Package gov.usgs.earthquake.qdm

Class Region

java.lang.Object

gov.usgs.earthquake.qdm.Region

public class Region
extends Object

A polygon without holes. Points are assumed to use x=longitude, y=latitude. A "default" region has no boundary points, and contains all points.

Field Summary

Fields

Modifier and Type	Field	Description
String	netid	String for net id
ArrayList<Point>	points	Arraylist of points
String	regionid	String for region id

Constructor Summary

Constructors

Constructor	Description
Region(String netid, String regionid)	Region constructor

Method Summary

Modifier and Type	Method	Description
boolean	inpoly(Point xy)	Method to determine if this lat-lon in this region? In or out algorithm taken from an algorithm by Edwards and Coleman of Oak Ridge Lab, version for BNL by Benkovitz translated to C by Andy Michael and into Java by Alan Jones.

Methods inherited from class java.lang.Object

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

Field Details

netid

public String netid

String for net id

regionid

public String regionid

String for region id

points

public ArrayList<Point> points

Arraylist of points

Constructor Details

Region

public Region(String netid,
 String regionid)

Region constructor

Parameters:

netid - string

regionid - string

Method Details

inpoly

public boolean inpoly(Point xy)

Method to determine if this lat-lon in this region? In or out algorithm taken from an algorithm by Edwards and Coleman of Oak Ridge Lab, version for BNL by Benkovitz translated to C by Andy Michael and into Java by Alan Jones.

Parameters:

xy - point

Returns:

bool if point is in region