jpl.mipl.mars.viewer.image
Class BandCombineUtil

java.lang.Object
  jpl.mipl.mars.viewer.image.BandCombineUtil

public class BandCombineUtil
extends Object

Purpose: Utility class that assists with band selection using the "BandCombine" JAI operator. The operator expects a parameter matrix to combine values from different bands, using the matrix values of weights per band. There is an extra dimension to the matrix for a constant factor. double[][] matrix = new double[destBands][sourceBands + 1] This class will construct a matrix for a single-banded destination, giving full weight to a particular source band and zeroing out all others.

 Copyright 2008, California Institute of Technology
 ALL RIGHTS RESERVED.
 U.S. Government Sponsorship acknowledged. 2008.
 

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 Modification History: 
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 Date              Who              What
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 03/07/2008        Nick             Initial Release
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Version:

$Id: BandCombineUtil.java,v 1.2 2008/03/21 22:32:10 ntt Exp $

Author:

Nicholas Toole (Nicholas.T.Toole@jpl.nasa.gov)

Constructor Summary

BandCombineUtil()

Method Summary

static double[][]	createBandSelectMatrix(int bandToSelect, int sourceBandCount) Creates a matrix built specifically to select a particular band from the source image.
static double[][]	createBandSelectMatrixFrom3(int bandToSelect)
static boolean	useBandCombineOpForSelection()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BandCombineUtil

public BandCombineUtil()

Method Detail

createBandSelectMatrixFrom3

public static double[][] createBandSelectMatrixFrom3(int bandToSelect)

createBandSelectMatrix

public static double[][] createBandSelectMatrix(int bandToSelect,
                                                int sourceBandCount)

Creates a matrix built specifically to select a particular band from the source image.

Parameters:

bandToSelect - The band from the source that will be selected.

sourceBandCount - Number of bands in the source image

Returns:

Matrix to be used by the BandCombine op

useBandCombineOpForSelection

public static boolean useBandCombineOpForSelection()