From 3b9505243e3da8a47aae10bbc294740f01362e7f Mon Sep 17 00:00:00 2001 From: Even Rouault Date: Sat, 10 Feb 2018 10:42:03 +0100 Subject: Add BETA2007 grid and change potsdam datum (#383) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Functionnaly equivalent to https://github.com/OSGeo/proj.4/pull/371 by Jürgen Fischer See http://crs.bkg.bund.de/crseu/crs/descrtrans/BeTA/de_dhdn2etrs_beta.php Confirmed with Uwe Schmitz that free redistribution is allowed and welcome. --- nad/BETA2007.gsb | Bin 0 -> 83696 bytes nad/README | 4 ++++ src/pj_datums.c | 3 ++- 3 files changed, 6 insertions(+), 1 deletion(-) create mode 100644 nad/BETA2007.gsb diff --git a/nad/BETA2007.gsb b/nad/BETA2007.gsb new file mode 100644 index 00000000..69cd3346 Binary files /dev/null and b/nad/BETA2007.gsb differ diff --git a/nad/README b/nad/README index 884cedda..4ed6b192 100644 --- a/nad/README +++ b/nad/README @@ -70,3 +70,7 @@ WO.lla.Z --- Washington, Oregon, N. California Other grid shift files ntv1_can.dat --- Canadian NTv1 grid shift file (NAD27-->NAD83) ntf_r93.gsb --- French NTv2 grid shift file (NTF-->RGF93) +BETA2007.gsb --- German NTv2 grid shift file (DE_DHDN-->ETRS89) : + http://crs.bkg.bund.de/crseu/crs/descrtrans/BeTA/de_dhdn2etrs_beta.php + Confirmed with Uwe Schmitz that free + redistribution is allowed and welcome. diff --git a/src/pj_datums.c b/src/pj_datums.c index 48c77c69..f084f9cc 100644 --- a/src/pj_datums.c +++ b/src/pj_datums.c @@ -47,7 +47,8 @@ C_NAMESPACE_VAR const struct PJ_DATUMS pj_datums[] = { {"NAD27", "nadgrids=@conus,@alaska,@ntv2_0.gsb,@ntv1_can.dat", "clrk66", "North_American_Datum_1927"}, -{"potsdam", "towgs84=598.1,73.7,418.2,0.202,0.045,-2.455,6.7", +{"potsdam", /*"towgs84=598.1,73.7,418.2,0.202,0.045,-2.455,6.7",*/ + "nadgrids=@BETA2007.gsb", "bessel", "Potsdam Rauenberg 1950 DHDN"}, {"carthage","towgs84=-263.0,6.0,431.0", "clrk80ign", -- cgit v1.2.3