In article <3d62becb@news.povray.org>,


> what is a useful size to work with? what are the pro/cons in working with
> 1px=1 metre or 100px=1 metre?
> what do you use and why?

"px"?
The units in POV have no relation to any specific real-world 
measurement. Or to the generated image for that matter (it looks like 
you might think they are related to pixels for some reason). A unit is 
just a unit, you can use inches, millimeters, kilometers, miles, AU's, 
light years...whatever makes the most sense. You do have to be careful 
with the range of dimensions in your scene, computers have limited 
available precision.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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