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  1. #1
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    Gimp 2.9.1 available for fedora 21 via copr

    Saw this linked on facebook.

    http://www.ryanlerch.org/blog/new-gi...le-for-fedora/

    "New GIMP 2.9.1 master builds available for Fedora"

  2. #2
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    COPR version has 64bit float point precision for image processing.
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  3. #3
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    sounds good. however, what are the specific benefits of 64-bit float point precision with regards image editing though? because there is very little in CAD.

    the older Fedora repo version seemingly works fine 'as is' for me and my simple demands of GIMP. I'm not processing loads of hi-res images though.

  4. #4
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    Looks exiting but I can't find a good feature list for 3.10.
    This ended up on top of my web search, is very detailed and touches a lot of different features but is unfortunately from late 2012.
    The GIMP roadmap is more up to date but also harder to grasp.

  5. #5
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    Quote Originally Posted by arehtykitna
    sounds good. however, what are the specific benefits of 64-bit float point precision with regards image editing though?
    Very useful in astronomy world.
    Desktop CPU: AMD Phenom II(tm) X4 Processor 940 AM2+ - Memory: 8GB DDR2-RAM - GPU: Sapphire Pulse Radeon RX 560 4GB OC - OS: Fedora 27 Workstation x86-64 and Windows 10 Pro 64-bit
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  6. #6
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    When you apply various image processing filters then you get rounding errors. These can accumulate a lot when multiple filters are applied. 64bit floating point precision means that the results of stacking filters like that are far more accurate.

  7. #7
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    Thanks alphacrucis. That makes sense now. So sharper processing at greater image depth and less blurring hence the astronomy benefits.

  8. #8
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    that's nice il will try gimp

  9. #9
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    Gimp have recently announced dev release 2.9.2.

    https://www.gimp.org/news/2015/11/27...-9-2-released/

    As far as I know, there is no fedora copr for it yet.

  10. #10
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    I too was hoping to get GIMP 2.9.* in the hope they have a Color>Components>Decompose selection for Lch (if that is even still the menu selection and/or a category anymore.).

    HSV color space, while having a certain intuative side to it, is actually not very good. The Lch color space based off LAB is far better in the way it matches to the Munsell notions (strong useful notions of color). If decomposition is still allowed in 2.9, and one can decompose along the lines of “c” in Lch mode, then this is a very much wanted feature by me. Does anyone know if 2.9 does that??

    Also, is it safe to still get the 2.9.1 build listed above – will it work, within reason, on Fedora 23 or is it probably best to avoid it for now?
    The longer I run numerous Linux box's, the more I like it.

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  11. #11
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    The maintainer of Gimp in Fedora repository packaged 2.9.2 last month.
    https://copr.fedoraproject.org/coprs...gimp-unstable/
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  12. #12
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    Thank you - I hope....
    The longer I run numerous Linux box's, the more I like it.

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  13. #13
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    Re: Gimp 2.9.1 available for fedora 21 via copr

    I'm looking forward to being able to work directly with 16-bit (per channel) FITSs and TIFFs and that high precision engine. I'm mostly interested as I do some astrophotography.
    Marching to the beat of his own conundrum.

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