Examples with ArrayImgFactory net.imglib2.img.array.ArrayImgFactory used on opensource projects

Example 51 with ArrayImgFactory

use of net.imglib2.img.array.ArrayImgFactory in project imagej-ops by imagej.

the class PermuteViewTest method defaultPermuteCoordinatesInverseTest.

@Test
public void defaultPermuteCoordinatesInverseTest() {
    Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 2, 2 }, new DoubleType());
    Cursor<DoubleType> c = img.cursor();
    Random r = new Random();
    while (c.hasNext()) {
        c.next().set(r.nextDouble());
    }
    Cursor<DoubleType> il2 = Views.permuteCoordinatesInverse(img, new int[] { 0, 1 }).cursor();
    RandomAccess<DoubleType> opr = ops.transform().permuteCoordinatesInverseView(img, new int[] { 0, 1 }).randomAccess();
    while (il2.hasNext()) {
        il2.next();
        opr.setPosition(il2);
        assertEquals(il2.get().get(), opr.get().get(), 1e-10);
    }
}

Example 52 with ArrayImgFactory

use of net.imglib2.img.array.ArrayImgFactory in project imagej-ops by imagej.

the class PermuteViewTest method testIntervalPermute.

@Test
public void testIntervalPermute() {
    Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 10, 10 }, new DoubleType());
    IntervalView<DoubleType> expected = Views.permute((RandomAccessibleInterval<DoubleType>) img, 1, 0);
    IntervalView<DoubleType> actual = ops.transform().permuteView((RandomAccessibleInterval<DoubleType>) img, 1, 0);
    for (int i = 0; i < ((MixedTransformView<DoubleType>) expected.getSource()).getTransformToSource().getMatrix().length; i++) {
        for (int j = 0; j < ((MixedTransformView<DoubleType>) expected.getSource()).getTransformToSource().getMatrix()[i].length; j++) {
            assertEquals(((MixedTransformView<DoubleType>) expected.getSource()).getTransformToSource().getMatrix()[i][j], ((MixedTransformView<DoubleType>) actual.getSource()).getTransformToSource().getMatrix()[i][j], 1e-10);
        }
    }
}

Example 53 with ArrayImgFactory

use of net.imglib2.img.array.ArrayImgFactory in project imagej-ops by imagej.

the class RotateViewTest method testIntervalRotateInterval.

@Test
public void testIntervalRotateInterval() {
    final Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 20, 10 }, new DoubleType());
    final IntervalView<DoubleType> il2 = Views.rotate((RandomAccessibleInterval<DoubleType>) img, 1, 0);
    final IntervalView<DoubleType> opr = ops.transform().rotateView((RandomAccessibleInterval<DoubleType>) img, 1, 0);
    assertEquals(img.min(1), il2.min(0));
    assertEquals(img.max(1), il2.max(0));
    assertEquals(img.min(0), -il2.max(1));
    assertEquals(img.max(0), -il2.min(1));
    for (int i = 0; i < il2.numDimensions(); i++) {
        assertEquals(il2.max(i), opr.max(i));
        assertEquals(il2.min(i), opr.min(i));
    }
}

Example 54 with ArrayImgFactory

use of net.imglib2.img.array.ArrayImgFactory in project imagej-ops by imagej.

the class StackViewTest method defaultStackTest.

@Test
public void defaultStackTest() {
    Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 10, 10 }, new DoubleType());
    List<Img<DoubleType>> list = new ArrayList<>();
    list.add(img);
    list.add(img);
    RandomAccessibleInterval<DoubleType> il2 = Views.stack(list);
    RandomAccessibleInterval<DoubleType> opr = ops.transform().stackView(list);
    assertEquals(il2.dimension(2), opr.dimension(2));
}

Example 55 with ArrayImgFactory

use of net.imglib2.img.array.ArrayImgFactory in project imagej-ops by imagej.

the class SubsampleViewTest method defaultSubsampleTest.

@Test
public void defaultSubsampleTest() {
    Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 10, 10 }, new DoubleType());
    Random r = new Random();
    for (DoubleType d : img) {
        d.set(r.nextDouble());
    }
    SubsampleView<DoubleType> il2 = Views.subsample((RandomAccessible<DoubleType>) img, 2);
    SubsampleView<DoubleType> opr = ops.transform().subsampleView(img, 2);
    Cursor<DoubleType> il2C = Views.interval(il2, new long[] { 0, 0 }, new long[] { 4, 4 }).localizingCursor();
    RandomAccess<DoubleType> oprRA = opr.randomAccess();
    while (il2C.hasNext()) {
        il2C.next();
        oprRA.setPosition(il2C);
        assertEquals(il2C.get().get(), oprRA.get().get(), 1e-10);
    }
}