com.moximedia.ows.geom
Class Points

java.lang.Object
  com.moximedia.ows.geom.Points

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

public class Points

extends java.lang.Object

implements java.lang.Cloneable, java.io.Serializable

Author:

jdc

See Also:

Serialized Form

Constructor Summary

Points()
Creates new Points

Points(com.vividsolutions.jts.geom.Point[] points)
Creates a new Points object from a com.vividsolutions.jts.geom.Point array.

Points(java.lang.String commaSeparatedPoints)
Creates a new Points collection from a string of x,y values that are separated by commas between the x and y values and the other coordinates (e.g.

Method Summary

boolean	add(int index, Point pt)
void	add(Point pt)
boolean	addVertexToSegmentAtDistance(Point pt, double segmentDistance)
void	clear()
java.lang.Object	clone() Creates a clone of this object.
void	close()
Point	get(int index)
Point	getClosestPointTo(Point pt) Returns the point in the points list that is closest to the specified point.
Points	getCopy() Creates a copy of this object.
double	getDistanceToClosestLineSegment(Point pt) Returns the distance from the specified point to the closest segment of the line defined between a pair of points in the points object.
Envelope	getExtent() Returns the extent of the points list, or null if the list has no points.
boolean	hasPoint(Point pt)
boolean	isClockwise() Returns whether the points list is clockwise.
java.util.Iterator	iterator()
Points	project(Projection projection)
Points	project(Projection fromProjection, Projection toProjection)
Point	remove(int index)
boolean	remove(Point pt, boolean isLineString) Removes a point from the array.
Point	replace(int index, Point pt)
void	reverse() Reverses the points in the points list
void	setClockwise() Sets the points list to clockwise.
void	setCoordinates(java.lang.String coordinates)
void	setCounterClockwise() Sets the points list to counterclockwise.
void	setXmlAttribute(java.lang.String element, java.lang.String name, java.lang.String value)
int	size()
Point[]	toArray()
java.lang.String	toGmlCoordinatesString()
java.lang.String	toGmlCoordString()
java.lang.String	toGmlLinearRingString()
java.lang.String	toGmlLineStringString()
java.lang.String	toGmlLineStringString(java.lang.String srs)
com.vividsolutions.jts.geom.Coordinate[]	toJtsCoordinateArray() Returns this object as a com.vividsolutions.jts.geom.Coordinate array.
com.vividsolutions.jts.geom.LinearRing	toJtsLinearRing() Returns this object as a com.vividsolutions.jts.geom.LinearRing
com.vividsolutions.jts.geom.Geometry	toJtsLineString() Returns this object as a com.vividsolutions.jts.geom.LineString
com.vividsolutions.jts.geom.Geometry	toJtsMultiPoint() Returns this object as a com.vividsolutions.jts.geom.MultiPoint
com.vividsolutions.jts.geom.Point[]	toJtsPointArray() Returns this object as a com.vividsolutions.jts.geom.Point array.
java.util.ArrayList	toLineSegments() Returns the points array as an ArrayList of java.awt.geom.Line2D.Double objects representing the line segments between points.
Points	unproject(Projection projection)

Methods inherited from class java.lang.Object

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

Constructor Detail

Points

public Points()

Creates new Points

Points

public Points(java.lang.String commaSeparatedPoints)

Creates a new Points collection from a string of x,y values that are separated by commas between the x and y values and the other coordinates (e.g. "0,0,100,100").

Parameters:

commaSeparatedPoints - The string containing coordinates.

Points

public Points(com.vividsolutions.jts.geom.Point[] points)

Creates a new Points object from a com.vividsolutions.jts.geom.Point array.

Parameters:

points - A com.vividsolutions.jts.geom.Point array.

Method Detail

add

public void add(Point pt)

add

public boolean add(int index,
                   Point pt)

clear

public void clear()

clone

public java.lang.Object clone()

Creates a clone of this object. Must be cast back to the correct object type before using.

Returns:

The clone of this object.

getCopy

public Points getCopy()

Creates a copy of this object.

Returns:

The copy of this object.

close

public void close()

get

public Point get(int index)

getExtent

public Envelope getExtent()

Returns the extent of the points list, or null if the list has no points.

Returns:

An Envelope containing the extent.

isClockwise

public boolean isClockwise()

Returns whether the points list is clockwise.

Returns:

True if the list is clockwise, otherwise false.

iterator

public java.util.Iterator iterator()

remove

public Point remove(int index)

replace

public Point replace(int index,
                     Point pt)

reverse

public void reverse()

Reverses the points in the points list

setCounterClockwise

public void setCounterClockwise()

Sets the points list to counterclockwise.

setClockwise

public void setClockwise()

Sets the points list to clockwise.

size

public int size()

toArray

public Point[] toArray()

toJtsCoordinateArray

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

Returns this object as a com.vividsolutions.jts.geom.Coordinate array.

Returns:

A com.vividsolutions.jts.geom.Coordinate array.

toJtsPointArray

public com.vividsolutions.jts.geom.Point[] toJtsPointArray()

Returns this object as a com.vividsolutions.jts.geom.Point array.

Returns:

A com.vividsolutions.jts.geom.Point array.

toJtsLinearRing

public com.vividsolutions.jts.geom.LinearRing toJtsLinearRing()

Returns this object as a com.vividsolutions.jts.geom.LinearRing

Returns:

A com.vividsolutions.jts.geom.LinearRing

toJtsLineString

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

Returns this object as a com.vividsolutions.jts.geom.LineString

Returns:

A com.vividsolutions.jts.geom.LineString

toJtsMultiPoint

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

Returns this object as a com.vividsolutions.jts.geom.MultiPoint

Returns:

A com.vividsolutions.jts.geom.MultiPoint

toGmlLinearRingString

public java.lang.String toGmlLinearRingString()

toGmlLineStringString

public java.lang.String toGmlLineStringString()

toGmlLineStringString

public java.lang.String toGmlLineStringString(java.lang.String srs)

toGmlCoordString

public java.lang.String toGmlCoordString()

toGmlCoordinatesString

public java.lang.String toGmlCoordinatesString()

setCoordinates

public void setCoordinates(java.lang.String coordinates)

setXmlAttribute

public void setXmlAttribute(java.lang.String element,
                            java.lang.String name,
                            java.lang.String value)

project

public Points project(Projection projection)

project

public Points project(Projection fromProjection,
                      Projection toProjection)

unproject

public Points unproject(Projection projection)

getClosestPointTo

public Point getClosestPointTo(Point pt)

Returns the point in the points list that is closest to the specified point.

Parameters:

pt - The point used in the search.

Returns:

The closest point, or null if there are no points in the points list.

getDistanceToClosestLineSegment

public double getDistanceToClosestLineSegment(Point pt)

Returns the distance from the specified point to the closest segment of the line defined between a pair of points in the points object.

Parameters:

pt - The point to measure from.

Returns:

The distance.

toLineSegments

public java.util.ArrayList toLineSegments()

Returns the points array as an ArrayList of java.awt.geom.Line2D.Double objects representing the line segments between points.

Returns:

A vector of ava.awt.geom.Line2D.Double objects.

addVertexToSegmentAtDistance

public boolean addVertexToSegmentAtDistance(Point pt,
                                            double segmentDistance)

remove

public boolean remove(Point pt,
                      boolean isLineString)

Removes a point from the array. If the linestring flag is true, removing the first or last points will result in a polygon that still closes.

Parameters:

pt - The point to remove,

Returns:

True if the point is removed, otherwise false.

hasPoint

public boolean hasPoint(Point pt)