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<title>mpplu</title>
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<meta name="author" content="Graeme Gill">
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<h2><b>xicc/mpplu</b></h2>
<h3>Summary</h3>
Lookup individual color values though an <a
href="File_Formats.html#MPP">MPP</a> profile. Also
create MPP gamut files or <a href="File_Formats.html#X3DOM">X3DOM</a>
views.<br>
<h3>Usage</h3>
<small><span style="font-family: monospace;">mpplu [-v level] [-f func]
[-i intent] [-o order] profile.mpp</span><br
style="font-family: monospace;">
<span style="font-family: monospace;">-v
Verbose</span><br style="font-family: monospace;">
<span style="font-family: monospace;">-f </span><i
style="font-family: monospace;">function</i><span
style="font-family: monospace;"> f = forward, b =
backwards</span><br style="font-family: monospace;">
<span style="font-family: monospace;">-p </span><i
style="font-family: monospace;">oride</i><span
style="font-family: monospace;"> x
= XYZ_PCS, l =
Lab_PCS, y = Yxy, s = spectral,</span><br
style="font-family: monospace;">
<span style="font-family: monospace;">-l </span><i
style="font-family: monospace;">limit</i><span
style="font-family: monospace;"> override
default
ink limit, 1 - N00%</span><br style="font-family: monospace;">
<span style="font-family: monospace;">-i </span><i
style="font-family: monospace;">illum</i><span
style="font-family: monospace;"> Choose
illuminant for
print/transparency spectral data:</span><br
style="font-family: monospace;">
<span style="font-family: monospace;">
A, C, D50 (def.), D50M2, D65, F5, F8, F10 or file.sp</span><br
style="font-family: monospace;">
<span style="font-family: monospace;">-o </span><i
style="font-family: monospace;">observ</i><span
style="font-family: monospace;"> Choose CIE
Observer for spectral
data:</span><br style="font-family: monospace;">
<span style="font-family: monospace;">
</span></small><small><span
style="font-family: monospace;">1931_2 </span></small><small><span
style="font-family: monospace;"> (def.)</span></small><small><span
style="font-family: monospace;">, 1964_10, S&B
1955_2, shaw, J&V 1978_2</span></small><small><span
style="font-family: monospace;"></span><br
style="font-family: monospace;">
<span style="font-family: monospace;">-u
Use Fluorescent Whitening Agent compensation</span><br
style="font-family: monospace;">
<span style="font-family: monospace;">-g
Create gamut output</span><br
style="font-family: monospace;">
<span style="font-family: monospace;">-w
Create gamut X3DOM as well<br>
-n
Don't add X3DOM axes<br>
-a n Gamut
transparency level<br style="font-family: monospace;">
</span><span style="font-family: monospace;">-d
n Gamut
surface detail level</span><br style="font-family: monospace;">
<span style="font-family: monospace;">-t num
Invoke debugging test code
"num" 1..n</span><br style="font-family: monospace;">
<span style="font-family: monospace;">
1 - check partial derivative for device
input</span><br style="font-family: monospace;">
<span style="font-family: monospace;">
2 - create overlap diagnostic X3DOM gamut
surface</span><br style="font-family: monospace;">
<span style="font-family: monospace;">profile.mpp Profile to be
used</span><br style="font-family: monospace;">
<br style="font-family: monospace;">
<span style="font-family: monospace;"> The colors to
be translated should be fed into
standard input,</span><br style="font-family: monospace;">
<span style="font-family: monospace;"> one input
color per line, white space separated.</span><br
style="font-family: monospace;">
<span style="font-family: monospace;"> A line
starting with a # will be ignored.</span><br
style="font-family: monospace;">
<span style="font-family: monospace;"> A line not
starting with a number will terminate the
program.</span></small>
<br>
<h3>Usage Details and Discussion</h3>
This is an analogous tool to <a href="icclu.html"> icclu </a>, but
applying
to <a href="File_Formats.html#MPP">MPP</a> profile, rather than <a
href="File_Formats.html#ICC">ICC</a> profiles. Because MPP profiles
can also contain a spectral description of device behavior, there are
extra options in mpplu to describe how to convert spectral values into
CIE tristimulus values.<br>
Some additional functionality is included in mpplu, analogous to <a
href="iccgamut.html"> iccgamut</a>, allowing gamut files and images to
be generated from MPP profiles.<br>
<br>
The <b>-v</b> flag causes extra information about the profile to be
printed.<br>
<br>
The <b>-f</b> flag is experimental, and should be ignored.<br>
<br>
Normally L*a*b* is displayed, but this can be changed using the the <b>-p</b>
flag and XYZ, Yxy, or spectral values to be be displayed.<br>
<br>
If an illuminant, observer or Fluorescent Whitening Agent compensation
is selected, then the CIE tristimulus values will be computed from the
spectral information in the MPP profile (if present).<br>
<br>
The <b>-l</b> flag overrides any default ink limit (Total Area
Coverage) recorded in the profile. The ink limit has an effect on the
results of a gamut
generated from the profile.<br>
<br>
The <b>-i</b> flag allows specifying a standard or custom illumination
spectrum, applied to reflective spectral profile data to compute CIE
tristimulus
values. <b>A</b>, <b>D50</b>, <b>D65</b>, <b>F5</b>, <b>F8</b>, <b>F10</b>
are a selection of standard illuminant spectrums, with <b>D50</b>
being the
default. If a filename is specified instead, it will be assumed to be
an
Argyll specific <a href="File_Formats.html#.sp">.sp</a> spectrum file.<br>
<br>
<a name="o"></a> The <b>-o</b> flag allows specifying a tristimulus
observer, and is used to compute PCS (Profile Connection Space)
tristimulus values. The following choices are available:<br>
<b> 1931_2</b> selects the standard CIE 1931 2 degree observer.
The default.<br>
<b>1964_10</b> selects the standard CIE 1964 10 degree observer.<br>
<b>1955_2</b> selects the Stiles and Birch 1955 2 degree
observer<br>
<b>1978_2 </b>selects the Judd and Voss 1978 2 degree observer<br>
<b>shaw</b> selects the Shaw and Fairchild 1997 2 degree
observer<br>
<br>
The <b>-u</b> flag enables Fluorescent Whitening Agent compensation,
which compensates for the effect a different illuminant will have, on
any Fluorescent Whitening Agent present in the reflective media.<br>
<br>
The <b>-g</b> flag causes mpplu to simply generate a gamut surface
description from the profile, creating a <a
href="File_Formats.html#.gam">.gam</a> file with the same base name as
the given profile.<br>
<br>
The <b>-w</b> flag causes the gamut surface to be generated in <a
href="File_Formats.html#X3DOM">X3DOM</a> format
as well as <a href="File_Formats.html#.gam">.gam</a> format.<br>
<br>
<small><span style="font-family: monospace;">The <span
style="font-weight: bold;">-n</span> flag suppresses the X3DOM axes.<br>
<br>
The <span style="font-weight: bold;">-a</span> <span
style="font-weight: bold;">n</span> parameter sets a transparency
level in the X3DOM surface.</span></small><br>
<br>
The <b>-d</b> parameter controls the level of detail displayed in the
gamut surface. The parameter roughly corresponds to a deltaE value, so
smaller values give greater detail. The default value is around 10, and
is a good place to start. Small values may take a lot of time to
generate, and will produce big files.<br>
<br>
The <b>-t</b> parameter invokes special MPP test and diagnostic output.<br>
<br>
<br>
<br>
<br>
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