Changing a Tracked Camera to a Moving Object Shot

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Changing a Tracked Camera to a Moving Object Shot

It's fairly common for users to track for a while, then realize that they should have set up the shot as a moving-object shot. There's even a tutorial on converting to a a camera to an object track.

The following is a python script to quickly do that for us. (Again, reference SyPy3 below when using Python 3):

# ; Quick convert camera-track to object-track import SyPy

hlev = SyPy.SyLevel() hlev.OpenExisting()

# Go to the solver panel and reset the camera hlev.SetRoom("Solver")

bid = hlev.ActionID("Solve/Clear")

hlev.Main().ByID(bid).ClickAndWait() # it's on the Summary panel # Start our undo block for low-level changes

hlev.Begin()

# Make a new moving object on the active camera mob = hlev.CreateNew("OBJ")

# Move all the trackers to the new object

cam = hlev.Active().cam # active cam for sure for t in cam.Trackers():

t.obj = mob

# Make the camera disabled, and the new object active cam.mode = "Disabled"

hlev.SetActive(mob) hlev.ReloadAll()

hlev.Accept("Convert to moving object")

# All done... could re-solve here if desired.

This script can be run directly, using Script/Run Script, or if it is placed in the system or user script directory, it can be run from the Script menu as "Script/Quick convert camera-track to object-track"

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