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Database: hu_bme Hungarian grids added #4315

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merged 2 commits into from
Nov 8, 2024
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@rouault rouault commented Nov 8, 2024

Match OSGeo/PROJ-data#127 and supersedes #4314

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rouault commented Nov 8, 2024

@zsiki : With the grids uploaded to the CDN and this PR, things look good:

Geoid transformation:
$ echo 47 20 0 | PROJ_DATA=$PWD/data PROJ_NETWORK=ON bin/cs2cs "ETRF2000 + EOMA 1980 height" ETRF2000 --3d
47dN 20dE 42.540

consistent with

$ echo 47 20 0 | PROJ_DATA=$PWD/data PROJ_NETWORK=ON bin/cs2cs "WGS 84 + EGM96 height" EPSG:4979
47dN 20dE 42.814

Horizontal datum shift:

$ echo 47 20 0 | PROJ_DATA=$PWD/data PROJ_NETWORK=ON bin/cs2cs HD72 ETRF2000
46d59'59.063"N 19d59'55.964"E 0.000

consistent with Helmert transformation:

$ echo 47 20 0 | PROJ_DATA=$PWD/data PROJ_NETWORK=ON bin/cs2cs HD72 ETRS89
46d59'59.062"N 19d59'55.959"E 0.000

@rouault rouault merged commit 9f2289c into OSGeo:master Nov 8, 2024
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2 participants