#!/usr/bin/perl use strict; use warnings; use Geo::Proj4; my $proj = Geo::Proj4->new( proj => "utm", zone => 10 ); my ($x, $y) = $proj->forward(38.40342, -122.81856); print "conversion to UTM: y is $y\n"; print "conversion to UTM: x is $x\n"; my ($lat, $long) = $proj->inverse($x, $y); print "inverse conversion: lat is $lat \n" ; print "inverse conversion: long is $long \n" ;