Point4d (Java 3D Javadocs 0-SNAPSHOT API)

java.lang.Object
- org.scijava.vecmath.Tuple4d
- - org.scijava.vecmath.Point4d

All Implemented Interfaces:

Serializable, Cloneable
```
public class Point4d
extends Tuple4d
implements Serializable
```
A 4 element vector represented by double precision floating point x,y,z,w coordinates.

See Also:

Serialized Form

Field Summary
- Fields inherited from class org.scijava.vecmath.Tuple4d
  w, x, y, z

Constructor Summary

Constructors
Constructor and Description
`Point4d()` Constructs and initializes a Point4d to (0,0,0,0).
`Point4d(double[] p)` Constructs and initializes a Point4d from the coordinates contained in the array.
`Point4d(double x, double y, double z, double w)` Constructs and initializes a Point4d from the specified xyzw coordinates.
`Point4d(Point4d p1)` Constructs and initializes a Point4d from the specified Point4d.
`Point4d(Point4f p1)` Constructs and initializes a Point4d from the specified Point4f.
`Point4d(Tuple3d t1)` Constructs and initializes a Point4d from the specified Tuple3d.
`Point4d(Tuple4d t1)` Constructs and initializes a Point4d from the specified Tuple4d.
`Point4d(Tuple4f t1)` Constructs and initializes a Point4d from the specified Tuple4f.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`double`	`distance(Point4d p1)` Returns the distance between this point and point p1.
`double`	`distanceL1(Point4d p1)` Computes the L-1 (Manhattan) distance between this point and point p1.
`double`	`distanceLinf(Point4d p1)` Computes the L-infinite distance between this point and point p1.
`double`	`distanceSquared(Point4d 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, places the projected values into this point, and places a 1 as the w parameter of this point.
`void`	`set(Tuple3d t1)` Sets the x,y,z components of this point to the corresponding components of tuple t1.

Methods inherited from class org.scijava.vecmath.Tuple4d
absolute, absolute, add, add, clamp, clamp, clamp, clamp, clampMax, clampMax, clampMax, clampMax, clampMin, clampMin, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getW, getX, getY, getZ, hashCode, interpolate, interpolate, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, scaleAdd, set, set, set, set, setW, setX, setY, setZ, sub, sub, toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - Point4d
```
public Point4d(double x,
               double y,
               double z,
               double w)
```
    Constructs and initializes a Point4d from the specified xyzw coordinates.
    
    Parameters:
    
    x - the x coordinate
    
    y - the y coordinate
    
    z - the z coordinate
    
    w - the w coordinate
  - Point4d
```
public Point4d(double[] p)
```
    Constructs and initializes a Point4d from the coordinates contained in the array.
    
    Parameters:
    
    p - the array of length 4 containing xyzw in order
  - Point4d
```
public Point4d(Point4d p1)
```
    Constructs and initializes a Point4d from the specified Point4d.
    
    Parameters:
    
    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.
    
    Parameters:
    
    p1 - the Point4f containing the initialization x y z w data
  - Point4d
```
public Point4d(Tuple4f t1)
```
    Constructs and initializes a Point4d from the specified Tuple4f.
    
    Parameters:
    
    t1 - the Tuple4f containing the initialization x y z w data
  - Point4d
```
public Point4d(Tuple4d t1)
```
    Constructs and initializes a Point4d from the specified Tuple4d.
    
    Parameters:
    
    t1 - the Tuple4d 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.
    
    Parameters:
    
    t1 - the tuple to be copied
    
    Since:
    
    vecmath 1.2
  - Point4d
```
public Point4d()
```
    Constructs and initializes a Point4d to (0,0,0,0).
- Method Detail
  - 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.
    
    Parameters:
    
    t1 - the tuple to be copied
    
    Since:
    
    vecmath 1.2
  - distanceSquared
```
public final double distanceSquared(Point4d p1)
```
    Returns the square of the distance between this point and point p1.
    
    Parameters:
    
    p1 - the first point
    
    Returns:
    
    the square of distance between this point and point p1
  - distance
```
public final double distance(Point4d p1)
```
    Returns the distance between this point and point p1.
    
    Parameters:
    
    p1 - the first point
    
    Returns:
    
    the distance between these 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).
    
    Parameters:
    
    p1 - the other point
    
    Returns:
    
    the L-1 distance
  - 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)].
    
    Parameters:
    
    p1 - the other point
    
    Returns:
    
    the L-infinite distance
  - 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.
    
    Parameters:
    
    p1 - the source Point4d, which is not modified

Class Point4d

Field Summary

Fields inherited from class org.scijava.vecmath.Tuple4d

Constructor Summary

Method Summary

Methods inherited from class org.scijava.vecmath.Tuple4d

Methods inherited from class java.lang.Object

Constructor Detail

Point4d

Point4d

Point4d

Point4d

Point4d

Point4d

Point4d

Point4d

Method Detail

set

distanceSquared

distance

distanceL1

distanceLinf

project