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Java Source Code / Java Documentation » Science » Cougaar12_4 » org.cougaar.tools.csmart.util

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.cougaar.tools.csmart.util .LatLonPoint

LatLonPoint

public class LatLonPoint implements Location,Cloneable,Serializable(Code)

Courtesy of Openmap
Written by Don Dietrick, BBNT
Encapsulates latitude and longitude coordinates in decimal degrees. Normalizes the internal representation of latitude and longitude.

Normalized Latitude:
-90° <= φ <= 90°

Normalized Longitude:
-180° <= λ <= 180°
Also supports conversion to/from Cougaar core Latitude and Longitude
See Also: Location

Field Summary
final public static float	DATELINE
final public static float	LON_RANGE
final public static float	NORTH_POLE
final public static float	SOUTH_POLE
protected float	lat_
protected float	lon_
public transient float	radlat_ Used by the projection code for read-only quick access.
public transient float	radlon_ Used by the projection code for read-only quick access.

Constructor Summary
public	LatLonPoint() Construct a default LatLonPoint.
public	LatLonPoint(float lat, float lon) Construct a LatLonPoint from raw float lat/lon in decimal degrees.
public	LatLonPoint(Latitude lat, Longitude lon)
public	LatLonPoint(float lat, float lon, boolean isRadian) Construct a LatLonPoint from raw float lat/lon in radians.
public	LatLonPoint(LatLonPoint pt) Copy construct a LatLonPoint.
public	LatLonPoint(double lat, double lon) Construct a LatLonPoint from raw double lat/lon.

Method Summary
public Object	clone() Clone the LatLonPoint.
public boolean	equals(Object obj) Determines whether two LatLonPoints are equal.
public float	getLatitude() Get normalized latitude.
public Latitude	getLatitudeObject() Get normalized Latitude.
public float	getLongitude() Get wrapped longitude.
public Longitude	getLongitudeObject() Get wrapped longitude.
public int	hashCode() Hash the lat/lon value.
public static boolean	isInvalidLatitude(float lat) Check if latitude is bogus.
public static boolean	isInvalidLongitude(float lon) Check if longitude is bogus.
final public static float	normalize_latitude(float lat) Sets latitude to something sane.
public void	read(DataInputStream s) Read object.
public void	setLatLon(float lat, float lon) Set latitude and longitude.
public void	setLatLon(float lat, float lon, boolean isRadian) Set latitude and longitude.
public void	setLatLon(LatLonPoint llpt) Set LatLonPoint.
public void	setLatitude(float lat) Set latitude.
public void	setLatitude(Latitude lat) Set latitude from core Latitude object.
public void	setLongitude(float lon) Set longitude.
public void	setLongitude(Longitude lon)
public String	toString() Returns a string representation of the object.
final public static float	wrap_longitude(float lon) Sets longitude to something sane.
public void	write(DataOutputStream s) Write object.

Field Detail

DATELINE
final public static float DATELINE(Code)

LON_RANGE
final public static float LON_RANGE(Code)

NORTH_POLE
final public static float NORTH_POLE(Code)

SOUTH_POLE
final public static float SOUTH_POLE(Code)

lat_
protected float lat_(Code)

lon_
protected float lon_(Code)

radlat_
public transient float radlat_(Code)
	Used by the projection code for read-only quick access. This is meant for quick backdoor access by the projection library. Modify at your own risk! See Also: LatLonPoint.lat_

radlon_
public transient float radlon_(Code)
	Used by the projection code for read-only quick access. This is meant for quick backdoor access by the projection library. Modify at your own risk! See Also: LatLonPoint.lon_

Constructor Detail

LatLonPoint
public LatLonPoint()(Code)
	Construct a default LatLonPoint.

LatLonPoint
public LatLonPoint(float lat, float lon)(Code)
	Construct a LatLonPoint from raw float lat/lon in decimal degrees. Parameters: lat - latitude in decimal degrees Parameters: lon - longitude in decimal degrees

LatLonPoint
public LatLonPoint(Latitude lat, Longitude lon)(Code)
	Creates a new `LatLonPoint` from the core measures Parameters: lat - a `Latitude` Parameters: lon - a `Longitude`

LatLonPoint
public LatLonPoint(float lat, float lon, boolean isRadian)(Code)
	Construct a LatLonPoint from raw float lat/lon in radians. Parameters: lat - latitude in radians Parameters: lon - longitude in radians Parameters: isRadian - placeholder indicates radians

LatLonPoint
public LatLonPoint(LatLonPoint pt)(Code)
	Copy construct a LatLonPoint. Parameters: pt - LatLonPoint

LatLonPoint
public LatLonPoint(double lat, double lon)(Code)
	Construct a LatLonPoint from raw double lat/lon. Parameters: lat - latitude in decimal degrees Parameters: lon - longitude in decimal degrees

Method Detail

clone
public Object clone()(Code)
	Clone the LatLonPoint. clone

equals
public boolean equals(Object obj)(Code)
	Determines whether two LatLonPoints are equal. Parameters: obj - Object Whether the two points are equal up to a tolerance of10^-5 degrees in latitude and longitude.

getLatitude
public float getLatitude()(Code)
	Get normalized latitude. float latitude in decimal degrees(-90° <= φ <= 90°)

getLatitudeObject
public Latitude getLatitudeObject()(Code)
	Get normalized Latitude.

getLongitude
public float getLongitude()(Code)
	Get wrapped longitude. float longitude in decimal degrees(-180° <= λ <= 180°)

getLongitudeObject
public Longitude getLongitudeObject()(Code)
	Get wrapped longitude. Longitude

hashCode
public int hashCode()(Code)
	Hash the lat/lon value. int hash value

isInvalidLatitude
public static boolean isInvalidLatitude(float lat)(Code)
	Check if latitude is bogus. Latitude is invalid if lat > 90° or if lat < -90°. Parameters: lat - latitude in decimal degrees boolean true if latitude is invalid

isInvalidLongitude
public static boolean isInvalidLongitude(float lon)(Code)
	Check if longitude is bogus. Longitude is invalid if lon > 180° or if lon < -180°. Parameters: lon - longitude in decimal degrees boolean true if longitude is invalid

normalize_latitude
final public static float normalize_latitude(float lat)(Code)
	Sets latitude to something sane. Parameters: lat - latitude in decimal degrees float normalized latitude in decimal degrees(-90° <= φ <= 90°)

read
public void read(DataInputStream s) throws IOException(Code)
	Read object. Parameters: s - DataInputStream

setLatLon
public void setLatLon(float lat, float lon)(Code)
	Set latitude and longitude. Parameters: lat - latitude in decimal degrees Parameters: lon - longitude in decimal degrees

setLatLon
public void setLatLon(float lat, float lon, boolean isRadian)(Code)
	Set latitude and longitude. Parameters: lat - latitude in radians Parameters: lon - longitude in radians Parameters: isRadian - placeholder indicates radians

setLatLon
public void setLatLon(LatLonPoint llpt)(Code)
	Set LatLonPoint. Parameters: llpt - LatLonPoint

setLatitude
public void setLatitude(float lat)(Code)
	Set latitude. Parameters: lat - latitude in decimal degrees

setLatitude
public void setLatitude(Latitude lat)(Code)
	Set latitude from core Latitude object. Parameters: lat - `Latitidue`

setLongitude
public void setLongitude(float lon)(Code)
	Set longitude. Parameters: lon - longitude in decimal degrees

setLongitude
public void setLongitude(Longitude lon)(Code)

toString
public String toString()(Code)
	Returns a string representation of the object. String representation

wrap_longitude
final public static float wrap_longitude(float lon)(Code)
	Sets longitude to something sane. Parameters: lon - longitude in decimal degrees float wrapped longitude in decimal degrees(-180° <= λ <= 180°)

write
public void write(DataOutputStream s) throws IOException(Code)
	Write object. Parameters: s - DataOutputStream

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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