Java Code Examples for net.imglib2.type.numeric.real.FloatType#setReal()

The following examples show how to use net.imglib2.type.numeric.real.FloatType#setReal() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: StatisticsTest.java    From imagej-ops with BSD 2-Clause "Simplified" License 6 votes vote down vote up 
@Test
public void MinMaxTest() {
	float min1 = Float.MAX_VALUE;
	float max1 = Float.MIN_VALUE;

	// loop through the array calculating min and max
	for (int i = 0; i < arraySize; i++) {
		if (array[i] < min1) min1 = array[i];
		if (array[i] > max1) max1 = array[i];
	}

	// calculate min using ops
	FloatType min2 = new FloatType();
	min2.setReal(Float.MAX_VALUE);
	ops.run(IterableMin.class, min2, img);

	// calculate max using ops
	FloatType max2 = new FloatType();
	max2.setReal(Float.MIN_VALUE);
	ops.run(IterableMax.class, max2, img);

	// check to see if everything matches
	Assert.assertEquals(min1, min2.getRealFloat(), delta);
	Assert.assertEquals(max1, max2.getRealFloat(), delta);
}
Example 2
Source File: MathBenchmarkTest.java    From imagej-ops with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
private ArrayImg<FloatType, ?> createConstantImg(long[] dims,
	float constant)
{
	// create an input
	ArrayImg<FloatType, ?> img = new ArrayImgFactory<FloatType>().create(dims,
		new FloatType());

	for (final FloatType value : img) {
		value.setReal(constant);
	}

	return img;

}
Example 3
Source File: WatershedSeededTest.java    From imagej-ops with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
@Test
public void test() {
	long[] dims = { 15, 30 };
	// create input image
	Img<FloatType> input = ArrayImgs.floats(dims);
	MersenneTwisterFast random = new MersenneTwisterFast(SEED);
	for (FloatType b : input) {
		b.setReal(random.nextDouble());
	}

	// create 3 seeds
	Img<BitType> bits = ArrayImgs.bits(dims);
	RandomAccess<BitType> ra = bits.randomAccess();
	ra.setPosition(new int[] { 0, 0 });
	ra.get().set(true);
	ra.setPosition(new int[] { 4, 6 });
	ra.get().set(true);
	ra.setPosition(new int[] { 10, 20 });
	ra.get().set(true);

	// compute labeled seeds
	final ImgLabeling<Integer, IntType> labeledSeeds = ops.labeling().cca(bits, StructuringElement.EIGHT_CONNECTED);

	testWithoutMask(input, labeledSeeds);

	testWithMask(input, labeledSeeds);
}
Example 4
Source File: FFTTest.java    From imagej-ops with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
/**
 * utility that places a sphere in the center of the image
 * 
 * @param img
 */
private void placeSphereInCenter(final Img<FloatType> img) {

	final Point center = new Point(img.numDimensions());

	for (int d = 0; d < img.numDimensions(); d++)
		center.setPosition(img.dimension(d) / 2, d);

	final HyperSphere<FloatType> hyperSphere = new HyperSphere<>(img, center,
		2);

	for (final FloatType value : hyperSphere) {
		value.setReal(1);
	}
}
Example 5
Source File: DeconvolveTest.java    From imagej-ops with BSD 2-Clause "Simplified" License 3 votes vote down vote up 
private void placeSphereInCenter(Img<FloatType> img) {

		final Point center = new Point(img.numDimensions());

		for (int d = 0; d < img.numDimensions(); d++)
			center.setPosition(img.dimension(d) / 2, d);

		HyperSphere<FloatType> hyperSphere = new HyperSphere<>(img, center, 30);

		for (final FloatType value : hyperSphere) {
			value.setReal(1);
		}
	}
Example 6
Source File: ConvolveTest.java    From imagej-ops with BSD 2-Clause "Simplified" License 3 votes vote down vote up 
private void placeSphereInCenter(Img<FloatType> img) {

		final Point center = new Point(img.numDimensions());

		for (int d = 0; d < img.numDimensions(); d++)
			center.setPosition(img.dimension(d) / 2, d);

		HyperSphere<FloatType> hyperSphere = new HyperSphere<>(img, center, 2);

		for (final FloatType value : hyperSphere) {
			value.setReal(1);
		}
	}