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Activity Forums Adobe After Effects Auto-trace limitation?

  • Auto-trace limitation?

    Posted by David Owen on February 2, 2007 at 11:17 pm

    Thanks to the gurus of AE for highlighting the auto-trace feature… it works beautifully, except… my clip is about 1:23 long and it stops short of completion (about halfway). Is this a limitation of the feature? Is there a setting I’m overlooking?

    It’s running on an XP Pro workstation with 4Gig of RAM (yeah, as if that’s really recognized).

    If it can be made to work properly, I’ll be able to key an interview that wasn’t even shot in front of a green screen… the client may actually explode!

    Sitting quietly at my computer, jabbing at the refresh key… anyone? … anyone?

    David Owen replied 19 years, 3 months ago 4 Members · 6 Replies
  • 6 Replies
  • Steve Roberts

    February 2, 2007 at 11:20 pm

    Can you check your RAM usage in Task Manager?

  • David Owen

    February 2, 2007 at 11:50 pm

    Steve,

    I re-ran the auto-trace, with Task Manager running on top… never dropped below 1.4G available memory.

    By the way, I made an error in my initial post… I had trimmed the clip down to the actual segment to be used. It is now a 23 second clip that auto-trace runs out to about 13 seconds and stops. It creates the layer and is fully usable, but fails to analyze the single clip past that point.

    Any other ideas?

    – David

  • Mike Clasby

    February 3, 2007 at 2:33 am

    Just a shot, but is the “Work Area End” set at 143 seconds? If “Work Area” is checked in auto trace, then it would stop there. “End” and “N” will set the end of the work area at the end of the comp.

    Hey, is the comp as long as the clip?

    Hope it something simple like this.

  • Mylenium

    February 3, 2007 at 6:46 pm

    In case the other’s suggestions don’t apply, check the number of masks that are being created. There may be simply too much and the aoto-trace cannot add any further masks.

    Mylenium

    [Pour Myl

  • David Owen

    February 4, 2007 at 9:20 pm

    I double checked this… nope. Everything was set properly. For what it’s worth, I wish it WERE something that simple. Keep thinking…

  • David Owen

    February 4, 2007 at 9:24 pm

    Interesting thought. I checked the layer and found only 2 masks derived. BUT, there are plenty of nodes in each mask.

    Also, I tried splitting the source layer where the auto trace had stopped. Using the 2nd half of the original layer (now renamed “part b”), I tried another autotrace… the result was a single frame layer.

    This is just plain wierd. Has ANYBODY successfully done an auto-trace beyond 12 seconds?

    – David

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