Package net.imglib2.util

Source Code of net.imglib2.util.ImgUtilTest

/*
* #%L
* ImgLib2: a general-purpose, multidimensional image processing library.
* %%
* Copyright (C) 2009 - 2014 Stephan Preibisch, Tobias Pietzsch, Barry DeZonia,
* Stephan Saalfeld, Albert Cardona, Curtis Rueden, Christian Dietz, Jean-Yves
* Tinevez, Johannes Schindelin, Lee Kamentsky, Larry Lindsey, Grant Harris,
* Mark Hiner, Aivar Grislis, Martin Horn, Nick Perry, Michael Zinsmaier,
* Steffen Jaensch, Jan Funke, Mark Longair, and Dimiter Prodanov.
* %%
* 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.util;

import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import net.imglib2.RandomAccess;
import net.imglib2.img.Img;
import net.imglib2.img.array.ArrayImgFactory;
import net.imglib2.type.numeric.integer.IntType;
import net.imglib2.type.numeric.integer.LongType;
import net.imglib2.type.numeric.real.DoubleType;
import net.imglib2.type.numeric.real.FloatType;

import org.junit.Test;

/**
* TODO
*
*/
public class ImgUtilTest
{

  @Test
  public void testCopyDoubleArrayIntIntArrayImgOfT()
  {
    final double[] input = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
    final int[] offsets = { 0, 0, 8 };
    final int[][] strides = { { 1, 3 }, { 3, 1 }, { -1, -3 } };
    final double[][][] expected = {
        {
        { 0, 1, 2 },
        { 3, 4, 5 },
        { 6, 7, 8 }
    }, {
    { 0, 3, 6 },
    { 1, 4, 7 },
    { 2, 5, 8 }
    }, {
    { 8, 7, 6 },
    { 5, 4, 3 },
    { 2, 1, 0 }
    } };
    for ( int i = 0; i < offsets.length; i++ )
    {
      final Img< DoubleType > img = new ArrayImgFactory< DoubleType >().create( new long[] { 3, 3 }, new DoubleType() );
      ImgUtil.copy( input, offsets[ i ], strides[ i ], img );
      final RandomAccess< DoubleType > ra = img.randomAccess();
      final long[] location = new long[ 2 ];
      for ( int x = 0; x < 3; x++ )
      {
        location[ 0 ] = x;
        for ( int y = 0; y < 3; y++ )
        {
          location[ 1 ] = y;
          ra.setPosition( location );
          assertEquals( expected[ i ][ y ][ x ], ra.get().get(), 0 );
        }
      }
    }
  }

  @Test
  public void testCopyFloatArrayIntIntArrayImgOfT()
  {
    final float[] input = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
    final int[] offsets = { 0, 0, 8 };
    final int[][] strides = { { 1, 3 }, { 3, 1 }, { -1, -3 } };
    final float[][][] expected = {
        {
        { 0, 1, 2 },
        { 3, 4, 5 },
        { 6, 7, 8 }
    }, {
    { 0, 3, 6 },
    { 1, 4, 7 },
    { 2, 5, 8 }
    }, {
    { 8, 7, 6 },
    { 5, 4, 3 },
    { 2, 1, 0 }
    } };
    for ( int i = 0; i < offsets.length; i++ )
    {
      final Img< FloatType > img = new ArrayImgFactory< FloatType >().create( new long[] { 3, 3 }, new FloatType() );
      ImgUtil.copy( input, offsets[ i ], strides[ i ], img );
      final RandomAccess< FloatType > ra = img.randomAccess();
      final long[] location = new long[ 2 ];
      for ( int x = 0; x < 3; x++ )
      {
        location[ 0 ] = x;
        for ( int y = 0; y < 3; y++ )
        {
          location[ 1 ] = y;
          ra.setPosition( location );
          assertEquals( expected[ i ][ y ][ x ], ra.get().get(), 0 );
        }
      }
    }
  }

  @Test
  public void testCopyLongArrayIntIntArrayImgOfT()
  {
    final long[] input = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
    final int[] offsets = { 0, 0, 8 };
    final int[][] strides = { { 1, 3 }, { 3, 1 }, { -1, -3 } };
    final long[][][] expected = {
        {
        { 0, 1, 2 },
        { 3, 4, 5 },
        { 6, 7, 8 }
    }, {
    { 0, 3, 6 },
    { 1, 4, 7 },
    { 2, 5, 8 }
    }, {
    { 8, 7, 6 },
    { 5, 4, 3 },
    { 2, 1, 0 }
    } };
    for ( int i = 0; i < offsets.length; i++ )
    {
      final Img< LongType > img = new ArrayImgFactory< LongType >().create( new long[] { 3, 3 }, new LongType() );
      ImgUtil.copy( input, offsets[ i ], strides[ i ], img );
      final RandomAccess< LongType > ra = img.randomAccess();
      final long[] location = new long[ 2 ];
      for ( int x = 0; x < 3; x++ )
      {
        location[ 0 ] = x;
        for ( int y = 0; y < 3; y++ )
        {
          location[ 1 ] = y;
          ra.setPosition( location );
          assertEquals( expected[ i ][ y ][ x ], ra.get().get(), 0 );
        }
      }
    }
  }

  @Test
  public void testCopyIntArrayIntIntArrayImgOfT()
  {
    final int[] input = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
    final int[] offsets = { 0, 0, 8 };
    final int[][] strides = { { 1, 3 }, { 3, 1 }, { -1, -3 } };
    final int[][][] expected = {
        {
        { 0, 1, 2 },
        { 3, 4, 5 },
        { 6, 7, 8 }
    }, {
    { 0, 3, 6 },
    { 1, 4, 7 },
    { 2, 5, 8 }
    }, {
    { 8, 7, 6 },
    { 5, 4, 3 },
    { 2, 1, 0 }
    } };
    for ( int i = 0; i < offsets.length; i++ )
    {
      final Img< IntType > img = new ArrayImgFactory< IntType >().create( new long[] { 3, 3 }, new IntType() );
      ImgUtil.copy( input, offsets[ i ], strides[ i ], img );
      final RandomAccess< IntType > ra = img.randomAccess();
      final long[] location = new long[ 2 ];
      for ( int x = 0; x < 3; x++ )
      {
        location[ 0 ] = x;
        for ( int y = 0; y < 3; y++ )
        {
          location[ 1 ] = y;
          ra.setPosition( location );
          assertEquals( expected[ i ][ y ][ x ], ra.get().get(), 0 );
        }
      }
    }
  }

  @Test
  public void testCopyImgOfTDoubleArrayIntIntArray()
  {
    final double[][] input = { { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 } };
    final int[] offsets = { 0, 0, 8 };
    final int[][] strides = { { 1, 3 }, { 3, 1 }, { -1, -3 } };
    final double[][] expected = {
        { 0, 1, 2, 3, 4, 5, 6, 7, 8 },
        { 0, 3, 6, 1, 4, 7, 2, 5, 8 },
        { 8, 7, 6, 5, 4, 3, 2, 1, 0 } };
    final double[] output = new double[ 9 ];
    final Img< DoubleType > img = new ArrayImgFactory< DoubleType >().create( new long[] { 3, 3 }, new DoubleType() );
    final RandomAccess< DoubleType > ra = img.randomAccess();
    final long[] location = new long[ 2 ];
    for ( int x = 0; x < 3; x++ )
    {
      location[ 0 ] = x;
      for ( int y = 0; y < 3; y++ )
      {
        location[ 1 ] = y;
        ra.setPosition( location );
        ra.get().set( input[ y ][ x ] );
      }
    }
    for ( int i = 0; i < offsets.length; i++ )
    {
      ImgUtil.copy( img, output, offsets[ i ], strides[ i ] );
      assertArrayEquals( expected[ i ], output, 0 );
    }
  }

  @Test
  public void testCopyImgOfTFloatArrayIntIntArray()
  {
    final float[][] input = { { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 } };
    final int[] offsets = { 0, 0, 8 };
    final int[][] strides = { { 1, 3 }, { 3, 1 }, { -1, -3 } };
    final float[][] expected = {
        { 0, 1, 2, 3, 4, 5, 6, 7, 8 },
        { 0, 3, 6, 1, 4, 7, 2, 5, 8 },
        { 8, 7, 6, 5, 4, 3, 2, 1, 0 } };
    final float[] output = new float[ 9 ];
    final Img< FloatType > img = new ArrayImgFactory< FloatType >().create( new long[] { 3, 3 }, new FloatType() );
    final RandomAccess< FloatType > ra = img.randomAccess();
    final long[] location = new long[ 2 ];
    for ( int x = 0; x < 3; x++ )
    {
      location[ 0 ] = x;
      for ( int y = 0; y < 3; y++ )
      {
        location[ 1 ] = y;
        ra.setPosition( location );
        ra.get().set( input[ y ][ x ] );
      }
    }
    for ( int i = 0; i < offsets.length; i++ )
    {
      ImgUtil.copy( img, output, offsets[ i ], strides[ i ] );
      assertArrayEquals( expected[ i ], output, 0 );
    }
  }

  @Test
  public void testCopyImgOfTLongArrayIntIntArray()
  {
    final long[][] input = { { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 } };
    final int[] offsets = { 0, 0, 8 };
    final int[][] strides = { { 1, 3 }, { 3, 1 }, { -1, -3 } };
    final long[][] expected = {
        { 0, 1, 2, 3, 4, 5, 6, 7, 8 },
        { 0, 3, 6, 1, 4, 7, 2, 5, 8 },
        { 8, 7, 6, 5, 4, 3, 2, 1, 0 } };
    final long[] output = new long[ 9 ];
    final Img< LongType > img = new ArrayImgFactory< LongType >().create( new long[] { 3, 3 }, new LongType() );
    final RandomAccess< LongType > ra = img.randomAccess();
    final long[] location = new long[ 2 ];
    for ( int x = 0; x < 3; x++ )
    {
      location[ 0 ] = x;
      for ( int y = 0; y < 3; y++ )
      {
        location[ 1 ] = y;
        ra.setPosition( location );
        ra.get().set( input[ y ][ x ] );
      }
    }
    for ( int i = 0; i < offsets.length; i++ )
    {
      ImgUtil.copy( img, output, offsets[ i ], strides[ i ] );
      assertArrayEquals( expected[ i ], output );
    }
  }

  @Test
  public void testCopyImgOfTIntArrayIntIntArray()
  {
    final int[][] input = { { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 } };
    final int[] offsets = { 0, 0, 8 };
    final int[][] strides = { { 1, 3 }, { 3, 1 }, { -1, -3 } };
    final int[][] expected = {
        { 0, 1, 2, 3, 4, 5, 6, 7, 8 },
        { 0, 3, 6, 1, 4, 7, 2, 5, 8 },
        { 8, 7, 6, 5, 4, 3, 2, 1, 0 } };
    final int[] output = new int[ 9 ];
    final Img< LongType > img = new ArrayImgFactory< LongType >().create( new long[] { 3, 3 }, new LongType() );
    final RandomAccess< LongType > ra = img.randomAccess();
    final long[] location = new long[ 2 ];
    for ( int x = 0; x < 3; x++ )
    {
      location[ 0 ] = x;
      for ( int y = 0; y < 3; y++ )
      {
        location[ 1 ] = y;
        ra.setPosition( location );
        ra.get().set( input[ y ][ x ] );
      }
    }
    for ( int i = 0; i < offsets.length; i++ )
    {
      ImgUtil.copy( img, output, offsets[ i ], strides[ i ] );
      assertArrayEquals( expected[ i ], output );
    }
  }

}
TOP

Related Classes of net.imglib2.util.ImgUtilTest

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.