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How to change the perspective of a "grid" that's been 3D track mapped?

Community Beginner ,
Apr 20, 2020

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I've been following a few tutorials trying to get a grid overlayed on the "ground" of my video. I can get the grid on a solid layer that has been created and mapped to a null object that has been created from a 3D Camera Track. my video has very defined curb lines and parking lot lines and while I can get the grid to show on the ground, I can't figure out how to change the perspective of the grid to line up with the video curb and parking space lines... can someone point me in the right direction?

I tried looking for a selection tool that would allow me to grab a corner of the grid and pull it around to mimic vanishing point as in PS, but I can't seem to get it to work in AE.

 

 

Grid Lines.PNG

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How to change the perspective of a "grid" that's been 3D track mapped?

Community Beginner ,
Apr 20, 2020

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I've been following a few tutorials trying to get a grid overlayed on the "ground" of my video. I can get the grid on a solid layer that has been created and mapped to a null object that has been created from a 3D Camera Track. my video has very defined curb lines and parking lot lines and while I can get the grid to show on the ground, I can't figure out how to change the perspective of the grid to line up with the video curb and parking space lines... can someone point me in the right direction?

I tried looking for a selection tool that would allow me to grab a corner of the grid and pull it around to mimic vanishing point as in PS, but I can't seem to get it to work in AE.

 

 

Grid Lines.PNG

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Apr 20, 2020 0
Most Valuable Participant ,
Apr 20, 2020

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You simply rotate the 3D layer. Other than that there is no way to get correct world alignment in Ae. The tracker has no calibration tools and thus any solve is arbitrary in scale and orientation.

 

Mylenium

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Apr 20, 2020 0
Community Beginner ,
Apr 21, 2020

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Grid Lines 2.PNGI was able to get it done with a quad warp on top of the grid, that allowed me to have individual access to the corners of the grid

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Apr 21, 2020 0