#include #include #include #include #include "libslic3r/ClipperUtils.hpp" #include "libslic3r/ExPolygon.hpp" #include "libslic3r/SVG.hpp" using namespace Slic3r; SCENARIO("Various Clipper operations - xs/t/11_clipper.t", "[ClipperUtils]") { // CCW oriented contour Slic3r::Polygon square{ { 200, 100 }, {200, 200}, {100, 200}, {100, 100} }; // CW oriented contour Slic3r::Polygon hole_in_square{ { 160, 140 }, { 140, 140 }, { 140, 160 }, { 160, 160 } }; Slic3r::ExPolygon square_with_hole(square, hole_in_square); GIVEN("square_with_hole") { WHEN("offset") { Polygons result = Slic3r::offset(square_with_hole, 5.f); THEN("offset matches") { REQUIRE(result == Polygons { { { 205, 205 }, { 95, 205 }, { 95, 95 }, { 205, 95 }, }, { { 145, 145 }, { 145, 155 }, { 155, 155 }, { 155, 145 } } }); } } WHEN("offset_ex") { ExPolygons result = Slic3r::offset_ex(square_with_hole, 5.f); THEN("offset matches") { REQUIRE(result == ExPolygons { { { { 205, 205 }, { 95, 205 }, { 95, 95 }, { 205, 95 }, }, { { 145, 145 }, { 145, 155 }, { 155, 155 }, { 155, 145 } } } } ); } } WHEN("offset2_ex") { ExPolygons result = Slic3r::offset2_ex({square_with_hole}, 5.f, -2.f); THEN("offset matches") { REQUIRE(result == ExPolygons { { { { 203, 203 }, { 97, 203 }, { 97, 97 }, { 203, 97 } }, { { 143, 143 }, { 143, 157 }, { 157, 157 }, { 157, 143 } } } } ); } } } GIVEN("square_with_hole 2") { Slic3r::ExPolygon square_with_hole( { { 20000000, 20000000 }, { 0, 20000000 }, { 0, 0 }, { 20000000, 0 } }, { { 5000000, 15000000 }, { 15000000, 15000000 }, { 15000000, 5000000 }, { 5000000, 5000000 } }); WHEN("offset2_ex") { Slic3r::ExPolygons result = Slic3r::offset2_ex(ExPolygons { square_with_hole }, -1.f, 1.f); THEN("offset matches") { REQUIRE(result.size() == 1); REQUIRE(square_with_hole.area() == result.front().area()); } } } GIVEN("square and hole") { WHEN("diff_ex") { ExPolygons result = Slic3r::diff_ex(Polygons{ square }, Polygons{ hole_in_square }); THEN("hole is created") { REQUIRE(result.size() == 1); REQUIRE(square_with_hole.area() == result.front().area()); } } } GIVEN("polyline") { Slic3r::Polyline polyline { { 50, 150 }, { 300, 150 } }; WHEN("intersection_pl") { Polylines result = Slic3r::intersection_pl({ polyline }, { square, hole_in_square }); THEN("correct number of result lines") { REQUIRE(result.size() == 2); } THEN("result lines have correct length") { // results are in no particular order REQUIRE(result[0].length() == 40); REQUIRE(result[1].length() == 40); } } WHEN("diff_pl") { Polylines result = Slic3r::diff_pl(Polylines{ polyline }, Polygons{ square, hole_in_square }); THEN("correct number of result lines") { REQUIRE(result.size() == 3); } // results are in no particular order THEN("the left result line has correct length") { REQUIRE(std::count_if(result.begin(), result.end(), [](const Slic3r::Polyline &pl) { return pl.length() == 50; }) == 1); } THEN("the right result line has correct length") { REQUIRE(std::count_if(result.begin(), result.end(), [](const Slic3r::Polyline &pl) { return pl.length() == 100; }) == 1); } THEN("the central result line has correct length") { REQUIRE(std::count_if(result.begin(), result.end(), [](const Slic3r::Polyline &pl) { return pl.length() == 20; }) == 1); } } } GIVEN("Clipper bug #96 / Slic3r issue #2028") { Slic3r::Polyline subject{ { 44735000, 31936670 }, { 55270000, 31936670 }, { 55270000, 25270000 }, { 74730000, 25270000 }, { 74730000, 44730000 }, { 68063296, 44730000 }, { 68063296, 55270000 }, { 74730000, 55270000 }, { 74730000, 74730000 }, { 55270000, 74730000 }, { 55270000, 68063296 }, { 44730000, 68063296 }, { 44730000, 74730000 }, { 25270000, 74730000 }, { 25270000, 55270000 }, { 31936670, 55270000 }, { 31936670, 44730000 }, { 25270000, 44730000 }, { 25270000, 25270000 }, { 44730000, 25270000 }, { 44730000, 31936670 } }; Slic3r::Polygon clip { {75200000, 45200000}, {54800000, 45200000}, {54800000, 24800000}, {75200000, 24800000} }; Slic3r::Polylines result = Slic3r::intersection_pl(Polylines{ subject }, clip); THEN("intersection_pl - result is not empty") { REQUIRE(result.size() == 1); } result = Slic3r::intersection_pl(subject, Polygons{clip}); THEN("intersection_pl(2) - result is not empty") { REQUIRE(result.size() == 1); } } GIVEN("Clipper bug #122") { Slic3r::Polyline subject { { 1975, 1975 }, { 25, 1975 }, { 25, 25 }, { 1975, 25 }, { 1975, 1975 } }; Slic3r::Polygons clip { { { 2025, 2025 }, { -25, 2025 } , { -25, -25 }, { 2025, -25 } }, { { 525, 525 }, { 525, 1475 }, { 1475, 1475 }, { 1475, 525 } } }; Slic3r::Polylines result = Slic3r::intersection_pl(Polylines{ subject }, clip); THEN("intersection_pl - result is not empty") { REQUIRE(result.size() == 1); REQUIRE(result.front().points.size() == 5); } result = Slic3r::intersection_pl(subject, Polygons{clip}); THEN("intersection_pl(2) - result is not empty") { REQUIRE(result.size() == 1); REQUIRE(result.front().points.size() == 5); } } GIVEN("Clipper bug #126") { Slic3r::Polyline subject { { 200000, 19799999 }, { 200000, 200000 }, { 24304692, 200000 }, { 15102879, 17506106 }, { 13883200, 19799999 }, { 200000, 19799999 } }; Slic3r::Polygon clip { { 15257205, 18493894 }, { 14350057, 20200000 }, { -200000, 20200000 }, { -200000, -200000 }, { 25196917, -200000 } }; Slic3r::Polylines result = Slic3r::intersection_pl(Polylines{ subject }, clip); THEN("intersection_pl - result is not empty") { REQUIRE(result.size() == 1); } THEN("intersection_pl - result has same length as subject polyline") { REQUIRE(result.front().length() == Approx(subject.length())); } result = Slic3r::intersection_pl(subject, Polygons{clip}); THEN("intersection_pl(2) - result is not empty") { REQUIRE(result.size() == 1); } THEN("intersection_pl(2) - result has same length as subject polyline") { REQUIRE(result.front().length() == Approx(subject.length())); } result = Slic3r::intersection_pl(Polylines{subject}, Polygons{clip}); THEN("intersection_pl(3) - result is not empty") { REQUIRE(result.size() == 1); } THEN("intersection_pl(3) - result has same length as subject polyline") { REQUIRE(result.front().length() == Approx(subject.length())); } } #if 0 { # Clipper does not preserve polyline orientation my $polyline = Slic3r::Polyline->new([50, 150], [300, 150]); my $result = Slic3r::Geometry::Clipper::intersection_pl([$polyline], [$square]); is scalar(@$result), 1, 'intersection_pl - correct number of result lines'; is_deeply $result->[0]->pp, [[100, 150], [200, 150]], 'clipped line orientation is preserved'; } { # Clipper does not preserve polyline orientation my $polyline = Slic3r::Polyline->new([300, 150], [50, 150]); my $result = Slic3r::Geometry::Clipper::intersection_pl([$polyline], [$square]); is scalar(@$result), 1, 'intersection_pl - correct number of result lines'; is_deeply $result->[0]->pp, [[200, 150], [100, 150]], 'clipped line orientation is preserved'; } { # Disabled until Clipper bug #127 is fixed my $subject = [ Slic3r::Polyline->new([-90000000, -100000000], [-90000000, 100000000]), # vertical Slic3r::Polyline->new([-100000000, -10000000], [100000000, -10000000]), # horizontal Slic3r::Polyline->new([-100000000, 0], [100000000, 0]), # horizontal Slic3r::Polyline->new([-100000000, 10000000], [100000000, 10000000]), # horizontal ]; my $clip = Slic3r::Polygon->new(# a circular, convex, polygon [99452190, 10452846], [97814760, 20791169], [95105652, 30901699], [91354546, 40673664], [86602540, 50000000], [80901699, 58778525], [74314483, 66913061], [66913061, 74314483], [58778525, 80901699], [50000000, 86602540], [40673664, 91354546], [30901699, 95105652], [20791169, 97814760], [10452846, 99452190], [0, 100000000], [-10452846, 99452190], [-20791169, 97814760], [-30901699, 95105652], [-40673664, 91354546], [-50000000, 86602540], [-58778525, 80901699], [-66913061, 74314483], [-74314483, 66913061], [-80901699, 58778525], [-86602540, 50000000], [-91354546, 40673664], [-95105652, 30901699], [-97814760, 20791169], [-99452190, 10452846], [-100000000, 0], [-99452190, -10452846], [-97814760, -20791169], [-95105652, -30901699], [-91354546, -40673664], [-86602540, -50000000], [-80901699, -58778525], [-74314483, -66913061], [-66913061, -74314483], [-58778525, -80901699], [-50000000, -86602540], [-40673664, -91354546], [-30901699, -95105652], [-20791169, -97814760], [-10452846, -99452190], [0, -100000000], [10452846, -99452190], [20791169, -97814760], [30901699, -95105652], [40673664, -91354546], [50000000, -86602540], [58778525, -80901699], [66913061, -74314483], [74314483, -66913061], [80901699, -58778525], [86602540, -50000000], [91354546, -40673664], [95105652, -30901699], [97814760, -20791169], [99452190, -10452846], [100000000, 0] ); my $result = Slic3r::Geometry::Clipper::intersection_pl($subject, [$clip]); is scalar(@$result), scalar(@$subject), 'intersection_pl - expected number of polylines'; is sum(map scalar(@$_), @$result), scalar(@$subject) * 2, 'intersection_pl - expected number of points in polylines'; } #endif } SCENARIO("Various Clipper operations - t/clipper.t", "[ClipperUtils]") { GIVEN("square with hole") { // CCW oriented contour Slic3r::Polygon square { { 10, 10 }, { 20, 10 }, { 20, 20 }, { 10, 20 } }; Slic3r::Polygon square2 { { 5, 12 }, { 25, 12 }, { 25, 18 }, { 5, 18 } }; // CW oriented contour Slic3r::Polygon hole_in_square { { 14, 14 }, { 14, 16 }, { 16, 16 }, { 16, 14 } }; WHEN("intersection_ex with another square") { ExPolygons intersection = Slic3r::intersection_ex(Polygons{ square, hole_in_square }, Polygons{ square2 }); THEN("intersection area matches (hole is preserved)") { ExPolygon match({ { 20, 18 }, { 10, 18 }, { 10, 12 }, { 20, 12 } }, { { 14, 16 }, { 16, 16 }, { 16, 14 }, { 14, 14 } }); REQUIRE(intersection.size() == 1); REQUIRE(intersection.front().area() == Approx(match.area())); } } } GIVEN("square with hole 2") { // CCW oriented contour Slic3r::Polygon square { { 0, 0 }, { 40, 0 }, { 40, 40 }, { 0, 40 } }; Slic3r::Polygon square2 { { 10, 10 }, { 30, 10 }, { 30, 30 }, { 10, 30 } }; // CW oriented contour Slic3r::Polygon hole { { 15, 15 }, { 15, 25 }, { 25, 25 }, {25, 15 } }; WHEN("union_ex with another square") { ExPolygons union_ = Slic3r::union_ex(Polygons{ square, square2, hole }); THEN("union of two ccw and one cw is a contour with no holes") { REQUIRE(union_.size() == 1); REQUIRE(union_.front() == ExPolygon { { 40, 40 }, { 0, 40 }, { 0, 0 }, { 40, 0 } } ); } } WHEN("diff_ex with another square") { ExPolygons diff = Slic3r::diff_ex(Polygons{ square, square2 }, Polygons{ hole }); THEN("difference of a cw from two ccw is a contour with one hole") { REQUIRE(diff.size() == 1); REQUIRE(diff.front().area() == Approx(ExPolygon({ {40, 40}, {0, 40}, {0, 0}, {40, 0} }, { {15, 25}, {25, 25}, {25, 15}, {15, 15} }).area())); } } } GIVEN("yet another square") { Slic3r::Polygon square { { 10, 10 }, { 20, 10 }, { 20, 20 }, { 10, 20 } }; Slic3r::Polyline square_pl = square.split_at_first_point(); WHEN("no-op diff_pl") { Slic3r::Polylines res = Slic3r::diff_pl({ square_pl }, {}); THEN("returns the right number of polylines") { REQUIRE(res.size() == 1); } THEN("returns the unmodified input polyline") { REQUIRE(res.front().points.size() == square_pl.points.size()); } } } } template double polytree_area(const Tree &tree, std::vector

*out) { traverse_pt(tree, out); return std::accumulate(out->begin(), out->end(), 0.0, [](double a, const P &p) { return a + p.area(); }); } size_t count_polys(const ExPolygons& expolys) { size_t c = 0; for (auto &ep : expolys) c += ep.holes.size() + 1; return c; } TEST_CASE("Traversing Clipper PolyTree", "[ClipperUtils]") { // Create a polygon representing unit box Slic3r::Polygon unitbox; const int32_t UNIT = int32_t(1. / SCALING_FACTOR); unitbox.points = Points{Point{0, 0}, Point{UNIT, 0}, Point{UNIT, UNIT}, Point{0, UNIT}}; Slic3r::Polygon box_frame = unitbox; box_frame.scale(20, 10); Slic3r::Polygon hole_left = unitbox; hole_left.scale(8); hole_left.translate(UNIT, UNIT); hole_left.reverse(); Slic3r::Polygon hole_right = hole_left; hole_right.translate(UNIT * 10, 0); Slic3r::Polygon inner_left = unitbox; inner_left.scale(4); inner_left.translate(UNIT * 3, UNIT * 3); Slic3r::Polygon inner_right = inner_left; inner_right.translate(UNIT * 10, 0); Polygons reference = union_({box_frame, hole_left, hole_right, inner_left, inner_right}); ClipperLib::PolyTree tree = union_pt(reference); double area_sum = box_frame.area() + hole_left.area() + hole_right.area() + inner_left.area() + inner_right.area(); REQUIRE(area_sum > 0); SECTION("Traverse into Polygons WITHOUT spatial ordering") { Polygons output; REQUIRE(area_sum == Approx(polytree_area(tree.GetFirst(), &output))); REQUIRE(output.size() == reference.size()); } SECTION("Traverse into ExPolygons WITHOUT spatial ordering") { ExPolygons output; REQUIRE(area_sum == Approx(polytree_area(tree.GetFirst(), &output))); REQUIRE(count_polys(output) == reference.size()); } SECTION("Traverse into Polygons WITH spatial ordering") { Polygons output; REQUIRE(area_sum == Approx(polytree_area(tree.GetFirst(), &output))); REQUIRE(output.size() == reference.size()); } SECTION("Traverse into ExPolygons WITH spatial ordering") { ExPolygons output; REQUIRE(area_sum == Approx(polytree_area(tree.GetFirst(), &output))); REQUIRE(count_polys(output) == reference.size()); } } TEST_CASE("Testing offset and offset_ex ", "[ClipperUtils]") { SECTION("contour growth create hole") { std::vector> unscaled_array = {{0, 0}, {10, 0}, {10, 4.5}, {7, 4.5}, {7,3}, {3,3}, {3,7}, {7,7}, {7,5.5}, {10,5.5}, {10,10}, {0,10}}; Slic3r::Polygon src_polygon; for(auto pt: unscaled_array) src_polygon.points.emplace_back(scale_t(pt.first), scale_t(pt.second)); REQUIRE(src_polygon.is_valid()); Polygons result = Slic3r::offset(src_polygon, scale_d(1), ClipperLib::JoinType::jtMiter, 3); REQUIRE(result.size() == 2); REQUIRE(result[0].is_counter_clockwise() || result[1].is_counter_clockwise()); REQUIRE(result[0].is_clockwise() || result[1].is_clockwise()); ExPolygons result_ex = Slic3r::offset_ex(ExPolygon(src_polygon), scale_d(1), ClipperLib::JoinType::jtMiter, 3); REQUIRE(result_ex.size() == 1); REQUIRE(result_ex[0].holes.size() == 1); REQUIRE(result_ex[0].contour.is_counter_clockwise()); REQUIRE(result_ex[0].holes[0].is_clockwise()); result_ex = union_ex(result); REQUIRE(result_ex.size() == 1); REQUIRE(result_ex[0].holes.size() == 1); REQUIRE(result_ex[0].contour.is_counter_clockwise()); REQUIRE(result_ex[0].holes[0].is_clockwise()); } } TEST_CASE("Testing ", "[ClipperUtils]") { Slic3r::Polygon src_polygon( {{-29766902, -30710288}, {-30290102, -30802646}, {-30799114, -30715083}, {-31876243, -30562718}, {-33030941, -30449754}, {-33231822, -30436946}, {-34268178, -30384775}, {-34891023, -30367930}, {-34938429, -30367343}, {-36307009, -30380364}, {-36686920, -30395327}, {-38057500, -30465424}, {-38066183, -30465841}, {-39121269, -30543247}, {-39144586, -30545052}, {-41393647, -30762768}, {-41400772, -30763367}, {-42606470, -30898534}, {-43049745, -30951762}, {-43526989, -31152101}, {-44543970, -31296610}, {-49896253, -32067648}, {-53031149, -32453333}, {-54983432, -32629283}, {-55876108, -32681239}, {-57207787, -32710144}, {-57287031, -32707371}, {-56999037, -31773098}, {-57020109, -31574537}, {-57153102, -31460716}, {-59114378, -30732754}, {-59554951, -30452156}, {-59664101, -30265002}, {-59753496, -29913462}, {-59728476, -29015470}, {-59648533, -27590938}, {-59696516, -27427759}, {-59871882, -27324947}, {-60861946, -27207800}, {-60553293, -26514064}, {-60221446, -25827699}, {-59983819, -25377161}, {-59431848, -24334493}, {-58071530, -22002475}, {-57086298, -20406564}, {-54532068, -16383584}, {-54152045, -16033352}, {-53418323, -14810628}, {-53037302, -14152026}, {-52585902, -13384179}, {-52093130, -12530959}, {-52089199, -12523696}, {-51416049, -11301170}, {-51399188, -11269626}, {-50899221, -10293557}, {-50548785, -9599755}, {-50422361, -9325954}, {-49913114, -8198227}, {-49857361, -8070473}, {-49486084, -7130146}, {-49262185, -6546354}, {-48814997, -5175926}, {-48666648, -4650820}, {-48416355, -3640670}, {-48173788, -2389333}, {-48059689, -1542776}, {-47989236, -963142}, {-47988421, -954092}, {-47908090, 106824}, {-47878053, 573422}, {-47849952, 1687025}, {-47645107, 4755332}, {-47768143, 5288883}, {-47768047, 5291706}, {-47527604, 7621018}, {-47663943, 7838131}, {-47525823, 8455742}, {-47689343, 9155509}, {-47795210, 10268834}, {-47978714, 11428999}, {-48194112, 12344043}, {-48481144, 13309478}, {-48642179, 13794190}, {-48842780, 14334161}, {-49197836, 15187901}, {-49588991, 16033320}, {-49853153, 16562549}, {-50513053, 17792804}, {-50882667, 18419696}, {-51438514, 19339116}, {-51718684, 19773192}, {-52179489, 20475205}, {-52491489, 20942905}, {-52496021, 20949622}, {-53290936, 22086329}, {-53752870, 22724706}, {-54177967, 23303509}, {-54181286, 23308060}, {-55141698, 24578760}, {-55144467, 24582493}, {-55936527, 25607586}, {-56390354, 26180675}, {-56401601, 26194795}, {-57375148, 27425084}, {-57796140, 27725621}, {-58510273, 28592781}, {-65026204, 36326237}, {-66321141, 37899688}, {-67553055, 39431322}, {-68707652, 40912081}, {-69414421, 41847539}, {-70373648, 43171709}, {-70802160, 43801970}, {-69626708, 44423826}, {-69500832, 44580612}, {-69517438, 44759180}, {-70402232, 46571248}, {-70631353, 47139129}, {-70790322, 47645204}, {-70880079, 48170004}, {-70836022, 48432201}, {-70393757, 48597581}, {-69696951, 48717065}, {-69166672, 48746854}, {-66168401, 48719007}, {-66004571, 48777066}, {-65913199, 48953792}, {-65819709, 50214929}, {-64567977, 49966674}, {-63318168, 49705469}, {-60009943, 48909169}, {-56515788, 47981280}, {-54126539, 47316536}, {-46386391, 45110400}, {-43369296, 44277479}, {-40263700, 43467720}, {-39395835, 43264181}, {-37625205, 42849082}, {-37483166, 42819432}, {-36253801, 42563516}, {-35674412, 42454458}, {-35515136, 42424491}, {-35048870, 42199191}, {-34862709, 42168781}, {-33252621, 41926411}, {-32502942, 41835599}, {-31999592, 41778303}, {-31076021, 41691629}, {-30193707, 41636746}, {-29260187, 41590640}, {-29176144, 41589180}, {-28142088, 41581326}, {-27548623, 41596261}, {-26950500, 41621514}, {-26907420, 41624187}, {-27296983, 41112633}, {-27381326, 40996047}, {-27989012, 40963451}, {-28138692, 40959253}, {-29172601, 40940110}, {-30216723, 40958086}, {-30968347, 40990968}, {-32059596, 41069576}, {-32574047, 41111839}, {-33323922, 41188523}, {-33355502, 41192102}, {-34970203, 41401547}, {-35176124, 41432378}, {-35690171, 41369764}, {-36438808, 41490323}, {-37698617, 41699347}, {-39653744, 42065692}, {-43800396, 42915182}, {-45342457, 43261526}, {-45348345, 43262775}, {-50568599, 44305692}, {-50574460, 44306791}, {-53615613, 44840310}, {-53623507, 44841566}, {-55534335, 45114997}, {-56455716, 45222015}, {-56990415, 45265339}, {-58176151, 45361070}, {-58988986, 45390201}, {-59754351, 45388396}, {-60364211, 45358767}, {-61360217, 45251837}, {-62159687, 45076387}, {-62794134, 44850846}, {-63424043, 44497175}, {-63912607, 44054027}, {-64275381, 43487793}, {-64498459, 42717071}, {-64535148, 42192268}, {-64471205, 41405650}, {-64314543, 40690545}, {-64120100, 40058090}, {-63874462, 39404122}, {-63581000, 38726318}, {-63242248, 38023061}, {-63048962, 37665614}, {-62451850, 36563209}, {-61998277, 35793781}, {-61994661, 35787838}, {-61010738, 34219433}, {-61006329, 34212647}, {-59353428, 31755703}, {-58915997, 31155400}, {-58904968, 31139811}, {-58173450, 30074020}, {-57605465, 29308774}, {-57267309, 28853350}, {-56935597, 28379741}, {-56758677, 27893678}, {-55833774, 26626414}, {-55384145, 26031982}, {-55378724, 26024436}, {-54620031, 24974408}, {-54614601, 24966864}, {-53686336, 23672495}, {-53263954, 23077836}, {-52819950, 22424397}, {-52812898, 22413958}, {-52039562, 21262463}, {-51720551, 20779964}, {-51268827, 20062375}, {-51004463, 19621601}, {-50993923, 19603829}, {-50450501, 18677012}, {-50134549, 18108099}, {-49637035, 17140780}, {-49202252, 16226805}, {-48915776, 15586329}, {-48502177, 14536860}, {-48293881, 13926867}, {-48131171, 13424218}, {-47957911, 12802996}, {-47710562, 11741154}, {-47547264, 10744476}, {-47411827, 9350391}, {-47399989, 9163312}, {-47526019, 8468044}, {-47381692, 7839505}, {-47527604, 7621018}, {-47487457, 5279674}, {-47644915, 4762661}, {-47645107, 4755332}, {-47560209, 1681367}, {-47560253, 1679345}, {-47591199, 565817}, {-47610875, 84616}, {-47689099, -976457}, {-47742308, -1576171}, {-47842045, -2389891}, {-47996471, -3333559}, {-48219314, -4396851}, {-48438557, -5270192}, {-48712153, -6237043}, {-49060161, -7284025}, {-49063021, -7292452}, {-49415948, -8239818}, {-49473812, -8389762}, {-49953551, -9530354}, {-50412680, -10529202}, {-50415227, -10534771}, {-50893546, -11521628}, {-50916067, -11567425}, {-51554754, -12808303}, {-52019235, -13695926}, {-52446210, -14467999}, {-52801876, -15142704}, {-52808818, -15155800}, {-53480037, -16413921}, {-53584936, -16919960}, {-53843700, -17435906}, {-53846126, -17440877}, {-54868733, -19595920}, {-54872166, -19603470}, {-55326937, -20648845}, {-55543581, -21190124}, {-55680915, -21533885}, {-56036127, -22524045}, {-56325917, -23486648}, {-56536000, -24407114}, {-56625601, -25224967}, {-56678029, -25738177}, {-56653328, -26373647}, {-56547823, -26988562}, {-56342934, -27593803}, {-56040970, -28128453}, {-55803719, -28427693}, {-55381973, -28822864}, {-54839359, -29182948}, {-54386222, -29398844}, {-53567537, -29700868}, {-52853584, -29879786}, {-52093673, -30015999}, {-51292005, -30115523}, {-50452932, -30183406}, {-49578991, -30224183}, {-49569346, -30224448}, {-47759328, -30239656}, {-47749986, -30239561}, {-45372177, -30171922}, {-44666915, -30125409}, {-43916922, -30103842}, {-43639264, -30083267}, {-43130808, -30180062}, {-42674180, -30139307}, {-41463591, -30058983}, {-41449327, -30058073}, {-39193983, -29919875}, {-39155994, -29917901}, {-38098825, -29878010}, {-38081454, -29877418}, {-36709714, -29835798}, {-36306241, -29836742}, {-34937704, -29853628}, {-34254369, -29892783}, {-34238932, -29893784}, {-33203711, -29965009}, {-32164627, -30082538}, {-31146078, -30236999}, {-30227180, -30411554}, {-29766902, -30710288}}); }