Package javax.vecmath
Class Point3d
- java.lang.Object
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- javax.vecmath.Tuple3d
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- javax.vecmath.Point3d
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Cloneable
public class Point3d extends Tuple3d implements java.io.Serializable
A 3 element point that is represented by double precision floating point x,y,z coordinates.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Point3d()
Constructs and initializes a Point3d to (0,0,0).Point3d(double[] p)
Constructs and initializes a Point3d from the array of length 3.Point3d(double x, double y, double z)
Constructs and initializes a Point3d from the specified xyz coordinates.Point3d(Point3d p1)
Constructs and initializes a Point3d from the specified Point3d.Point3d(Point3f p1)
Constructs and initializes a Point3d from the specified Point3f.Point3d(Tuple3d t1)
Constructs and initializes a Point3d from the specified Tuple3d.Point3d(Tuple3f t1)
Constructs and initializes a Point3d from the specified Tuple3f.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double
distance(Point3d p1)
Returns the distance between this point and point p1.double
distanceL1(Point3d p1)
Computes the L-1 (Manhattan) distance between this point and point p1.double
distanceLinf(Point3d p1)
Computes the L-infinite distance between this point and point p1.double
distanceSquared(Point3d p1)
Returns the square of the distance between this point and point p1.void
project(Point4d p1)
Multiplies each of the x,y,z components of the Point4d parameter by 1/w and places the projected values into this point.-
Methods inherited from class javax.vecmath.Tuple3d
absolute, absolute, add, add, clamp, clamp, clamp, clamp, clampMax, clampMax, clampMax, clampMax, clampMin, clampMin, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getX, getY, getZ, hashCode, interpolate, interpolate, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, scaleAdd, set, set, set, set, setX, setY, setZ, sub, sub, toString
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Constructor Detail
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Point3d
public Point3d(double x, double y, double z)
Constructs and initializes a Point3d from the specified xyz coordinates.- Parameters:
x
- the x coordinatey
- the y coordinatez
- the z coordinate
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Point3d
public Point3d(double[] p)
Constructs and initializes a Point3d from the array of length 3.- Parameters:
p
- the array of length 3 containing xyz in order
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Point3d
public Point3d(Point3d p1)
Constructs and initializes a Point3d from the specified Point3d.- Parameters:
p1
- the Point3d containing the initialization x y z data
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Point3d
public Point3d(Point3f p1)
Constructs and initializes a Point3d from the specified Point3f.- Parameters:
p1
- the Point3f containing the initialization x y z data
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Point3d
public Point3d(Tuple3f t1)
Constructs and initializes a Point3d from the specified Tuple3f.- Parameters:
t1
- the Tuple3f containing the initialization x y z data
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Point3d
public Point3d(Tuple3d t1)
Constructs and initializes a Point3d from the specified Tuple3d.- Parameters:
t1
- the Tuple3d containing the initialization x y z data
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Point3d
public Point3d()
Constructs and initializes a Point3d to (0,0,0).
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Method Detail
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distanceSquared
public final double distanceSquared(Point3d p1)
Returns the square of the distance between this point and point p1.- Parameters:
p1
- the other point- Returns:
- the square of the distance
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distance
public final double distance(Point3d p1)
Returns the distance between this point and point p1.- Parameters:
p1
- the other point- Returns:
- the distance
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distanceL1
public final double distanceL1(Point3d 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- Returns:
- the L-1 distance
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distanceLinf
public final double distanceLinf(Point3d 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- Returns:
- the L-infinite distance
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project
public final void project(Point4d p1)
Multiplies each of the x,y,z components of the Point4d 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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