#! /usr/bin/perl -w
# Toby Thurston -- 07 Oct 2015
# Find all the 000 000 grid references that are on a map
use strict;
use Geo::Coordinates::OSGB::Grid "format_grid_map";
my @out = ();
print 'A: Landranger B: Explorer C: One-inch', "\n";
for my $n (0 .. 12) {
for my $e (0 .. 7) {
my ($sq, undef, undef, @sheets) = format_grid_map($e*100000, $n*100000, {series => 'ABC'});
next unless @sheets;
push @out, "$sq 000 000 is on @sheets\n";
}
}
print sort @out;