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In lugnet.cad, Travis Cobbs wrote:
> In lugnet.cad, Gabriel McGrath wrote:
> > As you can see, I am using bright pink (255,0,255) as my transparency
> > colour.
> > (I set it as 'background' in LP3Add-on)
> >
> > The only problem is, when I use it in the game,
> > there is a slight 'pink halo' around the figure,
> > as there are slightly pink anti-aliased(?) bits around the edges.
>
> It is the antialiasing that is causing this problem. I think there are only two
> ways around this. Either turn off antialiasing, or switch from chroma-key
> compositing to transparency-based compositing and make the background
> transparent. You should be able to get POV-Ray to generate a PNG file with a
> transparent background. That file can then be composited over anything you
> want, and it will even antialias nicely into the background you paste it over.
> That would of course require your game to support PNG files with alpha instead
> of using chroma-key.
>
> Oh, and I don't know how to make POV-Ray generate a transparent background, but
> I'm almost positive that it's possible.
* set +FN in the toolbar command line to get a PNG file
* set +UA in the toolbar command line to turn on alpha channeling for a
transparent background
* read the "5.2.2.3 File Output Options" chapter in povray's help for a deeper
insight
w.
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