Point4f (Java 3D Javadocs 0-SNAPSHOT API)

java.lang.Object
- org.scijava.vecmath.Tuple4f
- - org.scijava.vecmath.Point4f

All Implemented Interfaces:

Serializable, Cloneable
```
public class Point4f
extends Tuple4f
implements Serializable
```
A 4 element point represented by single precision floating point x,y,z,w coordinates.

See Also:

Serialized Form

Field Summary
- Fields inherited from class org.scijava.vecmath.Tuple4f
  w, x, y, z

Constructor Summary

Constructors
Constructor and Description
`Point4f()` Constructs and initializes a Point4f to (0,0,0,0).
`Point4f(float[] p)` Constructs and initializes a Point4f from the array of length 4.
`Point4f(float x, float y, float z, float w)` Constructs and initializes a Point4f from the specified xyzw coordinates.
`Point4f(Point4d p1)` Constructs and initializes a Point4f from the specified Point4d.
`Point4f(Point4f p1)` Constructs and initializes a Point4f from the specified Point4f.
`Point4f(Tuple3f t1)` Constructs and initializes a Point4f from the specified Tuple3f.
`Point4f(Tuple4d t1)` Constructs and initializes a Point4f from the specified Tuple4d.
`Point4f(Tuple4f t1)` Constructs and initializes a Point4f from the specified Tuple4f.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`float`	`distance(Point4f p1)` Computes the distance between this point and point p1.
`float`	`distanceL1(Point4f p1)` Computes the L-1 (Manhattan) distance between this point and point p1.
`float`	`distanceLinf(Point4f p1)` Computes the L-infinite distance between this point and point p1.
`float`	`distanceSquared(Point4f 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, places the projected values into this point, and places a 1 as the w parameter of this point.
`void`	`set(Tuple3f t1)` Sets the x,y,z components of this point to the corresponding components of tuple t1.

Methods inherited from class org.scijava.vecmath.Tuple4f
absolute, absolute, add, add, clamp, clamp, clampMax, clampMax, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getW, getX, getY, getZ, hashCode, interpolate, interpolate, negate, negate, scale, scale, 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
  - Point4f
```
public Point4f(float x,
               float y,
               float z,
               float w)
```
    Constructs and initializes a Point4f from the specified xyzw coordinates.
    
    Parameters:
    
    x - the x coordinate
    
    y - the y coordinate
    
    z - the z coordinate
    
    w - the w coordinate
  - Point4f
```
public Point4f(float[] p)
```
    Constructs and initializes a Point4f from the array of length 4.
    
    Parameters:
    
    p - the array of length 4 containing xyzw in order
  - Point4f
```
public Point4f(Point4f p1)
```
    Constructs and initializes a Point4f from the specified Point4f.
    
    Parameters:
    
    p1 - the Point4f containing the initialization x y z w data
  - Point4f
```
public Point4f(Point4d p1)
```
    Constructs and initializes a Point4f from the specified Point4d.
    
    Parameters:
    
    p1 - the Point4d containing the initialization x y z w data
  - Point4f
```
public Point4f(Tuple4f t1)
```
    Constructs and initializes a Point4f from the specified Tuple4f.
    
    Parameters:
    
    t1 - the Tuple4f containing the initialization x y z w data
  - Point4f
```
public Point4f(Tuple4d t1)
```
    Constructs and initializes a Point4f from the specified Tuple4d.
    
    Parameters:
    
    t1 - the Tuple4d containing the initialization x y z w data
  - Point4f
```
public Point4f(Tuple3f t1)
```
    Constructs and initializes a Point4f from the specified Tuple3f. 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
  - Point4f
```
public Point4f()
```
    Constructs and initializes a Point4f to (0,0,0,0).
- Method Detail
  - set
```
public final void set(Tuple3f 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 float distanceSquared(Point4f 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
  - distance
```
public final float distance(Point4f p1)
```
    Computes the distance between this point and point p1.
    
    Parameters:
    
    p1 - the other point
    
    Returns:
    
    the distance between the two points
  - distanceL1
```
public final float distanceL1(Point4f 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 float distanceLinf(Point4f 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(Point4f p1)
```
    Multiplies each of the x,y,z components of the Point4f 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 Point4f, which is not modified

Class Point4f

Field Summary

Fields inherited from class org.scijava.vecmath.Tuple4f

Constructor Summary

Method Summary

Methods inherited from class org.scijava.vecmath.Tuple4f

Methods inherited from class java.lang.Object

Constructor Detail

Point4f

Point4f

Point4f

Point4f

Point4f

Point4f

Point4f

Point4f

Method Detail

set

distanceSquared

distance

distanceL1

distanceLinf

project