Greg Neumayer
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Greg Neumayer
August 28, 2009 at 10:30 pm in reply to: Changing individual position values in a series of keyframesYou could link the x or y to another value such as an expression slider. I do this sometimes to attenuate the overall effect of my keyframes. For example, I had a flickering light that I decided I wanted to fade up, so I linked that light level (which contained many keyframes) to an expression slider, and keyframed that slider with a start value end value keyframe.
Antifreeze Design
https://www.antifreezedesign.com -
Low res looked pretty good. I saw a couple stutters, but figured it was playback related. Try a lower res file to see if that was it. Beyond that, make sure you’re not accidentally incorporating duplicate frames by doing something like working in 24fps and rendering to 30fps.
Antifreeze Design
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Ah, yes. That relates to the type of radio waves you’re making. If you turn on your wave type to “mask”, you can select it from your masks that are drawn on that same solid. Haven’t used it so I can’t really tell you how it’d be useful. All I can tell you is that I haven’t needed it yet.
Antifreeze Design
https://www.antifreezedesign.com -
Not sure I understand “get to the mask feature within…” but remember what I said earlier, you may need to precomp the radio waves layer within it’s own comp and apply the mask to the comp. AE is all about nested compositions. Think of each comp as a folder of elements. You can often apply effects and masks to each layer within a comp”folder”, or you can apply effects and masks to the entire folder. Try that.
Antifreeze Design
https://www.antifreezedesign.com -
Masks are always applied to the outside of a layer. Think of your radio waves in their solid as simply an ingredient that you move around your stage. It may have a centerpoint locator, but you don’t really need it if you just move your solid that contains the effect to the place that you want it.
To avoid more frustration, this might be a good place for you to back up and dig up some tutorials on the basics of After Effects and how it works with layers/effects. Even if you get it to “kinda” work, you’ll likely be disappointed/limited by your final result because you don’t yet know what’s available to you as part of AE’s basic workflow.
Antifreeze Design
https://www.antifreezedesign.com -
Maybe that’s where we’re having a disconnect. The radio waves effect has built in controls for how often the waves emanate, their shape, their color, their thickness, their outward speed, their fade/decay… They start coming at the start of your layer. If you need to time their movement to say, an audio track, you need to adjust their speed and frequency. Changing those values with timely placed keyframes would easily create groups of pulsing waves. Play around with it for awhile and see if it does the trick.
Now, if you want to have this done automatically…. yeah, you can do it with expressions. You’ll need to link those speed and frequency values to the amplitude of your audio track. I can’t give you specific code without doing it myself, but that’s where I’d start.
Antifreeze Design
https://www.antifreezedesign.com -
Well, you could create a layer with text on it, then use a bulge effect to create it’s bulge. Behind/under that, you could have a composition of radio waves that has been masked to only be visible on the sides.
Would that accomplish it?
Antifreeze Design
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I’m not sure what you mean by bulge and wave in this context, but it sounds achievable. Tell me what you want to see, and maybe I can give you a mini-tute. Don’t describe how you would try to do it. Describe the effect like my mother trying to tell me about something she saw.
Antifreeze Design
https://www.antifreezedesign.com -
Ah, yeah, try setting yourself up with some nice emanating radio waves (create a solid–which is needed as a base layer for the effect generation, then apply the radio waves effect), then use your pen tool or shapes to draw masks to only reveal a quarter of your circle. You might want to pre-comp your radio waves before doing additional transformations or effects. Often, effects that are generated from scratch and use a solid as a base can’t have additional effects applied to them, since those additional effects aren’t taking into consideration your previous effect generator. For example, I used the pen tool to add a mask to my radio waves. It didn’t do anything. But if you precompose the radio waves solid into it’s own composition, then apply a mask to that precomp (in a new composition), it will mask as expected.
Antifreeze Design
https://www.antifreezedesign.com -
Sorry, I meant “radio waves”.
I’m afraid you’ll need to describe more about what you’re trying to do for us to be very helpful. I can’t conceptualize what you want to achieve from your description.Antifreeze Design
https://www.antifreezedesign.com