Warp wrote:
> 
>   This is not so simple.
> 
>   POV-Ray saves the radiosity data to an .rca file. This allows it to
> continue an interrupted render without problems, as it loads the data from
> that file and continues as if nothing had happened.

If you use 'always_sample off'

>   The problem can happen if you try to continue the render without the
> .rca file (eg. you continue the render in another computer without copying
> the .rca file there, only the scene file(s) and the partial image).
> 
>   The main problem with radiosity is not interrupted/continued renders,
> but partial renders (which is a different thing). If you render one half
> of the image (with +er.5) in one place and the other (with +sr.5) in another,
> you'll get a visible line. This is because the radiosity data from the first
> half is not taken into account in the second half and thus the illumination
> is different.

Pressing the stop button in WinPov does not leave the .rca file BTW.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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