[Cin] Blur plugin: Alpha determines radius

[Andrew Randrianasulu]

On Sunday, December 26, 2021, Andrea paz <gamberucci.andrea at gmail.com>
wrote:

> I also think it is a bug. If in Phyllis' example we put a track
> underneath with, for example, a colored background, activating the
> "Alpha determines radius" option makes that track disappear in the
> Compositor leaving a black background. It is as if this option took
> the black of the first track (which is 100% transparency) and
> transformed it into the color black (0, 0, 0), losing the transparency
> data and hiding the underlying colored track. The same is achieved
> using a gradient.
>
> Maybe the best thing is to hide the option (without needing to remove
> it from the source code) so that it is not available.
>

may be also put this case in bug database so we will remember about it...
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