-from argparse import ArgumentParser
-
-class draw_constellation:
- def __init__(self, filename, options):
- self.hfile = open(filename, "r")
- self.block_length = options.block
- self.start = options.start
- self.sample_rate = options.sample_rate
-
- self.datatype = numpy.complex64
- self.sizeof_data = self.datatype().nbytes # number of bytes per sample in file
-
- self.axis_font_size = 16
- self.label_font_size = 18
- self.title_font_size = 20
-
- # Setup PLOT
- self.fig = figure(1, figsize=(16, 9), facecolor='w')
- rcParams['xtick.labelsize'] = self.axis_font_size
- rcParams['ytick.labelsize'] = self.axis_font_size
-
- self.text_file = figtext(0.10, 0.95, ("File: %s" % filename), weight="heavy", size=16)
- self.text_file_pos = figtext(0.10, 0.90, "File Position: ", weight="heavy", size=16)
- self.text_block = figtext(0.40, 0.90, ("Block Size: %d" % self.block_length),
- weight="heavy", size=16)
- self.text_sr = figtext(0.60, 0.90, ("Sample Rate: %.2f" % self.sample_rate),
- weight="heavy", size=16)
- self.make_plots()
-
- self.button_left_axes = self.fig.add_axes([0.45, 0.01, 0.05, 0.05], frameon=True)
- self.button_left = Button(self.button_left_axes, "<")
- self.button_left_callback = self.button_left.on_clicked(self.button_left_click)
-
- self.button_right_axes = self.fig.add_axes([0.50, 0.01, 0.05, 0.05], frameon=True)
- self.button_right = Button(self.button_right_axes, ">")
- self.button_right_callback = self.button_right.on_clicked(self.button_right_click)
-
- self.xlim = self.sp_iq.get_xlim()
-
- self.manager = get_current_fig_manager()
- connect('draw_event', self.zoom)
- connect('key_press_event', self.click)
- connect('button_press_event', self.mouse_button_callback)
- show()
-
- def get_data(self):
- self.text_file_pos.set_text("File Position: %d" % (self.hfile.tell()//self.sizeof_data))
- try:
- iq = numpy.fromfile(self.hfile, dtype=self.datatype, count=self.block_length)
- except MemoryError:
- print("End of File")
- else:
- # retesting length here as newer version of numpy does not throw a MemoryError, just
- # returns a zero-length array
- if(len(iq) > 0):
- self.reals = numpy.array([r.real for r in iq])
- self.imags = numpy.array([i.imag for i in iq])
-
- self.time = numpy.array([i*(1/self.sample_rate) for i in range(len(self.reals))])
- return True
- else:
- print("End of File")
- return False
-
- def make_plots(self):
- # if specified on the command-line, set file pointer
- self.hfile.seek(self.sizeof_data*self.start, 1)
-
- r = self.get_data()
-
- # Subplot for real and imaginary parts of signal
- self.sp_iq = self.fig.add_subplot(2,1,1, position=[0.075, 0.2, 0.4, 0.6])
- self.sp_iq.set_title(("I&Q"), fontsize=self.title_font_size, fontweight="bold")
- self.sp_iq.set_xlabel("Time (s)", fontsize=self.label_font_size, fontweight="bold")
- self.sp_iq.set_ylabel("Amplitude (V)", fontsize=self.label_font_size, fontweight="bold")
- self.plot_iq = self.sp_iq.plot(self.time, self.reals, 'bo-', self.time, self.imags, 'ro-')
-
- # Subplot for constellation plot
- self.sp_const = self.fig.add_subplot(2,2,1, position=[0.575, 0.2, 0.4, 0.6])
- self.sp_const.set_title(("Constellation"), fontsize=self.title_font_size, fontweight="bold")
- self.sp_const.set_xlabel("Inphase", fontsize=self.label_font_size, fontweight="bold")
- self.sp_const.set_ylabel("Quadrature", fontsize=self.label_font_size, fontweight="bold")
- self.plot_const = self.sp_const.plot(self.reals, self.imags, 'bo')
-
- # Add plots to mark current location of point between time and constellation plots
- self.indx = 0
- self.plot_iq += self.sp_iq.plot([self.time[self.indx],], [self.reals[self.indx],], 'mo', ms=8)
- self.plot_iq += self.sp_iq.plot([self.time[self.indx],], [self.imags[self.indx],], 'mo', ms=8)
- self.plot_const += self.sp_const.plot([self.reals[self.indx],], [self.imags[self.indx],], 'mo', ms=12)
-
- # Adjust axis
- self.sp_iq.axis([self.time.min(), self.time.max(),
- 1.5*min([self.reals.min(), self.imags.min()]),
- 1.5*max([self.reals.max(), self.imags.max()])])
- self.sp_const.axis([-2, 2, -2, 2])
-
- draw()
-
- def update_plots(self):
- self.plot_iq[0].set_data([self.time, self.reals])
- self.plot_iq[1].set_data([self.time, self.imags])
- self.sp_iq.axis([self.time.min(), self.time.max(),
- 1.5*min([self.reals.min(), self.imags.min()]),
- 1.5*max([self.reals.max(), self.imags.max()])])
-
- self.plot_const[0].set_data([self.reals, self.imags])
- self.sp_const.axis([-2, 2, -2, 2])
- draw()
-
- def zoom(self, event):
- newxlim = numpy.array(self.sp_iq.get_xlim())
- curxlim = numpy.array(self.xlim)
- if(newxlim[0] != curxlim[0] or newxlim[1] != curxlim[1]):
- self.xlim = newxlim
- r = self.reals[int(ceil(self.xlim[0])) : int(ceil(self.xlim[1]))]
- i = self.imags[int(ceil(self.xlim[0])) : int(ceil(self.xlim[1]))]
-
- self.plot_const[0].set_data(r, i)
- self.sp_const.axis([-2, 2, -2, 2])
- self.manager.canvas.draw()
- draw()
-
- def click(self, event):
- forward_valid_keys = [" ", "down", "right"]
- backward_valid_keys = ["up", "left"]
- trace_forward_valid_keys = [">",]
- trace_backward_valid_keys = ["<",]
-
- if(find(event.key, forward_valid_keys)):
- self.step_forward()
-
- elif(find(event.key, backward_valid_keys)):
- self.step_backward()
-
- elif(find(event.key, trace_forward_valid_keys)):
- self.indx = min(self.indx+1, len(self.time)-1)
- self.set_trace(self.indx)
-
- elif(find(event.key, trace_backward_valid_keys)):
- self.indx = max(0, self.indx-1)
- self.set_trace(self.indx)
-
- def button_left_click(self, event):
- self.step_backward()
-
- def button_right_click(self, event):
- self.step_forward()
-
- def step_forward(self):
- r = self.get_data()
- if(r):
- self.update_plots()
-
- def step_backward(self):
- # Step back in file position
- if(self.hfile.tell() >= 2*self.sizeof_data*self.block_length ):
- self.hfile.seek(-2*self.sizeof_data*self.block_length, 1)
- else:
- self.hfile.seek(-self.hfile.tell(),1)
- r = self.get_data()
- if(r):
- self.update_plots()
-
-
- def mouse_button_callback(self, event):
- x, y = event.xdata, event.ydata
-
- if x is not None and y is not None:
- if(event.inaxes == self.sp_iq):
- self.indx = searchsorted(self.time, [x])
- self.set_trace(self.indx)
-
-
- def set_trace(self, indx):
- self.plot_iq[2].set_data(self.time[indx], self.reals[indx])
- self.plot_iq[3].set_data(self.time[indx], self.imags[indx])
- self.plot_const[1].set_data(self.reals[indx], self.imags[indx])
- draw()
-
-
-def find(item_in, list_search):
- try:
- return list_search.index(item_in) != None
- except ValueError:
- return False
-
-
-def main():
- description = "Takes a GNU Radio complex binary file and displays the I&Q data versus time and the constellation plot (I vs. Q). You can set the block size to specify how many points to read in at a time and the start position in the file. By default, the system assumes a sample rate of 1, so in time, each sample is plotted versus the sample number. To set a true time axis, set the sample rate (-R or --sample-rate) to the sample rate used when capturing the samples."
-
- parser = ArgumentParser(conflict_handler="resolve", description=description)
- parser.add_argument("-B", "--block", type=int, default=1000,
- help="Specify the block size [default=%(default)r]")
- parser.add_argument("-s", "--start", type=int, default=0,
- help="Specify where to start in the file [default=%(default)r]")
- parser.add_argument("-R", "--sample-rate", type=float, default=1.0,
- help="Set the sampler rate of the data [default=%(default)r]")
- parser.add_argument("file", metavar="FILE",
- help="Input file with complex samples")
- args = parser.parse_args()
-
- dc = draw_constellation(args.file, args)
-
-if __name__ == "__main__":
- try:
- main()
- except KeyboardInterrupt:
- pass
--
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