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| -rw-r--r-- | fr_ign/README.fr_ign | 12 | ||||
| -rw-r--r-- | fr_ign/gr3df97a.tif | bin | 0 -> 99742 bytes |
2 files changed, 11 insertions, 1 deletions
diff --git a/fr_ign/README.fr_ign b/fr_ign/README.fr_ign index 798bc1f..4981a79 100644 --- a/fr_ign/README.fr_ign +++ b/fr_ign/README.fr_ign @@ -5,7 +5,7 @@ from [IGN](http://www.ign.fr/) ## Included grids -### France: NTF -> RGF93 +### France: NTF -> RGF93 (using geographic offset correction) Grid transformation from NTF to RGF93 in France. @@ -15,6 +15,16 @@ Grid transformation from NTF to RGF93 in France. * ntf_r93.tif +### France: NTF -> RGF93 (using Geocentric correction) + +Grid transformation from NTF to RGF93 in France. + +*Source*: [IGN](http://www.ign.fr/) +*Format*: GeoTIFF converted from gr3df97a.txt +*License*: [License Ouverte (in French)](https://www.etalab.gouv.fr/wp-content/uploads/2017/04/ETALAB-Licence-Ouverte-v2.0.pdf) / [Open License (English translation)](https://www.etalab.gouv.fr/wp-content/uploads/2014/05/Open_Licence.pdf) + +* gr3df97a.tif + ### French vertical grids *Source*: [IGN France](https://geodesie.ign.fr/index.php?page=grilles) diff --git a/fr_ign/gr3df97a.tif b/fr_ign/gr3df97a.tif Binary files differnew file mode 100644 index 0000000..8ac7058 --- /dev/null +++ b/fr_ign/gr3df97a.tif |