Java Code Examples for net.imglib2.Localizable#getLongPosition()

The following examples show how to use net.imglib2.Localizable#getLongPosition() . 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: ShuffledView.java    From imagej-ops with BSD 2-Clause "Simplified" License 5 votes vote down vote up
private static <T> RandomAccessibleInterval<T> cropAt(
	final RandomAccessibleInterval<T> image, final int[] blockSize,
	final Localizable offset)
{
	final int numDims = image.numDimensions();
	final long[] minsize = new long[numDims * 2];
	for (int d = 0; d < numDims; d++) {
		minsize[d] = offset.getLongPosition(d);
		final long shaveSize = image.dimension(d) % blockSize[d];
		minsize[numDims + d] = image.dimension(d) - shaveSize;
	}
	return Views.interval(image, FinalInterval.createMinSize(minsize));
}
 
Example 2
Source File: PhaseCorrelation2Util.java    From BigStitcher with GNU General Public License v2.0 4 votes vote down vote up
public static Pair<Interval, Interval> getOverlapIntervals(Dimensions img1, Dimensions img2, Localizable shift){
	
	final int numDimensions = img1.numDimensions();
	final long[] offsetImage1 = new long[ numDimensions ];
	final long[] offsetImage2 = new long[ numDimensions ];
	final long[] maxImage1 = new long[ numDimensions ];
	final long[] maxImage2 = new long[ numDimensions ];
	
	long overlapSize;
	
	for ( int d = 0; d < numDimensions; ++d )
	{
		if ( shift.getLongPosition(d) >= 0 )
		{
			// two possiblities
			//
			//               shift=start              end
			//                 |					   |
			// A: Image 1 ------------------------------
			//    Image 2      ----------------------------------
			//
			//               shift=start	    end
			//                 |			     |
			// B: Image 1 ------------------------------
			//    Image 2      -------------------
			
			// they are not overlapping ( this might happen due to fft zeropadding and extension )
			if ( shift.getLongPosition(d) >= img1.dimension( d ) )
			{
				return null;
			}
			
			offsetImage1[ d ] = shift.getLongPosition(d);
			offsetImage2[ d ] = 0;
			overlapSize = Math.min( img1.dimension( d ) - shift.getLongPosition(d),  img2.dimension( d ) );
			maxImage1[ d ] = offsetImage1[d] + overlapSize -1;
			maxImage2[ d ] = offsetImage2[d] + overlapSize -1;
		}
		else
		{
			// two possiblities
			//
			//          shift start                	  end
			//            |	   |			`		   |
			// A: Image 1      ------------------------------
			//    Image 2 ------------------------------
			//
			//          shift start	     end
			//            |	   |          |
			// B: Image 1      ------------
			//    Image 2 -------------------
			
			// they are not overlapping ( this might happen due to fft zeropadding and extension
			if ( shift.getLongPosition(d) <= -img2.dimension( d ) )
			{
				return null;
			}

			offsetImage1[ d ] = 0;
			offsetImage2[ d ] = -shift.getLongPosition(d);
			overlapSize =  Math.min( img2.dimension( d ) + shift.getLongPosition(d),  img1.dimension( d ) );
			maxImage1[ d ] = offsetImage1[d] + overlapSize -1;
			maxImage2[ d ] = offsetImage2[d] + overlapSize -1;
		}
		
	}		
	
	FinalInterval img1Interval = new FinalInterval(offsetImage1, maxImage1);
	FinalInterval img2Interval = new FinalInterval(offsetImage2, maxImage2);
	
	Pair<Interval, Interval> res = new ValuePair<Interval, Interval>(img1Interval, img2Interval);		
	return res;		
}