org.deegree.geometry.standard
Class DefaultEnvelope

java.lang.Object
  org.deegree.geometry.standard.AbstractDefaultGeometry
      org.deegree.geometry.standard.DefaultEnvelope

All Implemented Interfaces:

GMLObject, Object, TypedObjectNode, Envelope, Geometry

public class DefaultEnvelope
extends AbstractDefaultGeometry
implements Envelope

Default implementation of Envelope.

Version:

$Revision: 31641 $, $Date: 2011-08-24 21:24:55 +0200 (Wed, 24 Aug 2011) $

Author:

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

Nested Class Summary

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

Geometry.GeometryType

Field Summary

Fields inherited from class org.deegree.geometry.standard.AbstractDefaultGeometry

crs, env, id, jtsFactory, jtsGeometry, pm

Constructor Summary

DefaultEnvelope(Point min, Point max)
Creates a new DefaultEnvelope instance with no id, crs and precisionmodel.

DefaultEnvelope(String id, ICRS crs, PrecisionModel pm, Point min, Point max)
Creates a new DefaultEnvelope instance from the given parameters.

Method Summary

protected com.vividsolutions.jts.geom.Polygon	buildJTSGeometry()
Point	getCentroid() Returns the centroid of the geometry.
int	getCoordinateDimension() Returns the coordinate dimension, i.e. the dimension of the space that the geometry is embedded in.
Envelope	getEnvelope() Returns the minimal bounding box of the geometry.
Geometry.GeometryType	getGeometryType() Must always return Geometry.GeometryType.ENVELOPE.
Point	getMax() Returns the envelope's maximum coordinate
Point	getMin() Returns the envelope's minimum coordinate.
double	getSpan(int dim) Returns the envelope's span of the specified dimension (in units of the associated coordinate system).
double	getSpan0() Returns the envelope's span of the first dimension (in units of the associated coordinate system).
double	getSpan1() Returns the envelope's span of the second dimension (in units of the associated coordinate system).
boolean	intersects(Geometry other) Tests whether this geometry intersects the specified geometry.
Envelope	merge(Envelope other) Merges this envelope with another envelope into a new one.
String	toString()

Methods inherited from class org.deegree.geometry.standard.AbstractDefaultGeometry

contains, createFromJTS, crosses, equals, getAsDefaultGeometry, getBuffer, getConvexHull, getCoordinateSystem, getDifference, getDistance, getGMLProperties, getId, getIntersection, getJTSGeometry, getPrecision, getUnion, isBeyond, isDisjoint, isSFSCompliant, isWithin, isWithinDistance, overlaps, setCoordinateSystem, setGMLProperties, setId, setPrecision, touches

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.deegree.geometry.Geometry

contains, crosses, equals, getBuffer, getConvexHull, getCoordinateSystem, getDifference, getDistance, getId, getIntersection, getPrecision, getUnion, isBeyond, isDisjoint, isSFSCompliant, isWithin, isWithinDistance, overlaps, setCoordinateSystem, setGMLProperties, setId, setPrecision, touches

Methods inherited from interface org.deegree.commons.tom.gml.GMLObject

getGMLProperties

Constructor Detail

DefaultEnvelope

public DefaultEnvelope(Point min,
                       Point max)

Creates a new DefaultEnvelope instance with no id, crs and precisionmodel.

Parameters:

min -

max -

DefaultEnvelope

public DefaultEnvelope(String id,
                       ICRS crs,
                       PrecisionModel pm,
                       Point min,
                       Point max)

Creates a new DefaultEnvelope instance from the given parameters.

Parameters:

id - identifier, may be null

crs - coordinate reference system, may be null

pm - precision model, may be null

min -

max -

Method Detail

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

getGeometryType

public Geometry.GeometryType getGeometryType()

Description copied from interface: Envelope

Must always return Geometry.GeometryType.ENVELOPE.

Specified by:

getGeometryType in interface Envelope

Specified by:

getGeometryType in interface Geometry

Returns:

Geometry.GeometryType.ENVELOPE.

getMax

public Point getMax()

Description copied from interface: Envelope

Returns the envelope's maximum coordinate

Specified by:

getMax in interface Envelope

Returns:

maximum coordinate

getMin

public Point getMin()

Description copied from interface: Envelope

Returns the envelope's minimum coordinate.

Specified by:

getMin in interface Envelope

Returns:

minimum coordinate

getSpan0

public double getSpan0()

Description copied from interface: Envelope

Returns the envelope's span of the first dimension (in units of the associated coordinate system).

Specified by:

getSpan0 in interface Envelope

Returns:

span of the first dimension

getSpan1

public double getSpan1()

Description copied from interface: Envelope

Returns the envelope's span of the second dimension (in units of the associated coordinate system).

Specified by:

getSpan1 in interface Envelope

Returns:

span of the second dimension

getSpan

public double getSpan(int dim)

Description copied from interface: Envelope

Returns the envelope's span of the specified dimension (in units of the associated coordinate system).

Specified by:

getSpan in interface Envelope

Parameters:

dim - index of the span to be returned

Returns:

span of the specified dimension

merge

public Envelope merge(Envelope other)

Description copied from interface: Envelope

Merges this envelope with another envelope into a new one.

Specified by:

merge in interface Envelope

Returns:

merged envelope

getEnvelope

public Envelope getEnvelope()

Description copied from interface: Geometry

Returns the minimal bounding box of the geometry.

Specified by:

getEnvelope in interface Geometry

Overrides:

getEnvelope in class AbstractDefaultGeometry

Returns:

the minimal bounding box of the geometry

getCentroid

public Point getCentroid()

Description copied from interface: Geometry

Returns the centroid of the geometry.

Specified by:

getCentroid in interface Geometry

Overrides:

getCentroid in class AbstractDefaultGeometry

Returns:

a Point that is the centroid of this geometry

buildJTSGeometry

protected com.vividsolutions.jts.geom.Polygon buildJTSGeometry()

Overrides:

buildJTSGeometry in class AbstractDefaultGeometry

toString

public String toString()

Overrides:

toString in class AbstractDefaultGeometry

intersects

public boolean intersects(Geometry other)

Description copied from interface: Geometry

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

Specified by:

intersects in interface Geometry

Overrides:

intersects in class AbstractDefaultGeometry

Parameters:

other - the Geometry to test this Geometry against

Returns:

true if this Geometry intersects geometry