Re: [Visualpython-users] Uniform scaling with gdisplay

[Bruce S. <Bru...@nc...>]

What did you change? That is, what do you mean by "now"? Presumably
you didn't get such a very strange message before making some change.
Maybe you need to reinstall visual?

Bruce Sherwood

On Sun, Oct 14, 2012 at 12:32 PM, Poul Riis <Pou...@sk...> wrote:
> Even worse now:
>
> Running the program below now results in the following error message:
>
> Traceback (most recent call last):
>  File "C:\pr\python\spiral.py", line 11
>    spiralplot =
> visualgraph.curve(color=visualgraph.crayola.magenta,display=spiralgraph)
>  File "C:\Python32\lib\site-packages\vis\primitives.py", line 82, in
> __init__
>    if not _other: self.init_defaults(keywords)
>  File "C:\Python32\lib\site-packages\vis\primitives.py", line 175, in
> init_defaults
>    self.material = self.display.material
> AttributeError: 'gdisplay' object has no attribute 'material'
>
>
>
>
>
> import visual.graph as visualgraph
> from time import *
> from math import *
>
> spiralgraph=visualgraph.gdisplay(title='Spiral', ytitle='x', xtitle='y',
>                                 x=0, y=0,
>                                 width=800, height=800,
>                                 foreground=visualgraph.color.black,
>                                 background=visualgraph.color.white)
> spiralplot =
> visualgraph.curve(color=visualgraph.crayola.magenta,display=spiralgraph)
> spiralplot.plot(pos=(-15,-15))
> spiralplot.plot(pos=(15,-15))
> spiralplot.plot(pos=(15,15))
> spiralplot.plot(pos=(-15,15))
> spiralplot.plot(pos=(-15,-15))
> for i in range(0,3600):
>    t=pi*i/360
>    x=t*cos(t)
>    y=t*sin(t)
>    spiralplot.plot(pos=(x,y))
>    sleep(0.001)
>
>
>
>
> Poul Riis