Am 20.11.2010 03:40, schrieb MessyBlob:

>> There is no sane way for a general fix; even a full redesign of
>> POV-Ray's internal maths to operate on non-premultiplied values would
>> not be a viable solution, as this would in turn cause problems when
>> working with emissive media: Non-premultiplied values can't represent
>> light to be /added/ to a fully transparent background.
>
> Would an RGB triplet for Alpha solve this, at least for internal working, and as
> an extension, use a file format or compositing/post-processing method that
> supports this?
> i.e. each pixel has:
> - source: (R, G, B)
> - alpha: (R, G, B)

No - you'd still get the same type of problems at full transparency.

Post a reply to this message