org.deegree.geometry.standard.primitive
Class DefaultOrientableCurve

java.lang.Object
  org.deegree.geometry.standard.AbstractDefaultGeometry
      org.deegree.geometry.standard.primitive.DefaultOrientableCurve

All Implemented Interfaces:

Geometry, Curve, GeometricPrimitive, OrientableCurve, GMLObject

public class DefaultOrientableCurve
extends AbstractDefaultGeometry
implements OrientableCurve

Default implementation of OrientableCurve.

Version:

$Revision:$, $Date:$

Author:

Markus Schneider , last edited by: $Author:$

Nested Class Summary

Nested classes/interfaces inherited from interface org.deegree.geometry.primitive.Curve

Curve.CurveType

Nested classes/interfaces inherited from interface org.deegree.geometry.primitive.GeometricPrimitive

GeometricPrimitive.PrimitiveType

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

Geometry.GeometryType

Field Summary

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

jtsFactory, jtsGeometry, pm

Constructor Summary

DefaultOrientableCurve(String id, CRS crs, Curve baseCurve, boolean isReversed)
Creates a new DefaultOrientableCurve instance from the given parameters.

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.
LineString	getAsLineString() Returns a linear interpolated representation of the curve.
Curve	getBaseCurve() Returns the Curve that this OrientableCurve is based on.
Pair<Point,Point>	getBoundary() The boundary of a curve is the set of points at either end of the curve.
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.
Points	getControlPoints() Convenience method for accessing the control points of linear interpolated curves.
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.
List<CurveSegment>	getCurveSegments() Returns the segments that constitute this curve.
Curve.CurveType	getCurveType() Must always return Curve.CurveType.OrientableCurve.
Geometry	getDifference(Geometry geometry) Returns the set-theoretic difference of this and the passed Geometry.
Measure	getDistance(Geometry geometry, Unit requestedUnit) Returns the minimum distance between this and the specified geometry.
Point	getEndPoint() Returns the end point of the curve.
Envelope	getEnvelope() Returns the minimal bounding box of the geometry.
Geometry.GeometryType	getGeometryType() Must always return Geometry.GeometryType#PRIMITIVE_GEOMETRY.
String	getId() Returns the id of the geometry.
Geometry	getIntersection(Geometry geometry) Returns the set-theoretic intersection of this and the passed Geometry.
com.vividsolutions.jts.geom.Geometry	getJTSGeometry() Returns an equivalent (or best-fit) JTS geometry object.
Measure	getLength(Unit requestedUnit)
PrecisionModel	getPrecision() Returns the PrecisionModel of the geometry.
GeometricPrimitive.PrimitiveType	getPrimitiveType() Must always return GeometricPrimitive.PrimitiveType.Curve.
Point	getStartPoint() Returns the start point of the curve.
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	isClosed() Returns whether the curve forms a closed loop.
boolean	isDisjoint(Geometry geometry) Tests whether this geometry is disjoint from the specified geometry.
boolean	isReversed() Returns whether the orientation of this curve is reversed compared to the base curve.
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.
boolean	touches(Geometry geometry) Tests whether this geometry touches the specified geometry.

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

buildJTSGeometry, createFromJTS, getAsDefaultGeometry, getCentroid, getGMLProperties, setCoordinateSystem, setGMLProperties, setId, setPrecision, toString

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

getCentroid, setCoordinateSystem, setGMLProperties, setId, setPrecision

Methods inherited from interface org.deegree.gml.GMLObject

getGMLProperties

Constructor Detail

DefaultOrientableCurve

public DefaultOrientableCurve(String id,
                              CRS crs,
                              Curve baseCurve,
                              boolean isReversed)

Creates a new DefaultOrientableCurve instance from the given parameters.

Parameters:

id - identifier of the created geometry object

crs - coordinate reference system

baseCurve - base curve

isReversed - set to true, if the order of the base curve shall be reversed

Method Detail

getId

public String getId()

Description copied from interface: Geometry

Returns the id of the geometry.

In a GML representation of the geometry, this corresponds to the gml:id (GML 3 and later) or gid (GML 2) attribute of the geometry element.

Specified by:

getId in interface Geometry

Specified by:

getId in interface GMLObject

Overrides:

getId in class AbstractDefaultGeometry

Returns:

the id of the geometry, or null if it is an anonymous (unidentified) geometry

getCoordinateSystem

public CRS getCoordinateSystem()

Description copied from interface: Geometry

Returns the associated spatial reference system.

Specified by:

getCoordinateSystem in interface Geometry

Overrides:

getCoordinateSystem in class AbstractDefaultGeometry

Returns:

spatial reference system, may be null

getAsLineString

public LineString getAsLineString()

Description copied from interface: Curve

Returns a linear interpolated representation of the curve.

NOTE: This method is only safe to use when the curve is a LineString or LinearRing or it only consists of LineStringSegments. In any other case it will fail.

Specified by:

getAsLineString in interface Curve

Returns:

curve as a linestring

getCurveSegments

public List<CurveSegment> getCurveSegments()

Description copied from interface: Curve

Returns the segments that constitute this curve.

Specified by:

getCurveSegments in interface Curve

Returns:

the segments that constitute this curve

getCurveType

public Curve.CurveType getCurveType()

Description copied from interface: OrientableCurve

Must always return Curve.CurveType.OrientableCurve.

Specified by:

getCurveType in interface Curve

Specified by:

getCurveType in interface OrientableCurve

Returns:

Curve.CurveType.OrientableCurve

getBaseCurve

public Curve getBaseCurve()

Description copied from interface: OrientableCurve

Returns the Curve that this OrientableCurve is based on.

Specified by:

getBaseCurve in interface OrientableCurve

Returns:

the base Curve

isReversed

public boolean isReversed()

Description copied from interface: OrientableCurve

Returns whether the orientation of this curve is reversed compared to the base curve.

Specified by:

isReversed in interface OrientableCurve

Returns:

true, if the orientation is reversed, false otherwise

getEndPoint

public Point getEndPoint()

Description copied from interface: Curve

Returns the end point of the curve.

Specified by:

getEndPoint in interface Curve

Returns:

the end point of the curve

getStartPoint

public Point getStartPoint()

Description copied from interface: Curve

Returns the start point of the curve.

Specified by:

getStartPoint in interface Curve

Returns:

the start point of the curve

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

Overrides:

contains in class AbstractDefaultGeometry

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

Overrides:

crosses in class AbstractDefaultGeometry

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

Overrides:

getDifference in class AbstractDefaultGeometry

Parameters:

geometry - other geometry, must not be null

Returns:

difference Geometry or null (empty set)

getDistance

public Measure getDistance(Geometry geometry,
                           Unit requestedUnit)

Description copied from interface: Geometry

Returns the minimum distance between this and the specified geometry.

Specified by:

getDistance in interface Geometry

Overrides:

getDistance in class AbstractDefaultGeometry

Parameters:

geometry - second geometry

requestedUnit - 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

Overrides:

equals in class AbstractDefaultGeometry

Parameters:

geometry - the Geometry to test this Geometry against

Returns:

true if this Geometry is equal to geometry

getBoundary

public Pair<Point,Point> getBoundary()

Description copied from interface: Curve

The boundary of a curve is the set of points at either end of the curve. If the curve is a cycle, the two ends are identical, and the curve (if topologically closed) is considered to not have a boundary.

Specified by:

getBoundary in interface Curve

Returns:

boundary of a curve. If a curve does not have a boundary because it is closed an empty List shall be retruned

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

Overrides:

getBuffer in class AbstractDefaultGeometry

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

Overrides:

getConvexHull in class AbstractDefaultGeometry

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

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

getLength

public Measure getLength(Unit requestedUnit)

Specified by:

getLength in interface Curve

Returns:

length of the curve

getPrecision

public PrecisionModel getPrecision()

Description copied from interface: Geometry

Returns the PrecisionModel of the geometry.

Specified by:

getPrecision in interface Geometry

Overrides:

getPrecision in class AbstractDefaultGeometry

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

Overrides:

getIntersection in class AbstractDefaultGeometry

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

Overrides:

intersects in class AbstractDefaultGeometry

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

Overrides:

isDisjoint in class AbstractDefaultGeometry

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

Overrides:

overlaps in class AbstractDefaultGeometry

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

Overrides:

touches in class AbstractDefaultGeometry

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

Overrides:

isBeyond in class AbstractDefaultGeometry

Parameters:

geometry - second geometry

Returns:

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

isClosed

public boolean isClosed()

Description copied from interface: Curve

Returns whether the curve forms a closed loop.

Specified by:

isClosed in interface Curve

Returns:

true, if the curve forms a closed loop, false otherwise

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

Overrides:

isWithin in class AbstractDefaultGeometry

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

Overrides:

isWithinDistance in class AbstractDefaultGeometry

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

Overrides:

getUnion in class AbstractDefaultGeometry

Parameters:

geometry - other geometry, must not be null

Returns:

united Geometry (never null)

getPrimitiveType

public GeometricPrimitive.PrimitiveType getPrimitiveType()

Description copied from interface: Curve

Must always return GeometricPrimitive.PrimitiveType.Curve.

Specified by:

getPrimitiveType in interface Curve

Specified by:

getPrimitiveType in interface GeometricPrimitive

Returns:

GeometricPrimitive.PrimitiveType.Curve

getGeometryType

public Geometry.GeometryType getGeometryType()

Description copied from interface: GeometricPrimitive

Must always return Geometry.GeometryType#PRIMITIVE_GEOMETRY.

Specified by:

getGeometryType in interface Geometry

Specified by:

getGeometryType in interface GeometricPrimitive

Returns:

must always return Geometry.GeometryType#PRIMITIVE_GEOMETRY

getControlPoints

public Points getControlPoints()

Description copied from interface: Curve

Convenience method for accessing the control points of linear interpolated curves.

NOTE: This method is only safe to use when the curve is a LineString or LinearRing or it only consists of LineStringSegments. In any other case it will fail.

Specified by:

getControlPoints in interface Curve

Returns:

the control points

getJTSGeometry

public com.vividsolutions.jts.geom.Geometry getJTSGeometry()

Description copied from class: AbstractDefaultGeometry

Returns an equivalent (or best-fit) JTS geometry object.

Overrides:

getJTSGeometry in class AbstractDefaultGeometry

Returns:

an equivalent (or best-fit) JTS geometry