xxl.spatial
Class Universe

java.lang.Object
  |
  +--xxl.spatial.Universe

public class Universe

extends java.lang.Object

implements Convertable, java.lang.Cloneable

The Universe describes the area of the data and provides methods for z-code computation.

Field Summary

protected Rectangle	area The Rectangle of the Universe.
protected double[]	deltas The extension of the Universe in each dimension.
protected double[]	ints ints[d] = deltas[d] * Integer.MAX_VALUE (This is useful for z-code computation).

Constructor Summary

Universe(java.io.File file1, java.io.File file2, int dim)

Universe(int dim)

Universe(Rectangle area)

Universe(Rectangle area1, Rectangle area2)

Method Summary

protected java.lang.Object	clone()
static Universe	createUniverse(java.io.File input, Function newObject)
int	dimensions()
void	init()
static int	level(int[] p)
static int	level(int[] p1, int[] p2) Computes the level of the rectangle with the lower left corner p1 and the upper right corner p2 in a quadtree.
static LocationalCode	locationalCode(int[] p1, int[] p2) Expects a LocationalCode with cell == null.
LocationalCode	locationalCode(Rectangle rectangle) Calculates int-values for the given double-values and computes LocationalCode.
LocationalCode	locationalCode(Rectangle rectangle, int maxLevel)
static void	main(java.lang.String[] args)
void	read(java.io.DataInput dataInput)
static Universe	readUniverse(java.io.File file, int dim)
int	sizeOf()
java.lang.String	toString()
int	write(java.io.DataOutput dataOutput)
static BitSet	zCode(int[] p, int first) Creates a BitSet and computes the z-value for a given Point p.

Methods inherited from class java.lang.Object

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

Field Detail

area

protected Rectangle area

The Rectangle of the Universe.

deltas

protected double[] deltas

The extension of the Universe in each dimension.

ints

protected double[] ints

ints[d] = deltas[d] * Integer.MAX_VALUE (This is useful for z-code computation).

Constructor Detail

Universe

public Universe(int dim)

Universe

public Universe(Rectangle area)

Universe

public Universe(Rectangle area1,
                Rectangle area2)

Universe

public Universe(java.io.File file1,
                java.io.File file2,
                int dim)

Method Detail

clone

protected java.lang.Object clone()

Overrides:

clone in class java.lang.Object

dimensions

public int dimensions()

init

public void init()

locationalCode

public LocationalCode locationalCode(Rectangle rectangle)

Calculates int-values for the given double-values and computes LocationalCode.

locationalCode

public LocationalCode locationalCode(Rectangle rectangle,
                                     int maxLevel)

read

public void read(java.io.DataInput dataInput)
          throws java.io.IOException

Specified by:

read in interface Convertable

write

public int write(java.io.DataOutput dataOutput)
          throws java.io.IOException

Specified by:

write in interface Convertable

sizeOf

public int sizeOf()

Specified by:

sizeOf in interface Convertable

createUniverse

public static Universe createUniverse(java.io.File input,
                                      Function newObject)

readUniverse

public static Universe readUniverse(java.io.File file,
                                    int dim)

locationalCode

public static LocationalCode locationalCode(int[] p1,
                                            int[] p2)

Expects a LocationalCode with cell == null.

zCode

public static BitSet zCode(int[] p,
                           int first)

Creates a BitSet and computes the z-value for a given Point p. The intPrecision of the z-value is min(intPrecision,first)

level

public static int level(int[] p1,
                        int[] p2)

Computes the level of the rectangle with the lower left corner p1 and the upper right corner p2 in a quadtree. The level is returned.

level

public static int level(int[] p)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

main

public static void main(java.lang.String[] args)