examples/axis/texter.py

   1 import math
   2 from pyx import *
   3 from pyx.graph import axis
   4
   5 class piaxis(axis.linear):
   6
   7     def __init__(self, divisor=math.pi,
   8                  texter=axis.texter.rational(suffix="\pi"), **kwargs):
   9         axis.linear.__init__(self, divisor=divisor, texter=texter, **kwargs)
  10
  11
  12 p = path.path(path.moveto(0, 0), path.curveto(3, 0, 1, 4, 4, 4))
  13
  14 c = canvas.canvas()
  15 c.insert(axis.pathaxis(p, axis.linear(min=0, max=10)))
  16 c.insert(axis.pathaxis(p.transformed(trafo.translate(4, 0)),
  17                        axis.linear(min=0, max=1e5)))
  18 c.insert(axis.pathaxis(p.transformed(trafo.translate(8, 0)),
  19                        piaxis(min=0, max=2*math.pi)))
  20 c.writeEPSfile("texter")
  21 c.writePDFfile("texter")