2017

Table Of Contents
The following figure illustrates the Matte view result of the pickers placed in the previous figures.
Animating a Tracer Mask
When using the Tracer, you can animate the basic vertex parameters, as well as the following additional
parameters.
Channel ValuesChannel Folder and Name(s)Parameter
border:
upper = outer vertex*
The position of the two softness vertices relative to the
mask vertex.
bottom = inner vertex*
0 = unlinked
1 = linked
pickers: fixedWhether pickers are linked to tangents or not.
LinkedPickers move with tangents.
UnlinkedPickers remain in their current position
when tangents are moved.
0 = off, 1 = onpickers: activeThe on/off status of pickers.
pickers:
upper = outer picker*
The position of the pickers relative to the mask vertex.
bottom = inner picker*
pickers:
u-size = outer picker size*
The picker size.
b-size = inner picker size*
0 = Sample off
1 = Sample on
sample: activeThe Sample on/off status of pickers. See Animating
Picker Values (page 773).
0 = Constant
1 = Linear
sample: interp.The interpolation mode for picker values when Sample
is off. See Animating Picker Values (page 773).
772 | Chapter 18 Masking and Rotoscoping