Package javax.vecmath
Class Point2d
- java.lang.Object
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- javax.vecmath.Tuple2d
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- javax.vecmath.Point2d
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- All Implemented Interfaces:
java.io.Serializable
public class Point2d extends Tuple2d implements java.io.Serializable
A 2 element point that is represented by double precision doubleing point x,y coordinates.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Point2d()
Constructs and initializes a Point2d to (0,0).Point2d(double[] p)
Constructs and initializes a Point2d from the specified array.Point2d(double x, double y)
Constructs and initializes a Point2d from the specified xy coordinates.Point2d(Point2d p1)
Constructs and initializes a Point2d from the specified Point2d.Point2d(Point2f p1)
Constructs and initializes a Point2d from the specified Point2f.Point2d(Tuple2d t1)
Constructs and initializes a Point2d from the specified Tuple2d.Point2d(Tuple2f t1)
Constructs and initializes a Point2d from the specified Tuple2f.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double
distance(Point2d p1)
Computes the distance between this point and point p1.double
distanceL1(Point2d p1)
Computes the L-1 (Manhattan) distance between this point and point p1.double
distanceLinf(Point2d p1)
Computes the L-infinite distance between this point and point p1.double
distanceSquared(Point2d p1)
Computes the square of the distance between this point and point p1.
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Constructor Detail
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Point2d
public Point2d(double x, double y)
Constructs and initializes a Point2d from the specified xy coordinates.- Parameters:
x
- the x coordinatey
- the y coordinate
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Point2d
public Point2d(double[] p)
Constructs and initializes a Point2d from the specified array.- Parameters:
p
- the array of length 2 containing xy in order
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Point2d
public Point2d(Point2d p1)
Constructs and initializes a Point2d from the specified Point2d.- Parameters:
p1
- the Point2d containing the initialization x y data
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Point2d
public Point2d(Point2f p1)
Constructs and initializes a Point2d from the specified Point2f.- Parameters:
p1
- the Point2f containing the initialization x y data
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Point2d
public Point2d(Tuple2d t1)
Constructs and initializes a Point2d from the specified Tuple2d.- Parameters:
t1
- the Tuple2d containing the initialization x y data
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Point2d
public Point2d(Tuple2f t1)
Constructs and initializes a Point2d from the specified Tuple2f.- Parameters:
t1
- the Tuple2f containing the initialization x y data
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Point2d
public Point2d()
Constructs and initializes a Point2d to (0,0).
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Method Detail
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distanceSquared
public final double distanceSquared(Point2d p1)
Computes the square of the distance between this point and point p1.- Parameters:
p1
- the other point
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distance
public final double distance(Point2d p1)
Computes the distance between this point and point p1.- Parameters:
p1
- the other point
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distanceL1
public final double distanceL1(Point2d p1)
Computes the L-1 (Manhattan) distance between this point and point p1. The L-1 distance is equal to abs(x1-x2) + abs(y1-y2).- Parameters:
p1
- the other point
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distanceLinf
public final double distanceLinf(Point2d p1)
Computes the L-infinite distance between this point and point p1. The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2)].- Parameters:
p1
- the other point
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