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#!/usr/bin/perl -w
# Example contributed by Michael R. Davis, see after __END__
use strict;
use warnings;
use Geo::Proj4 ();
my $epsg = 26985;
my $proj = Geo::Proj4->new(init => "epsg:$epsg")
or die "cannot use EPSG 26985: ",Geo::Proj4->error, "\n";
my ($x, $y) = (401717.80, 130013.88);
my ($lat, $lon) = $proj->inverse($x, $y);
print " x: $x\n y: $y\nlat: $lat\nlon: $lon\n";
__END__
Proj4 EPSG Example
Convert SPCS83 Maryland zone (meters) to Latitude and Longitude
Projection Input:
Code - CRS: 26985
CRS Name: NAD83 / Maryland
CRS Type: projected
Coord Sys code: 4499
CS Type: Cartesian
Dimension: 2
Remarks: Used in projected and engineering coordinate reference systems.
CRS Name: NAD83
Datum Name: North American Datum 1983
Datum Origin: Origin at geocentre.
Ellipsoid Name: GRS 1980
Ellipsoid Unit: metre
Coord Operation Name: SPCS83 Maryland zone (meters)
Coord Op Method Name: Lambert Conic Conformal (2SP)
Output
Unprojected Latitude and Longitude, probably with GRS80 ellipsoids.
Copyright
Copyright 2007 Michael R. Davis
License
MIT, BSD, Perl, or GPL
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