Hello Darcy,
I don't think it matters on PovRay's part: A number is a number,
is a number.. That is if povray has to scale it has to do it, and
the time used is so and so.

But for me I choose some scale that is convinient for me.
Depending on the situation, I use mm, m or some arbitrary scale 
that produce the picture I want,

cu
Bjarne

Darcy Johnston wrote:
> 
> Just a general question:
> 
> Which is actually better, in terms of resources used by povray:
> a) to have a smaller scaled object and then scale it up
> b) have a larger scaled object and not need to 'scale' it anymore
> c) having a small scaled object and just making your scene small scaled?
> 
> As an example, if I have a 255 foot tower, am I better off
> a) using .1 = 1 foot and then using scale 10 to being it up to 1 unit = 1
> foot
> b) just using  1unit = 1 foot everywhere
> c) just using .1 unit - 1 foot everywhere
> 
> or does it matter at all?
> 
> I realize this may be a silly question, but I was just curious whether any
> of these possibilities makes any difference to Povray.
> 
> Thanks,
> Darcy

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