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@rouault rouault commented Sep 22, 2025

now that cz_cuzk_table_-y-x_3_v1710.tif is available (OSGeo/PROJ-data#147)

now that cz_cuzk_table_-y-x_3_v1710.tif is available
(OSGeo/PROJ-data#147)
@rouault rouault added the backport 9.7 Backport to 9.7 branch label Sep 22, 2025
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Just notice that cs2cs EPSG:4258 EPSG:5514+8357 --3d uses the file, but cs2cs EPSG:4258 EPSG:5514 --3d doesn't (at least it is what I get)

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rouault commented Sep 22, 2025

but cs2cs EPSG:4258 EPSG:5514 --3d doesn't (at least it is what I get)

I'm not sure that transformation is "defined" officially. At least https://cuzk.gov.cz/Zememerictvi/Geodeticke-zaklady-na-uzemi-CR/GNSS/Nova-realizace-systemu-ETRS89-v-CR/Metodika-prevodu-ETRF2000-vs-S-JTSK-var2(101208).aspx only referes from ETRS89 3D to S-JTSK / Krovak East North + Baltic 1957 height.

@rouault rouault merged commit 58799b3 into OSGeo:master Sep 23, 2025
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