Quaternion (OpenChemLib 2020.3.1-SNAPSHOT API)

java.lang.Object
- com.actelion.research.chem.phesa.Quaternion

```
public class Quaternion
extends java.lang.Object
```
Author:

J.Wahl, February 2018 Describes rotation using quaternion formulation

Constructor Summary

Constructors
Constructor Description

Quaternion(double q0, double q1, double q2, double q3)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`getQ0()`
`double`	`getQ1()`
`double`	`getQ2()`
`double`	`getQ3()`
`Matrix`	`getRotMatrix()`	convert Quaternion to a rotation matrix
`double`	`normSquared()`
`void`	`setQ0(double q0)`
`void`	`setQ1(double q1)`
`void`	`setQ2(double q2)`
`void`	`setQ3(double q3)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Quaternion

public Quaternion(double q0,
                  double q1,
                  double q2,
                  double q3)

Method Detail

setQ0
```
public void setQ0(double q0)
```

setQ1
```
public void setQ1(double q1)
```

setQ2
```
public void setQ2(double q2)
```

setQ3
```
public void setQ3(double q3)
```

getQ0
```
public double getQ0()
```

getQ1
```
public double getQ1()
```

getQ2
```
public double getQ2()
```

getQ3
```
public double getQ3()
```

normSquared
```
public double normSquared()
```

getRotMatrix
```
public Matrix getRotMatrix()
```
convert Quaternion to a rotation matrix

Returns: