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src/test/java/net/imglib2/algorithm/blocks/downsample/DownsampleBdvPlayground2.java
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| /*- | ||
| * #%L | ||
| * ImgLib2: a general-purpose, multidimensional image processing library. | ||
| * %% | ||
| * Copyright (C) 2009 - 2024 Tobias Pietzsch, Stephan Preibisch, Stephan Saalfeld, | ||
| * John Bogovic, Albert Cardona, Barry DeZonia, Christian Dietz, Jan Funke, | ||
| * Aivar Grislis, Jonathan Hale, Grant Harris, Stefan Helfrich, Mark Hiner, | ||
| * Martin Horn, Steffen Jaensch, Lee Kamentsky, Larry Lindsey, Melissa Linkert, | ||
| * Mark Longair, Brian Northan, Nick Perry, Curtis Rueden, Johannes Schindelin, | ||
| * Jean-Yves Tinevez and Michael Zinsmaier. | ||
| * %% | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are met: | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright notice, | ||
| * this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright notice, | ||
| * this list of conditions and the following disclaimer in the documentation | ||
| * and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE | ||
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| * POSSIBILITY OF SUCH DAMAGE. | ||
| * #L% | ||
| */ | ||
| package net.imglib2.algorithm.blocks.downsample; | ||
|
|
||
| import java.util.Arrays; | ||
|
|
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| import bdv.cache.SharedQueue; | ||
| import bdv.util.Bdv; | ||
| import bdv.util.BdvFunctions; | ||
| import bdv.util.BdvSource; | ||
| import bdv.util.volatiles.VolatileViews; | ||
| import bdv.viewer.DisplayMode; | ||
| import ij.IJ; | ||
| import ij.ImagePlus; | ||
| import net.imglib2.algorithm.blocks.BlockAlgoUtils; | ||
| import net.imglib2.algorithm.blocks.BlockSupplier; | ||
| import net.imglib2.algorithm.blocks.UnaryBlockOperator; | ||
| import net.imglib2.algorithm.blocks.convert.Convert; | ||
| import net.imglib2.algorithm.blocks.downsample.Downsample.Offset; | ||
| import net.imglib2.cache.img.CachedCellImg; | ||
| import net.imglib2.img.Img; | ||
| import net.imglib2.img.display.imagej.ImageJFunctions; | ||
| import net.imglib2.type.numeric.ARGBType; | ||
| import net.imglib2.type.numeric.integer.UnsignedByteType; | ||
| import net.imglib2.view.Views; | ||
|
|
||
| public class DownsampleBdvPlayground2 | ||
| { | ||
| public static void main( String[] args ) | ||
| { | ||
| System.setProperty("apple.laf.useScreenMenuBar", "true"); | ||
|
|
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| final String fn = "/Users/pietzsch/workspace/data/e002_stack_fused-8bit.tif"; | ||
| final ImagePlus imp = IJ.openImage( fn ); | ||
| final Img< UnsignedByteType > img = ImageJFunctions.wrapByte( imp ); | ||
|
|
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| final BdvSource bdv = BdvFunctions.show( | ||
| img, | ||
| "img", | ||
| Bdv.options() ); | ||
| bdv.setColor( new ARGBType( 0xffffff ) ); | ||
| bdv.setDisplayRange( 0, 255 ); | ||
| bdv.getBdvHandle().getViewerPanel().setDisplayMode( DisplayMode.SINGLE ); | ||
|
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| final boolean[] downsampleInDim = { true, true, true }; | ||
| final long[] downsampledDimensions = Downsample.getDownsampledDimensions( img.dimensionsAsLongArray(), downsampleInDim ); | ||
| final int[] cellDimensions = { 64, 64, 64 }; | ||
|
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| final double[] calib = new double[ 3 ]; | ||
| Arrays.setAll(calib, d -> downsampleInDim[ d ] ? 2 : 1 ); | ||
|
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| final BlockSupplier< UnsignedByteType > blocks = BlockSupplier | ||
| .of( Views.extendMirrorDouble( img ) ) | ||
| .andThen( Downsample.downsample( | ||
| img.getType(), | ||
| Offset.HALF_PIXEL, | ||
| img.numDimensions() ) ); | ||
|
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| final Img< UnsignedByteType > downsampled = BlockAlgoUtils.cellImg( | ||
| blocks, | ||
| downsampledDimensions, | ||
| cellDimensions ); | ||
|
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| final BdvSource out = BdvFunctions.show( | ||
| VolatileViews.wrapAsVolatile( downsampled, new SharedQueue( 32, 1 ) ), | ||
| "downsampled half-pixel", | ||
| Bdv.options() | ||
| .addTo( bdv ) | ||
| .sourceTransform( calib ) | ||
| ); | ||
| out.setDisplayRange( 0, 255 ); | ||
| out.setColor( new ARGBType( 0x00ff00 ) ); | ||
| } | ||
| } |
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