本文整理了Java中net.imglib2.util.Intervals类的一些代码示例，展示了Intervals类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Intervals类的具体详情如下：
包路径：net.imglib2.util.Intervals
类名称：Intervals

Intervals介绍

[英]Convenience methods for manipulating Interval.
[中]操作间隔的简便方法。

代码示例

代码示例来源：origin: net.imglib2/imglib2

/**
 * Creates an image with randomized content.
 * @param type Pixel type
 * @param interval Interval
 */
public < T extends NativeType< T > > RandomAccessibleInterval< T > nextImage( final T type, Interval interval )
{
  long[] sizes = Intervals.dimensionsAsLongArray( interval );
  long[] min = Intervals.minAsLongArray( interval );
  return Views.translate( nextImage( type, sizes ), min );
}

代码示例来源：origin: imagej/imagej-ops

@Override
public boolean conforms() {
  // conforms only if the kernel is sufficiently small
  return Intervals.numElements(kernel) <= 9;
}

代码示例来源：origin: imagej/imagej-ops

public static <I1, I2, O> boolean compatible(
  final RandomAccessibleInterval<I1> a, final IterableInterval<I2> b,
  final RandomAccessibleInterval<O> c)
{
  return Intervals.contains(a, b) && Intervals.contains(c, b);
}

代码示例来源：origin: imagej/imagej-ops

private static Interval slightlyEnlarge(RealInterval realInterval,
  long border)
{
  return Intervals.expand(Intervals.smallestContainingInterval(realInterval),
    border);
}

代码示例来源：origin: net.imglib2/imglib2

static String intervalToString( Interval a )
{
  return "{min=" + Arrays.toString( Intervals.minAsLongArray( a ) ) +
      ", max=" + Arrays.toString( Intervals.maxAsLongArray( a ) ) + "}";
}

代码示例来源：origin: imagej/imagej-ops

@Override
public RandomAccessibleInterval<T> calculate(RandomAccessibleInterval<T> input) {
  final long[] newDims = Intervals.dimensionsAsLongArray(in());
  for (int i = 0; i < Math.min(scaleFactors.length, in().numDimensions()); i++) {
    newDims[i] = Math.round(in().dimension(i) * scaleFactors[i]);
  }
  IntervalView<T> interval = Views.interval(Views.raster(RealViews.affineReal(
    Views.interpolate(Views.extendMirrorSingle(input), interpolator),
    new Scale(scaleFactors))), new FinalInterval(newDims));
  return interval;
}

代码示例来源：origin: net.imglib2/imglib2-algorithms

/**
 * Compute the partial derivative of source in a particular dimension.
 *
 * @param source
 *            source image, has to provide valid data in the interval of the
 *            gradient image plus a one pixel border in dimension.
 * @param gradient
 *            output image
 * @param dimension
 *            along which dimension the partial derivatives are computed
 */
public static < T extends NumericType< T > > void gradientCentralDifference2( final RandomAccessible< T > source, final RandomAccessibleInterval< T > gradient, final int dimension )
{
  final Cursor< T > front = Views.flatIterable( Views.interval( source, Intervals.translate( gradient, 1, dimension ) ) ).cursor();
  final Cursor< T > back = Views.flatIterable( Views.interval( source, Intervals.translate( gradient, -1, dimension ) ) ).cursor();
  for( final T t : Views.flatIterable( gradient ) )
  {
    t.set( front.next() );
    t.sub( back.next() );
    t.mul( 0.5 );
  }
}

代码示例来源：origin: fiji/TrackMate

final Interval interval = Intervals.createMinSize( minsize );
final IntervalView< T > view = Views.zeroMin(Views.interval( Views.extendZero( img ), interval ) );
final RandomAccess< T > sourceRA = view.randomAccess( view );
final Cursor< T > targetCursor = crop.localizingCursor();

代码示例来源：origin: net.imglib2/imglib2

/**
 * Expand a RandomAccessibleInterval as specified by border. Out of bounds
 * pixels will be sampled by mirroring source. Boundary pixels are not
 * repeated. Note that this requires that all dimensions of the source (F
 * source) must be > 1.
 *
 * @param source
 *            the interval to expand.
 * @return Expansion of the {@link RandomAccessibleInterval} source as
 *         specified by border.
 */
public static < T > IntervalView< T > expandMirrorSingle( final RandomAccessibleInterval< T > source, final long... border )
{
  return interval( extendMirrorSingle( source ), Intervals.expand( source, border ) );
}

代码示例来源：origin: sc.fiji/bigdataviewer-core

final Interval cropBoundingBox = Intervals.smallestContainingInterval( IntervalBoundingBox.getBoundingBox( sourceCorners ) );
Interval sourceInterval = Intervals.intersect( cropBoundingBox, sourceImg );
if ( Intervals.isEmpty( sourceInterval ) )
    minsize[ d ] = cropBoundingBox.min( d ) + cropBoundingBox.dimension( d ) / 2;
  Arrays.fill( minsize, n, n * 2, 1 );
  sourceInterval = Intervals.createMinSize( minsize );
croppedSourceImg = Views.zeroMin( Views.interval( Views.extendBorder( sourceImg ), sourceInterval ) );
croppedSourceTransform.set(
  1, 0, 0, sourceInterval.min( 0 ),

代码示例来源：origin: net.imglib2/imglib2

/**
 * Expand a RandomAccessibleInterval as specified by border. source will be
 * extended with a periodic out-of-bounds strategy.
 *
 * @param source
 *            the interval to expand.
 * @return Expansion of the {@link RandomAccessibleInterval} source as
 *         specified by border.
 */
public static < T > IntervalView< T > expandPeriodic( final RandomAccessibleInterval< T > source, final long... border )
{
  return interval( extendPeriodic( source ), Intervals.expand( source, border ) );
}

代码示例来源：origin: net.imglib2/imglib2

/**
 * Expand a RandomAccessibleInterval as specified by border. source will be
 * extended with the zero-element of that data type.
 *
 * @param source
 *            the interval to expand.
 * @return Expansion of the {@link RandomAccessibleInterval} source as
 *         specified by border.
 */
public static < T extends NumericType< T > > IntervalView< T > expandZero( final RandomAccessibleInterval< T > source, final long... border )
{
  return interval( extendZero( source ), Intervals.expand( source, border ) );
}

代码示例来源：origin: net.imglib2/imglib2

/**
 * Expand a RandomAccessibleInterval as specified by border. source will be
 * extended with the border value.
 *
 * @param source
 *            the interval to expand.
 * @return Expansion of the {@link RandomAccessibleInterval} source as
 *         specified by border.
 */
public static < T > IntervalView< T > expandBorder( final RandomAccessibleInterval< T > source, final long... border )
{
  return interval( extendBorder( source ), Intervals.expand( source, border ) );
}

代码示例来源：origin: net.imglib2/imglib2-algorithm

/**
 * Compute the partial derivative (central difference approximation) of source
 * in a particular dimension:
 * {@code d_f( x ) = ( f( x + e ) - f( x - e ) ) / 2},
 * where {@code e} is the unit vector along that dimension.
 *
 * @param source
 *            source image, has to provide valid data in the interval of the
 *            gradient image plus a one pixel border in dimension.
 * @param result
 *            output image
 * @param dimension
 *            along which dimension the partial derivatives are computed
 */
public static < T extends NumericType< T > > void gradientCentralDifference( final RandomAccessible< T > source,
    final RandomAccessibleInterval< T > result, final int dimension )
{
  final RandomAccessibleInterval< T > back = Views.interval( source, Intervals.translate( result, -1, dimension ) );
  final RandomAccessibleInterval< T > front = Views.interval( source, Intervals.translate( result, 1, dimension ) );
  LoopBuilder.setImages( result, back, front ).forEachPixel( ( r, b, f ) -> {
    r.set( f );
    r.sub( b );
    r.mul( 0.5 );
  } );
}

代码示例来源：origin: net.imglib2/imglib2

/**
 * Expand a RandomAccessibleInterval as specified by border. Out of bounds
 * pixels will be sampled by mirroring source. Boundary pixels are repeated.
 *
 * @param source
 *            the interval to expand.
 * @return Expansion of the {@link RandomAccessibleInterval} source as
 *         specified by border.
 */
public static < T > IntervalView< T > expandMirrorDouble( final RandomAccessibleInterval< T > source, final long... border )
{
  return interval( extendMirrorDouble( source ), Intervals.expand( source, border ) );
}

代码示例来源：origin: imagej/imagej-ops

private static <V> RandomAccessibleInterval<V> trim(
    final RandomAccessibleInterval<V> image, final int[] blockSize)
  {
    final long[] min = Intervals.minAsLongArray(image);
    final long[] max = Intervals.maxAsLongArray(image);
    for (int d = 0; d < blockSize.length; d++) {
      final long trimSize = image.dimension(d) % blockSize[d];
      final long half = trimSize / 2;
      min[d] += half;
      max[d] -= trimSize - half;
    }
    return Views.interval(image, min, max);
  }
}

代码示例来源：origin: net.imglib2/imglib2

/**
 * Translate the source view by the given translation vector. Pixel
 * <em>x</em> in the source view has coordinates <em>(x + translation)</em>
 * in the resulting view.
 *
 * @param interval
 *            the source
 * @param translation
 *            translation vector of the source view. The pixel at <em>x</em>
 *            in the source view becomes <em>(x + translation)</em> in the
 *            resulting view.
 */
public static < T > IntervalView< T > translate( final RandomAccessibleInterval< T > interval, final long... translation )
{
  return Views.interval(
      Views.translate( ( RandomAccessible< T > ) interval, translation ),
      Intervals.translate( interval, translation ) );
}

代码示例来源：origin: imagej/imagej-ops

private static < T extends ValueEquals< T > > void testEqual( final RandomAccessibleInterval< T > rai1, final RandomAccessibleInterval< T > rai2 )
{
  Assert.assertArrayEquals( Intervals.minAsLongArray( rai1 ), Intervals.minAsLongArray( rai2 ) );
  Assert.assertArrayEquals( Intervals.maxAsLongArray( rai1 ), Intervals.maxAsLongArray( rai2 ) );
  for ( final Pair< T, T > p : Views.interval( Views.pair( rai1, rai2 ), rai1 ) )
    Assert.assertTrue( p.getA().valueEquals( p.getB() ) );
}

代码示例来源：origin: net.imglib2/imglib2

/**
 * Checks if both images have equal intervals and content.
 * A predicate must be given to check if two pixels are equal.
 */
public static < T, U > boolean imagesEqual( final RandomAccessibleInterval< ? extends T > a, final RandomAccessibleInterval< ? extends U > b, final BiPredicate< T, U > pixelEquals )
{
  if ( !Intervals.equals( a, b ) )
    return false;
  for ( final Pair< ? extends T, ? extends U > pair : Views.interval( Views.pair( a, b ), b ) )
    if ( !pixelEquals.test( pair.getA(), pair.getB() ) )
      return false;
  return true;
}

代码示例来源：origin: imagej/imagej-ops

@Test
  public void testIntervalSubsampleSteps() {
    Img<DoubleType> img = ArrayImgs.doubles(10,10);
    MersenneTwisterFast r = new MersenneTwisterFast(SEED);
    for (DoubleType d : img) {
      d.set(r.nextDouble());
    }

    SubsampleIntervalView<DoubleType> expected = Views.subsample((RandomAccessibleInterval<DoubleType>) img, 2, 1);
    SubsampleIntervalView<DoubleType> actual = (SubsampleIntervalView<DoubleType>) ops.transform().subsampleView((RandomAccessibleInterval<DoubleType>)img, 2, 1);

    Cursor<DoubleType> il2C = Views.interval(expected, new long[] { 0, 0 }, new long[] { 4, 9 }).localizingCursor();
    RandomAccess<DoubleType> oprRA = actual.randomAccess();

    while (il2C.hasNext()) {
      il2C.next();
      oprRA.setPosition(il2C);
      assertEquals(il2C.get().get(), oprRA.get().get(), 1e-10);
    }
    
    assertTrue(Intervals.equals(expected, actual));
  }
}