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  • Special Effects

    Posted by Jason Kennedy on September 16, 2008 at 9:58 pm

    Hello everyone .

    Problem: I am trying to create a scene where one character is sitting in a car in the passenger seat in one outfit and in the driver seat in another outfit. I tried shooting it and then lay it on top of each other in FCP but I can’t seem to figure out how to crop footage to have both clips work without clipping one another.

    Any suggestions would be greatly appreciated.

    Jason

    Walter Biscardi replied 17 years, 10 months ago 5 Members · 7 Replies
  • 7 Replies
  • Bouncing Account needs new email address

    September 16, 2008 at 10:06 pm

    Lay the second scene clip on the video track above the first one.

    Use Motion Tab effects to crop the top clip down the center.

  • Stephan Walfridsson

    September 16, 2008 at 10:08 pm

    Use the Eight point garbage matte filter (under video filters/mattes) to create a more complex crop. If that precison isn’t enough you’ll need to use After Effects or something similar to rotoscope/key one of your characters.

    Stephan

  • Jason Kennedy

    September 16, 2008 at 10:52 pm

    Thank you Stephan for the advice, I’ll give it a try. I have AE 8 but am still learning it.

  • Jason Kennedy

    September 16, 2008 at 10:54 pm

    Hey Matte,

    Thanks for the input. I tried that way but it creates a very distinct split between my clips. I appreciate it

  • Zane Barker

    September 17, 2008 at 7:11 am

    [Jason Kennedy] “Thanks for the input. I tried that way but it creates a very distinct split between my clips. I appreciate it”

    [Stephan Walfridsson] “Use the Eight point garbage matte filter (under video filters/mattes) to create a more complex crop. If that precison isn’t enough you’ll need to use After Effects or something similar to rotoscope/key one of your characters. “

    Im betting it is more a issue of the camera not lining up properly, the camera MUST be in the EXACT same position each time. ANY slight difference will be vary noticeable.

    Inside a car with out a proper camera mount it would be extremely difficult to get it perfect.

    There are no “technical solutions” to your “artistic problems”.
    Don’t let technology get in the way of your creativity!

  • Jason Kennedy

    September 17, 2008 at 9:16 am

    Hey Zane,

    I realize that spacing is crucial in order to do the trick. And I agree that the camera must be in the exact same position for both shots. I plan on setting my camera outside of the car on a tripod looking through the passenger front window seat. The problem is that my character in the passenger will be moving around to the point that he will “lose an arm” whenever he crosses the cropped clip.

    I have a couple of days to mess around before the shoot begins, will keep at it.

    Thank you for the words of encouragement

    Jason

  • Walter Biscardi

    September 17, 2008 at 9:19 am

    This effect will be best achieved in After Effects using rotoscoping techniques. I’ve done this very effect multiple times for Good Eats with Alton and his “twin brother” BA. If done correctly, there is no need for anything other than a simply mask or split screen with a soft edge. If one character crosses into another’s space, then you need AE’s masking abilities.

    Walter Biscardi, Jr.
    Biscardi Creative Media
    HD and SD Production for Broadcast and Independent Productions.

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