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Table Of Contents
LUT: 3 256
Each line following the header contains a single entry indicating the value to
which the source is converted. For example, a table converting 10-bit
logarithmic values to 8-bit linear would contain 1024 entries, corresponding
to the 01023 intensity range of pixels in the source file. Each of these entries
would be in the range 0255, corresponding to the intensity range in the
destination.
Blank lines and comment lines (starting with a number sign [#]) are ignored.
Comment lines are useful for indicating the end of one table and the beginning
of another, or for describing how the script or program works.
Floating Point 1D LUT File Format
Floating point LUTs are supported and are reversely compatible in most cases.
You can specify your own floating-point 1D LUT using an ASCII editor as long
as it is in the correct format and is named correctly.
The following illustration represents a 1D floating-point LUT that consists of
one channel of five values that fall between the range of 0.0 and 2.0.
620 | Chapter 26 Color Correction