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Faster support generation. Includes a new implementation of the Douglas-Peucker algorithm

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Alessandro Ranellucci
2012-02-25 14:46:21 +01:00
parent 94e673e050
commit eba7c10018
9 changed files with 166 additions and 183 deletions
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29
t/clean_polylines.t
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@@ -2,7 +2,7 @@ use Test::More;
use strict;
use warnings;
plan tests => 3;
plan tests => 6;
BEGIN {
use FindBin;
@@ -20,6 +20,22 @@ use Slic3r;
is scalar(@$polygon), 3, 'merge_continuous_lines';
}
{
my $polyline = Slic3r::Polyline->new([
[0,0],[1,0],[2,0],[2,1],[2,2],[1,2],[0,2],[0,1],[0,0],
]);
$polyline->simplify(1);
is_deeply $polyline, [ [0, 0], [2, 0], [2, 2], [0, 2], [0, 0] ], 'Douglas-Peucker';
}
{
my $polyline = Slic3r::Polyline->new([
[0,0],[0.5,0.5],[1,0],[1.25,-0.25],[1.5,.5],
]);
$polyline->simplify(0.25);
is_deeply $polyline, [ [0, 0], [0.5, 0.5], [1.25, -0.25], [1.5, 0.5] ], 'Douglas-Peucker';
}
{
my $gear = [
[144.9694,317.1543], [145.4181,301.5633], [146.3466,296.921], [131.8436,294.1643], [131.7467,294.1464],
@@ -57,13 +73,10 @@ use Slic3r;
note sprintf "original points: %d\nnew points: %d", scalar(@$gear), scalar(@$polygon);
ok @$polygon < @$gear, 'gear was simplified using merge_continuous_lines';
# simplify() is not being used, so we don't test it
if (0) {
my $num_points = scalar @$polygon;
$polygon->simplify;
note sprintf "original points: %d\nnew points: %d", $num_points, scalar(@$polygon);
ok @$polygon < $num_points, 'gear was further simplified using Douglas-Peucker';
}
my $num_points = scalar @$polygon;
$polygon->simplify;
note sprintf "original points: %d\nnew points: %d", $num_points, scalar(@$polygon);
ok @$polygon < $num_points, 'gear was further simplified using Douglas-Peucker';
}
{