Apple Shake 4 Tutorials - Manual (Page 252)

252 Tutorial 9 Creating Clean Plates
To adjust for lens distortion:
1 Select the CCrop1 node, then insert a Warp–LensWarp node.
2 Load LensWarp1 into the Parameters tab and select Undistort.
3 Expand the factor subtree and set xFactor to 10, and yFactor to 6.
4 Set kappa to 0.05.
5 Change the center to 620 (xCenter) and 495 (yCenter).
6 Click the analyze button.
That’s should do it. It’s not perfect, but it’s a quick little fix.
7 Double-click the output node and you’ll see the result.
Creating a Clean Plate With QuickPaint
A clean plate is a background image with unwanted material removed—a wire rig,
boom mike, street clutter, and so on. To create a clean plate, you typically erase the
parts of the image you don’t want to see and replace them with a “cleaned” version of
the background image.