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Fast frames in graph editor

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Polina Korneeva
Fast frames in graph editor
on Dec 1, 2016 at 2:35:39 am

Hello all. My issue is as follows:

I have 3 images (as separate layers) sliding down one after another within 20 frames (really fast). I linked the images to an adjustment layer where I have the position keyframes, but turns out it's still difficult to adjust the timing right to make them slide down smooth enough (I'm doing this in a graph editor) . For example, the 1st image and the 3rd image both have good timing and acceleration, but the one in-between just doesn't slide the same way I want it to be (is the time gap too small?); so the 1st image interferes with the 2nd one (I get after-image) even though you can see it slide down if you watch really closely. I remember I saw some videos with really fast frame rates and they worked really well (but I don't have the links anymore). I'd appreaciate any advice, perhaps resources even, tutorials, blogs etc.


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Walter Soyka
Re: Fast frames in graph editor
on Dec 1, 2016 at 3:50:06 am

Can you share a video or project file, so we can see what you can see? It's hard to visualize your exact problem from this description.

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]


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Polina Korneeva
Re: Fast frames in graph editor
on Dec 1, 2016 at 7:06:33 pm

I'm new to Creative Cow so I tried uploading a file but it didn't show up under this thread. So here the google drive link - would this work?

https://drive.google.com/open?id=0B4BA1JSU3YrtYlhibjY0YjlheEk


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Roei Tzoref
Re: Fast frames in graph editor
on Dec 1, 2016 at 9:19:25 pm

[Polina Korneeva] " I linked the images to an adjustment layer where I have the position keyframes"

you linked them to a layer via parenting but this layer being an adjustment layer serves no use to you. next time use a null layer - it's a layer that does not render and it's only purpose is to be a parent to other layers. adjustment layers are for applying an "effect" to affect the composite of all the layers underneath. a null is for parenting layers to it to control their transformation properties all at once.

[Polina Korneeva] "but turns out it's still difficult to adjust the timing right to make them slide down smooth enough"

you should leave the graph editor for later if you want. first set the initial animation where you want it to be. if you want the movement to be faster then set the keyframes close together and slower vice versa. later when you want to make different speeds between the two key frames (for example very fast at first and very slow towards the end) you can do that by adjusting the handles in the graph editor. with the speed graph (the default for position) the taller it gets - the more speed it moves.

Roei Tzoref
After Effects Artist & Instructor
♫ Ae Blues Tutorials


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Polina Korneeva
Re: Fast frames in graph editor
on Dec 3, 2016 at 10:52:02 pm

Ok, thanks I get it!


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