
206 Chapter 7 Tracking and Stabilization
Converting Stabilization Data to MatchMove Data
Use the same building clip to build a simple matchmove. In this case, remove the
stabilization data from the building clip, invert the stabilization data, then apply the
data to a second image.
To convert stabilization data to MatchMove data:
1 Add another FileIn node (do not delete the node tree built in the previous section) and
read in $HOME/nreal/Tutorial_Media/Tutorial_07images/stabilize/eatatjoes.iff.
Note that because the image is saved as a Shake IFF (.iff) file, the Domain of Definition
(DOD) data is retained.
Since you have already tracked the background, you can attach the Stabilize1 node to
the EatAtJoes node, then use a Layer–Over node to composite the two images together.
2 Extract the Stabilize node (select the node in the Node View and press E) from the stab
(building) node.
3 Connect the extracted Stabilize node to the eatatjoes node.
4 Add a Layer–Over node to the Stabilize node.
5 Connect the stab (building) node to the second input (background) of the Over node.
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