[Proj] convert from LatLong to transverse mercator LUREF

Frank Warmerdam warmerdam at pobox.com
Tue Oct 18 11:56:05 EDT 2005


On 10/18/05, Ulrich Leopold <uleopold at science.uva.nl> wrote:
> Dear list,
>
> I am new to the proj conversion tools and would appreciate very much if
> someone could help me to solve my problem. I would like to convert geodetic
> coordinates to a transverse mercator projection for Luxembourg.
>
> I have the following coordinates:
>
> Latitude: 49d34'17".60287N
> Longitude: 5d55'50".69323E
>
> And want to convert them into:
>
> X (North) 70910.00
> Y (East)  62935.00

Ulrich,

cs2cs +proj=latlong +ellps=intl +to +proj=tmerc +x_0=80000 +y_0=100000
+lon_0=6d10 +lat_0=49d50 +ellps=intl +k=1
5d55'50.69 49d34'17.60
62934.93        70909.91 0.00

Seems like pretty good agreement.

> This is the additional information for the projection:
>
> 1. National Datum Ellipsoid Parameters:
>
> Semi-Major Axis  a (m) : 6378388 m
> Semi-Minor Axis  b (m) : 6356911.946 m
> Flattening 1/f : 1/297
> Eccentricity e2 : 0.006768170197
> Ellipsoid : HAYFORD INTERNATIONAL 1924
> Fundamental point (Laplace-point): Habay-la-Neuve (Belgium)
>
>
> 2. Details of the Luxemburg Projection System:
>
> Name : Projection Gauss Luxembourg
> Generic Projection Type : Transverse Mercator
>
> Projection Parameters :
>
> Longitude of Central Meridian : 6° 10' East of Greenwich
> Central Meridian Scale Factor :  1
> Longitude of Origin : 6° 10' East of Greenwich
> Latitude of Origin : 49° 50' North of Equator
>
> False Origin:
> Position of False Easting :       80 000 m
> Position of false Northing :     100 000 m

>


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