All Implemented Interfaces:

Serializable, Comparable<Point>
```
public class Point
extends Object
implements Comparable<Point>, Serializable
```
This class represents a 3D point, with some simple geometric methods (pointLineTest).

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static int BEHINDB

static int ERROR

static int INFRONTOFA

static int LEFT

static int ONSEGMENT

static int RIGHT

Constructor Summary

Constructors
Constructor	Description
`Point()`	Default Constructor.
`Point(double x, double y)`	constructs a 3D point with a z value of 0.
`Point(double x, double y, double z)`	constructs a 3D point
`Point(Point p)`	simple copy constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`compareTo(Point o)`
`double`	`distance(Point p)`
`double`	`distance3D(Point p)`
`boolean`	`equals(Object obj)`	return true iff this point [x,y] coordinates are the same as p [x,y] coordinates.
`double`	`getX()`	returns the x-coordinate of this point.
`double`	`getY()`	returns the y-coordinate of this point.
`double`	`getZ()`	returns the z-coordinate of this point.
`int`	`hashCode()`
`int`	`pointLineTest(Point a, Point b)`	tests the relation between this point (as a 2D [x,y] point) and a 2D segment a,b (the Z values are ignored), returns one of the following: LEFT, RIGHT, INFRONTOFA, BEHINDB, ONSEGMENT
`void`	`setX(double x)`	Sets the x coordinate.
`void`	`setY(double y)`	Sets the y coordinate.
`void`	`setZ(double z)`	Sets the z coordinate.
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - ONSEGMENT
```
public static final int ONSEGMENT
```
    See Also:
    
    Constant Field Values
  - LEFT
```
public static final int LEFT
```
    See Also:
    
    Constant Field Values
  - RIGHT
```
public static final int RIGHT
```
    See Also:
    
    Constant Field Values
  - INFRONTOFA
```
public static final int INFRONTOFA
```
    See Also:
    
    Constant Field Values
  - BEHINDB
```
public static final int BEHINDB
```
    See Also:
    
    Constant Field Values
  - ERROR
```
public static final int ERROR
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Point
```
public Point()
```
    Default Constructor.
    constructs a 3D point at (0,0,0).
  - Point
```
public Point(double x,
             double y,
             double z)
```
    constructs a 3D point
  - Point
```
public Point(double x,
             double y)
```
    constructs a 3D point with a z value of 0.
  - Point
```
public Point(Point p)
```
    simple copy constructor
- Method Detail
  - getX
```
public double getX()
```
    returns the x-coordinate of this point.
  - setX
```
public void setX(double x)
```
    Sets the x coordinate.
    
    Parameters:
    
    x - The new x coordinate.
  - getY
```
public double getY()
```
    returns the y-coordinate of this point.
  - setY
```
public void setY(double y)
```
    Sets the y coordinate.
    
    Parameters:
    
    y - The new y coordinate.
  - getZ
```
public double getZ()
```
    returns the z-coordinate of this point.
  - setZ
```
public void setZ(double z)
```
    Sets the z coordinate.
    
    Parameters:
    
    z - The new z coordinate.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - distance
```
public double distance(Point p)
```
    Returns:
    
    the L2 distanse NOTE: 2D only!!!
  - distance3D
```
public double distance3D(Point p)
```
    Returns:
    
    the L2 distanse NOTE: 3D only!!!
  - pointLineTest
```
public int pointLineTest(Point a,
                         Point b)
```
    tests the relation between this point (as a 2D [x,y] point) and a 2D segment a,b (the Z values are ignored), returns one of the following: LEFT, RIGHT, INFRONTOFA, BEHINDB, ONSEGMENT
    
    Parameters:
    
    a - the first point of the segment.
    
    b - the second point of the segment.
    
    Returns:
    
    the value (flag) of the relation between this point and the a,b line-segment.
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object obj)
```
    return true iff this point [x,y] coordinates are the same as p [x,y] coordinates. (the z value is ignored).
    
    Overrides:
    
    equals in class Object
  - compareTo
```
public int compareTo(Point o)
```
    Specified by:
    
    compareTo in interface Comparable<Point>

Modifier and Type	Field	Description
`static int`	`BEHINDB`
`static int`	`ERROR`
`static int`	`INFRONTOFA`
`static int`	`LEFT`
`static int`	`ONSEGMENT`
`static int`	`RIGHT`

Class Point

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ONSEGMENT

LEFT

RIGHT

INFRONTOFA

BEHINDB

ERROR

Constructor Detail

Point

Point

Point

Point

Method Detail

getX

setX

getY

setY

getZ

setZ

toString

distance

distance3D

pointLineTest

hashCode

equals

compareTo