mocha pro camera solver going crazy when imported to mocha

[Assaf Goldlust]

i think i better show you.
https://www.youtube.com/watch?v=zvo3PNBBajE&feature=youtu.be

https://www.youtube.com/watch?v=WdnFqWctyWk&feature=youtu.be

i also checked the FPS its methes both in after effect and in mocha.
same for the place the key frames are placed in the timeline

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[Mark Whitney]

First off, simplify. Your first spline at the bottom center has all sorts of movement (cars) that will throw things off right there. There appears to be a section of road just to the right of that spline that seems to be clear that might be a better choice.

The last one at the top overlaps one or two other splines it appears but can’t tell layer order in a 480 screen capture. That might be throwing it off too. Get rid of that thin horizontal spline; it’s not contributing much as it sits.

Here’s an older tutorial here that might give you some more ideas on this sort of shot:
https://www.youtube.com/watch?v=SQ77u9EBYEU

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[Assaf Goldlust]

i tried the whole thing a again. i have noticed something weird
when i preform the track with no prespective its looks fine in after effect.
however its keeps the accuracy beneath acceptable. level (around 64%)

any idea the hack is happening?

[Martin Brennand]

Keep in mind the AE redraw rate for overlays is poor, so unless you scrub the the timeline really slowly in AE is not going to show you them matching.

An easier way is to link the nulls to a solid so you can see if it is lining up correctly by playing back the clip in AE rather than scrubbing.

In terms of the scale, that’s just how the camera solver works: It scales the null size based on the parallax of the camera. You can just shrink them down universally.

You also probably don’t need that many tracks. More information is always helpful, but if one of those tracks is off, it’s going to throw out the whole solve.

Martin Brennand | Product Manager | mocha – Imagineer Systems