[GRASS-user] New page IGNF register and shift grid NTF/RGF93

Thibault Lemaitre thibault.lemaitre at laposte.net
Thu Dec 2 10:55:58 EST 2010

I updated the tutorial in question. There was some problem in the 
previous version : the modification of the PROJ_INFO file was not good 
and the grid file needs to be in the nad directory of GRASS. The method 
explained by the tutorial, needs the administrator rights on Linux.

Somebody knows more about the nadgrids specification in the PROJ_INFO 
file ? I mean, how to set a grid which is not in the nad directory of 
GRASS ? If there is this possibility, a simple normal user would be able 
to that.

I also created the French version of this tutorial. The French are 
welcome for the translation : 

Thanks for your feedback,

Le 23/11/2010 09:23, Vincent Bain a écrit :
> Thibault,
> closely concerned by this item, I'll soon try to have a glance at your
> page. I have a set of test-data available in both NTF and RGF93 systems,
> and Circé to validate back&  forth shiftings. Thank you for this
> contribution !
> Vincent.
> Le lundi 22 novembre 2010 à 21:10 +0100, Thibault Lemaitre a écrit :
>> Hello,
>> I wrote a new page on the wiki (url :
>> http://grass.osgeo.org/wiki/IGNF_register_and_shift_grid_NTF/RGF93).
>> It's a tutorial to well use the French projection systems. Could you
>> look and make some feedbacks, comments, modifications if it's necessary?
>> People who want to do a French translation are welcome (I will begin
>> this soon).
>> Grassly,
>> Thibault
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