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https://github.com/Michaelangel007/c2t.git
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90 lines
2.3 KiB
Python
Executable File
90 lines
2.3 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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cycles_file = sys.argv[1]
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except:
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print "usage: %s cycles.txt" % sys.argv[0]
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sys.exit(1)
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f = open(cycles_file,'r')
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freq0 = f.readline().strip()
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freq1 = f.readline().strip()
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start = int(f.readline().strip())
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a2freq = 1020484.4497 # src: openemulator, src: https://discussions.apple.com/thread/559102
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#rot = True
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rot = False
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xr = a2freq / float(freq0)
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xcross = xr / float(2.0)
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xc2 = int(xcross * 100) / float(100)
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ycross = 0
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xdiv = xcross / float(math.pi)
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yb = -0.25
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g = open('plot.gnuplot','w')
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if rot:
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g.write('set title " %d/%d KHz Cycle" offset 0,-2\n' % (int(freq0)/1000,int(freq1)/1000))
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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 "plot.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 xrange [%d:%f]\n' % (start,xr))
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g.write('set yrange [%f:1]\n' % yb)
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g.write('set xtics 1 font "courier,10"\n')
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g.write('set x2tics 1 font "courier,10"\n')
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g.write('set ytics 1 font "courier,10"\n')
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g.write('set arrow from %d,0 to %f,0 nohead lw 1 lc rgb "black"\n' % (start,xr))
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g.write('set arrow from %f,%f to %f,1 nohead lw 1 lc rgb "black"\n' % (xcross,yb,xcross))
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if start < 0:
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g.write('set arrow from %f,%f to %f,1 nohead lw 1 lc rgb "black"\n' % (0,yb,0))
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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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x2tics = {}
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xtics = {}
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base = start
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ll = 0
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for i in f.readlines():
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cycles = int(i.split(' ')[0])
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text = i.split(' ',1)[1].rstrip().upper()
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if len(text) > ll:
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ll = len(text)
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xtics[str(base)] = text
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x2tics[str(base)] = str(base)
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base += cycles
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x2tics[str(xc2)] = ' ZC'
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if start < 0:
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x2tics['0'] = '0 ZC'
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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" %d, ' % (v + ' '*(ll-len(v)),int(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('plot sin(x/%f)\n' % xdiv)
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g.write('quit\n')
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g.close()
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os.system('gnuplot plot.gnuplot')
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os.system('pstopdf plot.ps -o plot.pdf')
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if rot:
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os.system('pdf90 plot.pdf')
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