from pyx import *
g = graph.graphxy(width=14, height=6, x=graph.axis.bar())
g.plot(graph.data.file("minimal.dat", xname=0, y=2, stack=3),
[graph.style.bar(),
graph.style.text("y"),
graph.style.stackedbarpos("stack"),
graph.style.bar([color.rgb.green]),
graph.style.text("stack")])
g.writeEPSfile("stacked")
g.writePDFfile("stacked")
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