Warp <war### [at] tagpovrayorg> wrote:
> Mr <nomail@nomail> wrote:
> > Hi, I am using a background with transmit to 1 in PNG format and it behaves
> > exactly like I want it to (it's colored, and it's removable). I just didn't find
> > how to remove the white outline I get when using anti aliasing?

>   The background color getting mixed with antialiased pixels (as well as
> semi-transparent surfaces) is a design mistake in 3.7beta which hopefully
> will be corrected at some point.

>   POV-Ray 3.5 behaved the same way, and it made the +UA option quite
> useless (except in the cases where you deliberately *don't* use antialiasing
> nor (semi)transparent surfaces), so the behavior was fixed in POV-Ray 3.6,
> which works properly in this respect.

>   The behavior was reverted to the same as 3.5 when the code was redesigned
> in 3.7beta. It should be fixed back to the way 3.6 does it before the final
> release.

  Actually I have to redact what I wrote above, as my information was based
on a much older beta. I tried the newest beta, and the +UA seems to work ok
with antialiasing after all. (There still seems to be some problems with
media against transparent background, though.)

-- 
                                                          - Warp

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