75 lines
1.8 KiB
Python
Executable File
75 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python
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import sys, math, os
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try:
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timeline_file = sys.argv[1]
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except:
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print "usage: %s timeline.txt" % sys.argv[0]
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sys.exit(1)
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f = open(timeline_file,'r')
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title = f.readline().strip() + " Audio Timeline"
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start = 0
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rot = True
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g = open('timeline.gnuplot','w')
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if rot:
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g.write('set x2label "%s"\n' % title);
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#else:
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# g.write('set ylabel "%d/%d KHz Cycle"\n' % (int(freq0)/1000,int(freq1)/1000))
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g.write('set term postscript \n')
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#g.write('set size ratio 0.5\n')
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g.write('set output "timeline.ps"\n')
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g.write('set key off\n')
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g.write('set grid xtics lt 0 lw 1 lc rgb "#000000"\n')
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g.write('set grid ytics lt 0 lw 1 lc rgb "#000000"\n')
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g.write('set yrange [0:1]\n')
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g.write('set xtics 1 font "courier,9"\n')
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g.write('set x2tics 1 font "courier,9"\n')
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g.write('set xtic rotate by 90 right \n')
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g.write('set x2tic rotate by 90 left \n')
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g.write('unset ytics\n')
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g.write('unset y2tics\n')
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x2tics = {}
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xtics = {}
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ll = 0
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for i in f.readlines():
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if i[0] == '#':
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continue
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timestamp = float(i.split(',')[0])
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label = i.split(',')[1].rstrip()
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if len(label) > ll:
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ll = len(label)
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xtics[str(timestamp)] = label
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x2tics[str(timestamp)] = str(timestamp)
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g.write('set arrow from %f,0 to %f,1 nohead lw 1 lc rgb "black"\n' % (timestamp,timestamp))
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xr = timestamp
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g.write('set x2tics (')
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for k, v in x2tics.iteritems():
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g.write('"%s" %f, ' % (v,float(k)))
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g.write(')\n')
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g.write('set xtics (')
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for k, v in xtics.iteritems():
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#g.write('"%s" %f, ' % (v + ' '*(ll-len(v)),float(k)))
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g.write('"%s" %f, ' % (v,float(k)))
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g.write(')\n')
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f.close()
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#g.write('set ytics ("0" 0, "+" 1, "-" %f)\n' % yb)
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g.write('set xrange [%d:%f]\n' % (start,xr))
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g.write('plot 0\n')
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g.write('quit\n')
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g.close()
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os.system('gnuplot timeline.gnuplot')
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os.system('pstopdf timeline.ps -o timeline.pdf')
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if rot:
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os.system('pdf90 timeline.pdf')
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