Help with Mocha - Plane not tracking properly!

Forum|Forum|7 years ago
October 1, 2018
2 replies
5877 views

Hi everyone,

I've doing VFX for a short film, and the big VFX shot involves a billboard replacement with some camera movement.

I have the footage and the graphic that will be put in place, but I'm running into some issues when trying to track the camera movement in Mocha.

The camera is on a dolly, so it tracks the sign, but also pans on the tripod, essentially orbiting the billboard as it passes it. The edge also goes off screen for a brief moment. The track seems to work fine (backwards and forwards) until the movement.

It can't quite seem to follow the plane as the camera pans around. I've got position, rotation, scale, perspective, and shearing all checked.

Is there something I'm missing?

This topic has been closed for replies.

R

Rick Gerard

Community Expert

It would have been an easy track if it was shot a little better and you had put some detail on the temporary sign. It is a lack of detail in the temporary sign it causes the grass to foul up the track.

Mylenium

Brainiac

We honestly can't know. All you have done is write a longwinded, but vague post with no real info in it. Show us the footage, provide screenshots, explain the relevant settings.

Mylenium

R

rocketdogeAuthor

New Participant

Apologies for not being clear enough.

Here is a clip of the movement I'm having issues with:

As I said before, translation, scale, rotation, shear, and perspective are all checked. Min % pixels used is at 80%, smoothing level at 0, and tracking large motion.

kirkeric

Inspiring

Did you get this resolved? That looks like a very smooth shot that should track very well.

Be sure to watch the tutorial above, you may have just missed something simple.

The AE Camera tracker would probably also work great on that.

Eric

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