tools/grid_scaling.py

   1 #!/usr/bin/python -u
   2
   3 import sys
   4 import os
   5 from pylab import *
   6 import subprocess
   7 import time
   8
   9 import gpubounds_error
  10
  11 def grid_scaling(binname, x0, y0, w0, h0, s, steps=100,testsvg="svg-tests/grid.svg"):
  12         data = []
  13         n = open("/dev/null", "w")
  14         p = subprocess.Popen(binname + " -s stdin", bufsize=0, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=n, shell=True)
  15         p.stdin.write("setbounds %s %s %s %s\n" % (str(x0),str(y0),str(w0),str(h0)))
  16         p.stdin.write("loadsvg %s\n" % testsvg)
  17         p.stdin.write("querygpubounds original.dat\n")
  18         p.stdin.write("screenshot original.bmp\n")
  19         for i in xrange(steps):
  20                 p.stdin.write("clear\n")
  21                 p.stdin.write("loop 1 zoom 0.5 0.5 %s\n" % str(s))
  22                 p.stdin.write("loadsvg %s\n" % testsvg)
  23                 p.stdin.write("querygpubounds step%d.dat\n" % i)
  24                 while not os.path.isfile("step%d.dat" % i):
  25                         pass
  26                 p.stdin.write("clearperf\n")
  27                 p.stdin.write("loop 10 wait\n")
  28                 p.stdin.write("recordperf\n")
  29                 p.stdin.write("printperf\n")
  30                 perf = p.stdout.readline()
  31                 time.sleep(0.5)
  32                 data += [gpubounds_error.ComputeError("original.dat", "step%d.dat" % i)]
  33                 #data += [gpubounds_error.UniqueBounds("step%d.dat" % i)]
  34
  35
  36         print "Quit"
  37         p.stdin.write("screenshot final.bmp\n")
  38         p.stdin.write("quit\n")
  39         p.stdin.close()
  40
  41         data = asarray(data)
  42         plot(data)
  43         show(block=True)
  44
  45
  46 if __name__ == "__main__":
  47         binname = "../src/ipdf"
  48         if len(sys.argv) > 1:
  49                 binname = sys.argv[1]
  50         grid_scaling(binname, 0.5, 0.5, 1, 1, 0.5)