org.scijava.vecmath

## Class Point3f

• All Implemented Interfaces:
Serializable, Cloneable

```public class Point3f
extends Tuple3f
implements Serializable```
A 3 element point that is represented by single precision floating point x,y,z coordinates.
Serialized Form

• ### Fields inherited from class org.scijava.vecmath.Tuple3f

`x, y, z`
• ### Constructor Summary

Constructors
Constructor and Description
`Point3f()`
Constructs and initializes a Point3f to (0,0,0).
`Point3f(float[] p)`
Constructs and initializes a Point3f from the array of length 3.
```Point3f(float x, float y, float z)```
Constructs and initializes a Point3f from the specified xyz coordinates.
`Point3f(Point3d p1)`
Constructs and initializes a Point3f from the specified Point3d.
`Point3f(Point3f p1)`
Constructs and initializes a Point3f from the specified Point3f.
`Point3f(Tuple3d t1)`
Constructs and initializes a Point3f from the specified Tuple3d.
`Point3f(Tuple3f t1)`
Constructs and initializes a Point3f from the specified Tuple3f.
• ### Method Summary

All Methods
Modifier and Type Method and Description
`float` `distance(Point3f p1)`
Computes the distance between this point and point p1.
`float` `distanceL1(Point3f p1)`
Computes the L-1 (Manhattan) distance between this point and point p1.
`float` `distanceLinf(Point3f p1)`
Computes the L-infinite distance between this point and point p1.
`float` `distanceSquared(Point3f 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 and places the projected values into this point.
• ### Methods inherited from class org.scijava.vecmath.Tuple3f

`absolute, absolute, add, add, clamp, clamp, clampMax, clampMax, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getX, getY, getZ, hashCode, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, set, set, set, set, setX, setY, setZ, sub, sub, toString`
• ### Methods inherited from class java.lang.Object

`finalize, getClass, notify, notifyAll, wait, wait, wait`
• ### Constructor Detail

• #### Point3f

```public Point3f(float x,
float y,
float z)```
Constructs and initializes a Point3f from the specified xyz coordinates.
Parameters:
`x` - the x coordinate
`y` - the y coordinate
`z` - the z coordinate
• #### Point3f

`public Point3f(float[] p)`
Constructs and initializes a Point3f from the array of length 3.
Parameters:
`p` - the array of length 3 containing xyz in order
• #### Point3f

`public Point3f(Point3f p1)`
Constructs and initializes a Point3f from the specified Point3f.
Parameters:
`p1` - the Point3f containing the initialization x y z data
• #### Point3f

`public Point3f(Point3d p1)`
Constructs and initializes a Point3f from the specified Point3d.
Parameters:
`p1` - the Point3d containing the initialization x y z data
• #### Point3f

`public Point3f(Tuple3f t1)`
Constructs and initializes a Point3f from the specified Tuple3f.
Parameters:
`t1` - the Tuple3f containing the initialization x y z data
• #### Point3f

`public Point3f(Tuple3d t1)`
Constructs and initializes a Point3f from the specified Tuple3d.
Parameters:
`t1` - the Tuple3d containing the initialization x y z data
• #### Point3f

`public Point3f()`
Constructs and initializes a Point3f to (0,0,0).
• ### Method Detail

• #### distanceSquared

`public final float distanceSquared(Point3f p1)`
Computes the square of the distance between this point and point p1.
Parameters:
`p1` - the other point
Returns:
the square of the distance
• #### distance

`public final float distance(Point3f p1)`
Computes the distance between this point and point p1.
Parameters:
`p1` - the other point
Returns:
the distance
• #### distanceL1

`public final float distanceL1(Point3f 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
• #### distanceLinf

`public final float distanceLinf(Point3f 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
• #### project

`public final void project(Point4f p1)`
Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.
Parameters:
`p1` - the source Point4f, which is not modified