examples/graphstyles/usesymbol.py

   1 from pyx import *
   2
   3 # colors and symbols to use (alternatingly)
   4 colors = [color.rgb.red, color.rgb.green, color.rgb.blue, color.gray.black]
   5 symbols = [graph.style._diamondsymbol, graph.style._trianglesymbol, graph.style._circlesymbol]
   6
   7 # create the graph styles to be used below
   8 symbol = graph.style.symbol(symbol=attr.changelist(symbols),
   9                             symbolattrs=[deco.stroked.clear,
  10                                          attr.changelist([deco.filled([cc]) for cc in colors])])
  11 line = graph.style.line(lineattrs=[attr.changelist(colors),
  12                                    attr.changelist([style.linestyle.solid])])
  13
  14 g = graph.graphxy(width=8, x=graph.axis.linear(min=0, max=1))
  15 g.plot([graph.data.function("y(x) = x**%d" % i, points=8) for i in range(1, 7)],
  16        styles=[line, symbol])
  17 g.writeEPSfile("usesymbol")
  18 g.writePDFfile("usesymbol")