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stbenge <stbenge [at] hotmail com> wrote:
> Hi,
>
> Can anyone tell me if there is a way to achieve additive transparency
> for images? I'd like to update my 'luminous bloom' file, since the
> current version tends to bleed dark colors as well as light ones.
>
> A media box works, but it is much too slow. I wish there was an
> 'addition' pigment to complement the average pigment.
>
> Sam
Perhaps converting the image_map to a function can help. This is a techinique
I've used quite a bit for manipulating iamge_maps that you may be able to
modify to get what you want. See my recent posting under "bumps, squared" in
newusers:
http://news.povray.org/povray.newusers/message/%3Cweb.475c9ab7fb428a642ae8612c0%40news.povray.org%3E/#%3Cweb.475c9ab7fb
428a642ae8612c0%40news.povray.org%3E
You can always weight the colour and/or functions to be greater than 1.
-tgq
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