ebgeo.maprequest.cs
Class MRDatum

java.lang.Object
  ebgeo.maprequest.cs.MRDatum

public class MRDatum

extends Object

Class to model a map datum. e.g. WGS84.

Nested Class Summary

class

MRDatum.DatumFileFilter Helper class to find *_datum.txt files.

Field Summary

protected boolean	known
protected String	wkt

Constructor Summary

MRDatum()
Creates a new instance of MRDatum

Method Summary

MRDatum	getInstance(String name) Get a datum for a name.
String	getName() Get the well known name of this datum.
String	getName(String realm) Get the name of this datum in a particular realm.
String	getWkt() Get the Open GIS Well Known Text format of this datum.
boolean	isKnown() Check if this datum is known.
protected void	setKnown(boolean known)
void	setName(String name) Set the well known name for this datum.
void	setName(String name, String realm) Set the name for this datum for a particular realm.
void	setWkt(String wkt) Set the Open GIS Well Known Text format for this projection.

Methods inherited from class java.lang.Object

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

Field Detail

wkt

protected String wkt

known

protected boolean known

Constructor Detail

MRDatum

public MRDatum()

Creates a new instance of MRDatum

Method Detail

getInstance

public MRDatum getInstance(String name)

Get a datum for a name. If the name is not recognised then a datum is returned for which isKnown() will return false.

getName

public String getName()

Get the well known name of this datum.

getName

public String getName(String realm)

Get the name of this datum in a particular realm.

Parameters:

realm - The realm for which you want to know the name of this datum.

Returns:

Returns the name of this datum in the requested realm. If this datum does not have a special name in the requested realm then the well known name of the datum is returned instead.

See Also:

getName()

setName

public void setName(String name)

Set the well known name for this datum.

setName

public void setName(String name,
                    String realm)

Set the name for this datum for a particular realm.

Parameters:

name - The name that this datum is known by for the realm.

realm - The realm.

getWkt

public String getWkt()

Get the Open GIS Well Known Text format of this datum.

setWkt

public void setWkt(String wkt)

Set the Open GIS Well Known Text format for this projection.

isKnown

public boolean isKnown()

Check if this datum is known.

Returns:

Returns true if this datum is known (and can be used for calculations).

setKnown

protected void setKnown(boolean known)