javax.vecmath
Class Point4d
- Serializable
public class Point4d
implements Serializable
A 4 element point that is represented by double precision
floating point x,y,z,w coordinates.
specification 1.1, implementation $Revision: 1.10 $, $Date: 1999/10/05 07:03:50 $
Point4d() - Constructs and initializes a Point4d to (0,0,0,0).
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Point4d(double x, double y, double z, double w) - Constructs and initializes a Point4d from the specified xyzw coordinates.
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Point4d(Point4d p1) - Constructs and initializes a Point4d from the specified Point4d.
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Point4d(Point4f p1) - Constructs and initializes a Point4d from the specified Point4f.
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Point4d(Tuple3d t1) - Constructs and initializes a Point4d from the specified Tuple3d.
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Point4d(Tuple4d t1) - Constructs and initializes a Point4d from the specified Tuple4d.
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Point4d(Tuple4f t1) - Constructs and initializes a Point4d from the specified Tuple4f.
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Point4d(p[] ) - Constructs and initializes a Point4d from the specified array.
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double | distance(Point4d p1) - Returns the distance between this point and point p1.
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double | distanceL1(Point4d p1) - Computes the L-1 (Manhattan) distance between this point and point p1.
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double | distanceLinf(Point4d p1) - Computes the L-infinite distance between this point and point p1.
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double | distanceSquared(Point4d p1) - Computes the square of the distance between this point and point p1.
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void | project(Point4d p1) - Multiplies each of the x,y,z components of the Point4d parameter by 1/w,
places the projected values into this point, and places a 1 as the w
parameter of this point.
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void | set(Tuple3d t1) - Sets the x,y,z components of this point to the corresponding
components of tuple t1.
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absolute , absolute , add , add , clamp , clamp , clampMax , clampMax , clampMin , clampMin , epsilonEquals , equals , get , get , hashCode , interpolate , interpolate , negate , negate , scale , scale , scaleAdd , scaleAdd , set , set , set , set , sub , sub , toString |
Point4d
public Point4d()
Constructs and initializes a Point4d to (0,0,0,0).
Point4d
public Point4d(double x,
double y,
double z,
double w)
Constructs and initializes a Point4d from the specified xyzw coordinates.
x
- the x coordinatey
- the y coordinatez
- the z coordinatew
- the w coordinate
Point4d
public Point4d(Point4d p1)
Constructs and initializes a Point4d from the specified Point4d.
p1
- the Point4d containing the initialization x y z w data
Point4d
public Point4d(Point4f p1)
Constructs and initializes a Point4d from the specified Point4f.
p1
- the Point4f containing the initialization x y z w data
Point4d
public Point4d(Tuple3d t1)
Constructs and initializes a Point4d from the specified Tuple3d.
The x,y,z components of this point are set to the corresponding
components
of tuple t1. The w component of this point is set to 1.
t1
- the tuple to be copied
Point4d
public Point4d(Tuple4d t1)
Constructs and initializes a Point4d from the specified Tuple4d.
t1
- the Tuple4d containing the initialization x y z w data
Point4d
public Point4d(Tuple4f t1)
Constructs and initializes a Point4d from the specified Tuple4f.
t1
- the Tuple4f containing the initialization x y z w data
Point4d
public Point4d(p[] )
Constructs and initializes a Point4d from the specified array.
distance
public final double distance(Point4d p1)
Returns the distance between this point and point p1.
- the distance between this point and point p1.
distanceL1
public final double distanceL1(Point4d 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) + abs(w1-w2).
distanceLinf
public final double distanceLinf(Point4d 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), abs(w1-w2)].
distanceSquared
public final double distanceSquared(Point4d p1)
Computes the square of the distance between this point and point p1.
- the square of distance between this point and p1
project
public final void project(Point4d p1)
Multiplies each of the x,y,z components of the Point4d parameter by 1/w,
places the projected values into this point, and places a 1 as the w
parameter of this point.
p1
- the source Point4d, which is not modified
set
public final void set(Tuple3d t1)
Sets the x,y,z components of this point to the corresponding
components of tuple t1. The w component of this point is set to 1.
t1
- the tuple to be copied