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On 01/01 10:34, Frank Steinmetzger wrote: |
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> On Mon, Jan 01, 2018 at 09:24:46PM +0100, tuxic@××××××.de wrote: |
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> > Hi, |
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> > […] |
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> > For displaying (the illusion of) different shades of gray, one need |
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> > to convert the colored image into a so called "dithered" black and |
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> > white image (newspapers often use this trick). |
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> > Since -- in difference to the newspapers -- the pixels all have the |
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> > same size and can only be switched on or off only a few dithering |
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> > methods can be applied from which I want to choose the best suited |
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> > for a certain image. |
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> > |
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> > The only problem: Which software can do this kind of conversion? |
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> |
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> The obvious answer Gimp has three methods. Open your photo, select Image → |
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> Mode → Indexed. Select 1 bit colour depth and choose between the dithering |
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> methods at the bottom of the dialog. |
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> |
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> -- |
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> Gruß | Greetings | Qapla’ |
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> Please do not share anything from, with or about me on any social network. |
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> |
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> The bad thing about Wikipedia jokes is |
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> - Deleted due to lack of relevance. - |
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> |
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|
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Hi Frank, |
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|
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thanks for your help! :) |
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Yes, Gimp would be one possibility...but I forgot to mention, that |
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I am looking for a command line tool... |
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I want to do 'mass dithering' and want neither a gui nor a |
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heavy program like The Gimp. |
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|
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I checked pbmplus and found no useful part for that porpuse... |
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Cheers |
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Meino |
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