from java.awt import Color
from jhplot import *

c1 = HPlot3DP("Canvas",600,600)
c1.setGTitle('3D surfaces')
c1.visible();

f1=FPR('n=2.5 Pi; z=sin(n*x)+sin(n*y); z=z/n')
f1.setFillColor(Color.red)
f1.setLineColor(Color.green)

f2=FPR('u=2 Pi u; v=2 Pi v; r=0.6+.2cos(u); z=.8 sin(u); x=r cos(v); y=r sin(v)')
f2.setFillColor(Color.blue)

c1.draw(f2)
c1.draw(f1)