Re: [Visualpython-users] Help: color - what did I do wrong?

[Toan T N. <nt...@ph...>]

On Sunday 02 January 2005 19:45, Toan T Nguyen wrote:
> Hi, I'm using the face object and I keep getting this error message about
> color must be the same size as pos, but I don't know how to fix it. My
> script is like this:
>
> pos = zeros( (nface*3,3), Float)
> nor = pos
> col = pos
>
> ## assigning pos, nor, col here
> for i in range(nface)
> 	pos[i*3]=(p1x, p1y, p1z)
> 	nor[i*3]=(n1x, n1y, n1z)
> 	col[i*3]=color.red
> 	... # similarly for i*3+1, i*3+2
>
> faces(pos=pos, normal=nor, color=col)
>
>
> It gives me the following error
>
>   File "/usr/local/lib64/python2.3/site-packages/visual/primitives.py",
> line 301, in __init__
>     process_init_args_from_keyword_dictionary(self, keywords)
>   File "/usr/local/lib64/python2.3/site-packages/visual/primitives.py",
> line 37, in process_init_args_from_keyword_dictionary
>     displayobject.color =  keywords['color']
> ValueError: color must be the same size as pos.
>
>
> I tried
>
>  faces(pos=pos, normal=nor, color=col)

I meant 

faces(pos=pos, normal=nor, color=pos)


>
> It gives the same error. The only thing that works is
>
> faces(pos=pos, normal=nor, color=color.red)
>
> But I want to have different color for some faces. Can somebody help?
> Thanks a lot.
>
>
>
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