Need help! Problem with Camera track.

[Bob25267854omwr]

I tracked a video from youtube with AfX 2024, 3D camera tracker and tracked well  and then i created a solid and camera. when i want to change  direction or position of solid, tracking goes wrong, I added a null and tried to change posision of solid by Null but there is still no synchronize between motion of solid and background. Please help me!

[David Arbor]

While you did create a solid, you also chose the Ground Plane option, that isn't meant to be used in the same way you're using it. Try selecting one or more points where you want to place your solid and choose the acutal "Create Solid and Camera" option. You need a virtual camera to mimic the movement of the real camera. You can then adjust the position or orientation by adjusting the Anchor Point to offset the position or orientation to change the rotation. 

Alternatively, you can choose "Create Null and Camera," leave the null in place, then parent a 3D solid to the null. After that, you can move the solid around. 

It's probably worth checking out a quick tutorial to familiarize yourself with the process. Here's a tutorial from Jake Bartlett's Effects of After Effects series. https://www.youtube.com/watch?v=yaT3YwIK-BI

[Bob25267854omwr]

Thank you, i will try that.