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On Saturday 26 September 2015 16:11:04 Mick wrote: |
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> Thank you all for your answers. They guided me to do some reading in this |
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> field, which is quite a science all on its own! |
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--->8 |
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> Peter's description does not mention which application loads the .icc file |
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> that the hughski creates, but I'm guessing there must be something that does |
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> read it, if the monitor settings are indeed altered. |
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As far as I remember, it's the colorhug's own program that sets the monitor at |
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the end of its calibration process. After that, the monitor has kept those |
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settings and hasn't needed any further tweaking. |
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I do have the two .icc files in .local/share/icc: |
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$ ls -l .local/share/icc |
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total 28K |
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-rw-r--r-- 1 prh prh 1.2K Sep 9 16:51 edid-fbec4f9c1804ea718b6e1b585fc234ad.icc |
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-rw-rw-r-- 1 prh prh 21K Sep 10 10:41 GCM - Samsung - SMS27A350H - unknown (2015-09-10) [04-58-44].icc |
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/usr/bin/file shows them both as "ColorSync ICC Profile". I don't know why there |
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are two, nor why they have such different sizes. |
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Maybe I'm mistaken and KDE is reading what it needs at startup from those |
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Files. I'll try moving them and see what happens. |
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> With the monitors sorted as best as I could adjust them manually I loaded |
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> the icc files with Kolor-manager. I could not see any change in the colors |
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> displayed by the monitors. They are both wide gamut monitors, so perhaps |
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> the RGB changes were within the narrower RGB spectrum and that's why I did |
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> not notice a difference - not to mention that my eyes are not they used to |
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> be. :p |
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> |
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> Having done all this, I revisited ImageMagick. I ran identify -verbose and |
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> discovered that the original jpg image did not have an embedded icc profile. |
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> So I reran the command specifying a cmyk profile for the input file and an |
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> sRGB for the output file. The result is now satisfactory and comparable on |
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> all operating systems. |
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> |
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> I am still a bit unclear if on non-KDE dekstops xserver will pick up any icc |
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> files for the monitor from ~/.local/share/color/icc and load them at start |
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> up all on its own, or if any additional software is necessary to achieve |
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> this. |
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Yes, I'm also unclear on this. |
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-- |
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Rgds |
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Peter |
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