Christopher James Huff wrote:
> In article <42374a9f$1@news.povray.org>,
>  Jim Charter <jrc### [at] msncom> wrote:
> 
> 
>>>function 1000, 1000 {F_Terrain(x, 0, y)}
>>>
>>
>>That's cool, then I could use the same function for hf and its pigment, 
>>just call each differently.
> 
> 
> Another thing, it's possible that the function image feature uses the 
> upper left corner as the origin, with the y coordinate going down. I 
> hope that's not so, since it'd be confusing and unnecessary, but if so, 
> just use 1-y instead of y.
> 
Thanks Chris, that's what I'll do.

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