scott wrote:
> Does anyone else think it would be a good idea to have an option to 
> produce dithered output?  If your scene consists of colour gradients 
> between two close colours, or two greys, even in 24bpp format you can 
> often still see "banding".  Using some sort of dithering scheme in the 
> output would vastly improve images like this, and would be quite simple 
> to implement.  I just wonder how the dithering would be handled across 
> block borders between different threads, maybe the thread stores 
> float/double precision pixels and then the final "block assembler/file 
> writer" code will perform the dithering on the whole image?
> 
> Just an idea.
> 
> 

I think crand can accomplish this, although it isn't applied scene-wide, but to
specific textures.

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