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## org.apache.commons.math.geometry
Class RotationOrder

    java.lang.Object
      org.apache.commons.math.geometry.RotationOrder

    public final class RotationOrder

extends Object

This class is a utility representing a rotation order specification for Cardan or Euler angles specification. This class cannot be instanciated by the user. He can only use one of the twelve predefined supported orders as an argument to either the `Rotation.Rotation(RotationOrder,double,double,double)` constructor or the `Rotation.getAngles(org.apache.commons.math.geometry.RotationOrder)` method.

Since:
  1.2
Version:
  $Revision: 811827 $ $Date: 2009-09-06 17:32:50 +0200 (dim. 06 sept. 2009) $

Field Summary
`static RotationOrder` | `XYX` Set of Euler angles.
`static RotationOrder` | `XYZ` Set of Cardan angles.
`static RotationOrder` | `XZX` Set of Euler angles.
`static RotationOrder` | `XZY` Set of Cardan angles.
`static RotationOrder` | `YXY` Set of Euler angles.
`static RotationOrder` | `YXZ` Set of Cardan angles.
`static RotationOrder` | `YZX` Set of Cardan angles.
`static RotationOrder` | `YZY` Set of Euler angles.
`static RotationOrder` | `ZXY` Set of Cardan angles.
`static RotationOrder` | `ZXZ` Set of Euler angles.
`static RotationOrder` | `ZYX` Set of Cardan angles.
`static RotationOrder` | `ZYZ` Set of Euler angles.

Method Summary
`Vector3D` | `getA1()` Get the axis of the first rotation.
`Vector3D` | `getA2()` Get the axis of the second rotation.
`Vector3D` | `getA3()` Get the axis of the second rotation.
`String` | `toString()` Get a string representation of the instance.

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

Field Detail

### XYZ

    public static final RotationOrder XYZ

  Set of Cardan angles. this ordered set of rotations is around X, then around Y, then around Z

### XZY

    public static final RotationOrder XZY

  Set of Cardan angles. this ordered set of rotations is around X, then around Z, then around Y

### YXZ

    public static final RotationOrder YXZ

  Set of Cardan angles. this ordered set of rotations is around Y, then around X, then around Z

### YZX

    public static final RotationOrder YZX

  Set of Cardan angles. this ordered set of rotations is around Y, then around Z, then around X

### ZXY

    public static final RotationOrder ZXY

  Set of Cardan angles. this ordered set of rotations is around Z, then around X, then around Y

### ZYX

    public static final RotationOrder ZYX

  Set of Cardan angles. this ordered set of rotations is around Z, then around Y, then around X

### XYX

    public static final RotationOrder XYX

  Set of Euler angles. this ordered set of rotations is around X, then around Y, then around X

### XZX

    public static final RotationOrder XZX

  Set of Euler angles. this ordered set of rotations is around X, then around Z, then around X

### YXY

    public static final RotationOrder YXY

  Set of Euler angles. this ordered set of rotations is around Y, then around X, then around Y

### YZY

    public static final RotationOrder YZY

  Set of Euler angles. this ordered set of rotations is around Y, then around Z, then around Y

### ZXZ

    public static final RotationOrder ZXZ

  Set of Euler angles. this ordered set of rotations is around Z, then around X, then around Z

### ZYZ

    public static final RotationOrder ZYZ

  Set of Euler angles. this ordered set of rotations is around Z, then around Y, then around Z

Method Detail

### toString

    public String toString()

  Get a string representation of the instance.

  Overrides:
    `toString` in class `Object`
  Returns:
    a string representation of the instance (in fact, its name)

### getA1

    public Vector3D getA1()

  Get the axis of the first rotation.

  Returns:
    axis of the first rotation

### getA2

    public Vector3D getA2()

  Get the axis of the second rotation.

  Returns:
    axis of the second rotation

### getA3

    public Vector3D getA3()

  Get the axis of the second rotation.

  Returns:
    axis of the second rotation

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