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#!/usr/bin/perl -w
# Copyright 2011, 2012, 2013, 2014 Kevin Ryde
# This file is part of Math-PlanePath.
#
# Math-PlanePath is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any later
# version.
#
# Math-PlanePath is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with Math-PlanePath. If not, see <http://www.gnu.org/licenses/>.
# Usage: perl pythagorean-tree.pl
#
# Print tree diagrams used in the Math::PlanePath::PythagoreanTree docs.
#
use 5.010;
use strict;
use Math::PlanePath::PythagoreanTree;
foreach my $tree_type ('UAD','UArD','FB','UMT') {
my $str = <<"HERE";
tree_type => "$tree_type"
+-> 00005
+-> 00002 --+-> 00006
| +-> 00007
|
| +-> 00008
001 --+-> 00003 --+-> 00009
| +-> 00010
|
| +-> 00011
+-> 00004 --+-> 00012
+-> 00013
HERE
my $path = Math::PlanePath::PythagoreanTree->new(tree_type => $tree_type,
coordinates => 'AB');
$str =~ s{(\d+)}
{
my ($x,$y) = $path->n_to_xy($1);
my $len = length($1);
sprintf '%-*s', $len, "$x,$y";
}ge;
print $str;
}
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