[Cin] Blur plugin: Alpha determines radius

Andrew Randrianasulu randrianasulu at gmail.com
Sat Dec 25 15:51:51 CET 2021

On Friday, December 24, 2021, Phyllis Smith via Cin <
cin at lists.cinelerra-gg.org> wrote:

> https://streamable.com/0fonz0                     for the demo.
> Other notes:
> Works in HV 4.6.1 with similar, but not exact results, so that is where it
> came from (CinGG was based on the original HV and CV mods were added later).
> Not in CV code that I checked.
> Maybe the manual can be updated about this later if it is understood
> better.

is there way to make alpha gradient? from name of option it seems it must
blur more (by radius) with more transparent areas...

may be our BT 559 (remaining issue) plays role in this strange observed

> On Fri, Dec 24, 2021 at 1:22 AM Igor BEGHETTO via Cin <
> cin at lists.cinelerra-gg.org> wrote:
>> Phyllis wrote:
>> > OK, I finally got a case that shows it does something and here is how
>> > to do that (I can provide a video, if necessary).
>> > Step 1 - start Cinelarra and just wipe an area to drag the "Title"
>> > plugin to it and type in some worlds to see in Compositor.
>> > Step 2 - now drag the "Blur" plugin to that same area and bring up the
>> > menu; click the "Reset" button.  Look in the Compositor to see what it
>> > looks like and then Check the "Alpha determines radius" box and you
>> > can clearly see a difference.
>> Thanks Phyllis for testing.
>> I tried to replicate your steps but I don't see any substantial
>> differences. Maybe it depends by the font and size used in the Title
>> effect?
>> If You  have some time can you post a screencast, please?
>> Andrew wrote:
>> > fire email at Adam, may be he remeber?
>> I hope He can reply. Thanks!
>> IgorBeg
>> --
>> Cin mailing list
>> Cin at lists.cinelerra-gg.org
>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
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