org.geolatte.geom

Class EmptyPointSequence

java.lang.Object

org.geolatte.geom.EmptyPointSequence

All Implemented Interfaces:

com.vividsolutions.jts.geom.CoordinateSequence, Serializable, Cloneable, Iterable<Point>, PointCollection, PointSequence

public class EmptyPointSequence
extends Object
implements PointSequence, com.vividsolutions.jts.geom.CoordinateSequence

Represents an empty PointSequence.

Author:

Karel Maesen, Geovise BVBA, 2011

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static EmptyPointSequence	INSTANCE

Fields inherited from interface com.vividsolutions.jts.geom.CoordinateSequence

M, X, Y, Z

Method Summary

Modifier and Type	Method and Description
void	accept(PointVisitor visitor) Accepts a PointVisitor.
EmptyPointSequence	clone()
boolean	equals(Object o)
com.vividsolutions.jts.geom.Envelope	expandEnvelope(com.vividsolutions.jts.geom.Envelope env)
com.vividsolutions.jts.geom.Coordinate	getCoordinate(int i)
void	getCoordinate(int index, com.vividsolutions.jts.geom.Coordinate coord)
double	getCoordinate(int position, CoordinateComponent component) Returns the specified coordinate for the Point at the specified position in this PointCollection.
com.vividsolutions.jts.geom.Coordinate	getCoordinateCopy(int i)
int	getCoordinateDimension() Returns the coordinate dimension of this PointCollection.
void	getCoordinates(double[] coordinates, int index) Copies the coordinates of the Point at the specified (zero-based) position in this PointCollection into the specified coordinate array.
CrsId	getCrsId() Returns the CrsId of this PointCollection.
int	getDimension()
DimensionalFlag	getDimensionalFlag() Returns the DimensionalFlag of this PointCollection.
double	getM(int position) Returns the M-coordinate for the Point at the specified position in this PointCollection.
double	getOrdinate(int index, int ordinateIndex)
double	getX(int position) Returns the X-coordinate for the Point at the specified position in this PointCollection.
double	getY(int position) Returns the Y-coordinate for the Point at the specified position in this PointCollection.
double	getZ(int position) Returns the Z-coordinate for the Point at the specified position in this PointCollection.
boolean	is3D() Returns true iff the Points in this instance have a Z-coordinate.
boolean	isEmpty() Returns true iff this PointCollection contains no Points
boolean	isMeasured() Returns true iff the Points in this instance have an M-coordinate.
Iterator<Point>	iterator()
void	setOrdinate(int index, int ordinateIndex, double value)
int	size() Returns the number of Points contained in this PointCollection.
com.vividsolutions.jts.geom.Coordinate[]	toCoordinateArray()
String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

INSTANCE

public static final EmptyPointSequence INSTANCE

Method Detail

is3D

public boolean is3D()

Description copied from interface: PointCollection

Returns true iff the Points in this instance have a Z-coordinate.

Specified by:

is3D in interface PointCollection

Returns:

true iff the Points in this instance have a Z-coordinate.

isMeasured

public boolean isMeasured()

Description copied from interface: PointCollection

Returns true iff the Points in this instance have an M-coordinate.

Specified by:

isMeasured in interface PointCollection

Returns:

true iff the Points in this instance have an M-coordinate.

getDimensionalFlag

public DimensionalFlag getDimensionalFlag()

Description copied from interface: PointCollection

Returns the DimensionalFlag of this PointCollection.

Specified by:

getDimensionalFlag in interface PointCollection

Returns:

the DimensionalFlag of this PointCollection

getCrsId

public CrsId getCrsId()

Description copied from interface: PointCollection

Returns the CrsId of this PointCollection.

Specified by:

getCrsId in interface PointCollection

Returns:

the CrsId of this PointCollection.

isEmpty

public boolean isEmpty()

Description copied from interface: PointCollection

Returns true iff this PointCollection contains no Points

Specified by:

isEmpty in interface PointCollection

Returns:

true iff this PointCollection contains no Points

getCoordinateDimension

public int getCoordinateDimension()

Description copied from interface: PointCollection

Returns the coordinate dimension of this PointCollection.

The coordinate dimension is number of measurements or axes needed to describe a position of a Point in a coordinate system.

Specified by:

getCoordinateDimension in interface PointCollection

Returns:

the coordinate dimension of this PointCollection

getCoordinates

public void getCoordinates(double[] coordinates,
                           int index)

Description copied from interface: PointCollection

Copies the coordinates of the Point at the specified (zero-based) position in this PointCollection into the specified coordinate array.

Specified by:

getCoordinates in interface PointCollection

Parameters:

coordinates - an array for the coordinates of the Point at the specified position

index - the position of the Point in this PointCollection whose coordinates are copied into the coordinates array

getDimension

public int getDimension()

Specified by:

getDimension in interface com.vividsolutions.jts.geom.CoordinateSequence

getCoordinate

public com.vividsolutions.jts.geom.Coordinate getCoordinate(int i)

Specified by:

getCoordinate in interface com.vividsolutions.jts.geom.CoordinateSequence

getCoordinateCopy

public com.vividsolutions.jts.geom.Coordinate getCoordinateCopy(int i)

Specified by:

getCoordinateCopy in interface com.vividsolutions.jts.geom.CoordinateSequence

getCoordinate

public void getCoordinate(int index,
                          com.vividsolutions.jts.geom.Coordinate coord)

Specified by:

getCoordinate in interface com.vividsolutions.jts.geom.CoordinateSequence

getX

public double getX(int position)

Description copied from interface: PointCollection

Returns the X-coordinate for the Point at the specified position in this PointCollection.

Specified by:

getX in interface com.vividsolutions.jts.geom.CoordinateSequence

Specified by:

getX in interface PointCollection

Parameters:

position - position of the Point in this PointCollection

Returns:

the X-coordinate of the specified Point

getY

public double getY(int position)

Description copied from interface: PointCollection

Returns the Y-coordinate for the Point at the specified position in this PointCollection.

Specified by:

getY in interface com.vividsolutions.jts.geom.CoordinateSequence

Specified by:

getY in interface PointCollection

Parameters:

position - position of the Point in this PointCollection

Returns:

the Y-coordinate of the specified Point

getOrdinate

public double getOrdinate(int index,
                          int ordinateIndex)

Specified by:

getOrdinate in interface com.vividsolutions.jts.geom.CoordinateSequence

getCoordinate

public double getCoordinate(int position,
                            CoordinateComponent component)

Description copied from interface: PointCollection

Returns the specified coordinate for the Point at the specified position in this PointCollection.

Specified by:

getCoordinate in interface PointCollection

Parameters:

position - position of the Point in this PointCollection

component - the coordinate component for which to return the coordinate

Returns:

the coordinate, specified by the component parameter, of the specified Point

getZ

public double getZ(int position)

Description copied from interface: PointCollection

Returns the Z-coordinate for the Point at the specified position in this PointCollection.

Specified by:

getZ in interface PointCollection

Parameters:

position - position of the Point in this PointCollection

Returns:

the Z-coordinate of the specified Point

getM

public double getM(int position)

Description copied from interface: PointCollection

Returns the M-coordinate for the Point at the specified position in this PointCollection.

Specified by:

getM in interface PointCollection

Parameters:

position - position of the Point in this PointCollection

Returns:

the M-coordinate of the specified Point

size

public int size()

Description copied from interface: PointCollection

Returns the number of Points contained in this PointCollection.

Specified by:

size in interface com.vividsolutions.jts.geom.CoordinateSequence

Specified by:

size in interface PointCollection

Returns:

the number of Points contained in this PointCollection.

setOrdinate

public void setOrdinate(int index,
                        int ordinateIndex,
                        double value)

Specified by:

setOrdinate in interface com.vividsolutions.jts.geom.CoordinateSequence

toCoordinateArray

public com.vividsolutions.jts.geom.Coordinate[] toCoordinateArray()

Specified by:

toCoordinateArray in interface com.vividsolutions.jts.geom.CoordinateSequence

expandEnvelope

public com.vividsolutions.jts.geom.Envelope expandEnvelope(com.vividsolutions.jts.geom.Envelope env)

Specified by:

expandEnvelope in interface com.vividsolutions.jts.geom.CoordinateSequence

iterator

public Iterator<Point> iterator()

Specified by:

iterator in interface Iterable<Point>

clone

public EmptyPointSequence clone()

Specified by:

clone in interface com.vividsolutions.jts.geom.CoordinateSequence

Specified by:

clone in interface PointSequence

Overrides:

clone in class Object

accept

public void accept(PointVisitor visitor)

Description copied from interface: PointCollection

Accepts a PointVisitor.

This instance will pass the visitor to all of its Points.

Specified by:

accept in interface PointCollection

Parameters:

visitor - the visitor for this instance's Points

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object