Name		Name	Last commit message	Last commit date
parent directory ..
.github		.github
nl_nsgi_README.txt		nl_nsgi_README.txt
nl_nsgi_bongeo2004.tif		nl_nsgi_bongeo2004.tif
nl_nsgi_nlgeo2018.tif		nl_nsgi_nlgeo2018.tif
nl_nsgi_nllat2018.tif		nl_nsgi_nllat2018.tif
nl_nsgi_rdcorr2018.tif		nl_nsgi_rdcorr2018.tif
nl_nsgi_rdtrans2018.tif		nl_nsgi_rdtrans2018.tif

README.md

nl_nsgi_README.txt

The files in this section originate from NSGI with corrected metadata.

Included grids

European Netherlands: RD and NAP -> ETRS89

Source: NSGI
Format: GeoTIFF converted from NTv2 & GTX
License: Creative Commons Attribution 4.0

Variant 1:

nl_nsgi_rdcorr2018.tif
nl_nsgi_nlgeo2018.tif

Recommended variant, applies the datum transformation as a separate step using a 3D similarity transformation.

Variant 2:

N.A. only relevant for PROJ 4

Hybrid variant:

nl_nsgi_rdtrans2018.tif
nl_nsgi_nlgeo2018.tif

Includes the datum transformation in the correction grid.

Refer to the RDNAPTRANS™2018 documentation for details.

European Netherlands: LAT -> ETRS89

Source: NSGI
Format: GeoTIFF converted from GTX
License: Creative Commons Attribution 4.0

nl_nsgi_nllat2018.tif

Refer to the NLLAT2018 documentation for details.

Caribbean Netherlands: Bonaire height system KADpeil -> ITRS

Source: NSGI
Format: GeoTIFF converted from GTX
License: Derived from work by NGA. Public Domain.

nl_nsgi_bongeo2004.tif

Refer to the BESTRANS2020 documentation for details.