org.openstreetmap.josm.data.projection.datum

Class ThreeParameterDatum

java.lang.Object

org.openstreetmap.josm.data.projection.datum.AbstractDatum

org.openstreetmap.josm.data.projection.datum.ThreeParameterDatum

All Implemented Interfaces:

Datum

public class ThreeParameterDatum
extends AbstractDatum

Datum provides 3 dimensional offset and ellipsoid conversion.

Since:

4285

Field Summary

Fields

Modifier and Type	Field and Description
protected double	dx
protected double	dy
protected double	dz

Fields inherited from class org.openstreetmap.josm.data.projection.datum.AbstractDatum

ellps, name, proj4Id

Constructor Summary

Constructors

Constructor and Description
ThreeParameterDatum(java.lang.String name, java.lang.String proj4Id, Ellipsoid ellps, double dx, double dy, double dz) Constructs a new ThreeParameterDatum.

Method Summary

Modifier and Type	Method and Description
LatLon	fromWGS84(LatLon ll) Convert lat/lon from Ellipsoid.WGS84 to this datum.
LatLon	toWGS84(LatLon ll) Convert lat/lon from this datum to Ellipsoid.WGS84 datum.

Methods inherited from class org.openstreetmap.josm.data.projection.datum.AbstractDatum

getEllipsoid, getName, getProj4Id

Methods inherited from class java.lang.Object

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

Field Detail

dx

protected double dx

dy

protected double dy

dz

protected double dz

Constructor Detail

ThreeParameterDatum

public ThreeParameterDatum(java.lang.String name,
                           java.lang.String proj4Id,
                           Ellipsoid ellps,
                           double dx,
                           double dy,
                           double dz)

Constructs a new ThreeParameterDatum.

Parameters:

name - name of the datum

proj4Id - Proj.4 identifier for this datum (or null)

ellps - the ellipsoid used

dx - x offset in meters

dy - y offset in meters

dz - z offset in meters

Method Detail

toWGS84

public LatLon toWGS84(LatLon ll)

Description copied from interface: Datum

Convert lat/lon from this datum to Ellipsoid.WGS84 datum.

Parameters:

ll - original lat/lon in this datum

Returns:

lat/lon converted to WGS84

fromWGS84

public LatLon fromWGS84(LatLon ll)

Description copied from interface: Datum

Convert lat/lon from Ellipsoid.WGS84 to this datum.

Parameters:

ll - original lat/lon in WGS84

Returns:

converted lat/lon in this datum