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| Hi, It's difficult to offer advice without seeing exactly what you're trying to do, but I think that I would suggest you consider using time-remapping as a tool to select which image you want to use in each comp. Rather than have a preset which you drop onto a layer, I would put all of your source layers into one composition. If they're stills - great, sequence them with 1 second durations. If they're video, then sequence them with even spacings (the duration of your longest clip, rounded up to the nearest second). Build your effects using this pre-comp as your main layer, and use time-remapping to control which still or video you can see. You can use the layer as many times as you need to, and link the time-remapping value of each instance to a master slider. This way, instead of having 3 presets, you will instead create 3 template compositions. All you need to do is duplicate the one that you want and change the slider value so it's working on a different source image. If you want to add more images or video, just add them to the end of your sequence in the pre-comp that contains everything. Hope this makes sense, -Chris On 30/08/2012, at 6:20 AM, Teddy Gage wrote: Hello, I have a project which is basically a glorified power point presentation. I say node-like because I want one effect instance to change multiple layers with the effect, like in a node based compositor. I have hundreds of images that come onscreen more or less one-by-one, many of which will use pretty basic transitions. My desire is to build a few nice "stock transitions" (like 3) using expressions, and anywhere I drop these on a layer, its properties can be controlled by a single set of sliders or keyframes. For example, I have CC page turn on many of them, and I want to animate the fold position moving in. I want to be able to drop this effect, or effect + expression or preset, onto any layer, and have it automatically begin the transition from the layer in-point. Additionally, every instance of the effect in the project is controlled by a master slider or master set of keyframes in case the client wants to tweak the timing. This way it will ripple through my 100+ layers instead of having to manually change every keyframe. I have some basic expression knowledge, but every time I think I'm close to figuring this out it eludes me. This may be way more complicated than I'm thinking, or way less. Thanks, |
