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Diffstat (limited to 'doc/collink.html')
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1 files changed, 919 insertions, 100 deletions
diff --git a/doc/collink.html b/doc/collink.html index 778b682..edd58b1 100644 --- a/doc/collink.html +++ b/doc/collink.html @@ -3,7 +3,7 @@ <head> <title>collink</title> <meta http-equiv="content-type" content="text/html; - charset=ISO-8859-1"> + charset=windows-1252"> <meta name="author" content="Graeme Gill"> </head> <body> @@ -51,6 +51,15 @@ + + + + + + + + + Verbose<br> </span></small><small><span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#A">-A "manufacturer"</a><span @@ -105,6 +114,15 @@ existing + + + + + + + + + profile, rather than link (Debug option)</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -143,6 +161,15 @@ clut + + + + + + + + + res. set by -q</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#n">-n</a><span @@ -175,6 +202,15 @@ preserve + + + + + + + + + device curves in result</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -232,6 +268,15 @@ Include + + + + + + + + + abstract profile in link</span></small><br> <small><span style="font-family: monospace;"><small><span style="font-family: monospace;"> </span><a @@ -242,6 +287,15 @@ Include <a href="H">-H file.cal</a> + + + + + + + + + Append calibration curves to 3dlut<br style="font-family: monospace;"> </span> <span style="font-family: monospace;"> </span><a @@ -275,6 +329,15 @@ Mode + + + + + + + + + (default)</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#g">-g [src.gam]</a><span @@ -311,6 +374,15 @@ Gamut + + + + + + + + + Mapping Mode using inverse outprofile A2B [optional source gamut]</span><br style="font-family: monospace;"> <br style="font-family: monospace;"> @@ -351,6 +423,15 @@ s + + + + + + + + + = saturation, a = absolute colorimetric</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -388,6 +469,15 @@ s + + + + + + + + + = saturation, a = absolute colorimetric</span><br style="font-family: monospace;"> <br style="font-family: monospace;"> @@ -428,6 +518,15 @@ a + + + + + + + + + Absolute Colorimetric (in Jab) [ICC Absolute Colorimetric]<br> aw @@ -458,6 +557,15 @@ aw + + + + + + + + + Absolute Colorimetric (in Jab) with scaling to fit white point<br style="font-family: monospace;"> </span><span style="font-family: monospace;"> @@ -489,6 +597,15 @@ aa + + + + + + + + + Absolute Appearance</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> r @@ -519,6 +636,15 @@ r + + + + + + + + + White Point Matched Appearance [ICC Relative Colorimetric]</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -550,6 +676,15 @@ la + + + + + + + + + Luminance matched Appearance</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -581,6 +716,15 @@ p + + + + + + + + + Perceptual (Preferred) [ICC Perceptual]<br> </span></small><small><span style="font-family: monospace;"> pa @@ -610,6 +754,15 @@ pa + + + + + + + + + - Perceptual Appearance</span></small><br style="font-family: monospace;"> <small><span style="font-family: monospace;"></span><span @@ -642,6 +795,15 @@ ms + + + + + + + + + Saturation</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> s @@ -672,6 +834,15 @@ s + + + + + + + + + Enhanced Saturation [ICC Saturation]</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -703,6 +874,15 @@ al + + + + + + + + + Absolute Colorimetric (Lab)<br> @@ -726,15 +906,32 @@ al + + + + + + + + + rl - White Point Matched Colorimetric (Lab)</span><span style="font-family: monospace;"></span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#w">-w [J,a,b]</a><span style="font-family: monospace;"> Use forced - whitepoint hack [optional color to map the white to]</span><br - style="font-family: monospace;"> - <span style="font-family: monospace;"> </span><a + whitepoint hack [optional color to map the white to]<br> + <a href="#b">-b</a> + + + + + + + Use RGB->RGB forced black point hack<br style="font-family: + monospace;"> + </span> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#c">-c <i>viewcond</i></a><span style="font-family: monospace;"> set source viewing conditions for CIECAM02,</span><br style="font-family: @@ -768,6 +965,15 @@ either + + + + + + + + + an enumerated choice, or a parameter</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -804,6 +1010,15 @@ either + + + + + + + + + an enumerated choice, or a parameter:value change<br> </span></small><small><span style="font-family: monospace;"> pp - Practical @@ -838,6 +1053,15 @@ either + + + + + + + + + pe - Print evaluation environment (CIE 116-1995)<br> </span></small><small><span style="font-family: monospace;"> @@ -868,6 +1092,15 @@ either + + + + + + + + + pc - Critical print evaluation environment (ISO-3664 P1)</span></small><small><span style="font-family: monospace;"></span><span style="font-family: monospace;"></span><span style="font-family: monospace;"></span><span @@ -906,6 +1139,15 @@ either + + + + + + + + + mb - Monitor in bright work environment</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -955,6 +1197,15 @@ n + + + + + + + + + = auto, a = average, m = dim, d = dark,</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -986,6 +1237,15 @@ n + + + + + + + + + c = transparency (default average)</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -1017,6 +1277,15 @@ Adapted + + + + + + + + + white point as XYZ (default media white)</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -1048,6 +1317,15 @@ Adapted + + + + + + + + + white point as x, y</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> a:adaptation @@ -1078,6 +1356,15 @@ Adaptatation + + + + + + + + + luminance in cd.m^2 (default 50.0)</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -1110,6 +1397,15 @@ Background + + + + + + + + + of image luminance (default 20)<br> l:imagewhite Image white in cd.m^2 if surround = auto (default 250)</span></small><br @@ -1145,6 +1441,15 @@ light + + + + + + + + + % of image luminance (default 0)<br> </span></small> </span><span style="font-family: monospace;"> @@ -1166,6 +1471,15 @@ light + + + + + + + + + g:X:Y:Z Glare color as XYZ (default media white)</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -1184,6 +1498,15 @@ light + + + + + + + + + g:x:y Glare color as x, y</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -1217,6 +1540,15 @@ source + + + + + + + + + total ink limit, 0 - 400% (estimate by default)</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -1250,6 +1582,15 @@ source + + + + + + + + + total ink limit, 0 - 100% (estimate by default)</span><br style="font-family: monospace;"> <br style="font-family: monospace;"> @@ -1290,6 +1631,15 @@ t + + + + + + + + + = transfer K from source to destination, e = retain K of destination B2A table</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> @@ -1321,6 +1671,15 @@ z + + + + + + + + + = zero K, h = 0.5 K, x = maximum K, r = ramp K (default)</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -1355,6 +1714,15 @@ p + + + + + + + + + = black level generation curve parameters</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -1390,6 +1758,15 @@ q + + + + + + + + + = transfer source K to dual curve limits</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -1428,6 +1805,15 @@ destination + + + + + + + + + total ink limit, 0 - 400% (estimate by default)</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -1461,6 +1847,15 @@ destination + + + + + + + + + total ink limit, 0 - 100% (estimate by default)<br> <a href="#3">-3 flag</a> @@ -1483,6 +1878,15 @@ destination + + + + + + + + + Create "3DLut" output file as well as devlink<br> e @@ -1506,6 +1910,15 @@ destination + + + + + + + + + eeColor .txt file</span></small><br> <tt> m @@ -1517,9 +1930,17 @@ destination + + + + + + + + + MadVR .3dlut file</tt><br> - <small><span style="font-family: monospace;"><small><span - style="font-family: monospace;"> <a href="#Ib">-I b</a> + <tt> <a href="#Ib">-I B</a> @@ -1527,6 +1948,23 @@ destination + Use BT.1886 source EOTF with technical gamma 2.4</tt><tt><br> + </tt><tt> <a href="#Ib">-I b:g.g</a> + Use + BT.1886-like source EOTF with effective gamma g.g</tt><tt><br> + </tt><tt><a href="#Ib">-I b:p.p:g.g</a> + Use effective gamma g.g source EOTF + with p.p prop. output black point offset</tt><small><span + style="font-family: monospace;"><small><span style="font-family: + monospace;"></span></small></span></small><br> + <small><span style="font-family: monospace;"><small><span + style="font-family: monospace;"><tt> <a + href="file:///D:/src/argyll/doc/collink.html#Ib">-I + g:g.g</a> + Use + effective gamma g.g source EOTF with all output black + point offset</tt><br> + </span></small> <a href="#e">-e flag</a> @@ -1540,10 +1978,6 @@ destination - Apply BT.1886-like mapping with effective gamma 2.2 to input</span></small><br> - <small><span style="font-family: monospace;"><small><span - style="font-family: monospace;"> <a href="#Ib">-I - b:g.g</a> @@ -1557,13 +1991,11 @@ destination - Apply BT.1886-like mapping with effective gamma g.g to - input<br> - </span></small></span></small> <a href="#IB">-I B</a> - + Video encode input as:<br> + <a href="#E">-E flag</a> @@ -1574,9 +2006,6 @@ destination - Apply BT.1886 mapping with technical gamma 2.4 to input</span></small><br> - <small><span style="font-family: monospace;"><small><span - style="font-family: monospace;"> <a href="#IB">-I B:g.g</a> @@ -1590,14 +2019,17 @@ destination - Apply BT.1886-like mapping with technical gamma g.g to input<br> - </span></small> <a href="#e">-e flag</a> + Video encode output as:</span></small><small><span + style="font-family: monospace;"><small><span style="font-family: + monospace;"><br> + + n @@ -1612,12 +2044,13 @@ destination - Video encode input as:<br> - <a href="#E">-E flag</a> + normal RGB 0..1 levels (default)<br> + + t @@ -1634,13 +2067,15 @@ destination - Video encode output as:</span></small><small><span - style="font-family: monospace;"><small><span style="font-family: - monospace;"><br> - - n + RGB (16-235)/255 "TV" levels</span></small></span></small><br> + <small><span style="font-family: monospace;"><small><span + style="font-family: monospace;"><small><span + style="font-family: monospace;"><small><span + style="font-family: monospace;"> + T + @@ -1648,9 +2083,6 @@ destination - normal RGB 0..1 levels (default)<br> - - t @@ -1660,7 +2092,9 @@ destination - RGB (16-235)/255 "TV" levels<br> + + + RGB (16-235)/255 "TV" levels, clip WTW [Input Only]</span></small></span></small><br> 6 @@ -1672,6 +2106,15 @@ destination + + + + + + + + + Rec601 YCbCr SD (16-235,240)/255 "TV" levels<br> 7 @@ -1684,6 +2127,15 @@ destination + + + + + + + + + Rec709 1125/60Hz YCbCr HD (16-235,240)/255 "TV" levels<br> 5 @@ -1696,6 +2148,15 @@ destination + + + + + + + + + Rec709 1250/50Hz YCbCr HD (16-235,240)/255 "TV" levels<br> 2 @@ -1708,6 +2169,15 @@ destination + + + + + + + + + Rec2020 YCbCr UHD (16-235,240)/255 "TV" levels<br> C @@ -1720,6 +2190,15 @@ destination + + + + + + + + + Rec2020 Constant Luminance YCbCr UHD (16-235,240)/255 "TV" levels<br> @@ -1733,6 +2212,15 @@ destination + + + + + + + + + xvYCC Rec601 YCbCr Rec709 Prims. SD (16-235,240)/255 "TV" levels<br> @@ -1746,6 +2234,15 @@ destination + + + + + + + + + xvYCC Rec709 YCbCr Rec709 Prims. HD (16-235,240)/255 "TV" levels<br> </span></small> </span></small> <small><span @@ -1779,7 +2276,16 @@ gamut - gammap_p.wrl and gammap_s.wrl diagostics</span></small><small><br> + + + + + + + + + + gammap_p.x3d.html and gammap_s.x3d.html diagostics</span></small><small><br> <span style="font-family: monospace;"></span></small><span style="font-family: monospace;"> <span style="text-decoration: underline;"><span style="font-style: @@ -1814,6 +2320,15 @@ ICC + + + + + + + + + profile. A </span><small><span style="font-family: monospace;">TIFF @@ -1841,6 +2356,15 @@ ICC + + + + + + + + + or JPEG file with embedded profile may be used here.</span></small><br style="font-family: monospace;"> <span style="font-family: monospace;"><span @@ -1876,6 +2400,15 @@ ICC + + + + + + + + + profile. </span><span style="font-family: monospace;">A </span><small><span style="font-family: monospace;">TIFF or JPEG file with embedded profile may be used here.</span></small><br style="font-family: @@ -1972,6 +2505,15 @@ ICC + + + + + + + + + Override clut res. set by <b>-q</b><br> <br> This sets the basic quality of the resulting link, by choosing the @@ -2108,26 +2650,22 @@ ICC the <a href="tiffgamut.html"> tiffgamut</a> tool. More <a href="#GG">details</a> about the gamut mapping, inverse AtoB mode.<br> <br> - The gamut provided to the <span style="font-weight: bold;">-g</span> - or <span style="font-weight: bold;">-G</span> flag should be in the - same colorspace that <span style="font-weight: bold;">collink</span> - is using internally to connect the two profiles. For all intents - except the last one (no. <span style="font-weight: bold;">7</span>), - - - - - - - - - - - - - - - + <a name="Gp"></a>The gamut provided to the <span + style="font-weight: bold;">-g</span> or <span style="font-weight: + bold;">-G</span> flag should be in the same colorspace that <span + style="font-weight: bold;">collink</span> is using internally to + connect the two profiles. For all intents except the last one (no. <span + style="font-weight: bold;">7</span>), the space should be Jab + appearance space, with the viewing conditions generally being those + of the source profile viewing conditions. The source profile will + normally be the one used to create a source image gamut using <span + style="font-weight: bold;">tiffgamut</span>.<br> + <br> + <u><a name="ss"></a> Simple mode gamut mapping options:</u><br> + <br> + <a name="si"></a> <b>-i</b> <i>in_intent</i> + + @@ -2139,18 +2677,6 @@ ICC - the space should be Jab appearance space, with the viewing - conditions generally being those of the source profile viewing - conditions. The source profile will normally be the one used to - create a source image gamut using <span style="font-weight: bold;">tiffgamut</span>.<br> - <br> - <u><a name="ss"></a> Simple mode gamut mapping options:</u><br> - <br> - <a name="si"></a> <b>-i</b> <i>in_intent</i> - - - - @@ -2307,6 +2833,13 @@ ICC in fine tuning paper emulation in absolute colorimetric mapping mode.<br> <br> + <a name="b"></a> The <b>-b</b> flag forces RGB source 0,0,0 to map + to RGB destination 0,0,0. This may be useful for Video + proofing/calibration purposes, where the source is a standard + colorspace such as Rec709, and the display device is well behaved + with black at 0,0,0. By forcing the black mapping, any slight + raising of the black due to display profile tolerances is avoided.<br> + <br> <a name="c"></a><a name="d"></a> The <b>-c</b> and <b>-d</b> options allow specification of the viewing conditions for the source and destination colorspaces respectively. The viewing condition @@ -2415,6 +2948,15 @@ ICC + + + + + + + + + _______ enle<br> | @@ -2445,6 +2987,15 @@ ICC + + + + + + + + + /<br> | @@ -2475,6 +3026,15 @@ ICC + + + + + + + + + /<br> | @@ -2505,6 +3065,15 @@ ICC + + + + + + + + + /<br> | @@ -2535,6 +3104,15 @@ ICC + + + + + + + + + /<br> stle | ------/<br> @@ -2571,6 +3149,15 @@ White &nb + + + + + + + + + Black<br> <br> </tt>For minimum sensitivity of printed output to the lighting @@ -2698,15 +3285,78 @@ White &nb There is more information on the <a href="Scenarios.html">Typical Usage Scenarios</a> page.<br> <b><br> - <a name="Ib"></a></b>The <b>-I b</b> flag applies extra input - processing, applying <a - href="http://www.itu.int/rec/R-REC-BT.1886-0-201103-I">BT.1886</a>-like + <a name="Ib"></a></b>The <b>-I [b|B|g|G][:p.p][:g.g]</b> series + of options, substitutes an alternative EOTF (Electro-Optical + Transfer Function) for the one specified by the matrix input + profile. This is typically used for creating Video display + emulations.<br> + <br> + The basic curve is a pure power curve with scaling and a combination + of input black offset and/or output black offset. The choice of flag + determines the way the power value is interpreted, and the default + balance between input and output black offset handling.<br> + <br> + The lower case <b>b</b> and <b>g</b> flags use an effective power + value specification, where the 50% input maps to the same output + value as a pure power curve with a perfect black. These are the + recommended flags to use, since this means that the overall contrast + of the reproduction will not be affected so much by differences and + variations in the black level, or how the black level is accounted + for. The default effective power value is 2.2.<br> + <br> + The upper case <b>B</b> and <b>G</b> flags use a technical power + value specification, where the power value is the actual one that + will be used. The end result will vary much more with the black + level of the display though. The default technical power value is + 2.4.<br> + <br> + The <b>b</b> and <b>B</b> flags default to the black level being + accounted for as a full input offset, where the power curve is + shifted and scaled to match the black point, preserving the black + shadow tonality. This is what <a + href="http://www.itu.int/rec/R-REC-BT.1886-0-201103-I">BT.1886</a> + uses.<br> + <br> + The <b>g</b> and <b>G</b> flags default to the black level being + accounted for as a full output offset, where the power curve is + scaled to allow for the black point, losing some black shadow + tonality with higher black points. This is what many people think of + as a "pure" power curve, even though this is not possible unless the + display has a perfect zero black level.<br> + <br> + The optional <b>:g.g</b> value is the power to be used. This will + be an effective value if the <b>b</b> or <b>g</b> flags is used, + or the technical value if the <b>B</b> or <b>G</b> flag is used. + This is the primary way to make an allowance for the brightness of + the viewing environment for Video . Darker viewing environments + probably need a larger gamma value, while lighter viewing + environments probably need a lower value.<br> + <br> + The second optional <b>:p.p</b> value is the proportion of black + value that should be accounted for as output offset (the gamma value + must also be specified after this). This defaults to 0.0 for the <b>b</b> + and <b>B</b> flags, and 1.0 for the <b>g</b> and <b>G</b> flags, + but by specifying it explicitly as a value between 0.0 and 1.0, a + hybrid curve characteristic can be obtained. Setting a hybrid value + is a way of maintaining black shadow tonality while being able to + control how much detail is retained in those shadows. An appropriate + value may depend on exactly how the video material was mastered.<br> + <br> + Illustrative combinations are:<br> + <br> + <b>-I b</b><b> + </b>Full + input offset (BT.1886 like) with effective gamma of 2.2<b><br> + </b><b>-I g</b><b> + + </b>Full output offset with effective gamma of 2.2<b><br> + </b><b></b><b>-I B</b><b> @@ -2714,41 +3364,107 @@ White &nb - video gamma mapping using an effective gamma of 2.2 by default, and - overridable using <b>-I b:g.g</b> where <b>g.g</b> is the gamma. - The gamma is an effective gamma, meaning that its effect on 50% - input is the same as that of a pure power curve, in spite of any - black offset added by BT.1886. This has the benefit of making the - overall effect of brightness independent of the black level of the - display. Setting an effective gamma other than 2.2 is one way of - making the viewing condition adjustment for the different conditions - of video encoding and decoding, or for modelling the source - colorspace as a rendering on a video display. This would be used as - an alternative to using gamut mapping mode and setting explicit - input and output viewing conditions, or in combination with - appearance adjustments. BT.1886 will only work with matrix type - input profiles. The default value of 2.2 is probably suitable for - dim viewing conditions, and it may be desirable to override this - default if your viewing conditions are darker or lighter. For - lighter conditions, try "-I b:2.2". For darker conditions, try "-I - b:2.6".<br> + </b>Full input offset (BT.1886 like) with technical gamma of 2.4. + This exactly implements the BT.1886 specification.<b><br> + </b><b>-I G</b> + + + + + + + + Full output offset with technical gamma of 2.2<br> <br> - <b><a name="IB"></a></b>The <b>-I B</b> flag applies extra input - processing, applying <a - href="http://www.itu.int/rec/R-REC-BT.1886-0-201103-I">BT.1886</a> - video gamma mapping using the BT.1886 gamma of 2.4 by default, and - overridable using <b>-I b:g.g</b> where <b>g.g</b> is the gamma. - The gamma is the technical gamma, or power applied to the input - image, and this means that its effect on 50% input will depend on - the black level of the display, making the overall brightness - somewhat unpredictable. For a more predictable effect, use <b>-I b</b>.<br> + <b>-I b</b><b>:2.3</b><b> + + + + + + + + </b>Full input offset (BT.1886 like) with effective gamma of 2.3<b> + <br> + </b><b> -I g:2.3</b><b> + + + + + + + + </b>Full output offset with effective gamma of 2.3<b><br> + </b><b> -I B:2.35</b><b> + + + + + + + + </b>Full input offset (BT.1886 like) with technical gamma of 2.35<br> + <b> -I G:2.35</b> + + + + + + + + Full output offset with technical gamma of 2.35<br> + <br> + <b>-I b</b><b>:0.4:2.3</b> + 60% input offset, 40% output offset with effective gamma of 2.3<b></b><br> + <b> -I g:0.4:2.3</b><b> </b> + + + + + + + + Same as above.<b><br> + </b><b> -I B:0.4:2.35</b> 60% input + offset, 40% output offset with technical gamma of 2.35 <b><br> + </b><b> -I G:0.4:2.35</b> Same as + above.<br> <b><br> <a name="e"></a></b>The <b>-e</b> <i>flag</i> applies a Video encoding to the input. See below<b> and</b> <a href="#E"><b>-E</b></a> for the list of encodings.<br> <br> + <br> <small><span style="font-family: monospace;"><small><span - style="font-family: monospace;"> + style="font-family: monospace;"><small><span + style="font-family: monospace;"><small><span + style="font-family: monospace;"><small><span + style="font-family: monospace;"><small><span + style="font-family: monospace;"> + T + + + + + + + + + + + + + + + + + + + + RGB (16-235)/255 "TV" levels, clip WTW + [Input Only]<br> + </span></small></span></small></span></small></span></small> + x @@ -2759,6 +3475,15 @@ White &nb + + + + + + + + + xvYCC Rec601 YCbCr Rec709 Prims. SD (16-235,240)/255 "TV" levels<br> @@ -2772,6 +3497,15 @@ White &nb + + + + + + + + + xvYCC Rec709 YCbCr Rec709 Prims. HD (16-235,240)/255 "TV" levels</span></small></span></small><br> <br> @@ -2785,6 +3519,13 @@ White &nb as UHD Rec2020, or Digital Cinema SMPTE431 P3, then the corresponding ICC profile should be provided as the source profile.<br> <br> + The <b>-e T</b> option uses the same encoding as <b>-e t</b>, but + rather than handling WTW (Whiter Than White, or out of range values) + using extrapolation, it clips them to the valid range. This can be + useful if you are dealing with source material that has WTW values, + but your TV or Video display clips these out of range values in a + way that alters the hue.<br> + <br> <b><a name="E"></a></b>The <b>-E</b> <i>flag</i> applies a Video encoding to the output. The possible encoding are:<br> <br> @@ -2800,6 +3541,15 @@ White &nb + + + + + + + + + normal RGB 0..1 full range levels (default)<br> t @@ -2812,8 +3562,22 @@ White &nb - RGB (16-235)/255 "TV" levels<br> - + + + + + + + + + + RGB (16-235)/255 "TV" levels</span></small></span></small><small><span + style="font-family: monospace;"><small><span style="font-family: + monospace;"></span></small></span></small><br> + <small><span style="font-family: monospace;"><small><span + style="font-family: monospace;"><small><span + style="font-family: monospace;"></span></small> + 6 @@ -2824,6 +3588,15 @@ White &nb + + + + + + + + + Rec601 YCbCr SD (16-235,240)/255 "TV" levels<br> 7 @@ -2836,6 +3609,15 @@ White &nb + + + + + + + + + Rec709 1125/60Hz YCbCr HD (16-235,240)/255 "TV" levels<br> 5 @@ -2848,6 +3630,15 @@ White &nb + + + + + + + + + Rec709 1250/50Hz YCbCr HD (16-235,240)/255 "TV" levels<br> 2 @@ -2860,6 +3651,15 @@ White &nb + + + + + + + + + Rec2020 YCbCr UHD (16-235,240)/255 "TV" levels<br> C @@ -2872,12 +3672,22 @@ White &nb + + + + + + + + + Rec2020 Constant Luminance YCbCr UHD (16-235,240)/255 "TV" - levels<br> - </span></small></span></small><br> - <br> + levels</span></small></span></small><br> + <small><span style="font-family: monospace;"><small><span + style="font-family: monospace;"></span></small></span></small><br> + The <b>T</b> <br> <b><a name="P"></a></b>The <b>-P</b> option causes a diagnostic 3D - <a href="File_Formats.html#VRML">VRML</a> plots to be created that + <a href="File_Formats.html#X3DOM">X3DOM</a> plots to be created that illustrate the gamut mapping generated.<br> <br> <a name="p1"></a>The <i><b>inprofile</b></i> argument specifies the @@ -2921,6 +3731,15 @@ White &nb + + + + + + + + + Usage Scenarios</a> page.<br> <br> <br> |