examples/axis/log.py

   1 import math
   2 from pyx import *
   3 from pyx.graph import axis
   4
   5 # we here use parters and texters which are explained in the examples below
   6 log2parter = axis.parter.log([axis.parter.preexp([axis.tick.rational(1)], 4),
   7                               axis.parter.preexp([axis.tick.rational(1)], 2)])
   8 log2texter = axis.texter.exponential(nomantissaexp=r"{2^{%s}}",
   9                                      mantissamax=axis.tick.rational(2))
  10
  11 g = graph.graphxy(width=10,
  12     x=axis.log(min=1, max=1024),
  13     y=axis.log(min=1, max=1024, parter=log2parter),
  14     y2=axis.log(min=1, max=1024, parter=log2parter, texter=log2texter))
  15
  16 g.writeEPSfile("log")
  17 g.writePDFfile("log")