diff options
Diffstat (limited to 'gnuradio-core/src/utils/gr_plot_int.py')
| -rwxr-xr-x | gnuradio-core/src/utils/gr_plot_int.py | 128 |
1 files changed, 8 insertions, 120 deletions
diff --git a/gnuradio-core/src/utils/gr_plot_int.py b/gnuradio-core/src/utils/gr_plot_int.py index ef2c7170a..3eb36011d 100755 --- a/gnuradio-core/src/utils/gr_plot_int.py +++ b/gnuradio-core/src/utils/gr_plot_int.py @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright 2007 Free Software Foundation, Inc. +# Copyright 2007,2008 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -21,125 +21,12 @@ # 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, @@ -150,12 +37,13 @@ def main(): 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: |