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Forums Adobe After Effects Scalling rotated solid – rendering problem/bug

  • Scalling rotated solid – rendering problem/bug

  • Cassius Marques

    May 29, 2015 at 6:23 pm

    There is something happening here thats bugging me. Don’t remember ever seeing this before, which is odd since its something pretty commom/simple.

    I’m scalling a rotated solid just on the Y axis. While at very low values (below 1%) I get these crazy shattered lines.

    Am I going crazy/doing something stupid?…or thats a pretty strange render issue?

    Here’s the same project: 8876_test.aep.zip

  • Cassius Marques

    May 29, 2015 at 6:33 pm

    You’re looking at a 1080p solid on a 1080p composition viewed at 50%…this solid is rotated at -135º, being scalled on the Y from 0% to 100%.

  • Cassius Marques

    May 29, 2015 at 8:07 pm

    [Dave LaRonde] “Trying to get a grip on the problem, and the screen shot isn’t telling people much. Because right now, it looks like a couple of curved, 1-pixel wide lines that are badly aliased.”

    That’s exactly my problem Dave, If you scale a single 1080p solid in one axis to 1%. It should look like ONE line right? Do you see the red bounding box thats outside the comp canvas? Thats what the blue should be like to.

    [Dave LaRonde] “Is it a rectangular, comp-sized solid?”

    1920×1080 square pixel solid, as it is the comp.

    [Dave LaRonde] “At what angles on x & y? Are you using motion blur? When during the move does this happen?”

    Not sure how to answer that, angle is one dimension. Theres no position change nor motion blur is involved.

    [Dave LaRonde] “Does it just appear & disappear?”

    Only when scale is below 1%. It flickers and theres a bunch of lines appearing. After that it renders as it should.

  • Brian Charles

    May 30, 2015 at 3:54 pm

    It must be a bug. Simply making the layer 3D on your sample file solves the problem.

    Interesting it doesn’t appear to happen in CS6….

    8877_rotationcs6.aep.zip

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