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Time Remapping a percomp values not representing frames.

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Michael Gleeson
Time Remapping a percomp values not representing frames.
on Aug 14, 2015 at 1:30:38 pm

Hi Guys
Long time viewer first time poster. First I have visited these forums many times and would like to post a quick and general thank you to all contributors as I have found many many solutions to my problems over the years.

To my problem:
A quick version of my project: I am attempting to recreate an 90's computer game with real life images.

I have a precomp of still images of a person posing in various positions, standing -> punching-> standing. called Punch.
Each images is 1 frame long. See here.

I have nested this comp and applied time remapping so I can move between frames simply by keyframing the time remapping effect.
This is similar to a lip sync type method I have seen in various places around the web.

MY problem.
I go through the process of keying and everything appears fine, but when I go back after keyframing several values. The images no longer match up to the values.

Its as if the interpretation of the value has been changed. What happens is, I go through the keyframes and line them up as required. Then I go back and forth refining and then it's all gone wrong.
The values are the same but they visual does not represent the the frame from the precomp.
To say it another way. I have time Remap value set to 2 and the frame shown is not the frame 2 from the precomp. In fact I have two key values set to 2. and the frame shown are completely different.

Tl;dr the time remap for a precomp isn't working correctly it isn't showing the corresponding frames. It will even change what frames it shows for each value when a another keyframe is changed.

Apologies for the long explanation I have no clue where to start with this one.

Thanks for any help.

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Dave LaRonde
Re: Time Remapping a percomp values not representing frames.
on Aug 14, 2015 at 5:04:00 pm

This "punch" comp is just 5 frames long, correct?
And the frame RATES of both the punch comp and the main comp match, correct?

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA

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Peter Diefenthaler
Re: Time Remapping a percomp values not representing frames.
on Aug 14, 2015 at 7:09:47 pm

I show an efficient way to do this in a previous post:

Peter Diefenthaler

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Michael Gleeson
Re: Time Remapping a percomp values not representing frames.
on Aug 25, 2015 at 8:09:34 pm

Thats exactly the method I am trying to replicate.

My problem is the values I input are not representing the the pre comp.
The two comps are the same frame rate 24fps.

I have used your slider and frames to time and it kind of fixes it.
Your method showed up errors when I tried to use whole numbers as keyframes. I.e 2.00 would be blank I cant understand where it got a blank frame from.
but 2.20 would show the keyframe I wanted.

Thanks for your help I will try to continue as is but it seems to be a problem.
I will try to post a gif like yours to show my problem if it happens again.

Thanks for all the support
Creative Cow is a great resources.

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