Warp wrote:
> 
> Greg M. Johnson <gre### [at] my-dejanewscom> wrote:
> 
> : >   Secondly: With progressive render you can't use antialiasing.
> 
> : You're obviously more informed than I, but must this be true?
> 
>   Ok, it's not true. You can use antialiasing, but only for every pixel.
> That is, your image will get (by default) 9 times slower to render. That is,
> if your scene renders in 1 hour without antialiasing, it will take
> approximately 9 hours with antialiasing.
> 
> : AA happens by comparing pixel colors to those around it. If there is too much
> : difference, it sends out new pixels, right?
> 
>   Yes, but if there are no nearby pixels, how can you know if the current
> pixel has to be antialiased or not?

From what I understand, POVRay does antialiasing by subsampling
individual pixels, not by interpolation.. so progressive rendering
shouldn't have any effect on it. Also, why on earth would you want to
antialias anything but the final pass anyway?

-Xplo

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