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

Example 86 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 long seed) {
    final DoubleType in = new DoubleType(i);
    final DoubleType out = (DoubleType) ops.run(RandomUniform.class, in.createVariable(), in, seed);
    assertEquals(o, out.get(), 0);
}

Example 87 with DoubleType

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

the class StatisticsTest method MeanStdTest.

@Test
public void MeanStdTest() {
    float sum = 0.0f;
    for (int i = 0; i < arraySize; i++) {
        sum += array[i];
    }
    float variance = 0.0f;
    float mean1 = sum / (arraySize);
    // use the mean to calculate the variance
    for (int i = 0; i < arraySize; i++) {
        float temp = array[i] - mean1;
        variance += temp * temp;
    }
    variance = variance / arraySize;
    float std1 = (float) Math.sqrt(variance);
    // calculate mean using ops
    final DoubleType mean2 = new DoubleType();
    ops.run(IterableMean.class, mean2, img);
    // check that the ratio between mean1 and mean2 is 1.0
    Assert.assertEquals(1.0, mean1 / mean2.getRealFloat(), delta);
    // calculate standard deviation using ops
    final DoubleType std2 = new DoubleType();
    ops.run(IterableStandardDeviation.class, std2, img);
    // check that the ratio between std1 and std2 is 1.0
    Assert.assertEquals(1.0, std1 / std2.getRealFloat(), delta);
}

Example 88 with DoubleType

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

the class AddDimensionViewTest method addDimensionTest.

@Test
public void addDimensionTest() {
    Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 10, 10 }, new DoubleType());
    MixedTransformView<DoubleType> il2 = Views.addDimension((RandomAccessible<DoubleType>) img);
    MixedTransformView<DoubleType> opr = ops.transform().addDimensionView((RandomAccessible<DoubleType>) img);
    assertEquals(il2.numDimensions(), opr.numDimensions());
    boolean[] il2Transform = new boolean[3];
    boolean[] oprTransform = new boolean[3];
    il2.getTransformToSource().getComponentZero(il2Transform);
    opr.getTransformToSource().getComponentZero(oprTransform);
    for (int i = 0; i < il2Transform.length; i++) {
        assertEquals(il2Transform[i], oprTransform[i]);
    }
}

Example 89 with DoubleType

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

the class AddDimensionViewTest method addDimensionMinMaxTest.

@Test
public void addDimensionMinMaxTest() {
    Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 10, 10 }, new DoubleType());
    int max = 20;
    int min = 0;
    IntervalView<DoubleType> il2 = Views.addDimension(img, min, max);
    IntervalView<DoubleType> opr = ops.transform().addDimensionView(img, min, max);
    assertEquals(il2.numDimensions(), opr.numDimensions(), 0.0);
    for (int i = 0; i < il2.numDimensions(); i++) {
        assertEquals(il2.dimension(i), opr.dimension(i), 0.0);
    }
}

Example 90 with DoubleType

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

the class CollapseRealViewTest method defaultCollapseRealTest.

@Test
public void defaultCollapseRealTest() {
    Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 10, 10 }, new DoubleType());
    CompositeIntervalView<DoubleType, RealComposite<DoubleType>> il2 = Views.collapseReal((RandomAccessibleInterval<DoubleType>) img);
    CompositeIntervalView<DoubleType, RealComposite<DoubleType>> opr = ops.transform().collapseRealView((RandomAccessibleInterval<DoubleType>) img);
    assertEquals(il2.numDimensions(), opr.numDimensions());
    CompositeView<DoubleType, RealComposite<DoubleType>> il2_2 = Views.collapseReal((RandomAccessible<DoubleType>) img, 1);
    CompositeView<DoubleType, RealComposite<DoubleType>> opr_2 = ops.transform().collapseRealView((RandomAccessible<DoubleType>) img, 1);
    assertEquals(il2_2.numDimensions(), opr_2.numDimensions());
}