net.imglib2.view.Views.zeroMin()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中net.imglib2.view.Views.zeroMin()方法的一些代码示例，展示了Views.zeroMin()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。Views.zeroMin()方法的具体详情如下：
包路径：net.imglib2.view.Views
类名称：Views
方法名：zeroMin

Views.zeroMin介绍

[英]Translate the source such that the upper left corner is at the origin
[中]平移源，使左上角位于原点

代码示例

代码示例来源：origin: imagej/imagej-ops

@Override
public IntervalView<T> calculate(RandomAccessibleInterval<T> input) {
  return Views.zeroMin(input);
}

代码示例来源：origin: net.imglib2/imglib2

public SubsampleIntervalView( final RandomAccessibleInterval< T > source, final long... steps )
{
  super( Views.zeroMin( source ), steps );
  dimensions = new long[ steps.length ];
  max = new long[ steps.length ];
  for ( int d = 0; d < steps.length; ++d )
  {
    this.steps[ d ] = steps[ d ];
    dimensions[ d ] = ( int )Math.ceil( ( double )source.dimension( d ) / steps[ d ]);
    max[ d ] = dimensions[ d ] - 1;
  }
}

代码示例来源：origin: net.imglib2/imglib2

public SubsampleIntervalView( final RandomAccessibleInterval< T > source, final long step )
{
  super( Views.zeroMin( source ), step );
  dimensions = new long[ steps.length ];
  max = new long[ steps.length ];
  for ( int d = 0; d < steps.length; ++d )
  {
    steps[ d ] = step;
    dimensions[ d ] = ( int )Math.ceil( ( double )source.dimension( d ) / step );
    max[ d ] = dimensions[ d ] - 1;
  }
}

代码示例来源：origin: imglib/imglib2

public SubsampleIntervalView( final RandomAccessibleInterval< T > source, final long... steps )
{
  super( Views.zeroMin( source ), steps );
  dimensions = new long[ steps.length ];
  max = new long[ steps.length ];
  for ( int d = 0; d < steps.length; ++d )
  {
    this.steps[ d ] = steps[ d ];
    dimensions[ d ] = ( int )Math.ceil( ( double )source.dimension( d ) / steps[ d ]);
    max[ d ] = dimensions[ d ] - 1;
  }
}

代码示例来源：origin: imglib/imglib2

public SubsampleIntervalView( final RandomAccessibleInterval< T > source, final long step )
{
  super( Views.zeroMin( source ), step );
  dimensions = new long[ steps.length ];
  max = new long[ steps.length ];
  for ( int d = 0; d < steps.length; ++d )
  {
    steps[ d ] = step;
    dimensions[ d ] = ( int )Math.ceil( ( double )source.dimension( d ) / step );
    max[ d ] = dimensions[ d ] - 1;
  }
}

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

/** Flip one axis of an image; for example, flip the orientation of the x axis.
   * @param img
   * @param dimension The index of the dimension to flip; x=0, y=1, z=2, ...
   */
  public InvertAxis(final RandomAccessibleInterval<R> img, final int dimension) {
    super(Views.zeroMin(Views.invertAxis(img, dimension)));
  }
}

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

public ROI(final RandomAccessibleInterval<R> img, final long[] offset, final long[] dimensions) {
  super(Views.zeroMin(Views.interval(img, offset, asMax(offset, dimensions))));
}

代码示例来源：origin: net.preibisch/multiview-simulation

public void run()
  {
    final long[] min1 = min.clone();
    final long[] max1 = max.clone();
    getInterval( min1, max1, 1 );
    if ( halfPixelOffset )
      split1 = SimulateMultiViewDataset.extractSlices(
          Views.zeroMin( Views.interval( conHalfPixel, min1, max1 ) ),
          lightsheetSpacing, snr, new Random( seed1 ) );
    else
      split1 = SimulateMultiViewDataset.extractSlices(
          Views.zeroMin( Views.interval( con, min1, max1 ) ),
          lightsheetSpacing, snr, new Random( seed1 ) );
  }
} );

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

static private final <R extends RealType<R>> IntervalView<R> process(final Img<R> img, final Mode mode) {
    IntervalView<R> iv;
    if (Mode.R90 == mode) {
      iv = Views.rotate(img, 0, 1);
    } else if (Mode.R270 == mode) {
      iv = Views.rotate(img, 1, 0);
    } else if (Mode.R180 == mode) {
      iv = Views.rotate(Views.rotate(img, 0, 1), 0, 1);
    } else {
      throw new IllegalArgumentException("Invalid Mode: " + mode);
    }
    return Views.zeroMin(iv);
  }
}

代码示例来源：origin: net.preibisch/multiview-simulation

public void run()
  {
    final long[] min1 = min.clone();
    final long[] max1 = max.clone();
    getInterval( min1, max1, 0 );
    //System.out.println( new Date( System.currentTimeMillis() ) + ": extracting slices tile " + tile + " snr=" +snr );
    split0 = SimulateMultiViewDataset.extractSlices(
        Views.zeroMin( Views.interval( con, min1, max1 ) ),
        lightsheetSpacing,
        snr,
        new Random( seed0 ) );
  }
} );

代码示例来源：origin: net.preibisch/multiview-reconstruction

/**
 * get the highest index in dimension dim where a hyperslice of img in that dimension contains nonzero values.
 * NB: the result is in local image coordinates (i.e. we zero-min the input)
 * @param img the input image
 * @param dim the dimension along which to check
 * @param <T> pixel type
 * @return the highest index with nonzero pixels
 */
public static <T extends RealType< T >> long getMaxNonzero(RandomAccessibleInterval< T > img, int dim)
{
  final RandomAccessibleInterval< T > imgLocal = Views.isZeroMin( img ) ? img :Views.zeroMin( img );
  long i = imgLocal.dimension( dim ) - 1;
  for (; i >= 0; i--)
  {
    if (isNonezero( Views.hyperSlice( imgLocal, dim, i ) ))
      return i;
  }
  return 0l;
}

代码示例来源：origin: net.preibisch/multiview-reconstruction

@Override
public boolean runInitialization(
    final Img< FloatType > psi,
    final List< DeconView > views,
    final ExecutorService service )
{
  for ( int d = 0; d < psi.numDimensions(); ++d )
    if ( input.dimension( d ) != psi.dimension( d ) )
    {
      IOFunctions.println( "Image dimensions do not match: " + Util.printInterval( input ) + " != " + Util.printInterval( psi ) );
      return false;
    }
  FusionTools.copyImg( Views.zeroMin( input ), Views.zeroMin( psi ), service );
  IOFunctions.println( "RandomAccessibleInterval copied onto PSI for init, now approx computing of avg & max." );
  return init2.runInitialization( psi, views, service );
}

代码示例来源：origin: net.preibisch/multiview-reconstruction

@Override
public boolean runInitialization(
    final Img< FloatType > psi,
    final List< DeconView > views,
    final ExecutorService service )
{
  try
  {
    final Img< FloatType > input = IOFunctions.openAs32Bit( psiStartFile, new CellImgFactory<>() );
    for ( int d = 0; d < psi.numDimensions(); ++d )
      if ( input.dimension( d ) != psi.dimension( d ) )
      {
        IOFunctions.println( "Image dimensions do not match: " + Util.printInterval( input ) + " != " + Util.printInterval( psi ) );
        return false;
      }
    FusionTools.copyImg( Views.zeroMin( input ), Views.zeroMin( psi ), service );
    IOFunctions.println( "File: " + psiStartFile.getAbsolutePath() + " copied onto PSI for init, now approx computing of avg & max." );
    return init2.runInitialization( psi, views, service );
  } 
  catch ( RuntimeException e )
  {
    IOFunctions.println( "Cannot load init file: " + psiStartFile.getAbsolutePath() + ": " + e );
    return false;
  }
}

代码示例来源：origin: net.preibisch/multiview-reconstruction

public static < T extends Type< T > > Img< T > copyImgNoTranslation(
    final RandomAccessibleInterval< T > input,
    final ImgFactory< T > factory,
    final T type,
    final ExecutorService service,
    final boolean showProgress  )
{
  final RandomAccessibleInterval< T > in;
  if ( Views.isZeroMin( input ) )
    in = input;
  else
    in = Views.zeroMin( input );
  final long[] dim = new long[ in.numDimensions() ];
  in.dimensions( dim );
  final Img< T > tImg = factory.create( dim, type );
  // copy the virtual construct into an actual image
  copyImg( in, tImg, service, showProgress );
  return tImg;
}

代码示例来源：origin: net.imglib2/imglib2-ij

public void setMinMax ( final RandomAccessibleInterval< S > source, final Converter< S, FloatType > converter )
  {
    final RandomAccessibleIntervalCursor< S > cursor = new RandomAccessibleIntervalCursor< S >( Views.isZeroMin( source ) ? source : Views.zeroMin( source ) );
    final FloatType t = new FloatType();

    if ( cursor.hasNext() )
    {
      converter.convert( cursor.next(), t );

      float min = t.get();
      float max = min;

      while ( cursor.hasNext() )
      {
        converter.convert( cursor.next(), t );
        final float value = t.get();

        if ( value < min )
          min = value;

        if ( value > max )
          max = value;
      }

      System.out.println("fmax = " + max );
      System.out.println("fmin = " + min );
      imageProcessor.setMinAndMax( min, max );
    }
  }
}

代码示例来源：origin: imagej/imagej-ops

/**
 * Add 0s before axis minimum.
 * 
 * @param input Input RAI
 * @return An extended and cropped version of input
 */
private <T extends RealType<T>> RandomAccessibleInterval<T> addLeadingZeros(
  RandomAccessibleInterval<T> input)
{
  final long[] min = Intervals.minAsLongArray(input);
  final long[] max = Intervals.maxAsLongArray(input);
  for (int i = 0; i < max.length; i++) {
    min[i]--;
  }
  final T realZero = Util.getTypeFromInterval(input).copy();
  realZero.setZero();
  final ExtendedRandomAccessibleInterval<T, RandomAccessibleInterval<T>> extendedImg = Views.extendValue(input,
    realZero);
  final IntervalView<T> offsetInterval = Views.interval(extendedImg,
    min, max);
  
  return Views.zeroMin(offsetInterval);
}

代码示例来源：origin: net.preibisch/multiview-reconstruction

in = input;
else
  in = Views.zeroMin( input );

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

/** Copy img into iimg, offset by 1 in every dimension. */
static private final <R extends NumericType<R>, T extends NumericType<T>> void transferN(
    final Img<R> img,
    final Img<T> iimg,
    final Converter<R, T> converter)
{
  // Copy img to iimg, with an offset of 1 in every dimension
  final long[] min = new long[img.numDimensions()];
  final long[] max = new long[min.length];
  for (int i=0; i<min.length; ++i) {
    min[i] = 1;
    max[i] = img.dimension(i);
  }
  final Cursor<R> c1 = img.cursor();
  final RandomAccess<T> r = Views.zeroMin(Views.interval(iimg, min, max)).randomAccess();
  while (c1.hasNext()) {
    c1.fwd();
    r.setPosition(c1);
    converter.convert(c1.get(), r.get());
  }
}

代码示例来源：origin: net.preibisch/multiview-reconstruction

final Cursor< T > psfCursor = Views.iterable( Views.zeroMin( psf ) ).localizingCursor();

代码示例来源：origin: imagej/imagej-ops

@Test
  public void defaultZeroMinTest() {
    Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 10, 10 }, new DoubleType());

    IntervalView<DoubleType> imgTranslated = Views.interval(
        Views.translate((RandomAccessible<DoubleType>) img, 2, 5), new long[] { 2, 5 }, new long[] { 12, 15 });

    IntervalView<DoubleType> il2 = Views.zeroMin(imgTranslated);
    IntervalView<DoubleType> opr = ops.transform().zeroMinView(imgTranslated);

    assertTrue(Views.isZeroMin(il2) == Views.isZeroMin(opr));
  }
}

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