## javax.vecmath Class Point3d

```java.lang.Object javax.vecmath.Tuple3d javax.vecmath.Point3d
```
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable

`public class Point3dextends Tuple3dimplements java.io.Serializable`

A 3 element point that is represented by double precision floating point x,y,z coordinates.

Serialized Form

Field Summary

Fields inherited from class javax.vecmath.Tuple3d
`x, y, z`

Constructor Summary
`Point3d()`
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.
`Point3d(Point3d p1)`
Constructs and initializes a Point3d from the specified Point3d.
`Point3d(Point3f p1)`
Constructs and initializes a Point3d from the specified Point3f.
`Point3d(Tuple3d t1)`
Constructs and initializes a Point3d from the specified Tuple3d.
`Point3d(Tuple3f t1)`
Constructs and initializes a Point3d from the specified Tuple3f.

Method Summary
` double` `distance(Point3d p1)`
Returns the distance between this point and point p1.
` double` `distanceL1(Point3d p1)`
Computes the L-1 (Manhattan) distance between this point and point p1.
` double` `distanceLinf(Point3d p1)`
Computes the L-infinite distance between this point and point p1.
` double` `distanceSquared(Point3d 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 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`

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

Constructor Detail

### Point3d

```public Point3d(double x,
double y,
double z)```
Constructs and initializes a Point3d from the specified xyz coordinates.

Parameters:
`x` - the x coordinate
`y` - the y coordinate
`z` - the z coordinate

### 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

### Point3d

`public Point3d(Point3d p1)`
Constructs and initializes a Point3d from the specified Point3d.

Parameters:
`p1` - the Point3d containing the initialization x y z data

### Point3d

`public Point3d(Point3f p1)`
Constructs and initializes a Point3d from the specified Point3f.

Parameters:
`p1` - the Point3f containing the initialization x y z data

### Point3d

`public Point3d(Tuple3f t1)`
Constructs and initializes a Point3d from the specified Tuple3f.

Parameters:
`t1` - the Tuple3f containing the initialization x y z data

### Point3d

`public Point3d(Tuple3d t1)`
Constructs and initializes a Point3d from the specified Tuple3d.

Parameters:
`t1` - the Tuple3d containing the initialization x y z data

### Point3d

`public Point3d()`
Constructs and initializes a Point3d to (0,0,0).

Method Detail

### distanceSquared

`public final double distanceSquared(Point3d p1)`
Returns 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 double distance(Point3d p1)`
Returns the distance between this point and point p1.

Parameters:
`p1` - the other point
Returns:
the distance

### distanceL1

`public final double distanceL1(Point3d 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 double distanceLinf(Point3d 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(Point4d p1)`
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