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Activity Forums Adobe After Effects Can’t modify gradient [ and can’t apply loopOut() ]

  • Can’t modify gradient [ and can’t apply loopOut() ]

    Posted by Giacomo Citti on February 10, 2013 at 1:09 pm

    I made two shapes with Illustrator, copied and pasted in a AE shape layer at different keyframe to animate them.
    I can add a gradient fill but can’t modify it.
    Another problem occur when I try to loop the animation adding “loopOut()”
    AE send this error message:
    After Effects warning: Bad method arguments: loop is not supported for custom properties
    Expression disabled.

    Using this expression loop animation but doesn’t “pingpong” it:
    if (numKeys >1 && time > key(numKeys).time){ t1 = key(1).time; t2 = key(numKeys).time; span = t2 - t1; delta = time - t2; t = delta%span; valueAtTime(t1 + t) }else value

    Here is the comp.
    5421_gradient.aep.zip

    https://www.flickr.com/photos/giacomogiacomo/

    sortire

    Giacomo Citti replied 13 years, 3 months ago 3 Members · 5 Replies
  • 5 Replies
  • Vishesh Arora

    February 10, 2013 at 1:41 pm

    giacomo

    You can’t manipulate the Path using Expressions directly.

    To modify the gradient, Click on Edit Gradient option.

    Vishesh Arora
    3D and Motion Graphics Artist
    Films Rajendra

    Blog:
    https://digieffects.wordpress.com

    2011 3D Demo Reel:
    https://www.youtube.com/watch?v=lHPgIJU_BR8

  • Giacomo Citti

    February 10, 2013 at 2:00 pm

    Usually selecting objects whit gradient fill shows a gradient control bar (see red arrow)

    When I select my shape this bar doesn’t appear. I want to rotate the gradient by 90 degrees.
    I tried with Ramp but it disabled the shape stroke.

    https://www.flickr.com/photos/giacomogiacomo/

    sortire

  • John Cuevas

    February 10, 2013 at 3:14 pm

    For your wave animation, why don’t you precomp the wave and apply time remapping to one cycle of the wave. Then you apply a loopOut(“pingpong”) expression to the time remap keyframes.

    I did it here: 5422_5421gradienttimeremap.aep.zip

    Johnny Cuevas, Editor
    Thinkck.com

    “I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work.”
    —THOMAS EDISON on inventing the light bulb.

  • John Cuevas

    February 10, 2013 at 3:22 pm

    You change the rotation of your gradient by editing the Start and End points within “Gradient Fill 1”.

    Johnny Cuevas, Editor
    Thinkck.com

    “I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work.”
    —THOMAS EDISON on inventing the light bulb.

  • Giacomo Citti

    February 10, 2013 at 3:31 pm

    Yes but I don’t understand why I can’t directly control the gradient

    https://www.flickr.com/photos/giacomogiacomo/

    sortire

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