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Stabilizer button Opens the Stabilizer menu to apply stabilizing data to selected surface vertices. Available
for Bilinear surfaces only.
Tracking Mode box Select wether to track each selected vertex or UV point individually (Each Point) or
grouped via two proxy trackers, and from which parameters from the proxy trackers extrapolate the movement
(Pos/Scale, Pos/Rot, Pos/Rot/Scale).
■ Each Point: Perform the tracking using a tracker for each selected vertex or UV point.
■ Pos/Rot: Perform the tracking using two proxy trackers that extrapolate the position of the selected
vertices or UV points, based on the detected position and rotation motion.
■ Pos/Scale: Perform the tracking using two proxy trackers that extrapolate the movement of the selected
vertices or UV points, based on the detected position and scale motion.
■ Pos/Rot/Scale: Perform the tracking using two proxy trackers that extrapolate the movement of the
selected vertices or UV points, based on the detected position, scale and rotation motion.
Shape Channel button Enable to use the Shape channel in the Channel Editor. Disable to use individual
channels in the Channel Editor. See
Reshaping Using the Channel Editor (page 511).
Copy To UV Points button Click to copy vertex data to the UV point animation channels.
Auto Adjust button Enable to scale adjacent tangents automatically. Auto Adjust creates a smooth curve
between points in the deformation. If you want to work on a specific area of the image without affecting
other tangents, disable Auto Adjust.
NOTE If you move a tangent explicitly, it is not affected by Auto Adjust. Click Reset Points or Reset Shape so that
the tangents will be affected by the Auto Adjust mode.
3D Handles button Enable to allow Z buffering of the vertices. By default, the vertices are always visible,
regardless of their position in Z space in relation to other media.
Reset Selection box Select whether to reset selected points, tracking data, or the shape of the surface. Click
Reset All to reset all data.
UV Points Settings
UV Points settings are available for all surface shapes, except for flat.
Merge button Click to merge the extended bicubic surface sections (can be clicked multiple times).
Subdivide button Click to subdivide the extended bicubic surface into more sections (can be clicked multiple
times). See
Subdividing an Extended Bicubic (page 516).
X Position field Displays the position of the selected surface points along the X axis. Editable.
506 | Chapter 15 Compositing in 3D Space with Action