#include #include #include #include #include #include #include #include // #define VORONOI_DEBUG_OUT #ifdef VORONOI_DEBUG_OUT #include #endif using boost::polygon::voronoi_builder; using boost::polygon::voronoi_diagram; using namespace Slic3r; using VD = Geometry::VoronoiDiagram; // https://svn.boost.org/trac10/ticket/12067 // This bug seems to be confirmed. // Vojtech supposes that there may be no Voronoi edges produced for // the 1st and last sweep line positions. TEST_CASE("Voronoi missing edges - points 12067", "[Voronoi]") { Points pts { { -10, -20 }, { 10, -20 }, { 5, 0 }, { 10, 20 }, { -10, 20 }, { -5, 0 } }; #if 0 for (Point &p : pts) { Vec2d q = p.cast(); p.x() = scale_(p.x()); p.y() = scale_(p.y()); } #endif #if 0 // Try to rotate, maybe the issue is caused by incorrect handling of vertical or horizontal edges? double a = 0.18764587962597876897475f; double c = cos(a); double s = sin(a); for (Point &p : poly.points) { Vec2d q = p.cast(); p.x() = coord_t(q.x() * c + q.y() * s + 0.5); p.y() = coord_t(- q.x() * s + q.y() * c + 0.5); } #endif // Construction of the Voronoi Diagram. VD vd; construct_voronoi(pts.begin(), pts.end(), &vd); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-pts.svg").c_str(), vd, pts, Lines()); #endif // REQUIRE(closest_point.z() == Approx(1.)); } // https://svn.boost.org/trac10/ticket/12707 // This issue is confirmed, there are no self intersections in the polygon. // A minimal test case is created at the end of this test, // a new issue opened with the minimal test case: // https://github.com/boostorg/polygon/issues/43 TEST_CASE("Voronoi missing edges - Alessandro gapfill 12707", "[Voronoi]") { Lines lines0 { { { 42127548, 699996}, { 42127548, 10135750 } }, { { 42127548, 10135750}, { 50487352, 10135750 } }, { { 50487352, 10135750}, { 50487352, 699995 } }, { { 50487352, 699995}, { 51187348, 0 } }, { { 51187348, 0}, { 64325952, 0 } }, { { 64325952, 0}, { 64325952, 699996 } }, { { 64325952, 699996}, { 51187348, 699996 } }, { { 51187348, 699996}, { 51187348, 10835701 } }, { { 51187348, 10835701}, { 41427552, 10835701 } }, { { 41427552, 10835701}, { 41427552, 699996 } }, { { 41427552, 699996}, { 28664848, 699996 } }, { { 28664848, 699996}, { 28664848, 10835701 } }, { { 28664848, 10835701}, { 19280052, 10835701 } }, { { 19280052, 10835701}, { 27964852, 699996 } }, { { 27964852, 699996}, { 28664848, 0 } }, { { 28664848, 0}, { 41427551, 0 } }, { { 41427551, 0}, { 42127548, 699996 } } }; Lines lines1 { { { 42127548, 699996}, { 42127548, 10135750 } }, { { 42127548, 10135750}, { 50487352, 10135750 } }, { { 50487352, 10135750}, { 50487352, 699995 } }, { { 50487352, 699995}, { 51187348, 0 } }, { { 51187348, 0}, { 51187348, 10835701 } }, { { 51187348, 10835701}, { 41427552, 10835701 } }, { { 41427552, 10835701}, { 41427552, 699996 } }, { { 41427552, 699996}, { 28664848, 699996 } }, { { 28664848, 699996}, { 28664848, 10835701 } }, { { 28664848, 10835701}, { 19280052, 10835701 } }, { { 19280052, 10835701}, { 27964852, 699996 } }, { { 27964852, 699996}, { 28664848, 0 } }, { { 28664848, 0}, { 41427551, 0 } }, { { 41427551, 0}, { 42127548, 699996 } } }; Lines lines2 { { { 42127548, 699996}, { 42127548, 10135750 } }, { { 42127548, 10135750}, { 50487352, 10135750 } }, { { 50487352, 10135750}, { 50487352, 699995 } }, { { 50487352, 699995}, { 51187348, 0 } }, { { 51187348, 0}, { 51187348, 10835701 } }, { { 51187348, 10835701}, { 41427552, 10835701 } }, { { 41427552, 10835701}, { 41427552, 699996 } }, { { 41427552, 699996}, { 28664848, 699996 } }, { { 28664848, 699996}, { 28664848, 10835701 } }, { { 28664848, 10835701}, { 19280052, 10835701 } }, { { 19280052, 10835701}, { 28664848, 0 } }, { { 28664848, 0}, { 41427551, 0 } }, { { 41427551, 0}, { 42127548, 699996 } } }; Lines lines3 { { { 42127548, 699996}, { 42127548, 10135750 } }, { { 42127548, 10135750}, { 50487352, 10135750 } }, { { 50487352, 10135750}, { 50487352, 699995 } }, { { 50487352, 699995}, { 51187348, 0 } }, { { 51187348, 0}, { 51187348, 10835701 } }, { { 51187348, 10835701}, { 41427552, 10835701 } }, { { 41427552, 10835701}, { 41427552, 699996 } }, { { 41427552, 699996}, { 41427551, 0 } }, { { 41427551, 0}, { 42127548, 699996 } } }; Lines lines4 { { { 42127548, 699996}, { 42127548, 10135750 } }, { { 42127548, 10135750}, { 50487352, 10135750 } }, { { 50487352, 10135750}, { 50487352, 699995 } }, { { 50487352, 699995}, { 51187348, 0 } }, { { 51187348, 0}, { 51187348, 10835701 } }, { { 51187348, 10835701}, { 41427552, 10835701 } }, { { 41427552, 10835701}, { 41427551, 0 } }, { { 41427551, 0}, { 42127548, 699996 } } }; Polygon poly { { 0, 10000000}, { 700000, 1}, // it has to be 1, higher number, zero or -1 work. { 700000, 9000000}, { 9100000, 9000000}, { 9100000, 0}, {10000000, 10000000} }; #if 1 // Try to rotate, maybe the issue is caused by incorrect handling of vertical or horizontal edges? double a = 0.18764587962597876897475f; double c = cos(a); double s = sin(a); for (Point &p : poly.points) { Vec2d q = p.cast(); p.x() = coord_t(q.x() * c + q.y() * s + 0.5); p.y() = coord_t(- q.x() * s + q.y() * c + 0.5); } #endif std::mt19937 gen; std::uniform_int_distribution dist(-100, 100); #if 0 for (Point &p : poly.points) { // Wiggle the points a bit to find out whether this fixes the voronoi diagram for this particular polygon. p.x() = (p.x() += dist(gen)); p.y() = (p.y() += dist(gen)); } #endif REQUIRE(intersecting_edges({ poly }).empty()); Lines lines = to_lines(poly); VD vd; construct_voronoi(lines.begin(), lines.end(), &vd); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-lines.svg").c_str(), vd, Points(), lines); #endif } TEST_CASE("Voronoi weirdness", "[Voronoi]") { Polygon poly2 { { 0, 0 }, { 70000000, 0 }, { 70000000, 1300000 }, // { 70000001, 14000000 } { 70700000, 14000000 } }; Polygon poly5 { { 35058884, -25732145 }, { 35058884, -19586070 }, { 32753739, -20246796 }, { 28756244, -21010725 }, { 24657532, -21657939 }, { 20836260, -21960233 }, { 16115145, -22070742 }, { 11850152, -21839761 }, { 7646240, -21470177 }, { 3607605, -20786940 }, { 1280947, -20329742 }, { -292823, -19963790 }, { -3844469, -18809741 }, { -7237277, -17593723 }, { -10225900, -16143761 }, { -13030266, -14643721 }, { -15404294, -12977561 }, { -17601713, -11280712 }, { -19241930, -9435607 }, { -20714420, -7583739 }, { -21726144, -5664355 }, { -22579294, -3741947 }, { -22966684, -1786321 }, { -23200322, 170140 }, { -22966684, 2126602 }, { -22579296, 4082227 }, { -21726148, 6004637 }, { -20714424, 7924020 }, { -19241932, 9775888 }, { -17601717, 11620994 }, { -15404423, 13317749 }, { -13030276, 14984003 }, { -10225910, 16484042 }, { -7237288, 17934005 }, { -3844482, 19150025 }, { -292841, 20304074 }, { 1280949, 20670031 }, { 3607587, 21127226 }, { 7646218, 21810465 }, { 11850128, 22180055 }, { 16115122, 22411036 }, { 20836263, 22300531 }, { 24657513, 21998239 }, { 28756227, 21351025 }, { 32753725, 20587092 }, { 35058893, 19926309 }, { 35058893, 35000000 }, { -31657232, 35000000 }, { -31657202, -35000000 }, { 35058881, -35000000 } }; Polygon poly7 { { 35058884, -25732145 }, { 35058884, -19586070 }, { -31657202, -35000000 }, { 35058881, -35000000 } }; // coord_t shift = 35058881; // coord_t shift_ok = 17000000; coord_t shift = 35058881; Polygon poly { // <-4, 0>: bug // -5: ok // 1 - ok { 0 + shift, -35000000 }, { 0 + shift, -25732145 }, { 0 + shift, -19586070 }, { -66716086 + shift, -35000000 } }; REQUIRE(intersecting_edges({ poly }).empty()); REQUIRE(poly.area() > 0.); #if 0 // Try to rotate, maybe the issue is caused by incorrect handling of vertical or horizontal edges? double a = 0.18764587962597876897475f; double c = cos(a); double s = sin(a); for (Point &p : poly.points) { Vec2d q = p.cast(); p.x() = coord_t(q.x() * c + q.y() * s + 0.5); p.y() = coord_t(- q.x() * s + q.y() * c + 0.5); } #endif VD vd; Lines lines = to_lines(poly); construct_voronoi(lines.begin(), lines.end(), &vd); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-weirdness.svg").c_str(), vd, Points(), lines); #endif } // https://svn.boost.org/trac10/ticket/12903 // division by zero reported, but this issue is most likely a non-issue, as it produces an infinity for the interval of validity // of the floating point calculation, therefore forcing a recalculation with extended accuracy. TEST_CASE("Voronoi division by zero 12903", "[Voronoi]") { Points pts { { 1, 1 }, { 3, 1 }, { 1, 3 }, { 3, 3 }, { -1, 1 }, { 1, -1 }, { 5, 1 }, { 3, -1 }, { -1, 3 }, { 1, 5 }, { 5, 3 }, { 3, 5 } }; { auto pts2 { pts }; std::sort(pts2.begin(), pts2.end(), [](auto &l, auto &r) { return (l.x() == r.x()) ? l.y() < r.y() : l.x() < r.x(); }); // No point removed -> no duplicate. REQUIRE(std::unique(pts2.begin(), pts2.end()) == pts2.end()); } VD vd; construct_voronoi(pts.begin(), pts.end(), &vd); #ifdef VORONOI_DEBUG_OUT // Scale the voronoi vertices and input points, so that the dump_voronoi_to_svg will display them correctly. for (auto &pt : vd.vertices()) { const_cast(pt.x()) = scale_(pt.x()); const_cast(pt.y()) = scale_(pt.y()); } for (auto &pt : pts) pt = Point::new_scale(pt.x(), pt.y()); dump_voronoi_to_svg(debug_out_path("voronoi-div-by-zero.svg").c_str(), vd, pts, Lines()); #endif } // https://svn.boost.org/trac10/ticket/12139 // Funny sample from a dental industry? // Vojtech confirms this test fails and rightly so, because the input data contain self intersections. // This test is suppressed. TEST_CASE("Voronoi NaN coordinates 12139", "[Voronoi][!hide][!mayfail]") { Lines lines = { { { 260500,1564400 }, { 261040,1562960 } }, { { 261040,1562960 }, { 260840,1561780 } }, { { 260840,1561780 }, { 262620,1561480 } }, { { 262620,1561480 }, { 263160,1561220 } }, { { 263160,1561220 }, { 264100,1563259 } }, { { 264100,1563259 }, { 262380,1566980 } }, { { 262380,1566980 }, { 260500,1564400 } }, { { 137520,1851640 }, { 132160,1851100 } }, { { 132160,1851100 }, { 126460,1848779 } }, { { 126460,1848779 }, { 123960,1847320 } }, { { 123960,1847320 }, { 120960,1844559 } }, { { 120960,1844559 }, { 119640,1843040 } }, { { 119640,1843040 }, { 118320,1840900 } }, { { 118320,1840900 }, { 117920,1838120 } }, { { 117920,1838120 }, { 118219,1833340 } }, { { 118219,1833340 }, { 116180,1835000 } }, { { 116180,1835000 }, { 115999,1834820 } }, { { 115999,1834820 }, { 114240,1836340 } }, { { 114240,1836340 }, { 112719,1837260 } }, { { 112719,1837260 }, { 109460,1838239 } }, { { 109460,1838239 }, { 103639,1837480 } }, { { 103639,1837480 }, { 99819,1835460 } }, { { 99819,1835460 }, { 96320,1834260 } }, { { 96320,1834260 }, { 95339,1834260 } }, { { 95339,1834260 }, { 93660,1833720 } }, { { 93660,1833720 }, { 90719,1833300 } }, { { 90719,1833300 }, { 87860,1831660 } }, { { 87860,1831660 }, { 84580,1830499 } }, { { 84580,1830499 }, { 79780,1827419 } }, { { 79780,1827419 }, { 76020,1824280 } }, { { 76020,1824280 }, { 73680,1821180 } }, { { 73680,1821180 }, { 72560,1818960 } }, { { 72560,1818960 }, { 71699,1817719 } }, { { 71699,1817719 }, { 70280,1814260 } }, { { 70280,1814260 }, { 69460,1811060 } }, { { 69460,1811060 }, { 69659,1807320 } }, { { 69659,1807320 }, { 69640,1803300 } }, { { 69640,1803300 }, { 69360,1799780 } }, { { 69360,1799780 }, { 69320,1796720 } }, { { 69320,1796720 }, { 69640,1793980 } }, { { 69640,1793980 }, { 70160,1791780 } }, { { 70160,1791780 }, { 72460,1784879 } }, { { 72460,1784879 }, { 74420,1780780 } }, { { 74420,1780780 }, { 76500,1772899 } }, { { 76500,1772899 }, { 76760,1769359 } }, { { 76760,1769359 }, { 76480,1766259 } }, { { 76480,1766259 }, { 76839,1760360 } }, { { 76839,1760360 }, { 77539,1756680 } }, { { 77539,1756680 }, { 80540,1748140 } }, { { 80540,1748140 }, { 84200,1742619 } }, { { 84200,1742619 }, { 90900,1735220 } }, { { 90900,1735220 }, { 94159,1732679 } }, { { 94159,1732679 }, { 101259,1729559 } }, { { 101259,1729559 }, { 107299,1727939 } }, { { 107299,1727939 }, { 110979,1727919 } }, { { 110979,1727919 }, { 113499,1727240 } }, { { 113499,1727240 }, { 113619,1727359 } }, { { 113619,1727359 }, { 114280,1727280 } }, { { 114280,1727280 }, { 131440,1732560 } }, { { 131440,1732560 }, { 118140,1727119 } }, { { 118140,1727119 }, { 117120,1723759 } }, { { 117120,1723759 }, { 113840,1720660 } }, { { 113840,1720660 }, { 111399,1716760 } }, { { 111399,1716760 }, { 109700,1712979 } }, { { 109700,1712979 }, { 108879,1708400 } }, { { 108879,1708400 }, { 108060,1696360 } }, { { 108060,1696360 }, { 110040,1687760 } }, { { 110040,1687760 }, { 112140,1682480 } }, { { 112140,1682480 }, { 112540,1681780 } }, { { 112540,1681780 }, { 115260,1678320 } }, { { 115260,1678320 }, { 118720,1675320 } }, { { 118720,1675320 }, { 126100,1670980 } }, { { 126100,1670980 }, { 132400,1668080 } }, { { 132400,1668080 }, { 136700,1667440 } }, { { 136700,1667440 }, { 142440,1667159 } }, { { 142440,1667159 }, { 143340,1666720 } }, { { 143340,1666720 }, { 138679,1661319 } }, { { 138679,1661319 }, { 137240,1657480 } }, { { 137240,1657480 }, { 136760,1650739 } }, { { 136760,1650739 }, { 136780,1647339 } }, { { 136780,1647339 }, { 135940,1644280 } }, { { 135940,1644280 }, { 136000,1640820 } }, { { 136000,1640820 }, { 135480,1638020 } }, { { 135480,1638020 }, { 137060,1634220 } }, { { 137060,1634220 }, { 136320,1631340 } }, { { 136320,1631340 }, { 134620,1629700 } }, { { 134620,1629700 }, { 132460,1628199 } }, { { 132460,1628199 }, { 132299,1627860 } }, { { 132299,1627860 }, { 138360,1618020 } }, { { 138360,1618020 }, { 142440,1611859 } }, { { 142440,1611859 }, { 143180,1611299 } }, { { 143180,1611299 }, { 144000,1611259 } }, { { 144000,1611259 }, { 145960,1612540 } }, { { 145960,1612540 }, { 146720,1613700 } }, { { 146720,1613700 }, { 147700,1613539 } }, { { 147700,1613539 }, { 148520,1614039 } }, { { 148520,1614039 }, { 149840,1613740 } }, { { 149840,1613740 }, { 150620,1614079 } }, { { 150620,1614079 }, { 154760,1612740 } }, { { 154760,1612740 }, { 159000,1608420 } }, { { 159000,1608420 }, { 161120,1606780 } }, { { 161120,1606780 }, { 164060,1605139 } }, { { 164060,1605139 }, { 168079,1603620 } }, { { 168079,1603620 }, { 170240,1603400 } }, { { 170240,1603400 }, { 172400,1603499 } }, { { 172400,1603499 }, { 194440,1613740 } }, { { 194440,1613740 }, { 195880,1616460 } }, { { 195880,1616460 }, { 197060,1618140 } }, { { 197060,1618140 }, { 198039,1617860 } }, { { 198039,1617860 }, { 198739,1618900 } }, { { 198739,1618900 }, { 200259,1619200 } }, { { 200259,1619200 }, { 201940,1618920 } }, { { 201940,1618920 }, { 201700,1617139 } }, { { 201700,1617139 }, { 203860,1618179 } }, { { 203860,1618179 }, { 203500,1617540 } }, { { 203500,1617540 }, { 205000,1616579 } }, { { 205000,1616579 }, { 206780,1615020 } }, { { 206780,1615020 }, { 210159,1614059 } }, { { 210159,1614059 }, { 217080,1611080 } }, { { 217080,1611080 }, { 219200,1611579 } }, { { 219200,1611579 }, { 223219,1610980 } }, { { 223219,1610980 }, { 224580,1610540 } }, { { 224580,1610540 }, { 227460,1611440 } }, { { 227460,1611440 }, { 229359,1611859 } }, { { 229359,1611859 }, { 230620,1612580 } }, { { 230620,1612580 }, { 232340,1614460 } }, { { 232340,1614460 }, { 232419,1617040 } }, { { 232419,1617040 }, { 231740,1619480 } }, { { 231740,1619480 }, { 231880,1624899 } }, { { 231880,1624899 }, { 231540,1625820 } }, { { 231540,1625820 }, { 231700,1627079 } }, { { 231700,1627079 }, { 231320,1628239 } }, { { 231320,1628239 }, { 231420,1636080 } }, { { 231420,1636080 }, { 231099,1637200 } }, { { 231099,1637200 }, { 228660,1643280 } }, { { 228660,1643280 }, { 227699,1644960 } }, { { 227699,1644960 }, { 226080,1651140 } }, { { 226080,1651140 }, { 225259,1653420 } }, { { 225259,1653420 }, { 225159,1655399 } }, { { 225159,1655399 }, { 223760,1659260 } }, { { 223760,1659260 }, { 219860,1666360 } }, { { 219860,1666360 }, { 219180,1667220 } }, { { 219180,1667220 }, { 212580,1673680 } }, { { 212580,1673680 }, { 207880,1676460 } }, { { 207880,1676460 }, { 205560,1677560 } }, { { 205560,1677560 }, { 199700,1678920 } }, { { 199700,1678920 }, { 195280,1679420 } }, { { 195280,1679420 }, { 193939,1679879 } }, { { 193939,1679879 }, { 188780,1679440 } }, { { 188780,1679440 }, { 188100,1679639 } }, { { 188100,1679639 }, { 186680,1679339 } }, { { 186680,1679339 }, { 184760,1679619 } }, { { 184760,1679619 }, { 183520,1681440 } }, { { 183520,1681440 }, { 183860,1682200 } }, { { 183860,1682200 }, { 186620,1686120 } }, { { 186620,1686120 }, { 190380,1688380 } }, { { 190380,1688380 }, { 192780,1690739 } }, { { 192780,1690739 }, { 195860,1694839 } }, { { 195860,1694839 }, { 196620,1696539 } }, { { 196620,1696539 }, { 197540,1701819 } }, { { 197540,1701819 }, { 198939,1705699 } }, { { 198939,1705699 }, { 198979,1711819 } }, { { 198979,1711819 }, { 198240,1716900 } }, { { 198240,1716900 }, { 197440,1720139 } }, { { 197440,1720139 }, { 195340,1724639 } }, { { 195340,1724639 }, { 194040,1726140 } }, { { 194040,1726140 }, { 192559,1728239 } }, { { 192559,1728239 }, { 187780,1732339 } }, { { 187780,1732339 }, { 182519,1735520 } }, { { 182519,1735520 }, { 181239,1736140 } }, { { 181239,1736140 }, { 177340,1737619 } }, { { 177340,1737619 }, { 175439,1738140 } }, { { 175439,1738140 }, { 171380,1738880 } }, { { 171380,1738880 }, { 167860,1739059 } }, { { 167860,1739059 }, { 166040,1738920 } }, { { 166040,1738920 }, { 163680,1738539 } }, { { 163680,1738539 }, { 157660,1736859 } }, { { 157660,1736859 }, { 154900,1735460 } }, { { 154900,1735460 }, { 151420,1735159 } }, { { 151420,1735159 }, { 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469400,1504859 }, { 470300,1505540 } }, { { 470300,1505540 }, { 471240,1505200 } }, { { 471240,1505200 }, { 471579,1504280 } }, { { 471579,1504280 }, { 473939,1502379 } }, { { 473939,1502379 }, { 476860,1500200 } }, { { 476860,1500200 }, { 479800,1498620 } }, { { 479800,1498620 }, { 480840,1498120 } }, { { 480840,1498120 }, { 485220,1497480 } }, { { 485220,1497480 }, { 489979,1497460 } }, { { 489979,1497460 }, { 494899,1498700 } }, { { 494899,1498700 }, { 500099,1501320 } }, { { 500099,1501320 }, { 501439,1501839 } }, { { 501439,1501839 }, { 503400,1502939 } }, { { 503400,1502939 }, { 510760,1508340 } }, { { 510760,1508340 }, { 513640,1510920 } }, { { 513640,1510920 }, { 518579,1514599 } }, { { 518579,1514599 }, { 519020,1515260 } }, { { 519020,1515260 }, { 520700,1516480 } }, { { 520700,1516480 }, { 524960,1521480 } }, { { 524960,1521480 }, { 526820,1524820 } }, { { 526820,1524820 }, { 528280,1527820 } }, { { 528280,1527820 }, { 529120,1533120 } }, { { 529120,1533120 }, { 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583420,1601620 }, { 582840,1603880 } }, { { 582840,1603880 }, { 579860,1611400 } }, { { 579860,1611400 }, { 577980,1614579 } }, { { 577980,1614579 }, { 577380,1616080 } }, { { 577380,1616080 }, { 563800,1621579 } }, { { 563800,1621579 }, { 561320,1622320 } }, { { 561320,1622320 }, { 565080,1621960 } }, { { 565080,1621960 }, { 571680,1620780 } }, { { 571680,1620780 }, { 583260,1628340 } }, { { 583260,1628340 }, { 583100,1630399 } }, { { 583100,1630399 }, { 582200,1632160 } }, { { 582200,1632160 }, { 595380,1627020 } }, { { 595380,1627020 }, { 597400,1627320 } }, { { 597400,1627320 }, { 602240,1628459 } }, { { 602240,1628459 }, { 605660,1630260 } }, { { 605660,1630260 }, { 610319,1634140 } }, { { 610319,1634140 }, { 612340,1636319 } }, { { 612340,1636319 }, { 614820,1638020 } }, { { 614820,1638020 }, { 616460,1638740 } }, { { 616460,1638740 }, { 620420,1639500 } }, { { 620420,1639500 }, { 623000,1639280 } }, { { 623000,1639280 }, { 624459,1639359 } }, { { 624459,1639359 }, { 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642660,1703300 }, { 643620,1704140 } }, { { 643620,1704140 }, { 646300,1707000 } }, { { 646300,1707000 }, { 649060,1710880 } }, { { 649060,1710880 }, { 651160,1714879 } }, { { 651160,1714879 }, { 651740,1716559 } }, { { 651740,1716559 }, { 653139,1722619 } }, { { 653139,1722619 }, { 653020,1728320 } }, { { 653020,1728320 }, { 652719,1731420 } }, { { 652719,1731420 }, { 651619,1736360 } }, { { 651619,1736360 }, { 649819,1743160 } }, { { 649819,1743160 }, { 646440,1749059 } }, { { 646440,1749059 }, { 645219,1750399 } }, { { 645219,1750399 }, { 643959,1752679 } }, { { 643959,1752679 }, { 643959,1753740 } }, { { 643959,1753740 }, { 642140,1754240 } }, { { 642140,1754240 }, { 643760,1754099 } }, { { 643760,1754099 }, { 644320,1754280 } }, { { 644320,1754280 }, { 645000,1754879 } }, { { 645000,1754879 }, { 646940,1755620 } }, { { 646940,1755620 }, { 654779,1757820 } }, { { 654779,1757820 }, { 661100,1761559 } }, { { 661100,1761559 }, { 664099,1763980 } }, { { 664099,1763980 }, { 668220,1768480 } }, { { 668220,1768480 }, { 671920,1773640 } }, { { 671920,1773640 }, { 674939,1779540 } }, { { 674939,1779540 }, { 677760,1782440 } }, { { 677760,1782440 }, { 679080,1785739 } }, { { 679080,1785739 }, { 678780,1788100 } }, { { 678780,1788100 }, { 678020,1791500 } }, { { 678020,1791500 }, { 677120,1793600 } }, { { 677120,1793600 }, { 676860,1795800 } }, { { 676860,1795800 }, { 676440,1797320 } }, { { 676440,1797320 }, { 676459,1798519 } }, { { 676459,1798519 }, { 675620,1800159 } }, { { 675620,1800159 }, { 675520,1801019 } }, { { 675520,1801019 }, { 673360,1804899 } }, { { 673360,1804899 }, { 672740,1807079 } }, { { 672740,1807079 }, { 673300,1809260 } }, { { 673300,1809260 }, { 674539,1811019 } }, { { 674539,1811019 }, { 675499,1812020 } }, { { 675499,1812020 }, { 677660,1817240 } }, { { 677660,1817240 }, { 679659,1824280 } }, { { 679659,1824280 }, { 680380,1828779 } }, { { 680380,1828779 }, { 679519,1837999 } }, { { 679519,1837999 }, { 677940,1844379 } }, { { 677940,1844379 }, { 676940,1846900 } }, { { 676940,1846900 }, { 675479,1849379 } }, { { 675479,1849379 }, { 674000,1851200 } }, { { 674000,1851200 }, { 671380,1853480 } }, { { 671380,1853480 }, { 667019,1855240 } }, { { 667019,1855240 }, { 662540,1856060 } }, { { 662540,1856060 }, { 660960,1856599 } }, { { 660960,1856599 }, { 656240,1857020 } }, { { 656240,1857020 }, { 655600,1856960 } }, { { 655600,1856960 }, { 652839,1855880 } }, { { 652839,1855880 }, { 652019,1855840 } }, { { 652019,1855840 }, { 651459,1855060 } }, { { 651459,1855060 }, { 652179,1854359 } }, { { 652179,1854359 }, { 652019,1849919 } }, { { 652019,1849919 }, { 650620,1846920 } }, { { 650620,1846920 }, { 647299,1844540 } }, { { 647299,1844540 }, { 644500,1843819 } }, { { 644500,1843819 }, { 641860,1844859 } }, { { 641860,1844859 }, { 641059,1845340 } }, { { 641059,1845340 }, { 638860,1845820 } }, { { 638860,1845820 }, { 638000,1845820 } }, { { 638000,1845820 }, { 636340,1845479 } }, { { 636340,1845479 }, { 634980,1844800 } }, { { 634980,1844800 }, { 632660,1842979 } }, { { 632660,1842979 }, { 631140,1841120 } }, { { 631140,1841120 }, { 629140,1839520 } }, { { 629140,1839520 }, { 626640,1839540 } }, { { 626640,1839540 }, { 624159,1840739 } }, { { 624159,1840739 }, { 623820,1841380 } }, { { 623820,1841380 }, { 622440,1842719 } }, { { 622440,1842719 }, { 622100,1843680 } }, { { 622100,1843680 }, { 623780,1846100 } }, { { 623780,1846100 }, { 624580,1846920 } }, { { 624580,1846920 }, { 626120,1856720 } }, { { 626120,1856720 }, { 627440,1860000 } }, { { 627440,1860000 }, { 628000,1864299 } }, { { 628000,1864299 }, { 627380,1865999 } }, { { 627380,1865999 }, { 626260,1867580 } }, { { 626260,1867580 }, { 623660,1869520 } }, { { 623660,1869520 }, { 618680,1872780 } }, { { 618680,1872780 }, { 617699,1873140 } }, { { 617699,1873140 }, { 612000,1874160 } }, { { 612000,1874160 }, { 609840,1874220 } }, { { 609840,1874220 }, { 606940,1873860 } }, { { 136680,1926960 }, { 135500,1926360 } }, { { 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93960,1898259 }, { 93739,1896460 } }, { { 93739,1896460 }, { 94299,1893080 } }, { { 94299,1893080 }, { 97240,1883440 } }, { { 97240,1883440 }, { 99799,1879780 } }, { { 99799,1879780 }, { 100400,1878120 } }, { { 100400,1878120 }, { 100199,1877200 } }, { { 100199,1877200 }, { 98940,1877460 } }, { { 98940,1877460 }, { 96320,1878480 } }, { { 96320,1878480 }, { 86020,1881039 } }, { { 86020,1881039 }, { 84340,1881080 } }, { { 84340,1881080 }, { 76780,1882600 } }, { { 76780,1882600 }, { 74380,1883580 } }, { { 74380,1883580 }, { 72679,1884019 } }, { { 72679,1884019 }, { 70900,1885940 } }, { { 70900,1885940 }, { 71240,1888340 } }, { { 71240,1888340 }, { 72720,1889940 } }, { { 72720,1889940 }, { 74640,1891360 } }, { { 74640,1891360 }, { 75620,1893179 } }, { { 75620,1893179 }, { 77140,1895340 } }, { { 77140,1895340 }, { 81040,1899500 } }, { { 81040,1899500 }, { 82760,1900380 } }, { { 82760,1900380 }, { 83720,1902300 } }, { { 83720,1902300 }, { 85459,1903700 } }, { { 85459,1903700 }, { 86960,1905940 } }, { { 86960,1905940 }, { 88280,1913020 } }, { { 88280,1913020 }, { 88160,1913539 } }, { { 88160,1913539 }, { 88020,1913860 } }, { { 88020,1913860 }, { 86080,1915200 } }, { { 86080,1915200 }, { 85660,1916740 } }, { { 85660,1916740 }, { 83899,1918799 } }, { { 83899,1918799 }, { 79360,1921160 } }, { { 79360,1921160 }, { 76400,1923140 } }, { { 76400,1923140 }, { 70800,1926180 } }, { { 70800,1926180 }, { 64460,1927659 } }, { { 64460,1927659 }, { 60880,1927820 } }, { { 60880,1927820 }, { 55780,1925580 } }, { { 55780,1925580 }, { 54940,1925040 } }, { { 54940,1925040 }, { 52199,1921700 } }, { { 52199,1921700 }, { 49680,1916579 } }, { { 49680,1916579 }, { 48719,1914180 } }, { { 48719,1914180 }, { 48620,1913080 } }, { { 48620,1913080 }, { 47640,1909120 } }, { { 47640,1909120 }, { 48280,1899319 } }, { { 48280,1899319 }, { 49140,1895600 } }, { { 49140,1895600 }, { 50320,1892899 } }, { { 50320,1892899 }, { 51559,1890640 } }, { { 51559,1890640 }, { 52140,1889960 } }, { { 52140,1889960 }, { 54640,1887999 } }, { { 54640,1887999 }, { 55639,1886500 } }, { { 55639,1886500 }, { 55720,1885080 } }, { { 55720,1885080 }, { 55439,1883220 } }, { { 55439,1883220 }, { 54640,1882159 } }, { { 54640,1882159 }, { 54100,1880300 } }, { { 54100,1880300 }, { 52479,1874079 } }, { { 52479,1874079 }, { 51700,1869000 } }, { { 51700,1869000 }, { 51600,1865419 } }, { { 51600,1865419 }, { 51720,1859820 } }, { { 51720,1859820 }, { 52160,1857260 } }, { { 52160,1857260 }, { 52539,1856120 } }, { { 52539,1856120 }, { 57240,1845720 } }, { { 57240,1845720 }, { 58280,1844400 } }, { { 58280,1844400 }, { 60639,1840820 } }, { { 60639,1840820 }, { 65580,1835540 } }, { { 65580,1835540 }, { 68340,1833340 } }, { { 68340,1833340 }, { 71660,1831480 } }, { { 71660,1831480 }, { 73460,1829960 } }, { { 73460,1829960 }, { 75200,1829319 } }, { { 75200,1829319 }, { 77200,1828960 } }, { { 77200,1828960 }, { 78640,1828920 } }, { { 78640,1828920 }, { 111780,1842700 } }, { { 111780,1842700 }, { 112800,1843480 } }, { { 112800,1843480 }, { 113879,1844879 } }, { { 113879,1844879 }, { 116379,1847379 } }, { { 116379,1847379 }, { 116360,1847580 } }, { { 116360,1847580 }, { 117100,1848799 } }, { { 117100,1848799 }, { 120160,1851799 } }, { { 120160,1851799 }, { 121860,1852320 } }, { { 121860,1852320 }, { 124280,1852679 } }, { { 124280,1852679 }, { 128920,1854659 } }, { { 128920,1854659 }, { 130840,1856360 } }, { { 130840,1856360 }, { 133520,1859460 } }, { { 133520,1859460 }, { 135079,1860860 } }, { { 135079,1860860 }, { 137280,1864440 } }, { { 137280,1864440 }, { 142980,1872899 } }, { { 142980,1872899 }, { 144600,1875840 } }, { { 144600,1875840 }, { 147240,1883480 } }, { { 147240,1883480 }, { 147460,1886539 } }, { { 147460,1886539 }, { 147660,1886920 } }, { { 147660,1886920 }, { 148399,1891720 } }, { { 148399,1891720 }, { 148820,1896799 } }, { { 148820,1896799 }, { 148399,1898880 } }, { { 148399,1898880 }, { 148799,1899420 } }, { { 148799,1899420 }, { 150520,1898539 } }, { { 150520,1898539 }, { 154760,1892760 } }, { { 154760,1892760 }, { 156580,1889240 } }, { { 156580,1889240 }, { 156940,1888900 } }, { { 156940,1888900 }, { 157540,1889540 } }, { { 157540,1889540 }, { 156860,1896819 } }, { { 156860,1896819 }, { 155639,1903940 } }, { { 155639,1903940 }, { 153679,1908100 } }, { { 153679,1908100 }, { 152859,1909039 } }, { { 152859,1909039 }, { 149660,1915580 } }, { { 149660,1915580 }, { 148000,1918600 } }, { { 148000,1918600 }, { 141640,1926980 } }, { { 141640,1926980 }, { 140060,1927899 } }, { { 140060,1927899 }, { 136960,1929019 } }, { { 136960,1929019 }, { 136680,1926960 } }, { { 627100,1941519 }, { 625120,1940060 } }, { { 625120,1940060 }, { 614580,1934680 } }, { { 614580,1934680 }, { 608780,1929319 } }, { { 608780,1929319 }, { 607400,1927679 } }, { { 607400,1927679 }, { 606160,1925920 } }, { { 606160,1925920 }, { 604480,1922240 } }, { { 604480,1922240 }, { 602420,1916819 } }, { { 602420,1916819 }, { 602279,1915260 } }, { { 602279,1915260 }, { 602880,1907960 } }, { { 602880,1907960 }, { 604140,1902719 } }, { { 604140,1902719 }, { 605880,1898539 } }, { { 605880,1898539 }, { 606640,1897399 } }, { { 606640,1897399 }, { 609680,1894420 } }, { { 609680,1894420 }, { 611099,1893640 } }, { { 611099,1893640 }, { 616099,1890340 } }, { { 616099,1890340 }, { 617520,1889160 } }, { { 617520,1889160 }, { 620220,1885540 } }, { { 620220,1885540 }, { 624480,1882260 } }, { { 624480,1882260 }, { 628660,1880280 } }, { { 628660,1880280 }, { 632520,1879659 } }, { { 632520,1879659 }, { 637760,1879859 } }, { { 637760,1879859 }, { 640899,1881500 } }, { { 640899,1881500 }, { 644220,1883980 } }, { { 644220,1883980 }, { 643900,1890860 } }, { { 643900,1890860 }, { 643060,1894160 } }, { { 643060,1894160 }, { 642459,1900320 } }, { { 642459,1900320 }, { 642400,1903120 } }, { { 642400,1903120 }, { 643819,1908519 } }, { { 643819,1908519 }, { 644700,1912560 } }, { { 644700,1912560 }, { 644640,1916380 } }, { { 644640,1916380 }, { 644959,1918600 } }, { { 644959,1918600 }, { 642540,1925620 } }, { { 642540,1925620 }, { 642439,1926640 } }, { { 642439,1926640 }, { 641860,1928300 } }, { { 641860,1928300 }, { 638700,1932939 } }, { { 638700,1932939 }, { 634820,1934200 } }, { { 634820,1934200 }, { 631980,1936539 } }, { { 631980,1936539 }, { 630160,1940600 } }, { { 630160,1940600 }, { 627740,1941640 } }, { { 627740,1941640 }, { 627400,1941660 } }, { { 627400,1941660 }, { 627100,1941519 } } }; #if 0 // Verify whether two any two non-neighbor line segments intersect. They should not, otherwise the Voronoi builder // is not guaranteed to succeed. for (size_t i = 0; i < lines.size(); ++ i) for (size_t j = i + 1; j < lines.size(); ++ j) { Point &ip1 = lines[i].a; Point &ip2 = lines[i].b; Point &jp1 = lines[j].a; Point &jp2 = lines[j].b; if (&ip1 != &jp2 && &jp1 != &ip2) { REQUIRE(! Slic3r::Geometry::segments_intersect(ip1, ip2, jp1, jp2)); } } #endif VD vd; construct_voronoi(lines.begin(), lines.end(), &vd); for (const auto& edge : vd.edges()) if (edge.is_finite()) { auto v0 = edge.vertex0(); auto v1 = edge.vertex1(); REQUIRE((v0->x() == 0 || std::isnormal(v0->x()))); REQUIRE((v0->y() == 0 || std::isnormal(v0->y()))); REQUIRE((v1->x() == 0 || std::isnormal(v1->x()))); REQUIRE((v1->y() == 0 || std::isnormal(v1->y()))); } #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-NaNs.svg").c_str(), vd, Points(), lines, Polygons(), Lines(), 0.015); #endif } struct OffsetTest { double distance; size_t num_outer; size_t num_inner; }; TEST_CASE("Voronoi offset", "[VoronoiOffset]") { Polygons poly_with_hole = { Polygon { { 0, 10000000}, { 700000, 0}, { 700000, 9000000}, { 9100000, 9000000}, { 9100000, 0}, {10000000, 10000000} } }; double area = std::accumulate(poly_with_hole.begin(), poly_with_hole.end(), 0., [](double a, auto &poly){ return a + poly.area(); }); REQUIRE(area > 0.); VD vd; Lines lines = to_lines(poly_with_hole); construct_voronoi(lines.begin(), lines.end(), &vd); for (const OffsetTest &ot : { OffsetTest { scale_(0.2), 1, 1 }, OffsetTest { scale_(0.4), 1, 1 }, OffsetTest { scale_(0.5), 1, 2 }, OffsetTest { scale_(0.505), 1, 2 }, OffsetTest { scale_(0.51), 1, 2 }, OffsetTest { scale_(0.52), 1, 1 }, OffsetTest { scale_(0.53), 1, 1 }, OffsetTest { scale_(0.54), 1, 1 }, OffsetTest { scale_(0.55), 1, 0 } }) { #if 0 Polygons offsetted_polygons_out = Slic3r::Voronoi::offset(vd, lines, ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset-out-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_out); #endif REQUIRE(offsetted_polygons_out.size() == ot.num_outer); #endif Polygons offsetted_polygons_in = Slic3r::Voronoi::offset(vd, lines, - ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset-in-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_in); #endif REQUIRE(offsetted_polygons_in.size() == ot.num_inner); } } TEST_CASE("Voronoi offset 2", "[VoronoiOffset]") { coord_t mm = coord_t(scale_(1.)); Polygons poly = { Polygon { { 0, 0 }, { 1, 0 }, { 1, 1 }, { 2, 1 }, { 2, 0 }, { 3, 0 }, { 3, 2 }, { 0, 2 } }, Polygon { { 0, - 1 - 2 }, { 3, - 1 - 2 }, { 3, - 1 - 0 }, { 2, - 1 - 0 }, { 2, - 1 - 1 }, { 1, - 1 - 1 }, { 1, - 1 - 0 }, { 0, - 1 - 0 } }, }; for (Polygon &p : poly) for (Point &pt : p.points) pt *= mm; double area = std::accumulate(poly.begin(), poly.end(), 0., [](double a, auto &poly){ return a + poly.area(); }); REQUIRE(area > 0.); VD vd; Lines lines = to_lines(poly); construct_voronoi(lines.begin(), lines.end(), &vd); for (const OffsetTest &ot : { OffsetTest { scale_(0.2), 2, 2 }, OffsetTest { scale_(0.4), 2, 2 }, OffsetTest { scale_(0.45), 2, 2 }, OffsetTest { scale_(0.48), 2, 2 }, OffsetTest { scale_(0.5), 2, 4 }, OffsetTest { scale_(0.505), 2, 4 }, OffsetTest { scale_(0.7), 2, 0 }, OffsetTest { scale_(0.8), 1, 0 } }) { Polygons offsetted_polygons_out = Slic3r::Voronoi::offset(vd, lines, ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset2-out-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_out); #endif REQUIRE(offsetted_polygons_out.size() == ot.num_outer); Polygons offsetted_polygons_in = Slic3r::Voronoi::offset(vd, lines, - ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset2-in-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_in); #endif REQUIRE(offsetted_polygons_in.size() == ot.num_inner); } } TEST_CASE("Voronoi offset 3", "[VoronoiOffset]") { coord_t mm = coord_t(scale_(1.)); Polygons poly = { Polygon { { 0, 0 }, { 2, 0 }, { 2, 1 }, { 3, 1 }, { 3, 0 }, { 5, 0 }, { 5, 2 }, { 4, 2 }, { 4, 3 }, { 1, 3 }, { 1, 2 }, { 0, 2 } }, Polygon { { 0, -1 - 2 }, { 1, -1 - 2 }, { 1, -1 - 3 }, { 4, -1 - 3 }, { 4, -1 - 2 }, { 5, -1 - 2 }, { 5, -1 - 0 }, { 3, -1 - 0 }, { 3, -1 - 1 }, { 2, -1 - 1 }, { 2, -1 - 0 }, { 0, -1 - 0 } }, }; for (Polygon &p : poly) { REQUIRE(p.area() > 0.); for (Point &pt : p.points) pt *= mm; } VD vd; Lines lines = to_lines(poly); construct_voronoi(lines.begin(), lines.end(), &vd); for (const OffsetTest &ot : { OffsetTest { scale_(0.2), 2, 2 }, OffsetTest { scale_(0.4), 2, 2 }, OffsetTest { scale_(0.49), 2, 2 }, OffsetTest { scale_(0.5), 2, 2 }, OffsetTest { scale_(0.51), 2, 2 }, OffsetTest { scale_(0.56), 2, 2 }, OffsetTest { scale_(0.6), 2, 2 }, OffsetTest { scale_(0.7), 2, 2 }, OffsetTest { scale_(0.8), 1, 6 }, OffsetTest { scale_(0.9), 1, 6 }, OffsetTest { scale_(0.99), 1, 6 }, OffsetTest { scale_(1.0), 1, 0 }, OffsetTest { scale_(1.01), 1, 0 }, }) { Polygons offsetted_polygons_out = Slic3r::Voronoi::offset(vd, lines, ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset3-out-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_out); #endif REQUIRE(offsetted_polygons_out.size() == ot.num_outer); Polygons offsetted_polygons_in = Slic3r::Voronoi::offset(vd, lines, - ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset3-in-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_in); #endif REQUIRE(offsetted_polygons_in.size() == ot.num_inner); } } TEST_CASE("Voronoi offset with edge collapse", "[VoronoiOffset4]") { Polygons poly { // Outer contour { { 434890, -64754575 }, { 541060, -64669076 }, { 585647, -64583538 }, { 576999, -64484233 }, { 485666, -64191173 }, { 1029323, -63646261 }, { 1416925, -63666243 }, { 1541532, -63643075 }, { 1541535, -63643075 }, { 1541535, -63643074 }, { 1552612, -63641015 }, { 1631609, -63568270 }, { 1678393, -63443639 }, { 1725519, -63219942 }, { 1770552, -62903321 }, { 1742544, -62755934 }, { 1758152, -62588378 }, { 1702289, -62474826 }, { 1638627, -62242058 }, { 1671281, -61938568 }, { 1792676, -61478332 }, { 1934894, -60760597 }, { 2160333, -60064089 }, { 2638183, -58972890 }, { 2933095, -58478536 }, { 3173586, -58159527 }, { 3557779, -57556727 }, { 3707088, -57158174 }, { 3758053, -56907139 }, { 3935932, -56278649 }, { 4077331, -56033426 }, { 4151386, -55768739 }, { 4293796, -55561683 }, { 4383089, -55387391 }, { 4614128, -55201443 }, { 5268755, -54333831 }, { 5547634, -53797296 }, { 5573864, -53639250 }, { 5736812, -53304157 }, { 6090973, -52066302 }, { 6148630, -51666664 }, { 6189511, -50974991 }, { 6244112, -50774489 }, { 6302489, -50761556 }, { 6511179, -50579861 }, { 6778128, -50398667 }, { 6896879, -50350264 }, { 7388259, -49913262 }, { 7630584, -49602449 }, { 7886846, -48987881 }, { 7871333, -48318666 }, { 7770349, -47841179 }, { 7570223, -47234733 }, { 7283115, -46705503 }, { 6842948, -46056539 }, { 6612732, -45760004 }, { 6150430, -44991494 }, { 5564326, -44168114 }, { 5193032, -43807544 }, { 4932097, -43489047 }, { 3857385, -42548846 }, { 3764745, -42081468 }, { 3539887, -41422273 }, { 3283048, -40803856 }, { 3005925, -40367981 }, { 3136185, -39834533 }, { 3333757, -38499972 }, { 3360660, -38183895 }, { 3353375, -38036005 }, { 3398808, -37582504 }, { 3604229, -37221781 }, { 3698079, -36962934 }, { 4000449, -36007804 }, { 4256811, -35016707 }, { 4405951, -34581428 }, { 4364534, -34178439 }, { 4124603, -33432250 }, { 3806159, -32765167 }, { 3359088, -32109020 }, { 2880790, -31317192 }, { 1548334, -30402139 }, { -7, -30131023 }, { -1548347, -30402139 }, { -2880803, -31317189 }, { -3359100, -32109018 }, { -3806173, -32765166 }, { -4124617, -33432248 }, { -4364548, -34178436 }, { -4405966, -34581423 }, { -4256825, -35016707 }, { -4000461, -36007800 }, { -3698093, -36962933 }, { -3604243, -37221781 }, { -3398823, -37582501 }, { -3353390, -38036003 }, { -3360675, -38183892 }, { -3333772, -38499972 }, { -3136200, -39834530 }, { -3005940, -40367980 }, { -3283062, -40803852 }, { -3539902, -41422273 }, { -3764761, -42081468 }, { -3857402, -42548846 }, { -4932112, -43489047 }, { -5193047, -43807544 }, { -5564341, -44168114 }, { -6150446, -44991494 }, { -6612748, -45760000 }, { -6842965, -46056536 }, { -7283130, -46705503 }, { -7570238, -47234733 }, { -7770365, -47841179 }, { -7871349, -48318666 }, { -7886860, -48987873 }, { -7630599, -49602451 }, { -7388277, -49913260 }, { -6896896, -50350264 }, { -6778145, -50398667 }, { -6511196, -50579862 }, { -6302504, -50761557 }, { -6244127, -50774488 }, { -6189527, -50974989 }, { -6148648, -51666664 }, { -6090990, -52066302 }, { -5736829, -53304157 }, { -5573882, -53639250 }, { -5547651, -53797296 }, { -5268772, -54333831 }, { -4614145, -55201443 }, { -4383106, -55387389 }, { -4293814, -55561683 }, { -4151404, -55768739 }, { -4077350, -56033423 }, { -3935952, -56278647 }, { -3758072, -56907137 }, { -3707107, -57158170 }, { -3557796, -57556727 }, { -3173605, -58159527 }, { -2933113, -58478536 }, { -2638201, -58972890 }, { -2295003, -59738435 }, { -2160353, -60064089 }, { -1978487, -60596626 }, { -1792695, -61478332 }, { -1671298, -61938574 }, { -1638646, -62242058 }, { -1702306, -62474826 }, { -1758168, -62588380 }, { -1742563, -62755934 }, { -1770570, -62903317 }, { -1725537, -63219946 }, { -1678412, -63443639 }, { -1631627, -63568270 }, { -1553479, -63640201 }, { -1416944, -63666243 }, { -998854, -63645714 }, { -485685, -64191173 }, { -577019, -64484225 }, { -585667, -64583538 }, { -541079, -64669076 }, { -434910, -64754575 }, { -294192, -64810609 }, { 294172, -64810609 }, }, // Hole 1 { { -842246, -45167428 }, { -1473641, -45154392 }, { -2181728, -45100161 }, { -2804308, -44985842 }, { -3100514, -44879269 }, { -3836807, -44802155 }, { -4035816, -44718913 }, { -4167175, -44583299 }, { -4496705, -44467674 }, { -4486674, -44382045 }, { -4343949, -44070577 }, { -3740991, -43494686 }, { -2701372, -43313358 }, { -1493599, -43312838 }, { -8, -43352868 }, { 1414575, -43313336 }, { 2701358, -43313358 }, { 3095462, -43374735 }, { 3740975, -43494686 }, { 4343934, -44070583 }, { 4486657, -44382044 }, { 4496688, -44467670 }, { 4167159, -44583300 }, { 4035800, -44718913 }, { 3836792, -44802155 }, { 3100498, -44879269 }, { 2804292, -44985842 }, { 2181712, -45100161 }, { 1473625, -45154389 }, { 842231, -45167428 }, { -8, -45232686 }, }, // Hole 2 { { 1657455, -63016679 }, { 1723196, -63056286 }, { 1541535, -63643074 }, { 1541532, -63643075 }, { 1030020, -63645562 }, } }; VD vd; Lines lines = to_lines(poly); construct_voronoi(lines.begin(), lines.end(), &vd); for (const OffsetTest &ot : { OffsetTest { scale_(0.2), 2, 2 }, OffsetTest { scale_(0.4), 2, 2 }, OffsetTest { scale_(0.49), 2, 3 }, OffsetTest { scale_(0.51), 2, 2 }, OffsetTest { scale_(0.56), 2, 2 }, OffsetTest { scale_(0.6), 2, 2 }, OffsetTest { scale_(0.7), 2, 2 }, OffsetTest { scale_(0.8), 2, 2 }, OffsetTest { scale_(0.9), 2, 2 }, OffsetTest { scale_(0.99), 1, 2 }, OffsetTest { scale_(1.0), 1, 2 }, OffsetTest { scale_(1.01), 1, 2 }, }) { Polygons offsetted_polygons_out = Slic3r::Voronoi::offset(vd, lines, ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset3-out-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_out); #endif REQUIRE(offsetted_polygons_out.size() == ot.num_outer); Polygons offsetted_polygons_in = Slic3r::Voronoi::offset(vd, lines, - ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset3-in-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_in); #endif REQUIRE(offsetted_polygons_in.size() == ot.num_inner); } } // A sample extracted from file medallion_printable_fixed-teeth.stl from https://www.thingiverse.com/thing:1347129 // This test for offset scale_(2.9) and bigger // triggers assert(r < std::max(d0, d1) + EPSILON) in function first_circle_segment_intersection_parameter. TEST_CASE("Voronoi offset 5", "[VoronoiOffset5]") { Polygons poly = { Polygon { { 0 , -16077501 }, { 3015222 , -16142836 }, { 3072642 , -16138163 }, { 3094279 , -16105662 }, { 3110660 , -15140728 }, { 3157438 , -14105326 }, { 3338367 , -11081394 }, { 3443412 , -8381621 }, { 3472489 , -6084497 }, { 3445790 , -5962924 }, { 3061725 , -6003484 }, { 3030326 , -6030622 }, { 2989343 , -6270378 }, { 2903752 , -7368176 }, { 2856704 , -7740619 }, { 2795743 , -7978809 }, { 2729231 , -8098866 }, { 2666509 , -8131138 }, { 2614169 , -8112308 }, { 2561157 , -8032014 }, { 2488290 , -7479351 }, { 2453360 , -6911556 }, { 2456148 , -6463146 }, { 2546029 , -4580396 }, { 2688181 , -2593262 }, { 2717617 , -1700519 }, { 2682232 , -1128411 }, { 2631029 , -832886 }, { 2535941 , -504483 }, { 2399115 , -199303 }, { 2290997 , -171213 }, { 611824 , -132865 }, { 6419 , -375849 }, { -611825 , -132865 }, { -2377355 , -185241 }, { -2420740 , -231171 }, { -2535942 , -504484 }, { -2631030 , -832887 }, { -2684831 , -1150821 }, { -2714840 , -1586454 }, { -2688181 , -2593262 }, { -2546030 , -4580396 }, { -2456149 , -6463145 }, { -2453361 , -6911557 }, { -2488291 , -7479352 }, { -2561159 , -8032018 }, { -2614171 , -8112309 }, { -2666509 , -8131138 }, { -2729233 , -8098868 }, { -2795744 , -7978809 }, { -2856706 , -7740619 }, { -2903752 , -7368176 }, { -2989345 , -6270378 }, { -3030327 , -6030622 }, { -3061726 , -6003484 }, { -3445790 , -5962924 }, { -3472490 , -6084498 }, { -3468804 , -7244095 }, { -3399287 , -9714025 }, { -3338368 , -11081395 }, { -3141015 , -14446051 }, { -3094280 , -16105662 }, { -3072643 , -16138163 }, { -3008836 , -16143225 } } }; double area = std::accumulate(poly.begin(), poly.end(), 0., [](double a, auto &poly){ return a + poly.area(); }); REQUIRE(area > 0.); VD vd; Lines lines = to_lines(poly); construct_voronoi(lines.begin(), lines.end(), &vd); for (const OffsetTest &ot : { OffsetTest { scale_(2.8), 1, 1 }, OffsetTest { scale_(2.9), 1, 1 }, OffsetTest { scale_(3.0), 1, 1 }, }) { Polygons offsetted_polygons_out = Slic3r::Voronoi::offset(vd, lines, ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset5-out-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_out); #endif REQUIRE(offsetted_polygons_out.size() == ot.num_outer); Polygons offsetted_polygons_in = Slic3r::Voronoi::offset(vd, lines, - ot.distance, scale_(0.005)); #ifdef VORONOI_DEBUG_OUT dump_voronoi_to_svg(debug_out_path("voronoi-offset5-in-%lf.svg", ot.distance).c_str(), vd, Points(), lines, offsetted_polygons_in); #endif REQUIRE(offsetted_polygons_in.size() == ot.num_inner); } } TEST_CASE("Voronoi skeleton", "[VoronoiSkeleton]") { coord_t mm = coord_t(scale_(1.)); Polygons poly = { Polygon { { 0, 0 }, { 1, 0 }, { 1, 1 }, { 2, 1 }, { 2, 0 }, { 3, 0 }, { 3, 2 }, { 0, 2 } }, Polygon { { 0, - 1 - 2 }, { 3, - 1 - 2 }, { 3, - 1 - 0 }, { 2, - 1 - 0 }, { 2, - 1 - 1 }, { 1, - 1 - 1 }, { 1, - 1 - 0 }, { 0, - 1 - 0 } }, }; for (Polygon &p : poly) for (Point &pt : p.points) pt *= mm; double area = std::accumulate(poly.begin(), poly.end(), 0., [](double a, auto &poly){ return a + poly.area(); }); REQUIRE(area > 0.); VD vd; Lines lines = to_lines(poly); construct_voronoi(lines.begin(), lines.end(), &vd); Slic3r::Voronoi::annotate_inside_outside(vd, lines); Slic3r::Voronoi::annotate_inside_outside(vd, lines); static constexpr double threshold_alpha = M_PI / 12.; // 30 degrees std::vector skeleton_edges = Slic3r::Voronoi::skeleton_edges_rough(vd, lines, threshold_alpha); REQUIRE(! skeleton_edges.empty()); }