Package org.openstreetmap.josm.data.coor

Class CachedLatLon

java.lang.Object

org.openstreetmap.josm.data.coor.Coordinate

org.openstreetmap.josm.data.coor.LatLon

org.openstreetmap.josm.data.coor.CachedLatLon

All Implemented Interfaces:

java.io.Serializable, ILatLon

public class CachedLatLon
extends LatLon

LatLon class that maintains a cache of projected EastNorth coordinates. This class is convenient to use, but has relatively high memory costs. It keeps a pointer to the last known projection in order to detect projection changes. Node and WayPoint have another, optimized, cache for projected coordinates.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.Object	cacheKey
private EastNorth	eastNorth
private static long	serialVersionUID

Fields inherited from class org.openstreetmap.josm.data.coor.LatLon

cDdFormatter, cDdHighPrecisionFormatter, MAX_SERVER_INV_PRECISION, MAX_SERVER_PRECISION, NORTH_POLE, SOUTH_POLE, ZERO

Fields inherited from class org.openstreetmap.josm.data.coor.Coordinate

x, y

Constructor Summary

Constructors

Modifier	Constructor	Description
	CachedLatLon(double lat, double lon)	Constructs a new CachedLatLon.
	CachedLatLon(EastNorth eastNorth)	Constructs a new CachedLatLon.
private	CachedLatLon(EastNorth eastNorth, Projection projection)
	CachedLatLon(LatLon coor)	Constructs a new CachedLatLon.

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object obj)
EastNorth	getEastNorth(Projecting projecting)	Replies the projected east/north coordinates.
int	hashCode()
java.lang.String	toString()

Methods inherited from class org.openstreetmap.josm.data.coor.LatLon

distance, distanceSq, getCenter, getRoundedToOsmPrecision, interpolate, isIn, isValid, isValidLat, isValidLon, isWithin, lat, lon, normalizeLon, roundToOsmPrecision, toDisplayString, toIntervalLat, toIntervalLon

Methods inherited from class org.openstreetmap.josm.data.coor.Coordinate

distance, distance, distanceSq, distanceSq, getX, getY

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openstreetmap.josm.data.coor.ILatLon

bearing, distanceSq, distanceSq, equalsEpsilon, equalsEpsilon, greatCircleDistance, interpolate, isLatLonKnown

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

eastNorth

private EastNorth eastNorth

cacheKey

private transient java.lang.Object cacheKey

Constructor Detail

CachedLatLon

public CachedLatLon(double lat,
                    double lon)

Constructs a new CachedLatLon.

Parameters:

lat - latitude

lon - longitude

CachedLatLon

public CachedLatLon(LatLon coor)

Constructs a new CachedLatLon.

Parameters:

coor - lat/lon

CachedLatLon

public CachedLatLon(EastNorth eastNorth)

Constructs a new CachedLatLon.

Parameters:

eastNorth - easting/northing

CachedLatLon

private CachedLatLon(EastNorth eastNorth,
                     Projection projection)

Method Detail

getEastNorth

public final EastNorth getEastNorth(Projecting projecting)

Replies the projected east/north coordinates.

Parameters:

projecting - The projection to use.

Returns:

the internally cached east/north coordinates. null, if the globally defined projection is null

hashCode

public int hashCode()

Overrides:

hashCode in class LatLon

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class LatLon

toString

public java.lang.String toString()

Overrides:

toString in class LatLon