drasys.or.geom.geo
Class Geo

java.lang.Object
  |
  +--drasys.or.geom.geo.Geo

Direct Known Subclasses:

Point, Range

public abstract class Geo

extends java.lang.Object

implements GeoI

A base class for the Geo objects.

Constructor Summary

Geo()

 

Method Summary
CoordinateSystemI	coordinateSystem()           Returns the geographic coordinate system.
EllipsoidI	ellipsoid()           Returns the default ellipsoid.
PointI	getCentroid()           Returns a PointI describing the centroid of the object
double	getDistanceProxyTo(PointI point)           Returns an easily computable proxy that can be used to compare the distance to a point.
double	getDistanceTo(PointI point)           Returns the distance to a point.
PointI	getNearestPointTo(PointI point)           Returns a PointI describing the point on the boundary closest to 'point'.
RangeI	getRange()           Returns a RangeI describing the extent of the object.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

Geo

public Geo()

ellipsoid

public EllipsoidI ellipsoid()

Returns the default ellipsoid.

Specified by:

ellipsoid in interface GeoI

coordinateSystem

public CoordinateSystemI coordinateSystem()

Returns the geographic coordinate system.

getDistanceTo

public double getDistanceTo(PointI point)

Description copied from interface: GeomI

Returns the distance to a point.

getDistanceProxyTo

public double getDistanceProxyTo(PointI point)

Description copied from interface: GeomI

Returns an easily computable proxy that can be used to compare the distance to a point.

getRange

public RangeI getRange()

Description copied from interface: GeomI

Returns a RangeI describing the extent of the object.

getCentroid

public PointI getCentroid()

Description copied from interface: GeomI

Returns a PointI describing the centroid of the object

getNearestPointTo

public PointI getNearestPointTo(PointI point)

Description copied from interface: GeomI

Returns a PointI describing the point on the boundary closest to 'point'.