feh --randomize is great for viewing random images; not great for making collages, use imagemagick instead

• feh can’t handle large numbers of thumbnails (and for some reason I never understood it said there were 5x thumbnails than there actually was) but it’s great for small random collages.
• e.g. here’s two
  • make a random collage with feh (imagemagick is probably faster!) feh --randomize -r . --montage --verbose -X -x -H 4000 -W 4000 -O 2024-05-08-random-montage.png -E 10 -y 10
  • 10200 pixel by 10200 pixel command line which took 6 hours feh -r . --montage --verbose -X -x -H 10200 -W 10200 -O reverse-filelist-borderless-10200x10200-2024-05-09-sort-mtime-montage.png -E 20 -y 20 -S mtime --conversion-timeout 1 --borderless --reverse -f hopefully-just-png-jpg-files.txt
• Here’s my complete mastodonfeh thread: https://devdilettante.com/deck/@roland/112445889280926642

Previously

• October 29, 2022: imagemagick How To make a montage of images from average colour: 1st get average colour by downsizing to 1x1 ; 2nd upscale with a fixed size; this results in images in this case with 20x20 which at 80x24 leads to 1600x480

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