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added generic test function for "is surface solid filled"

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This commit is contained in:
Joseph Lenox 2018-07-31 23:18:47 -05:00
parent bc8d46116c
commit 88161fac5a
1 changed files with 72 additions and 66 deletions
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138
src/test/libslic3r/test_fill.cpp
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@ -8,6 +8,7 @@
using namespace Slic3r; using namespace Slic3r;
using namespace Slic3r::Geometry; using namespace Slic3r::Geometry;
bool test_if_solid_surface_filled(const ExPolygon& expolygon, double flow_spacing, double angle = 0, double density = 1.0);
TEST_CASE("Fill: adjusted solid distance") { TEST_CASE("Fill: adjusted solid distance") {
Print print; Print print;
@ -83,7 +84,7 @@ TEST_CASE("Fill: Pattern Path Length") {
} }
} }
} }
SECTION("Rotated Square") { SECTION("Regression: Missing infill segments in some rare circumstances") {
filler->angle = (PI/4.0); filler->angle = (PI/4.0);
filler->dont_adjust = false; filler->dont_adjust = false;
filler->min_spacing = 0.654498; filler->min_spacing = 0.654498;
@ -102,76 +103,47 @@ TEST_CASE("Fill: Pattern Path Length") {
REQUIRE(std::abs(paths[0].length() - static_cast<double>(scale_(3*100 + 2*50))) - SCALED_EPSILON > 0); // path has expected length REQUIRE(std::abs(paths[0].length() - static_cast<double>(scale_(3*100 + 2*50))) - SCALED_EPSILON > 0); // path has expected length
} }
SECTION("Rotated Square") {
Points square { Point::new_scale(0,0), Point::new_scale(50,0), Point::new_scale(50,50), Point::new_scale(0,50)};
ExPolygon expolygon(square);
auto filler {Slic3r::Fill::new_from_type("rectilinear")};
filler->bounding_box = expolygon.bounding_box();
filler->angle = 0;
auto surface {Surface(stTop, expolygon)};
auto flow {Slic3r::Flow(0.69, 0.4, 0.50)};
filler->min_spacing = flow.spacing();
filler->density = 1.0;
for (auto angle : { 0.0, 45.0}) {
surface.expolygon.rotate(angle, Point(0,0));
auto paths {filler->fill_surface(surface)};
REQUIRE(paths.size() == 1);
}
}
SECTION("Solid surface fill") {
Points points {
Point::new_scale(6883102, 9598327.01296997),
Point::new_scale(6883102, 20327272.01297),
Point::new_scale(3116896, 20327272.01297),
Point::new_scale(3116896, 9598327.01296997)
};
ExPolygon expolygon(points);
REQUIRE(test_if_solid_surface_filled(expolygon, 0.55) == true);
for (size_t i = 0; i <= 20; ++i)
{
expolygon.scale(1.05);
REQUIRE(test_if_solid_surface_filled(expolygon, 0.55) == true);
}
}
} }
/* /*
{
my $expolygon = Slic3r::ExPolygon->new([ scale_points [0,0], [50,0], [50,50], [0,50] ]);
my $filler = Slic3r::Filler->new_from_type('rectilinear');
$filler->set_bounding_box($expolygon->bounding_box);
$filler->set_angle(0);
my $surface = Slic3r::Surface->new(
surface_type => S_TYPE_TOP,
expolygon => $expolygon,
);
my $flow = Slic3r::Flow->new(
width => 0.69,
height => 0.4,
nozzle_diameter => 0.50,
);
$filler->set_min_spacing($flow->spacing);
$filler->set_density(1);
foreach my $angle (0, 45) {
$surface->expolygon->rotate(Slic3r::Geometry::deg2rad($angle), [0,0]);
my $paths = $filler->fill_surface($surface, layer_height => 0.4, density => 0.4);
is scalar @$paths, 1, 'one continuous path';
}
}
{ {
my $test = sub {
my ($expolygon, $flow_spacing, $angle, $density) = @_;
my $filler = Slic3r::Filler->new_from_type('rectilinear');
$filler->set_bounding_box($expolygon->bounding_box);
$filler->set_angle($angle // 0);
$filler->set_dont_adjust(0);
my $surface = Slic3r::Surface->new(
surface_type => S_TYPE_BOTTOM,
expolygon => $expolygon,
);
my $flow = Slic3r::Flow->new(
width => $flow_spacing,
height => 0.4,
nozzle_diameter => $flow_spacing,
);
$filler->set_min_spacing($flow->spacing);
my $paths = $filler->fill_surface(
$surface,
layer_height => $flow->height,
density => $density // 1,
);
# check whether any part was left uncovered
my @grown_paths = map @{Slic3r::Polyline->new(@$_)->grow(scale $filler->spacing/2)}, @$paths;
my $uncovered = diff_ex([ @$expolygon ], [ @grown_paths ], 1);
# ignore very small dots
@$uncovered = grep $_->area > (scale $flow_spacing)**2, @$uncovered;
is scalar(@$uncovered), 0, 'solid surface is fully filled';
if (0 && @$uncovered) {
require "Slic3r/SVG.pm";
Slic3r::SVG::output(
"uncovered.svg",
expolygons => [$expolygon],
red_expolygons => $uncovered,
polylines => $paths,
);
exit;
}
};
my $expolygon = Slic3r::ExPolygon->new([ my $expolygon = Slic3r::ExPolygon->new([
[6883102, 9598327.01296997], [6883102, 9598327.01296997],
@ -433,3 +405,37 @@ for my $pattern (qw(rectilinear honeycomb hilbertcurve concentric)) {
} }
*/ */
bool test_if_solid_surface_filled(const ExPolygon& expolygon, double flow_spacing, double angle, double density) {
auto* filler {Slic3r::Fill::new_from_type("rectilinear")};
filler->bounding_box = expolygon.bounding_box();
filler->angle = angle;
filler->dont_adjust = false;
Surface surface(stBottom, expolygon);
Flow flow(flow_spacing, 0.4, flow_spacing);
filler->min_spacing = flow.spacing();
Polylines paths {filler->fill_surface(surface)};
// check whether any part was left uncovered
Polygons grown_paths;
grown_paths.reserve(paths.size());
// figure out what is actually going on here re: data types
std::for_each(paths.begin(), paths.end(), [filler, &grown_paths] (const Polyline& p) {
polygons_append(grown_paths, p.grow(scale_(filler->spacing() / 2.0)));
});
ExPolygons uncovered = diff_ex(expolygon, grown_paths, true);
// ignore very small dots
const auto scaled_flow_spacing { std::pow(scale_(flow_spacing), 2) };
auto iter {std::remove_if(uncovered.begin(), uncovered.end(), [scaled_flow_spacing] (const ExPolygon& poly) {
return poly.area() > scaled_flow_spacing;
}) };
uncovered.erase(iter, uncovered.end());
return uncovered.size() == 0; // solid surface is fully filled
}