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Man Pages


Manual Reference Pages  -  DCOD2LUM (1)

NAME

dcod2lum - Convert hardcopy characteristic curve file to softcopy format

CONTENTS

SYNOPSIS

dcod2lum in-file out-file

DESCRIPTION

Command line program that converts a hardcopy characteristic curve file to softcopy format. In other words, the measured optical density (OD) values from the input file are transformed to the luminance space according to the formula:

L = La + L0 * 10^(-D)

where L is the resulting luminance, La is the reflected ambient light and L0 the illumination (both measured in cd/m^2), ’D’ the optical density (OD). Please note that if no illumination value is specified in the input file (keyword lum) all optical density values are mapped to a constant luminance.

PARAMETERS

in-file hardcopy characteristic curve file to be converted

out-file softcopy characteristic curve file to be written

NOTES

The format of both input and ouput file is described the documentation of the dcmdspfn command line tool. In addition, the data folder contains sample characteristics file monitors, cameras, printers and scanners.

FILES

<datadir>/camera.lut - sample characteristics file of a camera
<datadir>/monitor.lut - sample characteristics file of a monitor
<datadir>/printer.lut - sample characteristics file of a printer
<datadir>/scanner.lut - sample characteristics file of a scanner

SEE ALSO

dcmdspfn(1)

COPYRIGHT

Copyright (C) 2002-2010 by OFFIS e.V., Escherweg 2, 26121 Oldenburg, Germany.

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Version 3.6.0 DCOD2LUM (1) 6 Jan 2011

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