Channel Additions

iaian7 » tutorials » aftereffects   John Einselen, 14.06.07

Basic positional modifications, especially useful for effect center points that need to be attached to a null by a specified offset.

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Channel Multiply

iaian7 » tutorials » aftereffects   John Einselen, 15.06.07

Multiply a layer’s channels by a specified amount. It’s ridiculously simple, but invaluable when dealing with 3D tracking camera data, where scaling the global animation can really help fix After Effects insistence on importing meters as pixels.

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Fading on Distance

iaian7 » tutorials » aftereffects   John Einselen, 15.06.07

Fades layers based on distance from the camera, allowing you to fly through compositions without layer snapping as the camera passes through. Especially effective for flying through layers of clouds.

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Multiplaning

iaian7 » tutorials » aftereffects   John Einselen, 14.06.07

Use a slider or null to control a 2D multiplaning effect. No 3D, no cameras, no fuss.

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Null Averaging

iaian7 » tutorials » aftereffects   John Einselen, 14.06.07

Tracking in After Effects can often result in data too jittery to be of any use. If you’re able to get multiple tracks, however, it’s possible to average them into a single, smoother, track. Even if the single tracks are decent, averaging will help increase the accuracy of the data.

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