State of the Libre Graphics - Southern California Linux Expo (SCaLE 18x)

Done for Photoflare. Started with a massive list from release notes but I’ve cleaned it up for presenting now.

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RT now has three bullets. Website, macOS Catalina support, and @agriggio’s ART hardfork.

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hi @hiram i’ve deleted my message.

i still expect the communication around this “duplicate” of the state of libre graphics to be improved, so that the projects do not risk to confuse the two events and it’s clear what each of the events ask them to deliver.

Maybe keep an eye on this:

I added some words about Photoflow, although a bit late…

Nope you’re still good @Carmelo_DrRaw!

Howdy!
Yes, @ale you’re right that we need to make sure the messaging is clear and we have been also trying to ping projects and remind them that they can certainly re-use any material they pull together as well as maybe get them thinking about their reports for the LGM “State of” presentation! We’ll get what we have over to you as soon as we can.

Speaking of which, it makes sense to also include the big annual LGM/Rennes in a slide at SCaLEx so the audience is also aware of it (not sure how many in the audience might be on the continent for it, but it’s certainly important to increase visibility however we can).

@anon41087856 any chance you could summarize just a few points on darktable stuff from this past year (I have no idea how to summarize the advances you’ve been working on well).

When is it due ? (darktable 3.0.1 is due in 3 days, can it wait ?)

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Crap. We’re giving the presentation on Sunday. Do you want me to ask someone else that might be able to summarize things a bit?

I can summarize darktable

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Over the top of my head, new stuff in dt in 2019/early 2020:

  • new feature: reordering of modules in the pipeline, that allowed a new module default order more respectful of light transport and therefore more compatible with scene-linear editing workflow,
  • new modules for the scene-linear workflow: curves and levels RGB, tone equalizer for details-preserving local tonemapping (à la dodge and burn) without halos,
  • consequence of the 2 previous : modules can now use either Lab or RGB colour spaces any place in the pipe, conversion are made on-the-fly with the working RGB profile.
  • new feature: workspaces, as GUI module presets, allowing to show only a minimal and curated selection of modules in GUI for portrait, architecture, high ISO, or landscape photography.
  • new culling view in lighttable,
  • new RGB 3D LUT module (HaldClut and .cube),
  • new feature: select which metadata are included in exported files (allows to remove GPS tags or add credits), exposes all IPTC, EXIF, and XMP metadata to create custom recipies,
  • new feature: rework of the tagging module, hierarchical tags management and search
  • new feature: GUI cleaning, with a simpler style (no borders, drop shadows, etc.), and full CSS-theming capability. 4 default styles provided. Sidebars can now be dynamically resized, hidden with keyboard shortcuts, as well as histogram.
  • new feature: focus peaking, showing the sharpest areas in the image in darkroom, lighttable and thumbnails
  • new feature: image assessment mode (compatible ISO 12646), quickely displays the image over a middle grey background with a white frame, to better judge contrast and average exposure while getting rid of optical illusions such as Hunt effect, Stevens effect, and Bartelson-Breneman effect.
  • improvement: performance of the lighttable for 4K displays and above
  • new feature : AVIF and HEIF file format support, with PQ and HLG core curves (HDR) and DCI P3 color space

Upcoming features:

  • full rewrite of the lighttable with basic GTK widgets, for better caching and performance,
  • full rewrite of the pipe reordering feature, saving the pipe order in database + XMP for each image (more robust), and allowing pipe order presets and reverting to 2.6 or 3.0 default pipe order
  • unit tests built-in at compilation time,
  • integration tests to compare OpenCL vs. plain C pipeline output consistency
  • rewrite of the documentation in Markdown to simplify integration on website and contributions
  • GMIC compressed HaldClut support,
  • new module : negadoctor, invert and simulate print for film negatives scans, based on Kodak Cineon densitometry system.

That was just the few things that came to mind, there are much more. We are already something like 780 commits after 3.0

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Good summary. As a very minor side note, detected one typo:

Don’t forget dynamic key shortcuts so you can press, for example, e and use the scroll wheel to alter exposure without opening the exposure module.

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How was SCaLE?

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It was good! A bit fewer people because corona. The track went well.

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I forgot to produce slides for G’MIC. Sorry, I’m working a lot on next version 2.9.0, and completely missed the deadline.

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We have you covered!

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Thank you @patdavid and @paperdigits !!

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