diff options
| -rwxr-xr-x | gr-utils/python/utils/gr_plot_const | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/gr-utils/python/utils/gr_plot_const b/gr-utils/python/utils/gr_plot_const index e2580dd58f..28f6a540da 100755 --- a/gr-utils/python/utils/gr_plot_const +++ b/gr-utils/python/utils/gr_plot_const @@ -33,7 +33,7 @@ except ImportError: print "Please install Matplotlib to run this script (http://matplotlib.sourceforge.net/)" raise SystemExit, 1 -from optparse import OptionParser +from argparse import ArgumentParser class draw_constellation: def __init__(self, filename, options): @@ -221,24 +221,20 @@ def find(item_in, list_search): def main(): - usage="%prog: [options] input_filename" 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 = OptionParser(conflict_handler="resolve", usage=usage, description=description) - parser.add_option("-B", "--block", type="int", default=1000, - help="Specify the block size [default=%default]") - parser.add_option("-s", "--start", type="int", default=0, - help="Specify where to start in the file [default=%default]") - parser.add_option("-R", "--sample-rate", type="float", default=1.0, - help="Set the sampler rate of the data [default=%default]") - - (options, args) = parser.parse_args () - if len(args) != 1: - parser.print_help() - raise SystemExit, 1 - filename = args[0] - - dc = draw_constellation(filename, options) + 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", nargs=1, + help="Input file with complex samples") + args = parser.parse_args() + + dc = draw_constellation(args.file[0], args) if __name__ == "__main__": try: |