net.imglib2.util.Intervals.equals()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中net.imglib2.util.Intervals.equals()方法的一些代码示例，展示了Intervals.equals()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.equals()方法的具体详情如下：
包路径：net.imglib2.util.Intervals
类名称：Intervals
方法名：equals

Intervals.equals介绍

[英]Tests weather two intervals are equal in their min / max
[中]测试两个间隔的最小/最大值是否相等

代码示例

代码示例来源：origin: scifio/scifio

/**
 * Returns true if we have a cached copy of the requested plane available.
 */
private boolean haveCached(final int imageIndex, final long planeIndex,
  final Interval bounds)
{
  // TODO It would be nice to fix up this logic so that we can use
  // cached planes when requesting a sub-region of the cached plane.
  // See https://github.com/scifio/scifio/issues/155
  return planeIndex == lastPlaneIndex && //
    imageIndex == lastImageIndex && //
    lastPlane != null && lastPlaneBounds != null && //
    Intervals.equals(bounds, lastPlaneBounds);
}

代码示例来源：origin: io.scif/scifio

/**
 * Returns true if we have a cached copy of the requested plane available.
 */
private boolean haveCached(final int imageIndex, final long planeIndex,
  final Interval bounds)
{
  // TODO It would be nice to fix up this logic so that we can use
  // cached planes when requesting a sub-region of the cached plane.
  // See https://github.com/scifio/scifio/issues/155
  return planeIndex == lastPlaneIndex && //
    imageIndex == lastImageIndex && //
    lastPlane != null && lastPlaneBounds != null && //
    Intervals.equals(bounds, lastPlaneBounds);
}

代码示例来源：origin: imglib/imglib2

/**
 * Throws an AssertionError, if the two Intervals differ.
 */
public static void assertIntervalEquals( Interval a, Interval b )
{
  if ( !Intervals.equals( a, b ) )
    fail( "Intervals are different, expected: " + intervalToString( a ) + ", actual: " + intervalToString( b ) );
}

代码示例来源：origin: net.imglib2/imglib2

/**
 * Throws an AssertionError, if the two Intervals differ.
 */
public static void assertIntervalEquals( Interval a, Interval b )
{
  if ( !Intervals.equals( a, b ) )
    fail( "Intervals are different, expected: " + intervalToString( a ) + ", actual: " + intervalToString( b ) );
}

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: imglib/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

@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;
  }
}

代码示例来源：origin: imagej/imagej-ops

@Test
  public void testIntervalTranslate() {
    Img<DoubleType> img = ArrayImgs.doubles(10,10);

    IntervalView<DoubleType> expected = Views.translate(img, 2, 5);
    IntervalView<DoubleType> actual = ops.transform().translateView(img, 2, 5);

    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);
      }
    }
    
    assertTrue(Intervals.equals(expected, actual));
  }
}

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));
  }
}

代码示例来源：origin: imagej/imagej-ops

@Test
public void testIntervalSubsample() {
  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);
  SubsampleIntervalView<DoubleType> actual = (SubsampleIntervalView<DoubleType>) ops.transform().subsampleView((RandomAccessibleInterval<DoubleType>)img, 2);
  Cursor<DoubleType> il2C = Views.interval(expected, new long[] { 0, 0 }, new long[] { 4, 4 }).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));
}

代码示例来源：origin: imagej/imagej-ops

@Test
public void testIntervalPermuteDimensionCoordinates() {
  Img<DoubleType> img = ArrayImgs.doubles(2, 2);
  Cursor<DoubleType> c = img.cursor();
  MersenneTwisterFast r = new MersenneTwisterFast(SEED);
  while (c.hasNext()) {
    c.next().set(r.nextDouble());
  }
  IntervalView<DoubleType> expected = Views.permuteCoordinates(img, new int[]{0, 1}, 1);
  Cursor<DoubleType> e = expected.cursor();
  RandomAccessibleInterval<DoubleType> actual = ops.transform().permuteCoordinatesView(img, new int[]{0, 1}, 1);
  RandomAccess<DoubleType> actualRA = actual.randomAccess();
  
  while (e.hasNext()) {
    e.next();
    actualRA.setPosition(e);
    assertEquals(e.get().get(), actualRA.get().get(), 1e-10);
  }
  
  assertTrue(Intervals.equals(expected, actual));
  
}

代码示例来源：origin: imagej/imagej-ops

@Test
public void testIntervalPermuteCoordinates() {
  Img<DoubleType> img = ArrayImgs.doubles(2, 2);
  Cursor<DoubleType> c = img.cursor();
  MersenneTwisterFast r = new MersenneTwisterFast(SEED);
  while (c.hasNext()) {
    c.next().set(r.nextDouble());
  }
  IntervalView<DoubleType> expected = Views.permuteCoordinates(img, new int[]{0, 1});
  Cursor<DoubleType> e = expected.cursor();
  RandomAccessibleInterval<DoubleType> actual = ops.transform().permuteCoordinatesView(img, new int[]{0, 1});
  RandomAccess<DoubleType> actualRA = actual.randomAccess();
  
  while (e.hasNext()) {
    e.next();
    actualRA.setPosition(e);
    assertEquals(e.get().get(), actualRA.get().get(), 1e-10);
  }
  
  assertTrue(Intervals.equals(expected, actual));
  
}

代码示例来源：origin: imagej/imagej-ops

@Test
  public void testIntervalPermuteInverseDimensionCoordinates() {
    Img<DoubleType> img = ArrayImgs.doubles(2, 2);
    Cursor<DoubleType> c = img.cursor();
    MersenneTwisterFast r = new MersenneTwisterFast(SEED);
    while (c.hasNext()) {
      c.next().set(r.nextDouble());
    }
    IntervalView<DoubleType> expected = Views.permuteCoordinatesInverse(img, new int[]{0, 1}, 1);
    Cursor<DoubleType> e = expected.cursor();
    RandomAccessibleInterval<DoubleType> actual = ops.transform().permuteCoordinatesInverseView(img, new int[]{0, 1}, 1);
    RandomAccess<DoubleType> actualRA = actual.randomAccess();
    
    while (e.hasNext()) {
      e.next();
      actualRA.setPosition(e);
      assertEquals(e.get().get(), actualRA.get().get(), 1e-10);
    }
    
    assertTrue(Intervals.equals(expected, actual));
    
  }
}

代码示例来源：origin: imagej/imagej-ops

@Test
public void testIntervalPermuteInverseCoordinates() {
  Img<DoubleType> img = ArrayImgs.doubles(2, 2);
  Cursor<DoubleType> c = img.cursor();
  MersenneTwisterFast r = new MersenneTwisterFast(SEED);
  while (c.hasNext()) {
    c.next().set(r.nextDouble());
  }
  IntervalView<DoubleType> expected = Views.permuteCoordinatesInverse(img, new int[]{0, 1});
  Cursor<DoubleType> e = expected.cursor();
  RandomAccessibleInterval<DoubleType> actual = ops.transform().permuteCoordinatesInverseView(img, new int[]{0, 1});
  RandomAccess<DoubleType> actualRA = actual.randomAccess();
  
  while (e.hasNext()) {
    e.next();
    actualRA.setPosition(e);
    assertEquals(e.get().get(), actualRA.get().get(), 1e-10);
  }
  
  assertTrue(Intervals.equals(expected, actual));
  
}

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