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Y Position in Graph Editor shows negative value || Repeated Explosion

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Robin Zweers
Y Position in Graph Editor shows negative value || Repeated Explosion
on Dec 12, 2019 at 12:55:24 pm

Hey guys,

I fairly new to Adobe After Effects and I'm trying to understand the value graph. I'm encountering a difficulty and I can't seem to find an answer for it on Google, That's why I'm asking here.

So I'm trying to make a kind of explosion. A bit like




And I'm digging into the graph editor for a clearer view of the animation movement.



But what does it mean if your y position value is in the negative numbers?


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Walter Soyka
Re: Y Position in Graph Editor shows negative value || Repeated Explosion
on Dec 12, 2019 at 5:39:43 pm

By default, shapes start at a position of [0,0] inside the shape layer. This point in layer space corresponds with the center of your comp ([960, 540] in comp space for an HD composition).

A negative y-value just means that the position point is above its origin in the frame.

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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Robin Zweers
Re: Y Position in Graph Editor shows negative value || Repeated Explosion
on Dec 12, 2019 at 6:22:57 pm

Thanks! I was making myself crazy. I thought: "Well the selected triangle is above the center point in my screen, so it must have a positive y-value''. I didn't come to the idea that it is just corresponding with the center point. And that that is the reason why it's negative.


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