#!/usr/bin/env perl
use strict;
use warnings;
use Test::More tests => 11;
use lib '../lib', 'lib';
use Math::Polygon::Transform;
use Math::Polygon::Calc qw/polygon_string/;
###
### SAME
###
my @p = ([0,0], [0,0], [1,1], [2,2], [2.1, 2.1], [1.9, 1.85], [0,0.1], [0,0]);
is( polygon_string(polygon_simplify @p)
, "[0,0], [1,1], [2,2], [2.1,2.1], [1.9,1.85], [0,0.1], [0,0]"
, 'default'
);
is( polygon_string(polygon_simplify same => 0.15, @p)
, "[0,0.05], [1,1], [2.05,2.05], [1.9,1.85], [0,0.05]"
, 'resolution 0.11'
);
is( polygon_string(polygon_simplify same => 0.25, @p)
, "[0,0.05], [1,1], [1.975,1.95], [0,0.05]"
, 'resolution 0.11'
);
pop @p; # @p now not a ring anymore
is( polygon_string(polygon_simplify @p)
, "[0,0], [1,1], [2,2], [2.1,2.1], [1.9,1.85], [0,0.1]"
, 'default no ring'
);
is( polygon_string(polygon_simplify same => 0.15, @p)
, "[0,0], [1,1], [2.05,2.05], [1.9,1.85], [0,0.1]"
, 'resolution 0.11 no ring'
);
is( polygon_string(polygon_simplify same => 0.25, @p)
, "[0,0], [1,1], [1.975,1.95], [0,0.1]"
, 'resolution 0.11 no ring'
);
###
### SLOPE
###
my @q = ( [0,1],[0,4],[4,5],[7,4],[7,1],[3,0],[0,1] );
is( polygon_string(polygon_simplify @q)
, "[0,1], [0,4], [4,5], [7,4], [7,1], [3,0], [0,1]"
, 'identity'
);
is( polygon_string(polygon_simplify slope => 1, @q)
, "[0,1], [0,4], [7,4], [7,1], [0,1]"
, 'identity'
);
###
### Z shape in slope
###
my @r = ( [1,1], [1,4], [1,2], [1,5] );
is( polygon_string(polygon_simplify slope => 0.001, @r)
, "[1,1], [1,5]"
, 'simple'
);
###
### Remove blunt angles
###
my @s = ( [0,0], [1,3], [4,3], [5,0], [4,-3], [1,-3], [0,0] );
is( polygon_string(polygon_simplify max_points => 4, @s)
, "[1,3], [4,3], [4,-3], [1,-3], [1,3]"
, 'max 4 (ring => 5 left)'
);
pop @s;
is( polygon_string(polygon_simplify max_points => 5, @s)
, "[0,0], [1,3], [4,3], [4,-3], [1,-3]"
, 'max 5 (no ring)'
);