#digitalnegative — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #digitalnegative, aggregated by home.social.
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Preparing the digital negative & letting it dry before tonight's printing session...
(Already inverted the photo to better see the inverted image...)
#AltProcess #DigitalNegative #Kallitype #PrintMaking #LandscapePhotography #Alps #Mountains
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Neither #Affinity nor #Darktable seemingly support 1D LUTs, which would have been too easy and useful for my #DigitalNegative preparation tool... Instead they both insist on using only 3D LUTs. Converting 1D to 3D takes a bit more effort, but thanks to https://thi.ng/transducers, it's still very easy...
#ThingUmbrella #TypeScript #JavaScript #FunctionalProgramming #Transducers #LUT #Photography
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Researching DIY solutions for preparing digital negatives for my salt/kallitype printing experiments. Working on a little curve fitting tool/library (of course using https://thi.ng/umbrella) for computing tone mapping curves derived from sample swatches (here 5% steps of gray/density). The screenshot shows 2nd - 5th degree polynomials. Looks like a quartic is more than good enough... (I know there are ready-made tools for this, but I'm learning more this way... :)
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Researching DIY solutions for preparing digital negatives for my salt/kallitype printing experiments. Working on a little curve fitting tool/library (of course using https://thi.ng/umbrella) for computing tone mapping curves derived from sample swatches (here 5% steps of gray/density). The screenshot shows 2nd - 5th degree polynomials. Looks like a quartic is more than good enough... (I know there are ready-made tools for this, but I'm learning more this way... :)
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Researching DIY solutions for preparing digital negatives for my salt/kallitype printing experiments. Working on a little curve fitting tool/library (of course using https://thi.ng/umbrella) for computing tone mapping curves derived from sample swatches (here 5% steps of gray/density). The screenshot shows 2nd - 5th degree polynomials. Looks like a quartic is more than good enough... (I know there are ready-made tools for this, but I'm learning more this way... :)
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Researching DIY solutions for preparing digital negatives for my salt/kallitype printing experiments. Working on a little curve fitting tool/library (of course using https://thi.ng/umbrella) for computing tone mapping curves derived from sample swatches (here 5% steps of gray/density). The screenshot shows 2nd - 5th degree polynomials. Looks like a quartic is more than good enough... (I know there are ready-made tools for this, but I'm learning more this way... :)
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Researching DIY solutions for preparing digital negatives for my salt/kallitype printing experiments. Working on a little curve fitting tool/library (of course using https://thi.ng/umbrella) for computing tone mapping curves derived from sample swatches (here 5% steps of gray/density). The screenshot shows 2nd - 5th degree polynomials. Looks like a quartic is more than good enough... (I know there are ready-made tools for this, but I'm learning more this way... :)