[PROJ] Big grid files

Javier Jimenez Shaw j1 at jimenezshaw.com
Thu Apr 24 09:37:29 PDT 2025


Hi

I am playing with the new American geoid model SGEOID2022

After compressing with this command (can I do it better?)
gdal_translate sgeoid2022.tif sgcomp.tif -co COMPRESS=DEFLATE -co TILED=YES
-co PREDICTOR=3
I get a 110 MB file (and it is only one band. No velocities).

GitHub has a limit of 100MB:
https://docs.github.com/en/repositories/working-with-files/managing-large-files/about-large-files-on-github

Just to let you know.

Cheers,
Javier.
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