org.opengis.cs
Interface CS_HorizontalDatum

All Superinterfaces:

CS_Datum, CS_Info, java.rmi.Remote

All Known Implementing Classes:

HorizontalDatum.Export

public interface CS_HorizontalDatum

extends CS_Datum

Procedure used to measure positions on the surface of the Earth.

Since:

1.00

Version:

1.01

Author:

Martin Daly

Method Summary

CS_Ellipsoid	getEllipsoid() Returns the Ellipsoid.
CS_WGS84ConversionInfo	getWGS84Parameters() Gets preferred parameters for a Bursa Wolf transformation into WGS84.

Methods inherited from interface org.opengis.cs.CS_Datum

getDatumType

Methods inherited from interface org.opengis.cs.CS_Info

getAbbreviation, getAlias, getAuthority, getAuthorityCode, getName, getRemarks, getWKT, getXML

Method Detail

getEllipsoid

public CS_Ellipsoid getEllipsoid()
                          throws java.rmi.RemoteException

Returns the Ellipsoid.

Throws:

java.rmi.RemoteException - if a remote method call failed.

getWGS84Parameters

public CS_WGS84ConversionInfo getWGS84Parameters()
                                          throws java.rmi.RemoteException

Gets preferred parameters for a Bursa Wolf transformation into WGS84. The 7 returned values correspond to (dx,dy,dz) in meters, (ex,ey,ez) in arc-seconds, and scaling in parts-per-million. This method will always fail for horizontal datums with type CS_HD_Other. This method may also fail if no suitable transformation is available. Failures are indicated using the normal failing behavior of the DCP (e.g. throwing an exception).

Throws:

java.rmi.RemoteException - if a remote method call failed.