[Avid-L2] Re: Flipping the fields, that old chestnut

You could build one long effect and apply it to the track above the clip, that's how I usually apply Scratch Removal. The long effect could then be chopped to the proper length, not trimmed and that would not move the keyframes. This should maintain the keyframes in the proper place.

--- In Avid-L2@yahoogroups.com, Paul Shields <PaulShieldsAvidL@...> wrote:
>
> I think I worked out why it failed.
>
> If we assume the clip is made up of the following field sequence:
>
> 2 1 4 3 6 5 8 7 etc
>
> then all my technique does is move them all up temporally by 1 50th of a second so the new clip is:
>
> 1 4 3 6 5 8 7 etc
>
> which has the fields on the correct picture lines but still jumbled.
>
> What is required is an effect with individual keyframes on each field offsetting 1 field forwards then backwards alternately. I could make such an effect but then, unless every clip is the same length, it couldn't be applied to other clips as the keyframes would be kindly stretched by Avidman.
>
> I do need to test this tomorrow when I'm in front of the Symphony - the one gotcha might be if the field set to look backwards will copy the amended field (and in effect copy itself!). I can't remember how the effect works in that case.
>
> If that does work - if Frank's reading - surely a custom Scratch Removal effect could be made that does this with the keyframes locked? Add that to the effects pallette and call it "field reverse" and we get our dominance fix (albeit a renderable one) :)
>

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