[Visualpython-users] vpython crashes python

[Fred S. <bu...@ya...>]

from visual.graph import * # import graphing features
import sys 
display1 = gdisplay(x=0.0, y=0.0, width=300, height=200,
          title='Cos Graph', xtitle='X', ytitle='Y',
          xmax=10., xmin=-10., ymax=3., ymin=-3.,
          foreground=color.black, background=color.white)

#display2 = gdisplay(x=0, y=200, width=300, height=200,
#          title='Sin Graph', xtitle='X', ytitle='Y',
#          xmax=10., xmin=-10., ymax=3., ymin=-3.,
#          foreground=color.black, background=color.white)

graph = gcurve(gdisplay=display1,color=color.cyan) # a connected curve object
#graph2 = gcurve(gdisplay=display2,color=color.blue)


x_start= -8.   # graph starting from this x value
x_end = 8.     # graph ending at this x value
 
for x in range(x_start, x_end, 0.1):
    y = cos(x) # the function we want to graph  
    print x,y
    continue 
    graph.plot(pos=(x,y)) # plots a point

#    y = sin(x) # the function we want to graph   
#    graph2.plot(pos=(x,y)) # plots a point