Jim Holsenback wrote:
> Greetings,
> 
> Working on some doc stuff this morning ... beta24 added the ability to
> get pixel resolution of an image using max_extent.
> 
> See the entry here:
> http://wiki.povray.org/content/Documentation:Reference_Section_2.1#Functions
> 
> I'm sure some of you could come up with a more creative usage(s) ... yes
> that's a challenge ;-)
> 
> Anyway ... thought this was a neat feature addition!
> 
> Jim

Either I knew about it and forgot, or just never knew... anyway I can 
see this being useful in some cases. Scaling a height_field to the 
aspect of its input image would be one. Thanks for pointing it out (and 
doing the harder job of updating the docs)!

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