Locking down a floor plane from a Mocha camera solve - how?

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Old 1 Week Ago   #1
Locking down a floor plane from a Mocha camera solve - how?

Hi guys -

I have a camera solve from Mocha in the form of an fbx file. The file has an animated camera and two sets of nulls that are arranged as corner pins.
One of the null sets is taken has been extracted from the floors texture - so I know it is the floor from the solved scene.
However, I'd like to shift everything so that it matches Cinema's floor.

How can I align those four corner pins that represent the floor, down onto Cinemas floor and take the camera animation with it?

Many ta's in advanced.
Posted by Proxy
Old 1 Week Ago   #2
if I understood the question correctly, there's a simple solution.
Put everything under a null, and rotate the whole thing manually in the orthodontist views until the nulls match the floor.
If my understanding was incorrect, please post a scene.
Old 1 Week Ago   #3
That was spot on and worked to perfection - thank you noseman.

Once again - all so simple and yet I still seem to over look things. I think my time with Maya and now with Houdini has given my thought process a wrong turn.
Posted by Proxy
Old 1 Week Ago   #4
The idea behind this is that all keyframed animation is relative (object space), therefore grouping everything under a null, retains the relative animation.
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