examples/bargraphs/compare.py

   1 # When plotting several bars with the same style in a bar graph,
   2 # they are plotted side by side. You have to create a nested bar
   3 # axis to make each position in the bar graph to contain another
   4 # bar axis.
   5
   6 from pyx import *
   7
   8 bap = graph.axis.painter.bar
   9 a = graph.axis.nestedbar(painter=bap(nameattrs=[trafo.rotate(45),
  10                                           text.halign.right],
  11                                      innerticklength=0.2))
  12
  13 g = graph.graphxy(width=8, x=a)
  14 g.plot([graph.data.file("bar.dat", xname=1, y=2),
  15         graph.data.file("bar.dat", xname=1, y=3)],
  16        [graph.style.bar()])
  17 g.writeEPSfile("compare")
  18 g.writePDFfile("compare")