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.\" Copyright (c) 2003  Billy Biggs
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.TH exrchr 1 "December 2003" "exrtools 0.4"

.SH NAME
exrchr \- apply chromatic adaptation to an OpenEXR image

.SH SYNOPSIS

.B exrchr
input.exr blur.exr output.exr degree_of_adaptation

.SH DESCRIPTION

Applies chromatic adaptation on the given input file using a per-pixel
whitepoint from the file blur.exr.  The degree of adaptation is specified on
the command line, and should be in the range [0,1] where 1 means fully adapted
to the white point.

Chromatic adaptation is performed using the space and transform from the
CIECAM02 colour appearance model.

.SH AUTHORS

Billy Biggs <vektor@dumbterm.net>.

.SH "SEE ALSO"

.BR exrtools (1).