Package javax.vecmath
Class Point3f
- java.lang.Object
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- javax.vecmath.Tuple3f
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- javax.vecmath.Point3f
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- All Implemented Interfaces:
java.io.Serializable
public class Point3f extends Tuple3f implements java.io.Serializable
A 3 element point that is represented by single precision floating point x,y,z coordinates.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Point3f()
Constructs and initializes a Point3f to (0,0,0).Point3f(float[] p)
Constructs and initializes a Point3f from the specified array.Point3f(float x, float y, float z)
Constructs and initializes a Point3f from the specified xy coordinates.Point3f(Point3d p1)
Constructs and initializes a Point3f from the specified Point3d.Point3f(Point3f p1)
Constructs and initializes a Point3f from the specified Point3f.Point3f(Tuple3d t1)
Constructs and initializes a Point3f from the specified Tuple3d.Point3f(Tuple3f t1)
Constructs and initializes a Point3f from the specified Tuple3f.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description float
distance(Point3f p1)
Returns the distance between this point and point p1.float
distanceL1(Point3f p1)
Computes the L-1 (Manhattan) distance between this point and point p1.float
distanceLinf(Point3f p1)
Computes the L-infinite distance between this point and point p1.float
distanceSquared(Point3f p1)
Computes the square of the distance between this point and point p1.void
project(Point4f p1)
Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.
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Constructor Detail
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Point3f
public Point3f(float x, float y, float z)
Constructs and initializes a Point3f from the specified xy coordinates.- Parameters:
x
- the x coordinatey
- the y coordinatez
- the z coordinate
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Point3f
public Point3f(float[] p)
Constructs and initializes a Point3f from the specified array.- Parameters:
p
- the array of length 3 containing xyz in order
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Point3f
public Point3f(Point3f p1)
Constructs and initializes a Point3f from the specified Point3f.- Parameters:
p1
- the Point3f containing the initialization x y z data
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Point3f
public Point3f(Point3d p1)
Constructs and initializes a Point3f from the specified Point3d.- Parameters:
p1
- the Point3f containing the initialization x y z data
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Point3f
public Point3f(Tuple3f t1)
Constructs and initializes a Point3f from the specified Tuple3f.- Parameters:
t1
- the Tuple3f containing the initialization x y z data
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Point3f
public Point3f(Tuple3d t1)
Constructs and initializes a Point3f from the specified Tuple3d.- Parameters:
t1
- the Tuple3d containing the initialization x y z data
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Point3f
public Point3f()
Constructs and initializes a Point3f to (0,0,0).
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Method Detail
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distanceSquared
public final float distanceSquared(Point3f p1)
Computes the square of the distance between this point and point p1.- Parameters:
p1
- the other point- Returns:
- the square of distance between these two points as a float
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distance
public final float distance(Point3f p1)
Returns the distance between this point and point p1.- Parameters:
p1
- the other point- Returns:
- the distance between these two points
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distanceL1
public final float distanceL1(Point3f 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) + abs(z1-z2) .- Parameters:
p1
- the other point
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distanceLinf
public final float distanceLinf(Point3f 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), abs(z1-z2)].- Parameters:
p1
- the other point
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project
public final void project(Point4f p1)
Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.- Parameters:
p1
- the source Point4d, which is not modified
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