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Can I do a pure displacement layer?

Posted: Sun, 30th Jan 2011, 6:32pm

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Azulon'sAssassin

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Ok, let's say I wanted to actually make a force choke, push, etc. visible by doing a displacement just in a straight line (or close to it.) How can I achieve this?
Posted: Sat, 5th Feb 2011, 10:12am

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Helge

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Rating: +2

I'm not exactly sure if I know what you are going for. But maybe you could use a particle or laser effect for this. I put together a quick example:



Hope this helps smile
Posted: Sat, 5th Feb 2011, 9:16pm

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Rodney Bodney

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Nicely done, Helge.

As Helge has illustrated, you need to have a layer containing something that will create the shape of the displacement. But that layer can be anything you want. A particle emitter, as in the example provided, or a Neon Light effect for other simple geometric shapes, or just an image with an embedded alpha channel.
Posted: Mon, 7th Feb 2011, 2:02am

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Azulon'sAssassin

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Oh, that makes sense! Thanks!
Posted: Tue, 8th Feb 2011, 12:14am

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spydurhank

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Here's a simple way for you to get the effect that you want without having to shoot a blank background or shoot on green screen which is what you really want to do. Either way try this.

layer 2. copy of footage.
layer 1. footage.

Step 1. Add a displacement map to layer 2.
Step 2. Apply and animate feathered masks on the areas of layer 2. that you want the displacement to be visible. You may need to invert the masks but it depends on how you apply them. The masks will offer you fine control of the displacement layer so use as many masks as you need to get the desired effect.
Step 3. Add a waves and or block waves filter to layer 2. this will add a bit more randomness. Use a blur filter to soften any hard edges if needed.
Step 4. Optional, Copy layer 2 and delete the displacement map, waves and waves block filters. Set this layer's composite mode to add or screen. Play with the brightness and contrast of this layer so that the brighter parts of the footage really stand out by making the footage darker. Increase the blur ammount. Play with the saturation and RGB channels. Add a transparency filter and lower the opacity. Add noise and grain to match your footage if needed.

Hope this helps.
Posted: Wed, 9th Feb 2011, 1:56am

Post 6 of 6

Azulon'sAssassin

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Oh, thanks!