From 094535c010320967639e8e86f974d878e80baa72 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Fri, 1 May 2015 16:13:57 +0200 Subject: Imported Upstream version 1.7.0 --- doc/colprof.html | 459 ++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 437 insertions(+), 22 deletions(-) (limited to 'doc/colprof.html') diff --git a/doc/colprof.html b/doc/colprof.html index 022f984..b3b6df2 100644 --- a/doc/colprof.html +++ b/doc/colprof.html @@ -29,6 +29,14 @@ + + + + + + + + @@ -65,6 +73,14 @@ + + + + + + + +           Default intent: Perceptual, Rel. Colorimetric, Saturation, Abs. @@ -90,6 +106,14 @@ + + + + + + + + @@ -119,6 +143,14 @@ + + + + + + + + @@ -134,7 +166,8 @@                Don't put the input .ti3 data in the profile
  -k zhxr  -           Black generation: z = zero K,
+           Black Ink generation: z = + zero K,
                @@ -161,6 +194,14 @@ x + + + + + + + + @@ -197,6 +238,14 @@ White + + + + + + + + @@ -233,6 +282,14 @@ Wh + + + + + + + + @@ -269,6 +326,14 @@ Wh + + + + + + + + @@ -304,6 +369,14 @@ Black + + + + + + + + @@ -340,6 +413,14 @@ concave, + + + + + + + + @@ -363,6 +444,14 @@ concave, + + + + + + + + Same as -k, but target is K locus rather than K value itself
@@ -399,6 +488,14 @@ cLUT + + + + + + + + @@ -434,6 +531,14 @@ s + + + + + + + + @@ -470,6 +575,14 @@ S + + + + + + + + @@ -497,6 +610,14 @@ S + + + + + + + + @@ -529,6 +650,14 @@ and + + + + + + + + @@ -539,11 +668,27 @@ and primaries to be +ve
+  -B X,Y,Z           + + + + + + + Display Black Point override hack
 -V demphasis       + + + + + + + + Degree of dark region cLUT grid emphasis 1.0-3.0 (default 1.00 = none)
 -f [illum] @@ -562,6 +707,14 @@ and + + + + + + + + M0, M1, M2, A, C, D50 (def.), D50M2, D65, F5, F8, F10 or file.sp ]
@@ -578,6 +731,14 @@ and + + + + + + + +         Choose illuminant for computation of CIE XYZ from spectral data & FWA:
@@ -604,6 +765,14 @@ D50M2, + + + + + + + + D65, F5, F8, F10 or file.sp
 -o observ      @@ -623,6 +792,14 @@ D50M2, + + + + + + + + @@ -662,6 +839,14 @@ for + + + + + + + + @@ -687,6 +872,14 @@ for + + + + + + + + @@ -713,6 +906,14 @@ for + + + + + + + + @@ -739,6 +940,14 @@ for + + + + + + + + @@ -773,6 +982,14 @@ for + + + + + + + + @@ -815,6 +1032,14 @@ for + + + + + + + + @@ -840,6 +1065,14 @@ for + + + + + + + + @@ -867,6 +1100,14 @@ for + + + + + + + + rl - White Point Matched Colorimetric (Lab)
 -c viewcond        @@ -883,6 +1124,14 @@ for + + + + + + + + @@ -909,6 +1158,14 @@ for + + + + + + + + @@ -934,6 +1191,14 @@ for + + + + + + + + @@ -960,6 +1225,14 @@ for + + + + + + + + @@ -985,6 +1258,14 @@ for + + + + + + + + @@ -1010,6 +1291,14 @@ for + + + + + + + + @@ -1064,6 +1353,14 @@ for + + + + + + + + @@ -1111,6 +1408,14 @@ for + + + + + + + + g:glare       Glare light % of ambient (default 1)
@@ -1150,7 +1455,15 @@ for - Create gamut gammap_p.wrl and gammap_s.wrl diagostics
+ + + + + + + + + Create gamut gammap_p.x3d.html and gammap_s.x3d.html diagostics
 -O outputfile        Override @@ -1167,6 +1480,14 @@ Override + + + + + + + + @@ -1313,6 +1634,14 @@ the + + + + + + + + @@ -1339,6 +1668,14 @@ the + + + + + + + + @@ -1400,6 +1737,14 @@ the + + + + + + + + @@ -1426,6 +1771,14 @@ the + + + + + + + + @@ -1451,6 +1804,14 @@ the + + + + + + + + @@ -1476,6 +1837,14 @@ the + + + + + + + + @@ -1501,6 +1870,14 @@ the + + + + + + + + @@ -1534,6 +1911,14 @@ White            &nb + + + + + + + + @@ -1708,6 +2093,26 @@ White            &nb black and primary values, so as to work with these programs, but this will reduce the accuracy of the profile.

+ -B X,Y,Z This option is for display profiles + only, and allows overriding the black point of the resulting + profile. The XYZ value is in absolute instrument measurement units. + This option should be used only in special circumstances, for + instance if the display has a very low black point and the + instrument is not capable of measuring the black point accurately or + consistently. In this case a manual estimate of the black point + could be made and provided as the argument to -B. It may also be + useful for displays with black points that approach perfect black + (ie. Plasma or OLED) where a value of 0,0,0 may be more accurate + than typical instrument measurements. A value that is too different + to the default computed black point will likely result in a profile + with strange behavior near black.
+ Note that the default contents of the .ti3 created by dispread is normalised to be 100 for the + white point Y value, and similarly values returned by icclu -ia -px + are normalized to a white Y value of 1.0, which is not what the -B + option expects, so some care needs to be taken in specifying and + evaluating the resulting black point XYZ values.
+
The -V demphasis parameter allows sets the degree to which cLUT grid spacing should emphasize the accuracy of modelling the device response in the dark regions, over that of the @@ -1735,14 +2140,14 @@ White            &nb Ultra Violet to the one the instrument actually used in the measurement. There are two ways this can be used:

- The first and most common is to use the -f flag with the -i - illuminant parameter, to make the color values more accurately - reflect their appearance under the viewing illuminant. This will - work accurately if you specify the actual illuminant spectrum you are using to view the - print, using the -i flag. If you are - doing proofing, you need to apply this to The first and most useful is to use the -f flag with + the -i illuminant parameter (i.e. "-f -i D50"), to + make the color values more accurately reflect their appearance under + the viewing illuminant. This will work accurately if you specify the + actual illuminant spectrum + you are using to view the print, using the -i + flag. If you are doing proofing, you need to apply this to both your source profile, and your destination profile. Note that it is not sufficient to specify an illuminant with the same white point as the one you are @@ -1763,6 +2168,14 @@ White            &nb + + + + + + + + @@ -1785,6 +2198,7 @@ White            &nb ref/D50_X.X.sp set of illuminant spectra are the D50 spectrum with different levels of U.V. added or subtracted, ref/D50_1.0.sp being the standard D50 illuminant, and may be somewhere to start.
+
 [Note: Generally using -f with the standard (-i) D50 illuminant spectrum will predict that the device will produce bluer output than the default of not @@ -1797,13 +2211,14 @@ White            &nb result will be, as the overall color correction compensates for the blueness. The opposite will happen for an input profile.]

- The second way of using the -f flag is to provide it with a - instrument simulation illuminant spectrum parameter, in addition to - the default D50 or -i parameter  CIE XYZ  - calculation illuminant. This more complicated scenario - simulates the measurement of the spectral reflectance of the samples - under a particular instrument illuminant, then computes the CIE XYZ - values of that reflectance spectrum under the default D50 or -i + The second way of using the -f flag is to provide it + with a instrument simulation illuminant spectrum parameter, in + addition to the default D50 or -i parameter CIE XYZ  + calculation illuminant (i.e. "-f M1", or "-f A -i D65" + etc.). This more complicated scenario simulates the measurement + of the spectral reflectance of the samples under a particular + instrument illuminant, then computes the CIE XYZ values of + that reflectance spectrum under the default D50 or -i parameter illuminant. This is not used to give a more accurate real world result, but to provide simulations of various standardized measurement conditions. For instance, to reproduce ISO @@ -1817,10 +2232,10 @@ White            &nb equivalent to    -f D50
    -f M2        equivalent to    -f D50M2
-
-  Note that using -f M2 - gives a result that is comparable to that of a U.V. cut filter - instrument. See also the discussion About +
+  Note that using -f + M2 gives a result that is comparable to that of a U.V. cut + filter instrument. See also the discussion About Fluorescent Whitening Agent compensation.

The -i parameter allows specifying a @@ -2064,7 +2479,7 @@ White            &nb been applied) into the device gamut.

The -P option causes diagnostic 3D VRML plots to be created that + href="File_Formats.html#X3DOM">X3DOM plots to be created that illustrate the gamut mappings generated for the perceptual and saturation intent tables.

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