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#!/usr/bin/env python # rasterplot - a command line utility to generate rasterplots of # firing times for a group of neurons. It takes a single filename # as an argument, with a line for each cell containing the spike times separated # by spaces. The times are plotted as dots with the time on the x-axis and # the cell number (the line number) on the y-axis. import sys, os import matplotlib.pyplot as plt def plot_file(): print ’Plotting %s’ % filename fp = open(filename, ’r’) format = ’b.’ cell_num = 0 for line in fp.readlines(): cell_num += 1 y = cell_num data = line.split() # print data[0], data[1], data[2], data[3] for x in data: axes.plot(x, y, format) print "Processing finished" if __name__ == "__main__": ’’’ rasterplot - a command line utility to generate rasterplots of firing times for a group of neurons. It takes a single filename as argument, with a line for each cell containing the spike times separated by spaces. The times are plotted as dots with the time on the x-axis and the cell number (the line number) on the y-axis. ’’’ # create the plot and set size of the plot figure fig = plt.figure(dpi=120) axes = fig.add_subplot(111) try: filename = sys.argv[1] if os.path.exists(filename): plot_file() else: print ’**Error: Incorrect file name or path specified.\n’ print ’Usage: rasterplot filename’ sys.exit() except: print ’Bad file, or other error’ sys.exit() axes.set_title(’Raster Plot: ’+filename) axes.set_xlabel(’Seconds’) axes.set_ylabel(’Cell Number’) plt.draw() plt.show() |