2011

Table Of Contents
was premultiplied. OpenEXR files have their alpha channel premultiplied, so
it is set to on by default. The following table summarizes the different cases.
ValueUnpremul-
tiply
Format
--OffFormat without alpha
OffOnFormat with alpha, without premultiplied
info
Depends on infoOnFormat with alpha, with premultiplied info
Depends on conventionOnFormat with alpha, conventional premulti-
plied
Specifying the Destination Format
When importing an image sequence, Composite determines the resulting
composition properties with respect to channels and bit depth. Some controls
that let you override these default properties include:
Output channels RGB, RGBA, and A.
Bit depth either 16-bit or 32-bit regardless of the files original depth.
Your initial bit depth values can vary depending on the properties of the image
files.
From a jpeg file, the default proposed is 16-bit
From a dpx 10-bit int file, the default is 16-bit
From a dpx 16-bit int file, the default is 32-bit
From an hdr 32-bit, the default is 32-bit
You can always create an RGB, RGBA or A Output Channel composition. Any
missing channels are filled with black.
Using the Gate UI to Create Footage
When you import media directly into a Schematic view or in the Player by
dragging and dropping, a Gate UI appears with a number of choices depending
Specifying the Destination Format | 135