beautypg.com

Converting stabilization data to matchmove data, Compositing outside of primatte – Apple Shake 4 Tutorials User Manual

Page 206

background image

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.