[mapserver-users] PROJECTIONS WGS84 TMERC

[Jaime Mejía]

Hello list,
I've got a map in plain coordinates, datum:bogota
(International Ellipsoid 1924, origin: 74d4.8550002'w, 4d35.9428332'n)
And I've got GPS's points in WGS84.
I want to display the GPS's points over the map with datum Bogota.
My problem is that points seems to be 500mts displaced aprox.
What sould I be doing wrong?
----------------
My map definition:
----------------
UNITS METERS
PROJECTION
  "proj=tmerc"
  "a=6378388"
  "rf=297"
#  "ellps=WGS84"
  "k=0.9996"
  "x_0=1000000"
  "y_0=1000000"
  "lon_0=74d4.8550002'w"
  "lat_0=4d35.9428332'n"
  "no_defs"
END
----------------
My GPS Layer definition:
----------------
PROJECTION
    "proj=longlat"
    "ellps=WGS84"
#        "units=dd"
END

Thanks in advance,

-- 
Cordial Saludo,

MAIN TASK

Jaime Mejía Molina
www.main-task.com
Teléfono 3690760
Móvil 2441490
CL 28 # 35-67 of 204
Bogotá D. C.