from java.lang import * # test print streams using java System.out.println("OK message") System.err.println("Error message") c1 = HChart("Canvas", 600, 600, 1, 2) c1.setGTitle("Chart examples") c1.cd(1, 1) c1.visible() c1.cd(1, 1) c1.setChartPie() c1.setName("Pie example") c1.valuePie("Hamburg", 1.0) c1.valuePie("London", 2.0) c1.valuePie("Paris", 1.0) c1.valuePie("Bern", 1.0) c1.update() # new plot c1.cd(1, 2) c1.setName("XY example") c1.setNameX("weeks") c1.setNameY("density") p1 = P1D("test 1") p1.setColor(Color.red) p2 = P1D("test 2") # fill