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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+<head>
+ <title>synthcal</title>
+ <meta http-equiv="content-type"
+ content="text/html; charset=ISO-8859-1">
+ <meta name="author" content="Graeme Gill">
+</head>
+<body>
+<h2><b>spectro/synthcal</b></h2>
+<h3>Summary</h3>
+Create synthetic calibration file. The default is a linear calibration
+file.<br>
+<h3>Usage</h3>
+<font size="-1"><span style="font-family: monospace;">synthcal</span><i
+ style="font-family: monospace;"> </i><span
+ style="font-family: monospace;">[-options] </span><i
+ style="font-family: monospace;">basename<br>
+&nbsp;-t
+N&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; i =
+input, o = output, d = display (default)<br>
+&nbsp;-d col_comb&nbsp;&nbsp;&nbsp;&nbsp; choose colorant combination
+from the following:<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+0:
+Print grey<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+1:
+Video grey<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+2:
+Print RGB<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+3:
+Video RGB<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+4:
+CMYK<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+5:
+CMY<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+6:
+CMYK + Light CM<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+7:
+CMYK + Light CMK<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+8:
+CMYK + Red + Blue<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+9:
+CMYK + Orange + Green<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+10:
+CMYK + Light CMK + Light Light K<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+11:
+CMYK + Orange + Green + Light CM<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+12:
+CMYK + Light CM + Medium CM<br>
+&nbsp;-D colorant&nbsp;&nbsp;&nbsp;&nbsp; Add or delete colorant from
+combination:<br>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+(Use
+-?? to list known colorants)<br>
+</i></font><font size="-1"><i style="font-family: monospace;">&nbsp;-o
+o1,o2,o3,&nbsp;&nbsp;&nbsp; Set non-linear curve offset
+(default 0.0)</i></font><br>
+<font size="-1"><i style="font-family: monospace;">&nbsp;-s
+s1,s2,s3,&nbsp;&nbsp;&nbsp; Set non-linear curve scale
+(default 1.0)<br>
+&nbsp;-p p1,p2,p3,&nbsp;&nbsp;&nbsp; Set non-linear curve powers
+(default 1.0)<br>
+&nbsp;outfile&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Base name
+for output .cal file</i></font><br>
+<h3>Comments<br>
+</h3>
+This is the tool creates a calibration (<a href="File_Formats.html#.cal">.cal</a>)
+file that has a linear table
+for each channel. This is useful in setting up a display for
+evaluation, disabling printer calibration, testing, or to recover a
+display that has a strange set of
+Video LUTs loaded.<br>
+<br>
+<a name="t"></a>The <span style="font-weight: bold;">-t</span> option
+selects the type of device the calibration file is intended for.
+Default is display.<br>
+<br>
+<a name="d"></a>The <span style="font-weight: bold;">-d</span> option
+selects the device colorspace. The default for input and display is <font
+ style="font-weight: bold;" size="-1"><span
+ style="font-family: monospace;">Video RGB</span></font><font size="-1"><span
+ style="font-family: monospace;">, while the default for output is <span
+ style="font-weight: bold;">CMYK</span>.<br>
+</span></font><br>
+<a name="D"></a> The <b>-D</b> parameter modifies the colorspace set
+by <span style="font-weight: bold;">-d</span> by allowing individual
+colorants to be added or subtracted from the colorspace.<br>
+<br>
+Optionally it can be used to create a non-linear calibration file,
+useful for diagnostics. Each of the device channel curves can be
+given a gamma (power curve) shape, scaled to a maximum other than
+1.0, and offset from a value other than 0.0.<br>
+<br>
+</body>
+</html>