# cz_cuzk_README.txt

The files in this section result from the conversion of datasets originating
from [ČÚZK](https://geoportal.cuzk.cz/)

## Included grids

### Czech vertical grid:

*Source*: [ČÚZK](https://geoportal.cuzk.cz/dokumenty/CR2005.GTX.zip)
*Format*: GeoTIFF converted from 'AAIGrid'
*License*: [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/)
*Credit*: (c) ČÚZK - Czech Republic
*Horizontal CRS*: EPSG:4937 (ETRS89)

Vertical transformation for Geoid model CR-2005. Used to make the transition
from heights in vertical CRS Baltic 1957 height (EPSG:8357)
to heights above the ellipsoid in ETRS89 (EPSG:4937).

* cz_cuzk_CR-2005.tif