from kcl.waterloo.swing import GCFrame
from kcl.waterloo.graphics import GJGraph,GJGraphContainer
from kcl.waterloo.graphics.plots2D import GJPie,GJPlotInterface

f=GCFrame()
gc=GJGraphContainer.createInstance(GJGraph.createInstance())
f.add(gc)

p=GJPie.createInstance()
p.setYData([20,39,40,41,100.4])

gc.getView().add(p)
gc.getView().autoScale()


# export to image
from kcl.waterloo.export import ExportFactory
from java.io import File
ExportFactory.saveAsSVG(gc, File("canvas2D_chartPie_waterloo.svg"));