Examples with RealLocalizable net.imglib2.RealLocalizable used on opensource projects

Example 26 with RealLocalizable

use of net.imglib2.RealLocalizable in project imagej-ops by imagej.

the class CentroidPolygon method calculate.

@Override
public RealLocalizable calculate(final Polygon2D input) {
    double area = sizeFunc.calculate(input).get();
    double cx = 0;
    double cy = 0;
    for (int i = 0; i < input.numVertices(); i++) {
        RealLocalizable p0 = input.vertex(i);
        RealLocalizable p1 = input.vertex((i + 1) % input.numVertices());
        double p0_x = p0.getDoublePosition(0);
        double p0_y = p0.getDoublePosition(1);
        double p1_x = p1.getDoublePosition(0);
        double p1_y = p1.getDoublePosition(1);
        cx += (p0_x + p1_x) * (p0_x * p1_y - p1_x * p0_y);
        cy += (p0_y + p1_y) * (p0_x * p1_y - p1_x * p0_y);
    }
    return new RealPoint(cx / (area * 6), cy / (area * 6));
}

Example 27 with RealLocalizable

use of net.imglib2.RealLocalizable in project imagej-ops by imagej.

the class PolygonFeatureTests method boundingBox.

@Test
public void boundingBox() {
    // ground truth verified with matlab
    final List<? extends RealLocalizable> received = GeomUtils.vertices(((Polygon2D) ops.run(DefaultBoundingBox.class, contour)));
    final RealPoint[] expected = new RealPoint[] { new RealPoint(1, 6), new RealPoint(1, 109), new RealPoint(78, 109), new RealPoint(78, 6) };
    assertEquals("Number of polygon points differs.", expected.length, received.size());
    for (int i = 0; i < expected.length; i++) {
        assertEquals("Polygon point " + i + " differs in x-coordinate.", expected[i].getDoublePosition(0), received.get(i).getDoublePosition(0), EPSILON);
        assertEquals("Polygon point " + i + " differs in y-coordinate.", expected[i].getDoublePosition(1), received.get(i).getDoublePosition(1), EPSILON);
    }
}

Example 28 with RealLocalizable

use of net.imglib2.RealLocalizable in project imagej-ops by imagej.

the class QuickHull3DTest method quickhull_4_Test.

@Test
public void quickhull_4_Test() {
    LinkedHashSet<RealLocalizable> points = new LinkedHashSet<>();
    points.add(new Vertex(0, 0, 0));
    points.add(new Vertex(1, 0, 0));
    points.add(new Vertex(0, 0, 1));
    points.add(new Vertex(0, 1, 0));
    DefaultMesh df = new DefaultMesh(points);
    DefaultMesh convexHull = (DefaultMesh) ops.run(DefaultConvexHull3D.class, df);
    assertTrue(isConvex(convexHull.getFacets(), convexHull.getEpsilon()));
    assertEquals(4, convexHull.getVertices().size());
}

Example 29 with RealLocalizable

use of net.imglib2.RealLocalizable in project imagej-ops by imagej.

the class QuickHull3DTest method quickhull_40_Test.

@Test
public void quickhull_40_Test() {
    // 20 result points
    LinkedHashSet<RealLocalizable> points = new LinkedHashSet<>();
    points.add(new Vertex(0.3215426810286406, 0.1678336189760208, -0.2203710966001927));
    points.add(new Vertex(0.2229772524190855, -0.4213242506806965, -0.1966818060695024));
    points.add(new Vertex(0.3688830163971363, -0.1831502133823468, -0.2056387967482571));
    points.add(new Vertex(-0.1712592515826777, -0.3542439228428937, 0.2223876390814666));
    points.add(new Vertex(-0.3309556113844324, -0.370961861099081, 0.2439994981922204));
    points.add(new Vertex(-0.1004397059794885, -0.09014152417903909, -0.008600084584765189));
    points.add(new Vertex(0.458374538420117, -0.09914027349943322, -0.2505798421339875));
    points.add(new Vertex(-0.4954086979808367, -0.3339869997780649, -0.3195065691317492));
    points.add(new Vertex(0.053091190339151, 0.3036317017894533, 0.1380056861210668));
    points.add(new Vertex(0.4615616439483703, 0.4665423151725366, 0.1766835406205464));
    points.add(new Vertex(-0.4797380864431505, 0.0419809916447671, -0.4254776681079321));
    points.add(new Vertex(-0.003168473023146823, -0.2525299883005488, -0.27151530400991));
    points.add(new Vertex(-0.3577162826971303, -0.1375644040643837, -0.04494194644032229));
    points.add(new Vertex(-0.3392973838740004, 0.4288679723896719, -0.01599531622230571));
    points.add(new Vertex(0.1667164640191164, 0.003605551555385444, -0.4014989499947977));
    points.add(new Vertex(0.00714666676441833, 0.1140243407469469, 0.407090128778564));
    points.add(new Vertex(-0.03621271768232132, 0.3728502838619522, 0.4947140370446388));
    points.add(new Vertex(-0.3411871756810576, -0.3328629143842151, -0.4270033635450559));
    points.add(new Vertex(0.3544683273457627, -0.450828987127942, -0.0827870439577727));
    points.add(new Vertex(-0.4018510635028137, 0.08917494033386464, -0.2367824197158054));
    points.add(new Vertex(0.3978697768392692, -0.002667689232777493, 0.1641431727112673));
    points.add(new Vertex(-0.245701439441835, 0.495905311308713, -0.3194406286994373));
    points.add(new Vertex(0.161352035739787, -0.1563404972258401, 0.3852604361113724));
    points.add(new Vertex(0.07214279572678994, -0.4960366976410492, 0.1112227161519441));
    points.add(new Vertex(0.3201855824516951, 0.359077846965825, 0.02136723140381946));
    points.add(new Vertex(0.1190541238701475, -0.05734495917087884, 0.2032677509852384));
    points.add(new Vertex(0.3210853052521919, 0.4807189479290684, 0.4433501688235907));
    points.add(new Vertex(0.3862800354941562, 0.2085496142586224, 0.09336129957191763));
    points.add(new Vertex(0.1233572616459404, 0.265491605052251, 0.117400122450106));
    points.add(new Vertex(0.1438531872293476, -0.2594872752758556, -0.2026374435076839));
    points.add(new Vertex(0.2724846394476338, -0.3506708492996831, 0.2750346518820475));
    points.add(new Vertex(-0.4926118841325975, -0.3279366743079728, 0.3683135596740186));
    points.add(new Vertex(0.2459906458351674, 0.3647787136629026, -0.1641662355178652));
    points.add(new Vertex(-0.141922976953837, -0.2994764654892278, -0.3009570467294725));
    points.add(new Vertex(-0.1850859398814719, 0.2606059478228967, 0.004159106876849283));
    points.add(new Vertex(-0.09789466634196664, -0.3156603563722785, -0.303610991503681));
    points.add(new Vertex(0.2100642609503719, -0.4499717643018549, 0.3245569875692548));
    points.add(new Vertex(-0.1707163766685095, -0.2301452446078371, -0.05112823569320907));
    points.add(new Vertex(-0.312260808713977, -0.1674135249735914, 0.2808831662692904));
    points.add(new Vertex(-0.1966306233747216, 0.2291105671125563, -0.3387042454804333));
    DefaultMesh df = new DefaultMesh(points);
    DefaultMesh convexHull = (DefaultMesh) ops.run(DefaultConvexHull3D.class, df);
    assertTrue(isConvex(convexHull.getFacets(), convexHull.getEpsilon()));
    assertEquals(20, convexHull.getVertices().size());
}

Example 30 with RealLocalizable

use of net.imglib2.RealLocalizable in project imagej-ops by imagej.

the class QuickHull3DTest method quickhull_6_Test.

@Test
public void quickhull_6_Test() {
    LinkedHashSet<RealLocalizable> points = new LinkedHashSet<>();
    points.add(new Vertex(3.2, 4.8, 4.4));
    points.add(new Vertex(0, -4.9, 1.1));
    points.add(new Vertex(-2.4, 4.9, -3.1));
    points.add(new Vertex(4.5, -0.9, -2.5));
    points.add(new Vertex(-4.7, 0.4, -4.2));
    points.add(new Vertex(-1.9, 2.2, -3.3));
    DefaultMesh df = new DefaultMesh(points);
    DefaultMesh convexHull = (DefaultMesh) ops.run(DefaultConvexHull3D.class, df);
    assertTrue(isConvex(convexHull.getFacets(), convexHull.getEpsilon()));
    assertEquals(5, convexHull.getVertices().size());
}