[Geotiff] Gauss Schreiber Transverse Mercator

[Jean-Claude Repetto]

Le 10/11/2010 22:38, Jean-Claude REPETTO a écrit :
> On 11/10/10 20:03, Frank Warmerdam wrote:
>
>> I see this definition for PROJ.4 that may be a match:
>>
>> <REUN47GAUSSL>  +title=Reunion Gauss Laborde +proj=gstmerc
>> +towgs84=789.5240,-626.4860,-89.9040,0.6006,76.7946,-10.5788,-32.324100
>> +a=6378388.0000 +rf=297.0000000000000 +lat_0=-21.116666667
>> +lon_0=55.533333333 +k_0=1.00000000 +x_0=160000.000 +y_0=50000.000
>> +units=m +no_defs<>
>>
>> I do not see any CT_ code that likely corresponds with Gauss Schreiber
>> Transverse Mercator in the geo_ctrans.inc file so the short answer seems
>> to be "no", there is no accepted way of representing this projection
>> method.
>
> It seems that there is a patch waiting in a GDAL Trac ticket, that
> should add this missing support :
> http://trac.osgeo.org/gdal/ticket/2664
>
> Could you apply it ?

Hello,

I have found that GDAL supports this projection, its name is :
Gauss_Schreiber_Transverse_Mercator .

Best regards,
Jean-Claude