UnitSphereSampler (VirtualDataSet API)

java.lang.Object
- org.apache.commons.rng.sampling.UnitSphereSampler

```
public class UnitSphereSampler
extends java.lang.Object
```
Generate vectors isotropically located on the surface of a sphere.
Sampling uses:
- UniformRandomProvider.nextLong()
- UniformRandomProvider.nextDouble()
Since:

1.1

- Constructor Summary
  
  Constructors
  Constructor Description
  
  UnitSphereSampler(int dimension, UniformRandomProvider rng)
- Method Summary
  
  Modifier and Type Method Description
  
  double[] nextVector()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - UnitSphereSampler
```
public UnitSphereSampler(int dimension,
                         UniformRandomProvider rng)
```
    Parameters:
    
    dimension - Space dimension.
    
    rng - Generator for the individual components of the vectors. A shallow copy will be stored in this instance.
    
    Throws:
    
    java.lang.IllegalArgumentException - If dimension <= 0
- Method Detail
  - nextVector
```
public double[] nextVector()
```
    Returns:
    
    a random normalized Cartesian vector.