Converts coordinates from NTF (Nouvelle Triangulation de la France) to RGF93 (Réseau Géodesique Français) using a grid file defined by IGN (the French National Geographical Institute). The file is named gr3df97a.txt, and it can be downloaded from our website (http://www.bluemarblegeo.com/products/geocalcc.php?op=download). The default grid file assumes a Greenwich prime meridian.
The "NTFToRGF93" DatumShift has the following Parameters:
|
Parameter Name |
Parameter String |
Units |
|
Path and file name for gr3df97a.txt |
file |
String |