org.deegree.gml.geometry.refs
Class GeometryReference<T extends Geometry>

java.lang.Object
  org.deegree.gml.GMLReference<T>
      org.deegree.gml.geometry.refs.GeometryReference<T>

Type Parameters:

T -

All Implemented Interfaces:

Geometry, GMLObject

Direct Known Subclasses:

GeometricPrimitiveReference, SolidReference

public class GeometryReference<T extends Geometry>
extends GMLReference<T>
implements Geometry

Represents a reference to the GML representation of a geometry, which is usually expressed using an xlink:href attribute in GML (may be document-local or remote).

Version:

$Revision: $, $Date: $

Author:

Markus Schneider, last edited by: $Author: schneider $

Nested Class Summary

Nested classes/interfaces inherited from interface org.deegree.geometry.Geometry

Geometry.GeometryType

Constructor Summary

GeometryReference(GMLReferenceResolver resolver, String uri, String baseURL)
Creates a new GeometryReference instance.

Method Summary

boolean	contains(Geometry geometry) Tests whether this geometry contains the specified geometry.
boolean	crosses(Geometry geometry) Tests whether this geometry crosses the specified geometry.
boolean	equals(Geometry geometry) Tests whether this geometry is equal to the specified geometry.
Geometry	getBuffer(Measure distance) Return a new Geometry that contains all points with a distance from this Geometry that is less than or equal to the specified distance.
Point	getCentroid() Returns the centroid of the geometry.
Geometry	getConvexHull() Returns the convex hull of the geometry.
int	getCoordinateDimension() Returns the coordinate dimension, i.e. the dimension of the space that the geometry is embedded in.
CRS	getCoordinateSystem() Returns the associated spatial reference system.
Geometry	getDifference(Geometry geometry) Returns the set-theoretic difference of this and the passed Geometry.
Measure	getDistance(Geometry geometry, Unit requestedUnits) Returns the minimum distance between this and the specified geometry.
Envelope	getEnvelope() Returns the minimal bounding box of the geometry.
Geometry.GeometryType	getGeometryType() Returns the type of geometry.
GMLStdProps	getGMLProperties() Returns the standard GML properties (e.g.
String	getId() Returns the id of the object.
Geometry	getIntersection(Geometry geometry) Returns the set-theoretic intersection of this and the passed Geometry.
PrecisionModel	getPrecision() Returns the PrecisionModel of the geometry.
Geometry	getUnion(Geometry geometry) Returns the set-theoretic union of this and the passed Geometry.
boolean	intersects(Geometry geometry) Tests whether this geometry intersects the specified geometry.
boolean	isBeyond(Geometry geometry, Measure distance) Tests whether this geometry is beyond a specified distance of a second geometry.
boolean	isDisjoint(Geometry geometry) Tests whether this geometry is disjoint from the specified geometry.
boolean	isWithin(Geometry geometry) tests whether the value of a geometric is topological located within this geometry.
boolean	isWithinDistance(Geometry geometry, Measure distance) Tests whether this geometry is within a specified distance of a second geometry.
boolean	overlaps(Geometry geometry) Tests whether this geometry overlaps the specified geometry.
void	setCoordinateSystem(CRS crs) Sets the associated spatial reference system.
void	setGMLProperties(GMLStdProps standardProps) Sets the attached properties (e.g.
void	setId(String id) Sets the id of the geometry.
void	setPrecision(PrecisionModel pm) Sets the PrecisionModel of the geometry.
boolean	touches(Geometry geometry) Tests whether this geometry touches the specified geometry.

Methods inherited from class org.deegree.gml.GMLReference

getReferencedObject, getURI, isLocal

Methods inherited from class java.lang.Object

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

Constructor Detail

GeometryReference

public GeometryReference(GMLReferenceResolver resolver,
                         String uri,
                         String baseURL)

Creates a new GeometryReference instance.

Parameters:

resolver - used for resolving the reference, must not be null

uri - the geometry's uri, must not be null

baseURL - base URL for resolving the uri, may be null (no resolving of relative URLs)

Method Detail

contains

public boolean contains(Geometry geometry)

Description copied from interface: Geometry

Tests whether this geometry contains the specified geometry. TODO formal explanation (DE9IM)

Specified by:

contains in interface Geometry

Parameters:

geometry - the Geometry to test this Geometry against

Returns:

true if this Geometry contains geometry

crosses

public boolean crosses(Geometry geometry)

Description copied from interface: Geometry

Tests whether this geometry crosses the specified geometry. TODO formal explanation (DE9IM)

Specified by:

crosses in interface Geometry

Parameters:

geometry - the Geometry to test this Geometry against

Returns:

true if this Geometry crosses geometry

getDifference

public Geometry getDifference(Geometry geometry)

Description copied from interface: Geometry

Returns the set-theoretic difference of this and the passed Geometry.

Specified by:

getDifference in interface Geometry

Parameters:

geometry - other geometry, must not be null

Returns:

difference Geometry or null (empty set)

getDistance

public Measure getDistance(Geometry geometry,
                           Unit requestedUnits)

Description copied from interface: Geometry

Returns the minimum distance between this and the specified geometry.

Specified by:

getDistance in interface Geometry

Parameters:

geometry - second geometry

requestedUnits - unit of the

Returns:

shortest distance between the two geometries

equals

public boolean equals(Geometry geometry)

Description copied from interface: Geometry

Tests whether this geometry is equal to the specified geometry. TODO formal explanation (DE9IM)

Specified by:

equals in interface Geometry

Parameters:

geometry - the Geometry to test this Geometry against

Returns:

true if this Geometry is equal to geometry

getBuffer

public Geometry getBuffer(Measure distance)

Description copied from interface: Geometry

Return a new Geometry that contains all points with a distance from this Geometry that is less than or equal to the specified distance.

Specified by:

getBuffer in interface Geometry

Returns:

buffer geometry

getConvexHull

public Geometry getConvexHull()

Description copied from interface: Geometry

Returns the convex hull of the geometry.

Specified by:

getConvexHull in interface Geometry

Returns:

convex hull of a Geometry

getCoordinateDimension

public int getCoordinateDimension()

Description copied from interface: Geometry

Returns the coordinate dimension, i.e. the dimension of the space that the geometry is embedded in.

Specified by:

getCoordinateDimension in interface Geometry

Returns:

the coordinate dimension

getCoordinateSystem

public CRS getCoordinateSystem()

Description copied from interface: Geometry

Returns the associated spatial reference system.

Specified by:

getCoordinateSystem in interface Geometry

Returns:

spatial reference system, may be null

getEnvelope

public Envelope getEnvelope()

Description copied from interface: Geometry

Returns the minimal bounding box of the geometry.

Specified by:

getEnvelope in interface Geometry

Returns:

the minimal bounding box of the geometry

getGeometryType

public Geometry.GeometryType getGeometryType()

Description copied from interface: Geometry

Returns the type of geometry.

Specified by:

getGeometryType in interface Geometry

Returns:

the type of geometry

getId

public String getId()

Description copied from interface: GMLObject

Returns the id of the object.

Specified by:

getId in interface Geometry

Specified by:

getId in interface GMLObject

Overrides:

getId in class GMLReference<T extends Geometry>

Returns:

the id of the object, or null if it doesn't have an id

getPrecision

public PrecisionModel getPrecision()

Description copied from interface: Geometry

Returns the PrecisionModel of the geometry.

Specified by:

getPrecision in interface Geometry

Returns:

the precision model

getIntersection

public Geometry getIntersection(Geometry geometry)

Description copied from interface: Geometry

Returns the set-theoretic intersection of this and the passed Geometry.

Specified by:

getIntersection in interface Geometry

Parameters:

geometry - other geometry, must not be null

Returns:

intersection Geometry or null (empty set)

intersects

public boolean intersects(Geometry geometry)

Description copied from interface: Geometry

Tests whether this geometry intersects the specified geometry. TODO formal explanation (DE9IM)

Specified by:

intersects in interface Geometry

Parameters:

geometry - the Geometry to test this Geometry against

Returns:

true if this Geometry intersects geometry

isDisjoint

public boolean isDisjoint(Geometry geometry)

Description copied from interface: Geometry

Tests whether this geometry is disjoint from the specified geometry. TODO formal explanation (DE9IM)

Specified by:

isDisjoint in interface Geometry

Parameters:

geometry - the Geometry to test this Geometry against

Returns:

true if this Geometry is disjoint from geometry

overlaps

public boolean overlaps(Geometry geometry)

Description copied from interface: Geometry

Tests whether this geometry overlaps the specified geometry. TODO formal explanation (DE9IM)

Specified by:

overlaps in interface Geometry

Parameters:

geometry - the Geometry to test this Geometry against

Returns:

true if this Geometry overlaps geometry

touches

public boolean touches(Geometry geometry)

Description copied from interface: Geometry

Tests whether this geometry touches the specified geometry. TODO formal explanation (DE9IM)

Specified by:

touches in interface Geometry

Parameters:

geometry - the Geometry to test this Geometry against

Returns:

true if this Geometry touches geometry

isBeyond

public boolean isBeyond(Geometry geometry,
                        Measure distance)

Description copied from interface: Geometry

Tests whether this geometry is beyond a specified distance of a second geometry.

Specified by:

isBeyond in interface Geometry

Parameters:

geometry - second geometry

Returns:

true, iff the minimum distance between this and the second geometry is greater than distance

isWithin

public boolean isWithin(Geometry geometry)

Description copied from interface: Geometry

tests whether the value of a geometric is topological located within this geometry. This method is the opposite of Geometry.contains(Geometry) method

Specified by:

isWithin in interface Geometry

Returns:

true if passed geometry is located completly within this geometry

isWithinDistance

public boolean isWithinDistance(Geometry geometry,
                                Measure distance)

Description copied from interface: Geometry

Tests whether this geometry is within a specified distance of a second geometry.

Specified by:

isWithinDistance in interface Geometry

Parameters:

geometry - second geometry

Returns:

true, iff the distance between this and the second geometry is less than or equal distance

getUnion

public Geometry getUnion(Geometry geometry)

Description copied from interface: Geometry

Returns the set-theoretic union of this and the passed Geometry.

Specified by:

getUnion in interface Geometry

Parameters:

geometry - other geometry, must not be null

Returns:

united Geometry (never null)

getGMLProperties

public GMLStdProps getGMLProperties()

Description copied from interface: GMLObject

Returns the standard GML properties (e.g. gml:name).

Specified by:

getGMLProperties in interface GMLObject

Overrides:

getGMLProperties in class GMLReference<T extends Geometry>

Returns:

the standard GML properties, may be

setGMLProperties

public void setGMLProperties(GMLStdProps standardProps)

Description copied from interface: Geometry

Sets the attached properties (e.g. GML standard properties, such as gml:name).

Specified by:

setGMLProperties in interface Geometry

Parameters:

standardProps - properties to be attached

getCentroid

public Point getCentroid()

Description copied from interface: Geometry

Returns the centroid of the geometry.

Specified by:

getCentroid in interface Geometry

Returns:

a Point that is the centroid of this geometry

setCoordinateSystem

public void setCoordinateSystem(CRS crs)

Description copied from interface: Geometry

Sets the associated spatial reference system.

Specified by:

setCoordinateSystem in interface Geometry

Parameters:

crs - spatial reference system, may be null

setId

public void setId(String id)

Description copied from interface: Geometry

Sets the id of the geometry.

Specified by:

setId in interface Geometry

Parameters:

id - id of the geometry

setPrecision

public void setPrecision(PrecisionModel pm)

Description copied from interface: Geometry

Sets the PrecisionModel of the geometry.

Specified by:

setPrecision in interface Geometry

Parameters:

pm - the precision model to set