How to generate tile sets for the Atlas (as of Jan 2025, working on improving)

Renders generated using JourneyMap
(set to generate all tiles, bathymetry on, lowest auto sample interval)

journeymaptools to combine into single png
https://journeymap.info/JourneyMapTools
(ex: java -jar journeymaptools-0.3.jar MapSaver "C:\Users\x\AppData\Roaming\.minecraft\journeymap\data\sp\OwO 2021~02~05 ~SlickRitalin download~" "OwO_day" 512 512 -1 0 false night)

resize by 2x to increase zoom.
https://libvips.github.io/libvips/API/current/libvips-resample.html
vips.exe resize "B:\2b2t\Raw or Unused\Pekora(100k).png" "B:\2b2t\Raw or Unused\Pekora(100k)(Resized).png" 2

dzsave to generate tiles 
https://libvips.github.io/libvips/API/current/Making-image-pyramids.md.html
(ex: vips.exe dzsave --layout=google --suffix=.png --background=0 "B:\2b2t\Raw or Unused\TGG_day(100k).png" B:\2b2t\TGGTilesDay)