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Growing strokes effect - seems basic

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Juli SandovalGrowing strokes effect - seems basic
by on Aug 9, 2016 at 9:05:08 pm

Hello, i've been a lot of time trying to get an effect that makes strokes alpha channel strokes to grow, like the one in iggy azalea's video (sorry could'nt find a better refrerence.)







seems pretty basic but i just can't find it
thanks a lot :)


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Sean DunnRe: Growing strokes effect - seems basic
by on Aug 9, 2016 at 9:22:32 pm

Videocopilot did a similar tutorial,

http://www.videocopilot.net/tutorials/stroke_fx/

Does this help/what you were thinking?


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Juli SandovalRe: Growing strokes effect - seems basic
by on Aug 10, 2016 at 12:38:34 am

sort off, not exactly what i was thinking, but i can make it with a thousand layers that way :)


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Kevin CampRe: Growing strokes effect - seems basic
by on Aug 10, 2016 at 8:49:16 pm
Last Edited By Kevin Camp on Aug 10, 2016 at 8:54:33 pm

you might be able to get close with vegas (the effect).

add it to a keyed layer, set the stroke to image contours, channel to 'alpha', blending mode to 'under' and set the various opacities and hardness to 1. then set the width and color as needed.

duplicate vegas and set the color for that instance, and repeat that process as needed. as it expands out, you may need to adjust the segments.

if you just had two colors for the 'strokes', then you could just animate the width of the first vegas effect, and then add a loopOut() expression and I think it would work. with more than that, you'll need to explore how to animate it.


---- edit ---

i had mentioned adjusting the segments to try and fix an issue with the 'hardness' of the stroke, but that doesn't do it.. you might have to use a levels or curves effect to tighten up the alpha in between the vegas effects.

Kevin Camp
Art Director
KCPQ, KZJO & KRCW


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