com.bbn.openmap.util
Class DataBounds

java.lang.Object
  com.bbn.openmap.util.DataBounds

public class DataBounds
extends java.lang.Object

A simple utility class that holds a min, max for a group of points.

Field Summary

protected DataBounds	hardLimits
protected java.awt.geom.Point2D	max
protected java.awt.geom.Point2D	min

Constructor Summary

DataBounds()

DataBounds(double minx, double miny, double maxx, double maxy)

DataBounds(java.awt.geom.Point2D minP, java.awt.geom.Point2D maxP)

Method Summary

void	add(double x, double y)
void	add(java.awt.geom.Point2D point)
boolean	contains(java.awt.geom.Point2D query)
boolean	equals(java.lang.Object obj)
java.awt.geom.Point2D	getCenter()
DataBounds	getHardLimits()
double	getHeight()
java.awt.geom.Point2D	getMax()
java.awt.geom.Point2D	getMin()
double	getWidth()
int	hashCode()
boolean	intersects(DataBounds db2)
boolean	isyDirUp()
void	setHardLimits(DataBounds hardLimits)
protected double	setInRange(double hi, double lo, double val) Make sure the value is within the range.
void	setyDirUp(boolean yDirUp)
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

min

protected java.awt.geom.Point2D min

max

protected java.awt.geom.Point2D max

hardLimits

protected DataBounds hardLimits

Constructor Detail

DataBounds

public DataBounds()

DataBounds

public DataBounds(double minx,
                  double miny,
                  double maxx,
                  double maxy)

DataBounds

public DataBounds(java.awt.geom.Point2D minP,
                  java.awt.geom.Point2D maxP)

Method Detail

getCenter

public java.awt.geom.Point2D getCenter()

Returns:

a point set to the average of the min and max values. May return null if no points have been added

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getMax

public java.awt.geom.Point2D getMax()

Returns:

upper right point

getMin

public java.awt.geom.Point2D getMin()

Returns:

lower left point

add

public void add(double x,
                double y)

setInRange

protected double setInRange(double hi,
                            double lo,
                            double val)

Make sure the value is within the range.

Parameters:

hi - high range value

lo - low range value

val - testing value

Returns:

the value, adjusted if necessary.

add

public void add(java.awt.geom.Point2D point)

contains

public boolean contains(java.awt.geom.Point2D query)

getWidth

public double getWidth()

getHeight

public double getHeight()

getHardLimits

public DataBounds getHardLimits()

setHardLimits

public void setHardLimits(DataBounds hardLimits)

isyDirUp

public boolean isyDirUp()

setyDirUp

public void setyDirUp(boolean yDirUp)

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

intersects

public boolean intersects(DataBounds db2)