Java Code Examples for net.imglib2.view.Views#offsetInterval()

The following examples show how to use net.imglib2.view.Views#offsetInterval() . 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: CommitCanvasN5.java From paintera with GNU General Public License v2.0

6 votes

private static <I extends IntegerType<I> & NativeType<I>> BlockDiff downsampleIntegerTypeAndSerialize(
		final N5Writer n5,
		final String dataset,
		final DatasetAttributes attributes,
		final RandomAccessibleInterval<I> data,
		final int[] relativeFactors,
		final int[] size,
		final Interval blockInterval,
		final long[] blockPosition
) throws IOException {
	final I i = Util.getTypeFromInterval(data).createVariable();
	i.setInteger(Label.OUTSIDE);
	final RandomAccessibleInterval<I> input = Views.isZeroMin(data) ? data : Views.zeroMin(data);
	final RandomAccessibleInterval<I> output = new ArrayImgFactory<>(i).create(size);
	WinnerTakesAll.downsample(input, output, relativeFactors);

	final RandomAccessibleInterval<I> previousContents = Views.offsetInterval(N5Utils.<I>open(n5, dataset), blockInterval);
	final BlockDiff blockDiff = createBlockDiffInteger(previousContents, output);

	N5Utils.saveBlock(output, n5, dataset, attributes, blockPosition);
	return blockDiff;
}

Example 2

Source File: CropRAI.java From imagej-ops with BSD 2-Clause "Simplified" License

6 votes

@Override
public RandomAccessibleInterval<T> calculate(final RandomAccessibleInterval<T> input, final Interval interval) {
	boolean oneSizedDims = false;

	if (dropSingleDimensions) {
		for (int d = 0; d < interval.numDimensions(); d++) {
			if (interval.dimension(d) == 1) {
				oneSizedDims = true;
				break;
			}
		}
	}

	if (Intervals.equals(input, interval) && !oneSizedDims)
		return input;
	if (!Intervals.contains(input, interval))
		throw new RuntimeException("Intervals don't match!");
	IntervalView<T> res = Views.offsetInterval(input, interval);
	return oneSizedDims ? Views.dropSingletonDimensions(res) : res;
}

Example 3

Source File: LocalThresholdIntegral.java From imagej-ops with BSD 2-Clause "Simplified" License

6 votes

/**
 * Removes leading 0s from integral image after composite creation.
 *
 * @param input Input RAI (can be a RAI of Composite)
 * @return An extended and cropped version of input
 */
private <T> RandomAccessibleInterval<T> removeLeadingZeros(
	final RandomAccessibleInterval<T> input)
{
	// Remove 0s from integralImg by shifting its interval by +1
	final long[] min = Intervals.minAsLongArray(input);
	final long[] max = Intervals.maxAsLongArray(input);

	for (int d = 0; d < input.numDimensions(); ++d) {
		int correctedSpan = getShape().getSpan() - 1;
		min[d] += (1 + correctedSpan);
		max[d] -= correctedSpan;
	}

	// Define the Interval on the infinite random accessibles
	final FinalInterval interval = new FinalInterval(min, max);

	final RandomAccessibleInterval<T> extendedImg = Views.offsetInterval(Views
		.extendBorder(input), interval);
	return extendedImg;
}

Example 4