Examples with DoubleType net.imglib2.type.numeric.real.DoubleType used on opensource projects

Example 41 with DoubleType

use of net.imglib2.type.numeric.real.DoubleType in project imagej-ops by imagej.

the class UnaryRealTypeMathTest method assertRandomUniform.

private void assertRandomUniform(final double i, final double o, final double i2, final double o2) {
    final DoubleType in = new DoubleType(i);
    final DoubleType out = new DoubleType();
    final long seed = 0xcafebabe12345678L;
    @SuppressWarnings("unchecked") final UnaryRealTypeMath.RandomUniform<DoubleType, DoubleType> op = ops.op(UnaryRealTypeMath.RandomUniform.class, in.createVariable(), in, seed);
    op.compute(in, out);
    assertEquals(o, out.get(), 0);
    in.set(i2);
    op.compute(in, out);
    assertEquals(o2, out.get(), 0);
}

Example 42 with DoubleType

use of net.imglib2.type.numeric.real.DoubleType 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 43 with DoubleType

use of net.imglib2.type.numeric.real.DoubleType 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 44 with DoubleType

use of net.imglib2.type.numeric.real.DoubleType 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 45 with DoubleType

use of net.imglib2.type.numeric.real.DoubleType in project imagej-ops by imagej.

the class DefaultFeretsDiameterForAngle method compute.

@Override
public void compute(Polygon2D input, DoubleType output) {
    final List<? extends RealLocalizable> points = GeomUtils.vertices(function.calculate(input));
    final double angleRad = -angle * Math.PI / 180.0;
    double minX = Double.POSITIVE_INFINITY;
    double maxX = Double.NEGATIVE_INFINITY;
    for (RealLocalizable p : points) {
        final double tmpX = p.getDoublePosition(0) * Math.cos(angleRad) - p.getDoublePosition(1) * Math.sin(angleRad);
        minX = tmpX < minX ? tmpX : minX;
        maxX = tmpX > maxX ? tmpX : maxX;
    }
    output.set(Math.abs(maxX - minX));
}