On Fri, 20 Sep 2002 12:06:19 -0400, Tom Melly quoth:

> Are stored photon maps resolution independant? i.e. if I save a photon
> map while rendering at 320*240, can I load the map and get the correct
> result when rendering at 800*600?

This has come up before, in povray.advanced-users, under the topic of
"Saving Data" on June 26, 2002.  The reply:

Mark Wagner wrote:
>Rafal 'Raf256' Maj wrote in message ...
>>Hi,
>>when data for photons and/or media can NOT be safle loaded ? I ques that
>>camera moving/rotation is alwys safe, and any other changes is scene
>>(objects or lights) is not safe - is this correct ?
>
>Moving the camera is always safe.  Moving lights that do not cast photons
>is always safe.  Moving objects that do not have photons shot at them,
>that do not recieve photons, and would not recieve photons in the new
>location is always safe.  Moving an object that recieves photons to a new
>location where it does not recieve photons is sometimes safe.  Moving an
>object to a location where it recieves photons, moving an object that has
>photons shot at it, or moving a light that casts photons is not safe.
>
>Changing the texture of an object that recieves photons is safe. 
>Changing the texture of an object that has photons shot at it produces
>results that are not realistic, but can be useful sometimes.

So, in other words, yes.
 

-- 
Mark

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