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trying to create an effect from a slideshow
Hey folks:
I am looking to recreate an effect I saw on Iron Man used in a slideshow, but am having a bit of a toruble with manipulating card wipe or card dance to replicate the effect. Any suggestions or assistance welcome. I have included a screenshot of the desired effect for conversations sake; just having trouble making card wipe or card dance to replicate the ripple effect.
Screenshot: https://www.northstar-ceramicbearings.com/movies/wipe.jpg
I am only including the screenshot for conversation, all rights for everything thats not my own work belong to them, of course.
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5 Replies
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I’m not in front of my AE machine at the moment, but I seem to remember it being possible to drive things in card wipe and card dance by an image map (i.e. a precomp) If you made a precomp that had a black and white radial gradient, you should be able to drive the flip that way.
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yep, you’ll use a gradient map to drive card wipe (or card dance, but that effect in the image was card wipe)…
create a comp sized solid and add the ramp effect. set the ramp shape to ‘radial’, place the start ramp point in the center of the comp and the end ramp point to one of the corners. then pre-comp that solid (move all attributes) or bring that comp into a new comp.
add the layers that you want to do the card wipe transition to, add card wipe to one of them and hide the other. in card wipe set the back layer to the hidden layer, set flip order to ‘gradient’ and set the gradient layer to the ramp comp.
now as you scrub the transition completion values you should get something like what you see in that still image.
Kevin Camp
Senior Designer
KCPQ, KMYQ & KRCW -
Precomping the ramps or other grayscale images is crucial and it’s a step most new users of compound effects do not understand. The target effect sees the referenced gradient layer before any effects are applied to it so if you have a solid and apply Ramp the compound effect will see nothing till it’s been prepcomped. And the compound effect sees the layer as a whole frame.
You can drive Card Dance with grayscale movies and your gradient layer has four channels which can each hold a separate grayscale image. This is a stupidly powerful tool.
bogiesan
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cool;
I have something pretty close, just wondering how to accomplish the ripple effect now; it almost seems like the tiles move backward before they flip in the original; (they get darker) whereas they just flip on the stuff I am working with now. I also am seeing a ripple effect; Is it possible to use an animated map to handle this revealer? The problem I am running into is that using a gradient map in a precomp works, just not well.
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card wipe can’t adjust the position of the cards (well, it can with the jitter settings, but that’s not what you’re after). card dance is card wipe’s bigger brother, and will do what you are looking for, but it will be more difficult.
you’ll still be creating the gradient layer in another comp, and using that comp to drive the animation the animation, but card dance will allow you to use 2 gradient layers and allow you to choose from a variety of channels from each gradient to drive various card properties (position, rotation and scale for each axis).
for starters, to get a simple ripple gradient map try wave world and set view from wireframe to height map. this will give you a good grayscale pond ripple to start with for the cards’ positional values. you may still be able to use the simple radial ramp for the flipping. then it’s a matter of tweaking, and there are a lot of settings to tweak… not to mention modifying/animating the gradient maps too.
Kevin Camp
Senior Designer
KCPQ, KMYQ & KRCW
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