Examples with Pair net.imglib2.util.Pair used on opensource projects

Example 26 with Pair

use of net.imglib2.util.Pair in project imagej-ops by imagej.

the class DefaultMinorMajorAxis method calculate.

@Override
public Pair<DoubleType, DoubleType> calculate(final Polygon2D input) {
    List<RealLocalizable> points = new ArrayList<>(GeomUtils.vertices(input));
    // Sort RealLocalizables of P by x-coordinate (in case of a tie,
    // sort by
    // y-coordinate). Sorting is counter clockwise.
    Collections.sort(points, new Comparator<RealLocalizable>() {

        @Override
        public int compare(final RealLocalizable o1, final RealLocalizable o2) {
            final Double o1x = new Double(o1.getDoublePosition(0));
            final Double o2x = new Double(o2.getDoublePosition(0));
            final int result = o2x.compareTo(o1x);
            if (result == 0) {
                return new Double(o2.getDoublePosition(1)).compareTo(new Double(o1.getDoublePosition(1)));
            }
            return result;
        }
    });
    points.add(points.get(0));
    // calculate minor and major axis
    double[] minorMajorAxis = getMinorMajorAxis(input, points);
    return new ValuePair<>(new DoubleType(minorMajorAxis[0]), new DoubleType(minorMajorAxis[1]));
}

Example 27 with Pair

use of net.imglib2.util.Pair in project imagej-ops by imagej.

the class DefaultFeretsAngle method compute.

@Override
public void compute(final Pair<RealLocalizable, RealLocalizable> input, final DoubleType output) {
    final RealLocalizable p1 = input.getA();
    final RealLocalizable p2 = input.getB();
    final double degree = Math.atan2(p2.getDoublePosition(1) - p1.getDoublePosition(1), p2.getDoublePosition(0) - p1.getDoublePosition(0)) * (180.0 / Math.PI);
    output.set(degree % 180);
}

Example 28 with Pair

use of net.imglib2.util.Pair in project imagej-ops by imagej.

the class DefaultFeretsDiameter method compute.

@Override
public void compute(final Pair<RealLocalizable, RealLocalizable> input, final DoubleType output) {
    final RealLocalizable p1 = input.getA();
    final RealLocalizable p2 = input.getB();
    output.set(Math.hypot(p1.getDoublePosition(0) - p2.getDoublePosition(0), p1.getDoublePosition(1) - p2.getDoublePosition(1)));
}

Example 29 with Pair

use of net.imglib2.util.Pair in project imagej-ops by imagej.

the class DefaultMaximumFeret method calculate.

@Override
public Pair<RealLocalizable, RealLocalizable> calculate(Polygon2D input) {
    final List<? extends RealLocalizable> points = GeomUtils.vertices(function.calculate(input));
    double distance = Double.NEGATIVE_INFINITY;
    RealLocalizable p0 = points.get(0);
    RealLocalizable p1 = points.get(0);
    for (int i = 0; i < points.size(); i++) {
        for (int j = i + 2; j < points.size(); j++) {
            final RealLocalizable tmpP0 = points.get(i);
            final RealLocalizable tmpP1 = points.get(j);
            final double tmp = Math.sqrt(Math.pow(tmpP0.getDoublePosition(0) - tmpP1.getDoublePosition(0), 2) + Math.pow(tmpP0.getDoublePosition(1) - tmpP1.getDoublePosition(1), 2));
            if (tmp > distance) {
                distance = tmp;
                p0 = tmpP0;
                p1 = tmpP1;
            }
        }
    }
    return new ValuePair<>(p0, p1);
}

Example 30 with Pair

use of net.imglib2.util.Pair in project imagej-ops by imagej.

the class NormalizeTest method testNormalize.

@Test
public void testNormalize() {
    Img<ByteType> in = generateByteArrayTestImg(true, 5, 5);
    Img<ByteType> out = in.factory().create(in, new ByteType());
    ops.run(NormalizeIIComputer.class, out, in);
    final Pair<ByteType, ByteType> minMax2 = ops.stats().minMax(out);
    assertEquals(minMax2.getA().get(), Byte.MIN_VALUE);
    assertEquals(minMax2.getB().get(), Byte.MAX_VALUE);
    final IterableInterval<ByteType> lazyOut = ops.image().normalize(in);
    final IterableInterval<ByteType> notLazyOut = ops.image().normalize(in, null, null, null, null, false);
    final Cursor<ByteType> outCursor = out.cursor();
    final Cursor<ByteType> lazyCursor = lazyOut.cursor();
    final Cursor<ByteType> notLazyCursor = notLazyOut.cursor();
    while (outCursor.hasNext()) {
        assertEquals(outCursor.next().get(), lazyCursor.next().get());
        assertEquals(outCursor.get().get(), notLazyCursor.next().get());
    }
}