Package gov.nasa.worldwind.util

Class ImageInterpolator

java.lang.Object

gov.nasa.worldwind.util.ImageInterpolator

Direct Known Subclasses:

GeographicImageInterpolator

public class ImageInterpolator
extends java.lang.Object

Provides searching and interpolation of a grid of scalars.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	ImageInterpolator.Cell
static class	ImageInterpolator.ContainingCell

Field Summary

Fields

Modifier and Type	Field	Description
protected int	cellSize
protected java.awt.Dimension	gridSize
protected BasicMemoryCache	kidCache
protected ImageInterpolator.Cell	root
protected float[]	xs
protected float[]	ys

Constructor Summary

Constructors

Constructor	Description
ImageInterpolator(java.awt.Dimension gridSize, float[] xs, float[] ys, int depth, int cellSize)

Method Summary

Modifier and Type	Method	Description
protected ImageInterpolator.ContainingCell	checkContainment(float x, float y, ImageInterpolator.Cell cell)
protected double[]	computeBilinearCoordinates(float x, float y, ImageInterpolator.Cell cell)
ImageInterpolator.ContainingCell	findContainingCell(float x, float y)
protected ImageInterpolator.ContainingCell	findContainingCell(ImageInterpolator.Cell cell, float x, float y)
protected int[]	getFieldIndices(ImageInterpolator.Cell cell)
protected ImageInterpolator.Cell	makeRootCell(int m0, int m1, int n0, int n1)

Methods inherited from class java.lang.Object

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

Field Detail

gridSize

protected final java.awt.Dimension gridSize

root

protected final ImageInterpolator.Cell root

xs

protected final float[] xs

ys

protected final float[] ys

cellSize

protected final int cellSize

kidCache

protected final BasicMemoryCache kidCache

Constructor Detail

ImageInterpolator

public ImageInterpolator(java.awt.Dimension gridSize,
                         float[] xs,
                         float[] ys,
                         int depth,
                         int cellSize)

Method Detail

makeRootCell

protected ImageInterpolator.Cell makeRootCell(int m0,
                                              int m1,
                                              int n0,
                                              int n1)

findContainingCell

public ImageInterpolator.ContainingCell findContainingCell(float x,
                                                           float y)

findContainingCell

protected ImageInterpolator.ContainingCell findContainingCell(ImageInterpolator.Cell cell,
                                                              float x,
                                                              float y)

checkContainment

protected ImageInterpolator.ContainingCell checkContainment(float x,
                                                            float y,
                                                            ImageInterpolator.Cell cell)

computeBilinearCoordinates

protected double[] computeBilinearCoordinates(float x,
                                              float y,
                                              ImageInterpolator.Cell cell)

getFieldIndices

protected int[] getFieldIndices(ImageInterpolator.Cell cell)