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Camera Tracking, Null not tracking

Community Beginner ,
Nov 13, 2018 Nov 13, 2018

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Hi, I need some help here. I'm not so sure what I'm doing wrong.

Here are my steps:

1) Click on Camera tracker, waited for the footage to be tracked.

2) Selected 3 points on a surface, created a null and camera.

3) Placed a Polaroid picture in timeline as another layer, made it 3D

However, the Polaroid does not track.

4) Removed Polaroid picture from timeline.

5) Clicked on Null layer in the timeline and realised that the null was not tracking but stationary throughout the clip.

I've tried pre-composing the footage and it still does not work. Most of the tracking points looks good and fixed on my footage.

Untitled.pngUntitled2.pngUntitled3.png

My footage is the opening of a door revealing a baby crib and a bunch of stuffed toys in the room. There are no tracking points on the door. Please advise!

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correct answers 1 Correct answer

Community Beginner , Nov 13, 2018 Nov 13, 2018

Okay nevermind I managed to figure out the issue. For those of you who have the same issue of not being able to track their null and additional layers to the camera tracking, DO NOT do this via dynamic link. Unfortunately you have to export your individual clips and open up a fresh window of AE and it worked.

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Community Beginner ,
Nov 13, 2018 Nov 13, 2018

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Here is a clip of the original footage,

Also, I'm working on this footage through Pr's Dynamic link. Not sure if that affects anything.

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Guide ,
Nov 13, 2018 Nov 13, 2018

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Have you linked the polaroid pic to the null?

By this I mean have you parented the polaroid with the null being set as parent?

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Community Beginner ,
Nov 13, 2018 Nov 13, 2018

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Yes I've tried that but the polaroid was still fixed on my screen.

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Community Beginner ,
Nov 13, 2018 Nov 13, 2018

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Okay nevermind I managed to figure out the issue. For those of you who have the same issue of not being able to track their null and additional layers to the camera tracking, DO NOT do this via dynamic link. Unfortunately you have to export your individual clips and open up a fresh window of AE and it worked.

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New Here ,
Aug 15, 2023 Aug 15, 2023

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I found this to be an issue when using a Dynamic Link along with changed attributes within Premier e.g Scale, Rotation, Speed Ramp, Reversed Clip. To ensure a successful track without having to export your clip, firstly  Dynamic link the clip, with out any alterations on it. Hope this helps!
Frighty.

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