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Added several test cases for degenerated Voronoi diagrams extracted from #8446, #8846 and #9357.

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Lukáš Hejl 2023-01-11 15:54:07 +01:00
parent 22091a9e3e
commit 3bf6714d52
1 changed files with 205 additions and 1 deletions
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204
tests/libslic3r/test_arachne.cpp
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@ -486,3 +486,207 @@ TEST_CASE("Arachne - #8849 - Missing part of model", "[ArachneMissingPart8849]")
// Total extrusion length should be around 30mm when the part is missing and around 120 when everything is ok. // Total extrusion length should be around 30mm when the part is missing and around 120 when everything is ok.
// REQUIRE(total_extrusion_length >= scaled<int64_t>(120.)); // REQUIRE(total_extrusion_length >= scaled<int64_t>(120.));
} }
// This test case was distilled from GitHub issue #8446.
// Boost Voronoi generator produces non-planar Voronoi diagram with two intersecting linear Voronoi edges.
// Those intersecting edges are causing that perimeters are also generated in places where they shouldn't be.
TEST_CASE("Arachne - #8446 - Degenerated Voronoi diagram - Linear edges", "[ArachneDegeneratedDiagram8446LinearEdges]") {
Polygon poly_0 = {
Point( 42240656, 9020315),
Point( 4474248, 42960681),
Point( -4474248, 42960681),
Point( -4474248, 23193537),
Point( -6677407, 22661038),
Point( -8830542, 21906307),
Point( -9702935, 21539826),
Point(-13110431, 19607811),
Point(-18105334, 15167780),
Point(-20675743, 11422461),
Point(-39475413, 17530840),
Point(-42240653, 9020315)
};
Polygons polygons = {poly_0};
coord_t ext_perimeter_spacing = 407079;
coord_t perimeter_spacing = 407079;
coord_t inset_count = 1;
Arachne::WallToolPaths wall_tool_paths(polygons, ext_perimeter_spacing, perimeter_spacing, inset_count, 0, 0.2, PrintObjectConfig::defaults(), PrintConfig::defaults());
wall_tool_paths.generate();
std::vector<Arachne::VariableWidthLines> perimeters = wall_tool_paths.getToolPaths();
#ifdef ARACHNE_DEBUG_OUT
export_perimeters_to_svg(debug_out_path("arachne-degenerated-diagram-8446-linear-edges.svg"), polygons, perimeters, union_ex(wall_tool_paths.getInnerContour()));
#endif
int64_t total_extrusion_length = 0;
for (Arachne::VariableWidthLines &perimeter : perimeters)
for (Arachne::ExtrusionLine &extrusion_line : perimeter)
total_extrusion_length += extrusion_line.getLength();
// Total extrusion length should be around 211.2mm when the part is ok and 212.1mm when it has perimeters in places where they shouldn't be.
REQUIRE(total_extrusion_length <= scaled<int64_t>(211.5));
}
// This test case was distilled from GitHub issue #8846.
// Boost Voronoi generator produces degenerated Voronoi diagram with one parabolic edge intersecting linear Voronoi edge.
// Those intersecting edges are causing that perimeters are also generated in places where they shouldn't be.
TEST_CASE("Arachne - #8846 - Degenerated Voronoi diagram - One Parabola", "[ArachneDegeneratedDiagram8846OneParabola]") {
const Polygon poly_0 = {
Point(101978540, -41304489), Point(101978540, 41304489),
Point(94709788, 42514051), Point(94709788, 48052315),
Point(93352716, 48052315), Point(93352716, 42514052),
Point(75903540, 42514051), Point(75903540, 48052315),
Point(74546460, 48052315), Point(74546460, 42514052),
Point(69634788, 42514051), Point(69634788, 48052315),
Point(68277708, 48052315), Point(68277708, 42514051),
Point(63366040, 42514051), Point(63366040, 48052315),
Point(62008960, 48052315), Point(62008960, 42514051),
Point(57097292, 42514051), Point(57097292, 48052315),
Point(55740212, 48052315), Point(55740212, 42514052),
Point(50828540, 42514052), Point(50828540, 48052315),
Point(49471460, 48052315), Point(49471460, 42514051),
Point(25753540, 42514051), Point(25753540, 48052315),
Point(24396460, 48052315), Point(24396460, 42514051),
Point(19484790, 42514052), Point(19484790, 48052315),
Point(18127710, 48052315), Point(18127710, 42514051),
Point(-5590210, 42514051), Point(-5590210, 48052315),
Point(-6947290, 48052315), Point(-6947290, 42514051),
Point(-11858960, 42514051), Point(-11858960, 48052315),
Point(-13216040, 48052315), Point(-13216040, 42514051),
Point(-18127710, 42514051), Point(-18127710, 48052315),
Point(-19484790, 48052315), Point(-19484790, 42514052),
Point(-49471460, 42514051), Point(-49471460, 48052315),
Point(-50828540, 48052315), Point(-50828540, 42514052),
Point(-55740212, 42514052), Point(-55740212, 48052315),
Point(-57097292, 48052315), Point(-57097292, 42514051),
Point(-68277708, 42514051), Point(-68277708, 48052315),
Point(-69634788, 48052315), Point(-69634788, 42514051),
Point(-74546460, 42514052), Point(-74546460, 48052315),
Point(-75903540, 48052315), Point(-75903540, 42514051),
Point(-80815204, 42514051), Point(-80815204, 48052315),
Point(-82172292, 48052315), Point(-82172292, 42514051),
Point(-87083956, 42514051), Point(-87083956, 48052315),
Point(-88441044, 48052315), Point(-88441044, 42514051),
Point(-99621460, 42514051), Point(-99621460, 48052315),
Point(-100978540, 48052315), Point(-100978540, 42528248),
Point(-101978540, 41304489), Point(-101978540, -41304489),
Point(-100978540, -48052315), Point(-99621460, -48052315),
};
Polygon poly_1 = {
Point(-100671460, -40092775),
Point(-100671460, 40092775),
Point(100671460, 40092775),
Point(100671460, -40092775),
};
Polygons polygons = {poly_0, poly_1};
coord_t ext_perimeter_spacing = 607079;
coord_t perimeter_spacing = 607079;
coord_t inset_count = 1;
Arachne::WallToolPaths wall_tool_paths(polygons, ext_perimeter_spacing, perimeter_spacing, inset_count, 0, 0.2, PrintObjectConfig::defaults(), PrintConfig::defaults());
wall_tool_paths.generate();
std::vector<Arachne::VariableWidthLines> perimeters = wall_tool_paths.getToolPaths();
#ifdef ARACHNE_DEBUG_OUT
export_perimeters_to_svg(debug_out_path("arachne-degenerated-diagram-8846-one-parabola.svg"), polygons, perimeters, union_ex(wall_tool_paths.getInnerContour()));
#endif
int64_t total_extrusion_length = 0;
for (Arachne::VariableWidthLines &perimeter : perimeters)
for (Arachne::ExtrusionLine &extrusion_line : perimeter)
total_extrusion_length += extrusion_line.getLength();
// Total extrusion length should be around 1335mm when the part is ok and 1347mm when it has perimeters in places where they shouldn't be.
REQUIRE(total_extrusion_length <= scaled<int64_t>(1335.));
}
// This test case was distilled from GitHub issue #9357.
// Boost Voronoi generator produces degenerated Voronoi diagram with two intersecting parabolic Voronoi edges.
// Those intersecting edges are causing that perimeters are also generated in places where they shouldn't be.
TEST_CASE("Arachne - #9357 - Degenerated Voronoi diagram - Two parabolas", "[ArachneDegeneratedDiagram9357TwoParabolas]") {
const Polygon poly_0 = {
Point(78998946, -11733905),
Point(40069507, -7401251),
Point(39983905, -6751055),
Point(39983905, 8251054),
Point(79750000, 10522762),
Point(79983905, 10756667),
Point(79983905, 12248946),
Point(79950248, 12504617),
Point(79709032, 12928156),
Point(79491729, 13102031),
Point(78998946, 13233905),
Point(38501054, 13233905),
Point(37258117, 12901005),
Point(36349000, 11991885),
Point(36100868, 11392844),
Point(36016095, 10748947),
Point(36016095, -6751054),
Point(35930493, -7401249),
Point(4685798, -11733905),
};
Polygons polygons = {poly_0};
coord_t ext_perimeter_spacing = 407079;
coord_t perimeter_spacing = 407079;
coord_t inset_count = 1;
Arachne::WallToolPaths wall_tool_paths(polygons, ext_perimeter_spacing, perimeter_spacing, inset_count, 0, 0.2, PrintObjectConfig::defaults(), PrintConfig::defaults());
wall_tool_paths.generate();
std::vector<Arachne::VariableWidthLines> perimeters = wall_tool_paths.getToolPaths();
#ifdef ARACHNE_DEBUG_OUT
export_perimeters_to_svg(debug_out_path("arachne-degenerated-diagram-9357-two-parabolas.svg"), polygons, perimeters, union_ex(wall_tool_paths.getInnerContour()));
#endif
int64_t total_extrusion_length = 0;
for (Arachne::VariableWidthLines &perimeter : perimeters)
for (Arachne::ExtrusionLine &extrusion_line : perimeter)
total_extrusion_length += extrusion_line.getLength();
// Total extrusion length should be around 256mm when the part is ok and 293mm when it has perimeters in places where they shouldn't be.
REQUIRE(total_extrusion_length <= scaled<int64_t>(256.));
}
// This test case was distilled from GitHub issue #8846.
// Boost Voronoi generator produces degenerated Voronoi diagram with some Voronoi edges intersecting input segments.
// Those Voronoi edges intersecting input segments are causing that perimeters are also generated in places where they shouldn't be.
TEST_CASE("Arachne - #8846 - Degenerated Voronoi diagram - Voronoi edges intersecting input segment", "[ArachneDegeneratedDiagram8846IntersectingInputSegment]") {
const Polygon poly_0 = {
Point( 60000000, 58000000),
Point(-20000000, 53229451),
Point( 49312250, 53229452),
Point( 49443687, 53666225),
Point( 55358348, 50908580),
Point( 53666223, 49443687),
Point( 53229452, 49312250),
Point( 53229452, -49312250),
Point( 53666014, -49443623),
Point(-10000000, -58000000),
Point( 60000000, -58000000),
};
Polygons polygons = {poly_0};
coord_t ext_perimeter_spacing = 407079;
coord_t perimeter_spacing = 407079;
coord_t inset_count = 1;
Arachne::WallToolPaths wall_tool_paths(polygons, ext_perimeter_spacing, perimeter_spacing, inset_count, 0, 0.32, PrintObjectConfig::defaults(), PrintConfig::defaults());
wall_tool_paths.generate();
std::vector<Arachne::VariableWidthLines> perimeters = wall_tool_paths.getToolPaths();
#ifdef ARACHNE_DEBUG_OUT
export_perimeters_to_svg(debug_out_path("arachne-degenerated-diagram-8846-intersecting-input-segment.svg"), polygons, perimeters, union_ex(wall_tool_paths.getInnerContour()));
#endif
int64_t total_extrusion_length = 0;
for (Arachne::VariableWidthLines &perimeter : perimeters)
for (Arachne::ExtrusionLine &extrusion_line : perimeter)
total_extrusion_length += extrusion_line.getLength();
// Total extrusion length should be around 500mm when the part is ok and 680mm when it has perimeters in places where they shouldn't be.
REQUIRE(total_extrusion_length <= scaled<int64_t>(500.));
}