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Activity Forums Adobe After Effects Light Wrap (with Key Correct Pro) Problem

  • Light Wrap (with Key Correct Pro) Problem

    Posted by Alex Kuzelicki on July 31, 2007 at 11:49 am

    Hi,

    Just in case someone has an answer:

    I recently bought Key Correct Pro mainly to quickly and easily add Light Wraps to my keyed footage.

    The only problem is that if I resize the background (that it’s using to generate the light wrap) it won’t apply the resize eg. if the background is smaller than the keyed footage it will only create a light wrap in the dimensions of that original footage, even after I resize it.

    I figured that maybe I should just resize the BG and put it in a Precomp, then use that Precomp as the source background… but somehow Key Correct Pro still ‘sees’ the BG as being small.

    Anyone have a solution… that doesn’t involve rendering out new ‘resized’ versions of every background I want to use with a light wrap?

    Thanks in advance,

    ALEX

    Kevin Camp replied 19 years, 1 month ago 2 Members · 4 Replies
  • 4 Replies
  • Kevin Camp

    July 31, 2007 at 3:07 pm

    when you pre-comped the bg, did you choose to move all attributes to the new comp? your best shot is to have the scaling attribute applied to the bg within the pre-comp, rather than scaling the pre-comp within the main comp.

    there may also be a setting within the effect that is set to automaticly scale the bg to fill the frame (many effect have a similar function if they encounter footage that is not the same size). if you can disable that parameter, then it should work.

    those are the only two options i can think of…

  • Alex Kuzelicki

    July 31, 2007 at 6:31 pm

    Hi moldyboot,

    Thanks for the ideas.

    With the Precomp I did Move All Attributes into it, and I did scale the BG within the Precomp itself.

    Also, the Light Wrap effect doesn’t scale the BG at all – it just basically sticks to whatever the original background size was.

    As you can imagine, this isn’t very useful as (if the BG is originally smaller than the FG) your Light Wraps only cover a portion of the foreground footage.

    I do have a workaround: which is to render out all my backgrounds at their new dimensions… but that just seems like a whole lot of extra work for a plug-in that I bought because it was a ‘one-click wonder’.

    There must be something I’m missing here?

    Hope there’s an answer out there in Cow-land.

    Thanks again,

    ALEX

  • Alex Kuzelicki

    August 1, 2007 at 3:51 pm

    Hey moldyboot,

    You know what?

    You were right!

    It was just Moving All Attributes into a Precomp.

    For some reason, every time I Precomped I ‘thought’ I was doing this but I was Leaving All Attributes with the source layer.

    I can’t explain my brain-lapse here – I did this test about three times and each time I ‘saw’ the Attributes as moved into the Precomp… but obviously they weren’t.

    Must be going senile.

    So thanks, and sorry, at the same time.

    Much appreciated,

    ALEX

    PS – I only discovered this by accident, when I noticed that the Scale of the Precomp was over 100%. It bugged me so I thought “I’ll just do ONE MORE test” and… real problem discovered: human error!

  • Kevin Camp

    August 6, 2007 at 9:16 pm

    hey, no apologies needed… i think we’ve all had our brains misinterpret what we thought we were doing as what we were actually doing (happens to me all the time)

    Kevin Camp
    Designer – KCPQ, KMYQ & KRCW

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