#graphicsmagick — Public Fediverse posts

But wait, there's more! I also wrote a C++ program and Lua scripts to help you make animations of these higher-dimensional fractals. You can find these at https://codeberg.org/caten/RealAlgebraPlot

Not only can you see animations of the rock-paper-scissors fractal of central interest in my paper, you can also take slices of even higher-dimensional fractals coming from other real algebras, such as the octonions.

I wrote everything here from scratch as much as possible, so it has basically zero dependencies. I even opted to use Netpbm (https://en.wikipedia.org/wiki/Netpbm) so that I'd have an easy time writing image files directly without using a library. I am using #GraphicsMagick to produce animations. The same utility can be used to convert the output image files to a more familiar format like png.

#math #mathematics #algebra #analysis #ComplexAnalysis #fractals #Mandelbrot #MandelbrotSet #UniversalAlgebra #octonions #quaternions #cpp #Lua #LuaLang

(2/3)

Fox Squirrel (Sciurus niger) in Norman, Oklahoma, United States on May 11, 2026

Some of the camera settings I used to make this photo are at: https://www.rsok.com/~jrm/2026May31_birds_and_cats/IMG_5904c_2026may11_squirrel.html

There is also a video made from the still photo zooming in to the eye of the squirrel. https://www.rsok.com/~jrm/2026May31_birds_and_cats/video_IMG_5904c2.mp4. This has sometimes been called the "Ken Burns effect", although he was not the first to use it. https://en.wikipedia.org/wiki/Ken_Burns_effect.

#squirrel #wildlife #wildlifephotography #Debian #ffmpeg #GraphicsMagick #jpegli #photography

Signal Group: Codec Chaos Magick

Everything about encoding video, audio and images with modern technology, free and open source software and modern standards to get good quality with low storage space!

Say good bye to #mp3, #h264 or #jpg, they are obsolete!

#SignalGroup #SignalGroups #ffmpeg #ImageMagick #GraphicsMagick #opus #av1 #jxl #avif #webp #av2 @signalgroups

https://signal.group/#CjQKINbhTxTrCetghp2WeIzZa7rHQV8PBu5tFhgtxkvvg3cOEhB0ifqDuCOMVrJHy9jch7wE

Tufted Titmouse (Baeolophus bicolor) in Norman, Oklahoma, United States on April 3, 2026

Some of the camera settings and all of the edits I used to make this photo are at: https://www.rsok.com/~jrm/2026Apr30_birds_and_cats/IMG_5771c_2026apr03_titmouse.html

#birds #Debian #Linux #jpegli #wildlife #wildlifephotography #Oklahoma #photography #exiftool #graphicsmagick

A photo made with old technology enhanced using #jpegli #graphicsmagick #exiftool #Debian

Glenveagh National Park on August 5, 2013

Some of the camera settings I used to make this photo are at: https://www.a-wee-bit-of-ireland.com/eire_2013/2013aug05_Glenveagh_IMG_4315.html

Also: https://1-john-moyer.pixels.com/featured/stairway-4315-john-moyer.html

#travel #Donegal #Ireland #landscapephotography #photography #stairway

A photo made with old technology enhanced using #jpegli #graphicsmagick #exiftool #Debian

Glenveagh National Park on August 5, 2013

Some of the camera settings I used to make this photo are at: https://www.a-wee-bit-of-ireland.com/eire_2013/2013aug05_Glenveagh_IMG_4316.html

Also: https://1-john-moyer.pixels.com/featured/glenveagh-national-park-4316-john-moyer.html

#travel #Donegal #Ireland #landscapephotography #photography #moss

A photo made with old technology enhanced using #jpegli #graphicsmagick #exiftool #Debian

Glenveagh National Park on August 5, 2013

Some of the camera settings I used to make this photo are at: https://www.a-wee-bit-of-ireland.com/eire_2013/2013aug05_Glenveagh_IMG_4312.html

Also: https://1-john-moyer.pixels.com/featured/glenveagh-castle-4312-john-moyer.html

#travel #Donegal #Ireland #landscapephotography #photography #castle

A photo made with old technology enhanced using #jpegli #graphicsmagick #exiftool #Debian

Glenveagh National Park on August 5, 2013

Some of the camera settings I used to make this photo are at: https://www.a-wee-bit-of-ireland.com/eire_2013/2013aug05_Glenveagh_IMG_4298.html

Also: https://1-john-moyer.pixels.com/featured/glenveagh-castle-gardens-4298-john-moyer.html

#travel #Donegal #Ireland #landscapephotography #photography #gardens

A photo made with old technology enhanced using #jpegli #graphicsmagick #exiftool #Debian

Glenveagh National Park on August 5, 2013

Some of the camera settings I used to make this photo are at: https://www.a-wee-bit-of-ireland.com/eire_2013/2013aug05_Glenveagh_IMG_4272.html

also: https://1-john-moyer.pixels.com/featured/glenveagh-castle-gardens-4272-john-moyer.html

#travel #Donegal #Ireland #landscapephotography #photography #gardens

A photo made with old technology enhanced using #gimp #jpegli #graphicsmagick #Debian

View over the lake at Glenveagh National Park on August 5, 2013.

Some of the camera settings I used to make this photo are at: https://www.a-wee-bit-of-ireland.com/eire_2013/2013aug05_Glenveagh_IMG_4332.html

#travel #Donegal #Ireland #landscape #photography

Yellow-rumped Warbler (Setophaga coronata) in Norman, Oklahoma, United States on January 3, 2026

Some of the camera settings I used to make this photo are at: https://www.rsok.com/~jrm/2026Jan04_birds_and_cats/2026jan03_warbler_IMG_5482c.html

#birds #warbler #crosstimbers #wildlife #wildlifephotography #Oklahoma #gimp #jpegli #graphicsMagick #photography

Fox Squirrel (Sciurus niger) on oak tree in Norman, Oklahoma, United States on January 2, 2026

Some of the camera settings I used to make this photo are at: https://www.rsok.com/~jrm/2026Jan04_birds_and_cats/2026jan02_squirrel_IMG_5467c.html

#squirrel #crosstimbers #wildlife #wildlifephotography #gimp #jpegli #graphicsMagick #Debian #macOS

Carolina Chickadee (Poecile carolinensis) in Norman, Oklahoma, United States on January 2, 2026

Some of the camera settings I used to make this photo are at: https://www.rsok.com/~jrm/2026Jan04_birds_and_cats/2026jan02_chickadee_IMG_5466c.html

#birds #wildlife #wildlifephotography #Oklahoma #gimp #Debian #macOS #graphicsMagick #jpegli #photography

Yellow-bellied Sapsucker (Sphyrapicus varius) in Norman, Oklahoma, United States on December 28, 2025

Some of the camera settings I used to make this photo are at: https://www.rsok.com/~jrm/2026Jan04_birds_and_cats/2025dec28_sapsucker_IMG_5418c.html

#birds #woodpecker #wildlife #wildlifephotography #Oklahoma #gimp #Debian #graphicsMagick

Yellow-bellied Sapsucker (Sphyrapicus varius) with a buckbrush (Symphoricarpos orbiculatus) berry in Norman, Oklahoma, United States on December 28, 2025

Some of the camera settings I used to make this photo are at: https://www.rsok.com/~jrm/2026Jan04_birds_and_cats/2025dec28_sapsucker_IMG_5414c.html

#birds #woodpecker #nativeplants #wildlife #wildlifephotography #crosstimbers #Oklahoma #photography #gimp #graphicsmagick

Purple Finch (Haemorhous purpureus) in Norman, Oklahoma, United States on December 28, 2025

Some of the camera settings I used to make this photo are at: https://www.rsok.com/~jrm/2026Jan04_birds_and_cats/2025dec28_finch_IMG_5427c.html

#birds #birdbath #finch #wildlife #wildlifephotography #Oklahoma #gimp #jpegli #photography #graphicsMagick

I wrote a web page about processing raw data from my camera to make an image for viewing on the web.

https://www.rsok.com/~jrm/2026jan07_cardinal/index.html

#birds #imageprocessing #photography #software #gimp #Debian #Linux #exiftool #jpegli #graphicsmagick #ksh #ICC #IPTC #ITU #MWG

Dark-eyed Junco (Junco hyemalis) in Norman, Oklahoma, United States on November 14, 2025

Some of the camera settings I used to make this photo are at: https://www.rsok.com/~jrm/2025Nov16_birds_and_cats/2025nov14_junco_IMG_4830c.html

#birds #junco #snowbird #wildlife #wildlifephotography #Oklahoma #photography #gimp #graphicsMagick #debian #jpegxli

Greater Roadrunner (Geococcyx californianus) at Lake Thunderbird State Park in Norman, Oklahoma, United States on December 13, 2019

Some of the camera settings I used to make this photo are at: https://www.rsok.com/~jrm/2019Dec15_birds_and_cats/2019dec13_roadrunner_IMG_0801c.html

#birds #roadrunner #LakeThunderbird #wildlife #wildlifephotography #gimp #Debian #Oklahoma #photography #GraphicsMagick

@moredread
Thanks!

This morning I used the latest Canon DPP and gimp 3 and GraphicsMagick on macOS and Debian on the raw data from 6 years ago. My preferences have changed. Two unsharp masks with different radius, disable "auto lighting optimizer", enable "digital lens optimizer", white balance "cloudy", slight change to gamma curve, and 3rd unsharp mask when down scaling image.

The black and white is actually color on a gray cloudy day.

The 2 versions:
#Debian #gimp #graphicsMagick

A photo made with old technology

Lough Eske in County Donegal, Ireland on August 4, 2013

Some of the camera settings I used to make this photo are at: https://www.a-wee-bit-of-ireland.com/eire_2013/2013aug04_Eske_IMG_4237c2.html

#Ireland #CountyDonegal #LoughEske #landscapephotography #travel #Debian #GraphicsMagick #naturephotography #photography

A photo made with old technology

This ewe was near Stroove, Moville, Donegal, Ireland. It is said that one can see Scotland from here, but the ewe seemed sceptical

Some of the camera settings I used to make this photo are at: https://www.a-wee-bit-of-ireland.com/eire_2013/2013aug04_Stroove_ewe_IMG_4169.html

#Ireland #Donegal #sheep #Inishowen #Debian #GraphicsMagick #landscapephotography #naturephotography #photography

RE: https://okla.social/@johnmoyer/114579432674579157

This version of the same photo was created from the raw file using rawtherapee free software. The frame with text was made and the image downsized from 8000x5333 using GraphicsMagick free software.

Exiftool free software was used to add standard IPTC and MWG metadata tags.

#rawtherapee #graphicsmagick #exiftool #DebianLinux #freesoftware

Yesterday I revisited photos I made in 2019. I used newer versions of software. I stitched together 24 photos to make one large image.

Very large image on my web server: https://www.rsok.com/~jrm/2019_Alaska/2019aug09_denali_9475-9499.html

Small version: https://www.rsok.com/~jrm/2019_Alaska/2019aug09_denali_9475-9501cs4.jpg

#Denali #NationalPark #PolychromeMountains #hugin #graphicsmagick #exiftool #landscapephotography #Alaska #photography

If you're using #GraphicsMagick and read about the latest #ImageMagick PNG CVEs you'll be happy to hear that GM is NOT affected. 👏 🐸