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WIP VoronoiOffset: Squash merge of vb_voronoi_offset
Working contour offsetting, skeleton_edges_rough() to detect "important" skeleton edges. Radius of an inscribed circle along the "important" skeleton edges changes slowly, therefore these "important" skeleton edges signify oblong regions possibly needing a gap fill.
This commit is contained in:
Vojtech Bubnik
parent
dc4bdad84a
commit
a116914fce
6 changed files with 2018 additions and 548 deletions
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@ -38,6 +38,26 @@ TEST_CASE("Voronoi missing edges - points 12067", "[Voronoi]")
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{ -5, 0 }
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};
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#if 0
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for (Point &p : pts) {
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Vec2d q = p.cast<double>();
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p.x() = scale_(p.x());
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p.y() = scale_(p.y());
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}
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#endif
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#if 0
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// Try to rotate, maybe the issue is caused by incorrect handling of vertical or horizontal edges?
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double a = 0.18764587962597876897475f;
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double c = cos(a);
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double s = sin(a);
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for (Point &p : poly.points) {
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Vec2d q = p.cast<double>();
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p.x() = coord_t(q.x() * c + q.y() * s + 0.5);
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p.y() = coord_t(- q.x() * s + q.y() * c + 0.5);
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}
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#endif
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// Construction of the Voronoi Diagram.
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VD vd;
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construct_voronoi(pts.begin(), pts.end(), &vd);
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@ -133,33 +153,40 @@ TEST_CASE("Voronoi missing edges - Alessandro gapfill 12707", "[Voronoi]")
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{ { 41427551, 0}, { 42127548, 699996 } }
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};
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Lines lines = to_lines(Polygon {
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{ 0, 10000000},
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{ 700000, 1}, // it has to be 1, higher number, zero or -1 work.
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{ 700000, 9000000},
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{ 9100000, 9000000},
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{ 9100000, 0},
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{10000000, 10000000}
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});
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Polygon poly {
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{ 0, 10000000},
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{ 700000, 1}, // it has to be 1, higher number, zero or -1 work.
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{ 700000, 9000000},
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{ 9100000, 9000000},
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{ 9100000, 0},
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{10000000, 10000000}
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};
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#if 1
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// Try to rotate, maybe the issue is caused by incorrect handling of vertical or horizontal edges?
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double a = 0.18764587962597876897475f;
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double c = cos(a);
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double s = sin(a);
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for (Point &p : poly.points) {
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Vec2d q = p.cast<double>();
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p.x() = coord_t(q.x() * c + q.y() * s + 0.5);
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p.y() = coord_t(- q.x() * s + q.y() * c + 0.5);
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}
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#endif
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Polygon poly;
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std::mt19937 gen;
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std::uniform_int_distribution<coord_t> dist(-100, 100);
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for (size_t i = 0; i < lines.size(); ++ i) {
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Line &l1 = lines[i];
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Line &l2 = lines[(i + 1) % lines.size()];
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REQUIRE(l1.b.x() == l2.a.x());
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REQUIRE(l1.b.y() == l2.a.y());
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for (Point &p : poly.points) {
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#if 0
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// Wiggle the points a bit to find out whether this fixes the voronoi diagram for this particular polygon.
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l1.b.x() = (l2.a.x() += dist(gen));
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l1.b.y() = (l2.a.y() += dist(gen));
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p.x() = (p.x() += dist(gen));
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p.y() = (p.y() += dist(gen));
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#endif
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poly.points.emplace_back(l1.a);
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}
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REQUIRE(intersecting_edges({ poly }).empty());
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Lines lines = to_lines(poly);
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VD vd;
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construct_voronoi(lines.begin(), lines.end(), &vd);
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@ -169,6 +196,114 @@ TEST_CASE("Voronoi missing edges - Alessandro gapfill 12707", "[Voronoi]")
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#endif
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}
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TEST_CASE("Voronoi weirdness", "[Voronoi]")
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{
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Polygon poly2 {
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{ 0, 0 },
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{ 70000000, 0 },
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{ 70000000, 1300000 },
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// { 70000001, 14000000 }
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{ 70700000, 14000000 }
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};
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Polygon poly5 {
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{ 35058884, -25732145 },
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{ 35058884, -19586070 },
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{ 32753739, -20246796 },
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{ 28756244, -21010725 },
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{ 24657532, -21657939 },
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{ 20836260, -21960233 },
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{ 16115145, -22070742 },
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{ 11850152, -21839761 },
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{ 7646240, -21470177 },
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{ 3607605, -20786940 },
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{ 1280947, -20329742 },
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{ -292823, -19963790 },
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{ -3844469, -18809741 },
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{ -7237277, -17593723 },
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{ -10225900, -16143761 },
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{ -13030266, -14643721 },
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{ -15404294, -12977561 },
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{ -17601713, -11280712 },
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{ -19241930, -9435607 },
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{ -20714420, -7583739 },
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{ -21726144, -5664355 },
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{ -22579294, -3741947 },
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{ -22966684, -1786321 },
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{ -23200322, 170140 },
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{ -22966684, 2126602 },
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{ -22579296, 4082227 },
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{ -21726148, 6004637 },
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{ -20714424, 7924020 },
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{ -19241932, 9775888 },
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{ -17601717, 11620994 },
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{ -15404423, 13317749 },
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{ -13030276, 14984003 },
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{ -10225910, 16484042 },
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{ -7237288, 17934005 },
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{ -3844482, 19150025 },
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{ -292841, 20304074 },
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{ 1280949, 20670031 },
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{ 3607587, 21127226 },
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{ 7646218, 21810465 },
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{ 11850128, 22180055 },
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{ 16115122, 22411036 },
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{ 20836263, 22300531 },
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{ 24657513, 21998239 },
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{ 28756227, 21351025 },
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{ 32753725, 20587092 },
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{ 35058893, 19926309 },
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{ 35058893, 35000000 },
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{ -31657232, 35000000 },
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{ -31657202, -35000000 },
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{ 35058881, -35000000 }
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};
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Polygon poly7 {
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{ 35058884, -25732145 },
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{ 35058884, -19586070 },
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{ -31657202, -35000000 },
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{ 35058881, -35000000 }
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};
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// coord_t shift = 35058881;
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coord_t shift_ok = 17000000;
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coord_t shift = 35058881;
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Polygon poly {
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// <-4, 0>: bug
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// -5: ok
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// 1 - ok
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{ 0 + shift, -35000000 },
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{ 0 + shift, -25732145 },
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{ 0 + shift, -19586070 },
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{ -66716086 + shift, -35000000 }
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};
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REQUIRE(intersecting_edges({ poly }).empty());
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REQUIRE(poly.area() > 0.);
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#if 0
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// Try to rotate, maybe the issue is caused by incorrect handling of vertical or horizontal edges?
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double a = 0.18764587962597876897475f;
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double c = cos(a);
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double s = sin(a);
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for (Point &p : poly.points) {
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Vec2d q = p.cast<double>();
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p.x() = coord_t(q.x() * c + q.y() * s + 0.5);
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p.y() = coord_t(- q.x() * s + q.y() * c + 0.5);
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}
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#endif
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VD vd;
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Lines lines = to_lines(poly);
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construct_voronoi(lines.begin(), lines.end(), &vd);
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#ifdef VORONOI_DEBUG_OUT
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dump_voronoi_to_svg(debug_out_path("voronoi-weirdness.svg").c_str(),
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vd, Points(), lines);
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#endif
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}
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// https://svn.boost.org/trac10/ticket/12903
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// division by zero reported, but this issue is most likely a non-issue, as it produces an infinity for the interval of validity
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// of the floating point calculation, therefore forcing a recalculation with extended accuracy.
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@ -1228,7 +1363,7 @@ TEST_CASE("Voronoi offset", "[VoronoiOffset]")
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for (const OffsetTest &ot : {
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OffsetTest { scale_(0.2), 1, 1 },
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OffsetTest { scale_(0.4), 1, 1 },
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OffsetTest { scale_(0.5), 1, 1 },
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OffsetTest { scale_(0.5), 1, 2 },
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OffsetTest { scale_(0.505), 1, 2 },
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OffsetTest { scale_(0.51), 1, 2 },
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OffsetTest { scale_(0.52), 1, 1 },
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@ -1237,21 +1372,21 @@ TEST_CASE("Voronoi offset", "[VoronoiOffset]")
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OffsetTest { scale_(0.55), 1, 0 }
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}) {
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Polygons offsetted_polygons_out = voronoi_offset(vd, lines, ot.distance, scale_(0.005));
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REQUIRE(offsetted_polygons_out.size() == ot.num_outer);
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#if 0
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Polygons offsetted_polygons_out = Slic3r::Voronoi::offset(vd, lines, ot.distance, scale_(0.005));
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#ifdef VORONOI_DEBUG_OUT
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dump_voronoi_to_svg(debug_out_path("voronoi-offset-out-%lf.svg", ot.distance).c_str(),
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vd, Points(), lines, offsetted_polygons_out);
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#endif
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REQUIRE(offsetted_polygons_out.size() == ot.num_outer);
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#endif
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Polygons offsetted_polygons_in = voronoi_offset(vd, lines, - ot.distance, scale_(0.005));
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REQUIRE(offsetted_polygons_in.size() == ot.num_inner);
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Polygons offsetted_polygons_in = Slic3r::Voronoi::offset(vd, lines, - ot.distance, scale_(0.005));
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#ifdef VORONOI_DEBUG_OUT
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dump_voronoi_to_svg(debug_out_path("voronoi-offset-in-%lf.svg", ot.distance).c_str(),
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vd, Points(), lines, offsetted_polygons_in);
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#endif
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REQUIRE(offsetted_polygons_in.size() == ot.num_inner);
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}
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}
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@ -1296,21 +1431,20 @@ TEST_CASE("Voronoi offset 2", "[VoronoiOffset]")
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OffsetTest { scale_(0.4), 2, 2 },
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OffsetTest { scale_(0.45), 2, 2 },
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OffsetTest { scale_(0.48), 2, 2 },
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//FIXME Exact intersections of an Offset curve with any Voronoi vertex are not handled correctly yet.
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// OffsetTest { scale_(0.5), 2, 2 },
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OffsetTest { scale_(0.5), 2, 4 },
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OffsetTest { scale_(0.505), 2, 4 },
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OffsetTest { scale_(0.7), 2, 0 },
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OffsetTest { scale_(0.8), 1, 0 }
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}) {
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Polygons offsetted_polygons_out = voronoi_offset(vd, lines, ot.distance, scale_(0.005));
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Polygons offsetted_polygons_out = Slic3r::Voronoi::offset(vd, lines, ot.distance, scale_(0.005));
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#ifdef VORONOI_DEBUG_OUT
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dump_voronoi_to_svg(debug_out_path("voronoi-offset2-out-%lf.svg", ot.distance).c_str(),
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vd, Points(), lines, offsetted_polygons_out);
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#endif
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REQUIRE(offsetted_polygons_out.size() == ot.num_outer);
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Polygons offsetted_polygons_in = voronoi_offset(vd, lines, - ot.distance, scale_(0.005));
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Polygons offsetted_polygons_in = Slic3r::Voronoi::offset(vd, lines, - ot.distance, scale_(0.005));
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#ifdef VORONOI_DEBUG_OUT
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dump_voronoi_to_svg(debug_out_path("voronoi-offset2-in-%lf.svg", ot.distance).c_str(),
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vd, Points(), lines, offsetted_polygons_in);
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@ -1360,14 +1494,13 @@ TEST_CASE("Voronoi offset 3", "[VoronoiOffset]")
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VD vd;
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Lines lines = to_lines(poly);
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construct_voronoi(lines.begin(), lines.end(), &vd);
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construct_voronoi(lines.begin(), lines.end(), &vd);
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for (const OffsetTest &ot : {
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OffsetTest { scale_(0.2), 2, 2 },
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OffsetTest { scale_(0.4), 2, 2 },
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OffsetTest { scale_(0.49), 2, 2 },
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//FIXME this fails
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// OffsetTest { scale_(0.5), 2, 2 },
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OffsetTest { scale_(0.5), 2, 2 },
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OffsetTest { scale_(0.51), 2, 2 },
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OffsetTest { scale_(0.56), 2, 2 },
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OffsetTest { scale_(0.6), 2, 2 },
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@ -1375,23 +1508,417 @@ TEST_CASE("Voronoi offset 3", "[VoronoiOffset]")
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OffsetTest { scale_(0.8), 1, 6 },
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OffsetTest { scale_(0.9), 1, 6 },
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OffsetTest { scale_(0.99), 1, 6 },
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//FIXME this fails
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// OffsetTest { scale_(1.0), 1, 6 },
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OffsetTest { scale_(1.0), 1, 0 },
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OffsetTest { scale_(1.01), 1, 0 },
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}) {
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Polygons offsetted_polygons_out = voronoi_offset(vd, lines, ot.distance, scale_(0.005));
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Polygons offsetted_polygons_out = Slic3r::Voronoi::offset(vd, lines, ot.distance, scale_(0.005));
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#ifdef VORONOI_DEBUG_OUT
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dump_voronoi_to_svg(debug_out_path("voronoi-offset2-out-%lf.svg", ot.distance).c_str(),
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dump_voronoi_to_svg(debug_out_path("voronoi-offset3-out-%lf.svg", ot.distance).c_str(),
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vd, Points(), lines, offsetted_polygons_out);
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#endif
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REQUIRE(offsetted_polygons_out.size() == ot.num_outer);
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Polygons offsetted_polygons_in = voronoi_offset(vd, lines, - ot.distance, scale_(0.005));
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Polygons offsetted_polygons_in = Slic3r::Voronoi::offset(vd, lines, - ot.distance, scale_(0.005));
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#ifdef VORONOI_DEBUG_OUT
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dump_voronoi_to_svg(debug_out_path("voronoi-offset2-in-%lf.svg", ot.distance).c_str(),
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dump_voronoi_to_svg(debug_out_path("voronoi-offset3-in-%lf.svg", ot.distance).c_str(),
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vd, Points(), lines, offsetted_polygons_in);
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#endif
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REQUIRE(offsetted_polygons_in.size() == ot.num_inner);
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}
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}
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TEST_CASE("Voronoi offset with edge collapse", "[VoronoiOffset4]")
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{
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Polygons poly
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{
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// Outer contour
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{
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{ 434890, -64754575 },
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{ 541060, -64669076 },
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{ 585647, -64583538 },
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{ 576999, -64484233 },
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{ 485666, -64191173 },
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{ 1029323, -63646261 },
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{ 1416925, -63666243 },
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{ 1541532, -63643075 },
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{ 1541535, -63643075 },
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{ 1541535, -63643074 },
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{ 1552612, -63641015 },
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{ 1631609, -63568270 },
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{ 1678393, -63443639 },
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{ 1725519, -63219942 },
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{ 1770552, -62903321 },
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{ 1742544, -62755934 },
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{ 1758152, -62588378 },
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{ 1702289, -62474826 },
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{ 1638627, -62242058 },
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{ 1671281, -61938568 },
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{ 1792676, -61478332 },
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{ 1934894, -60760597 },
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{ 2160333, -60064089 },
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{ 2638183, -58972890 },
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{ 2933095, -58478536 },
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{ 3173586, -58159527 },
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{ 3557779, -57556727 },
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{ 3707088, -57158174 },
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{ 3758053, -56907139 },
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{ 3935932, -56278649 },
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{ 4077331, -56033426 },
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{ 4151386, -55768739 },
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{ 4293796, -55561683 },
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{ 4383089, -55387391 },
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{ 4614128, -55201443 },
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{ 5268755, -54333831 },
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{ 5547634, -53797296 },
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{ 5573864, -53639250 },
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{ 5736812, -53304157 },
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{ 6090973, -52066302 },
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{ 6148630, -51666664 },
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{ 6189511, -50974991 },
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||||
{ 6244112, -50774489 },
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{ 6302489, -50761556 },
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{ 6511179, -50579861 },
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{ 6778128, -50398667 },
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{ 6896879, -50350264 },
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{ 7388259, -49913262 },
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{ 7630584, -49602449 },
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{ 7886846, -48987881 },
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{ 7871333, -48318666 },
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{ 7770349, -47841179 },
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{ 7570223, -47234733 },
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{ 7283115, -46705503 },
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{ 6842948, -46056539 },
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{ 6612732, -45760004 },
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{ 6150430, -44991494 },
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{ 5564326, -44168114 },
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{ 5193032, -43807544 },
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{ 4932097, -43489047 },
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{ 3857385, -42548846 },
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{ 3764745, -42081468 },
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{ 3539887, -41422273 },
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{ 3283048, -40803856 },
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{ 3005925, -40367981 },
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{ 3136185, -39834533 },
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{ 3333757, -38499972 },
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{ 3360660, -38183895 },
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{ 3353375, -38036005 },
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{ 3398808, -37582504 },
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{ 3604229, -37221781 },
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{ 3698079, -36962934 },
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{ 4000449, -36007804 },
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{ 4256811, -35016707 },
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{ 4405951, -34581428 },
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{ 4364534, -34178439 },
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{ 4124603, -33432250 },
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{ 3806159, -32765167 },
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{ 3359088, -32109020 },
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{ 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<Vec2d> skeleton_edges = Slic3r::Voronoi::skeleton_edges_rough(vd, lines, threshold_alpha);
|
||||
|
||||
REQUIRE(! skeleton_edges.empty());
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue