profile/txt2ti3
Summary
Convert
Gretag/Logo/X-Rite or other CGATS format RGB or CMYK test chart
results
into Argyll .ti3
CGATS
format.
Usage Summary
txt2ti3 [-v] [-l limit]
[-d] [devfile] infile [specfile] outbase
-2
create a dummy .ti2 file as well.
-l limit
set ink
limit, 0
-
400% (default max in file)
-d
Set
type of device as Display, not Output
-i
Set
type of device as Input, not Output
[devfile] Input
Device
CMYK
target file (typically file.txt)
infile
Input
CIE,
Spectral or Device & Spectral file (typically file.txt)
[specfile] Input
Spectral
file (typically file.txt)
outbasefile Base name for
output.ti3 and .ti2
file
Usage Details and Discussion
txt2ti3 takes the Gretag/Logo/X-Rite/etc. test chart
results, and converts them
into Argyll .ti3 CGATS
files.
It is quite common to find profile test chart data from various
standards bodies and industry organizations in one of these formats,
so it is
useful to be able to convert them for use with Argyll. ICC profiles
created using Gretag Profile Maker also commonly contain the test
chart
results embedded in the profile, inside an ICC tag.
A variety of different packaging of Gretag/Logo data can be
accepted:
1 source files, consisting of a combined device value and CIE
and/or spectral values.
2 source files, consisting of a file containing the device
values, and a file containing the CIE and/or spectral values.
2 source files, consisting of a file containing the device values
and
the CIE values, and a file containing the spectral values.
3 source files, consisting of a file containing the device values, a
file containing the CIE values, and a file containing the spectral
values.
X-Rite ColorPort seems to produce a single source file containing
combined device value and CIE
and/or spectral values.
The Gretag/Logo test chart results format seem to change with each
minor release of Profile Maker, so this tool may not work in all
cases.
The outbasefile is the
base
of the output file(s), to which txt2ti3 will automatically append a
.ti3 and .ti2 extension.
The input files may have data that is scaled to one of three levels:
1.0, 100.0 or 255.0, and txt2ti3 attempts to guess what the
appropriate
range is, in order to scale to Argyll's standard range 0 .. 100.0.