ThreeParameterDatum (JOSM)

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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