How to change rotation speed in Premiere Elements 15

Forum|Forum|8 years ago
July 11, 2017
2 replies
3432 views

I am using the rotation effect but I do not understand the values (things like "2x180°") that I should put for the various keyframes in order to gradually slow down the rotation of the image. Any hint ?

Thanks !

This topic has been closed for replies.

S

Steve Grisetti

Legend

What is your level of expertise creating keyframes?

I've created a tutorial on setting up keyframe interpolation using Bezier curves. It's in the subscription tutorials on my web site.

*** Advanced Keyframing***

You may be able to find some free tutorials on keyframe interpolation for Premiere Pro on YouTube. The principle is very similar.

Peru Bob

Community Expert

2X180 means 360 degrees or one full rotation. If you keep the distance between keyframes the same and increase the number of degrees, it will spin faster. Decreasing the number of degrees while keeping the keyframe distance the same will slow the rotation.

Keep the number degrees the same and move the keyframes closer will make it spin faster. Keep the number degrees the same and move the keyframes farther away will make it spin slower.

A

Alain_GeorgesAuthor

Participant

Thank you for taking the time to answer. Unfortunately what you say seems incorrect. The 2x180 notation actually means "2 rounds plus 180°", i.e. 440°. This is a silly notation by Adobe engineers btw, but from what I see that is the meaning. Also when you say "increase the number of degrees" I suppose you actually mean "increase the number of degrees that YOU ADD on top of previous added amount", which is different. For instance, if you set frame N to 2x180 (900°), then frame N+1 to 3x180 (1260°), then frame N+2 to 4x180 (1620°), you do increase the number of degrees on each frame, but the speed will remain constant, not faster as you said.

But your answer did help me to figure out this VERY un-intuitive not user-friendly way of defining rotation speed (Adobe have this "particular" way of designing most of their products...).

In particular you help me understand that the amount set for each frame is defined relative to the absolute value of the previous frame.

Again it makes it very painful to achieve what I am trying to do (gradually slowing down the rotation), while a simple curve like for scaling would have done the job. But at least I understand what needs to be done.

So thanks again.

S

Steve Grisetti

Legend

You CAN interpolate your keyframes so that the motion progressively slows down from one keyframe to the other.

Ease In is the preset interpolation -- but you can also use a Bezier curve to set the interpolation, as you've suggested.

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