Package javax.vecmath
Class Point3d
java.lang.Object
javax.vecmath.Tuple3d
javax.vecmath.Point3d
- All Implemented Interfaces:
Serializable
,Cloneable
A 3 element point that is represented by double precision floating point
x,y,z coordinates.
- See Also:
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Field Summary
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Constructor Summary
ConstructorsConstructorDescriptionPoint3d()
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.Constructs and initializes a Point3d from the specified Point3d.Constructs and initializes a Point3d from the specified Point3f.Constructs and initializes a Point3d from the specified Tuple3d.Constructs and initializes a Point3d from the specified Tuple3f. -
Method Summary
Modifier and TypeMethodDescriptionfinal double
Returns the distance between this point and point p1.final double
distanceL1
(Point3d p1) Computes the L-1 (Manhattan) distance between this point and point p1.final double
distanceLinf
(Point3d p1) Computes the L-infinite distance between this point and point p1.final double
Returns the square of the distance between this point and point p1.final void
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 Details
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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
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
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
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
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 Details
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distanceSquared
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
Returns the distance between this point and point p1.- Parameters:
p1
- the other point- Returns:
- the distance
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distanceL1
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
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
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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