| Auto Universal Transverse Mercator (
AUTO:42001 ).
In the notation below, "${var}" denotes a reference to the value of a variable
"
var ". The variables "
lat0 " and "
lon0 " are the central point of the
projection appearing in the CRS parameter of the map request. The coordinate operation method
uses ellipsoidal formulas.
PROJCS["WGS 84 / Auto UTM",
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS_1984", 6378137, 298.257223563]],
PRIMEM["Greenwich", 0],
UNIT["Decimal_Degree", 0.0174532925199433]],
PROJECTION["Transverse_Mercator"],
PARAMETER["Latitude_of_Origin", 0],
PARAMETER["Central_Meridian", ${central_meridian}],
PARAMETER["False_Easting", 500000],
PARAMETER["False_Northing", ${false_northing}],
PARAMETER["Scale_Factor", 0.9996],
UNIT["Meter", 1]]
Where:
${zone} = min( floor( (${lon0} + 180.0) / 6.0 ) + 1, 60 )
${central_meridian} = -183.0 + ${zone} * 6.0
${false_northing} = (${lat0} >= 0.0) ? 0.0 : 10000000.0
version:
$Id: Auto42001.java 20874 2006-08-07 10:00:01Z jgarnett $
author:
Jody Garnett
author:
Rueben Schulz
author:
Martin Desruisseaux |
