execution.world.geometry

Class Point

java.lang.Object

execution.world.geometry.Geometry

execution.world.geometry.Point

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

Circle

public class Point
extends Geometry
implements Cloneable

MOVES Institute Naval Postgraduate School, Monterey, CA www.nps.edu

Since:

Apr 20, 2009, 1:12:51 PM

Version:

$Id: Point.java 8086 2012-07-16 23:46:35Z tnorbraten $

Author:

Duane Davis

Constructor Summary

Constructors

Constructor and Description
Point(double[] p) Constructor
Point(double x, double y) Constructor
Point(Point p) Copy constructor

Method Summary

Methods

Modifier and Type	Method and Description
Point	clone() Implements the Cloneable interface
double	getDirectionTo(double x2, double y2) Computes the direction (radians) from this point to a specified point
double	getDirectionTo(double centerX, double centerY, double radius) Computes the direction (radians) from the Geometry object to a Circle
double	getDirectionTo(double x1, double y1, double x2, double y2) Computes the direction (radians) from this point to the closest point on a line segment
double	getDistance(double x2, double y2) Computes the distance between this point and another point
double	getDistance(double centerX, double centerY, double radius) Computes the distance from the Geometry object to a Circle
double	getDistance(double x1, double y1, double x2, double y2) Computes the distance between this point and a line segment
double	getX()
double	getY()
void	setCoordinates(double[] newPosit) Sets the Cartesian coordinate (meters) of the point
void	setCoordinates(double newX, double newY) Sets the Cartesian coordinate (meters) of the point
void	setCoordinates(Point newPosit) Sets the Cartesian coordinate (meters) of the point
void	setX(double newX) Sets the east/west Cartesian coordinate (meters) of the point
void	setY(double newY) Sets the east/west Cartesian coordinate (meters) of the point
String	toString() Generates a string representation of the Point object

Methods inherited from class execution.world.geometry.Geometry

determinant, dotProduct, getClosestPointOnLine, getClosestPointOnSegment, getDirectionTo, getDirectionTo, getDirectionTo, getDirectionTo, getDirectionTo, getDirectionTo, getDirectionTo, getDistance, getDistance, getDistance, getDistance, getDistance, getDistance, getDistance, getDistance, getIntersectPoint, isInSegment, isOnSegment, pointDirection, pointDistance

Methods inherited from class java.lang.Object

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

Constructor Detail

Point

public Point(double x,
     double y)

Constructor

Point

public Point(double[] p)

Constructor

Point

public Point(Point p)

Copy constructor

Method Detail

clone

public Point clone()

Implements the Cloneable interface

Overrides:

clone in class Object

getX

public double getX()

Returns:

the north/south Cartesian coordinate (meters) of the point

setCoordinates

public void setCoordinates(double[] newPosit)

Sets the Cartesian coordinate (meters) of the point

Parameters:

newPosit - the new Cartesian coordinates

setCoordinates

public void setCoordinates(Point newPosit)

Sets the Cartesian coordinate (meters) of the point

Parameters:

newPosit - the new Cartesian coordinates

setCoordinates

public void setCoordinates(double newX,
                  double newY)

Sets the Cartesian coordinate (meters) of the point

Parameters:

newX - the new north/south Cartesian coordinate

newY - the new east/west Cartesian coordinate

setX

public void setX(double newX)

Sets the east/west Cartesian coordinate (meters) of the point

Parameters:

newX - the new north/south Cartesian coordinate

getY

public double getY()

Returns:

the east/west Cartesian coordinate (meters) of the point

setY

public void setY(double newY)

Sets the east/west Cartesian coordinate (meters) of the point

Parameters:

newY - the new east/west Cartesian coordinate

getDistance

public double getDistance(double x2,
                 double y2)

Computes the distance between this point and another point

Specified by:

getDistance in class Geometry

Parameters:

x2 - x coordinate of the point being tested

y2 - y coordinate of the point being tested

Returns:

the distance (meters) between this point and point2

getDirectionTo

public double getDirectionTo(double x2,
                    double y2)

Computes the direction (radians) from this point to a specified point

Specified by:

getDirectionTo in class Geometry

Parameters:

x2 - x coordinate of the point being tested

y2 - y coordinate of the point being tested

Returns:

the direction (radians) from this point to the other point

getDistance

public double getDistance(double centerX,
                 double centerY,
                 double radius)

Computes the distance from the Geometry object to a Circle

Specified by:

getDistance in class Geometry

Parameters:

centerX - north/south coordinate of the circle being tested

centerY - east/west coordinate of the circle being tested

radius - of the circle being tested

Returns:

the distance (meters) between this point and point2

getDirectionTo

public double getDirectionTo(double centerX,
                    double centerY,
                    double radius)

Computes the direction (radians) from the Geometry object to a Circle

Specified by:

getDirectionTo in class Geometry

Parameters:

centerX - x coordinate of the circle being tested

centerY - y coordinate of the circle being tested

radius - of the circle being tested

Returns:

the direction from this Geometry object to a circle

getDistance

public double getDistance(double x1,
                 double y1,
                 double x2,
                 double y2)

Computes the distance between this point and a line segment

Specified by:

getDistance in class Geometry

Parameters:

x1 - north/south coordinate of the first segment end point

y1 - east west coordinate of the first segment end point

x2 - north/south coordinate of the second segment end point

y2 - east west coordinate of the second segment end point

Returns:

the distance (meters) between this point and the segment

getDirectionTo

public double getDirectionTo(double x1,
                    double y1,
                    double x2,
                    double y2)

Computes the direction (radians) from this point to the closest point on a line segment

Specified by:

getDirectionTo in class Geometry

Parameters:

x1 - north/south coordinate of the first segment end point

y1 - east west coordinate of the first segment end point

x2 - north/south coordinate of the second segment end point

y2 - east west coordinate of the second segment end point

Returns:

the direction (radians) from this point to the line segment

toString

public String toString()

Generates a string representation of the Point object

Overrides:

toString in class Object