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- # This init file provides definitions for CH1903 and CH1903/LV03
- # projections using the distortion grids developed by Swisstopo.
- # See: https://shop.swisstopo.admin.ch/en/products/geo_software/GIS_info
- #
- # You'll need to download the grids separately and put in a directory
- # scanned by libproj. Directories may be added to the scan list through
- # the PROJ_LIB environment variable
- #
- # Note that an independent effort was made to derive an usable grid
- # from the CH1903->CH1903+ grid initially available from the Swisstopo
- # website. You can read about this other effort here:
- # http://lists.maptools.org/pipermail/proj/2012-February/006093.html
- # It may be of interest because the latter was by some reported as being
- # more accurate than the former:
- # http://lists.maptools.org/pipermail/proj/2012-February/006119.html
- #
- # This init file uses the official one
- #
- <metadata> +origin=Swisstopo +lastupdate=2012-02-27
- # CH1903/LV03
- <1903_LV03> +proj=somerc +lat_0=46.95240555555556 +lon_0=7.439583333333333 +k_0=1 +x_0=600000 +y_0=200000 +ellps=bessel +units=m +nadgrids=CHENYX06_etrs.gsb +no_defs
- # CH1903
- <1903> +proj=longlat +ellps=bessel +nadgrids=CHENYX06_etrs.gsb +no_defs <>
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