Nicolas Alvarez <nic### [at] gmailisthebestcom> wrote:

> > I'm trying to render an image in segments, using +SR and +ER, but I'm getting
> > banding.  Each 48-line segment has a different brightness.  Why?  Is this
> > because I'm using radiosity?
>
> Yes. I *always* get banding when using radiosity and tiled rendering.
>
> You could render the whole image at a lower resolution, saving radiosity
> data, then load that saved file when rendering the tiles. But IME, even
> then I got some slight brightness difference.

How do I do that?

Can I save the radiosity at full resolution?  (Isn't radiosity a two-pass
system?)

JH

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