design/dtk/piaxis.py

   1 from math import pi
   2 from pyx import *
   3 from pyx.graph.axis import linear
   4 from pyx.graph.axis.texter import rational
   5
   6 g = graph.graphxy(width=8, key=graph.key.key(pos="bl"),
   7                   x=linear(min=0, max=2*pi, title="$x$", divisor=pi,
   8                            texter=rational(suffix=r"\pi")),
   9                   y=linear(title="$y$"))
  10
  11 g.plot(graph.data.function("y(x)=sin(x)", title=r"$\sin(x)$"))
  12 g.plot(graph.data.function("y(x)=cos(x)", title=r"$\cos(x)$"))
  13
  14 g.writeEPSfile("piaxis")