#!/usr/bin/env python
#
-# Copyright 2007 Free Software Foundation, Inc.
+# Copyright 2007,2008 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
#
import scipy
-from pylab import *
from optparse import OptionParser
-
-matplotlib.interactive(True)
-matplotlib.use('TkAgg')
-
-class draw_fft_c:
- 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.axis_font_size = 16
- self.label_font_size = 18
- self.title_font_size = 20
- self.text_size = 22
-
- # 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, 0.94, ("File: %s" % filename), weight="heavy", size=self.text_size)
- self.text_file_pos = figtext(0.10, 0.88, "File Position: ", weight="heavy", size=self.text_size)
- self.text_block = figtext(0.40, 0.88, ("Block Size: %d" % self.block_length),
- weight="heavy", size=self.text_size)
- self.text_sr = figtext(0.60, 0.88, ("Sample Rate: %.2f" % self.sample_rate),
- weight="heavy", size=self.text_size)
- 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_f.get_xlim()
-
- self.manager = get_current_fig_manager()
- connect('key_press_event', self.click)
- show()
-
- def get_data(self):
- self.text_file_pos.set_text("File Position: %d" % (self.hfile.tell()//4))
- f = scipy.fromfile(self.hfile, dtype=scipy.int32, count=self.block_length)
- #print "Read in %d items" % len(self.f)
- if(len(f) == 0):
- print "End of File"
- else:
- self.f = f
- self.time = [i*(1/self.sample_rate) for i in range(len(self.f))]
-
- def make_plots(self):
- # if specified on the command-line, set file pointer
- self.hfile.seek(8*self.start, 1)
-
- self.get_data()
-
- # Subplot for real and imaginary parts of signal
- self.sp_f = self.fig.add_subplot(2,1,1, position=[0.075, 0.2, 0.875, 0.6])
- self.sp_f.set_title(("Amplitude"), fontsize=self.title_font_size, fontweight="bold")
- self.sp_f.set_xlabel("Time (s)", fontsize=self.label_font_size, fontweight="bold")
- self.sp_f.set_ylabel("Amplitude (V)", fontsize=self.label_font_size, fontweight="bold")
- self.plot_f = plot(self.time, self.f, 'bo-')
- self.sp_f.set_ylim([1.5*min(self.f),
- 1.5*max(self.f)])
-
- draw()
-
- def update_plots(self):
- self.plot_f[0].set_data([self.time, self.f])
- self.sp_f.set_ylim([1.5*min(self.f),
- 1.5*max(self.f)])
- draw()
-
- def click(self, event):
- forward_valid_keys = [" ", "down", "right"]
- backward_valid_keys = ["up", "left"]
-
- if(find(event.key, forward_valid_keys)):
- self.step_forward()
-
- elif(find(event.key, backward_valid_keys)):
- self.step_backward()
-
- def button_left_click(self, event):
- self.step_backward()
-
- def button_right_click(self, event):
- self.step_forward()
-
- def step_forward(self):
- self.get_data()
- self.update_plots()
-
- def step_backward(self):
- # Step back in file position
- if(self.hfile.tell() >= 8*self.block_length ):
- self.hfile.seek(-8*self.block_length, 1)
- else:
- self.hfile.seek(-self.hfile.tell(),1)
- self.get_data()
- self.update_plots()
-
-
-
-#FIXME: there must be a way to do this with a Python builtin
-def find(item_in, list_search):
- for l in list_search:
- if item_in == l:
- return True
- return False
+from gr_plot_data import plot_data
def main():
- usage="%prog: [options] input_filename"
- description = "Takes a GNU Radio floating point binary file and displays the samples versus time. 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."
+ usage="%prog: [options] input_filenames"
+ description = "Takes a GNU Radio integer binary file and displays the samples versus time. 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 = OptionParser(conflict_handler="resolve", usage=usage, description=description)
parser.add_option("-B", "--block", type="int", default=1000,
help="Set the sampler rate of the data [default=%default]")
(options, args) = parser.parse_args ()
- if len(args) != 1:
+ if len(args) < 1:
parser.print_help()
raise SystemExit, 1
- filename = args[0]
+ filenames = args
- dc = draw_fft_c(filename, options)
+ datatype=scipy.int32
+ dc = plot_data(datatype, filenames, options)
if __name__ == "__main__":
try:
projects / debian / gnuradio / blobdiff