home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Java example source code file (RotationOrder.java)

This example Java source code file (RotationOrder.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

rotationorder, string, vector3d, xyx, xyz, xzx, xzy, yxy, yxz, yzx, yzy, zxy, zxz, zyz

The RotationOrder.java Java example source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.math3.geometry.euclidean.threed;

/**
 * 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 {@link Rotation#Rotation(RotationOrder,double,double,double)}
 * constructor or the {@link Rotation#getAngles} method.
 *
 * @since 1.2
 */
public final class RotationOrder {

    /** Set of Cardan angles.
     * this ordered set of rotations is around X, then around Y, then
     * around Z
     */
    public static final RotationOrder XYZ =
      new RotationOrder("XYZ", Vector3D.PLUS_I, Vector3D.PLUS_J, Vector3D.PLUS_K);

    /** Set of Cardan angles.
     * this ordered set of rotations is around X, then around Z, then
     * around Y
     */
    public static final RotationOrder XZY =
      new RotationOrder("XZY", Vector3D.PLUS_I, Vector3D.PLUS_K, Vector3D.PLUS_J);

    /** Set of Cardan angles.
     * this ordered set of rotations is around Y, then around X, then
     * around Z
     */
    public static final RotationOrder YXZ =
      new RotationOrder("YXZ", Vector3D.PLUS_J, Vector3D.PLUS_I, Vector3D.PLUS_K);

    /** Set of Cardan angles.
     * this ordered set of rotations is around Y, then around Z, then
     * around X
     */
    public static final RotationOrder YZX =
      new RotationOrder("YZX", Vector3D.PLUS_J, Vector3D.PLUS_K, Vector3D.PLUS_I);

    /** Set of Cardan angles.
     * this ordered set of rotations is around Z, then around X, then
     * around Y
     */
    public static final RotationOrder ZXY =
      new RotationOrder("ZXY", Vector3D.PLUS_K, Vector3D.PLUS_I, Vector3D.PLUS_J);

    /** Set of Cardan angles.
     * this ordered set of rotations is around Z, then around Y, then
     * around X
     */
    public static final RotationOrder ZYX =
      new RotationOrder("ZYX", Vector3D.PLUS_K, Vector3D.PLUS_J, Vector3D.PLUS_I);

    /** Set of Euler angles.
     * this ordered set of rotations is around X, then around Y, then
     * around X
     */
    public static final RotationOrder XYX =
      new RotationOrder("XYX", Vector3D.PLUS_I, Vector3D.PLUS_J, Vector3D.PLUS_I);

    /** Set of Euler angles.
     * this ordered set of rotations is around X, then around Z, then
     * around X
     */
    public static final RotationOrder XZX =
      new RotationOrder("XZX", Vector3D.PLUS_I, Vector3D.PLUS_K, Vector3D.PLUS_I);

    /** Set of Euler angles.
     * this ordered set of rotations is around Y, then around X, then
     * around Y
     */
    public static final RotationOrder YXY =
      new RotationOrder("YXY", Vector3D.PLUS_J, Vector3D.PLUS_I, Vector3D.PLUS_J);

    /** Set of Euler angles.
     * this ordered set of rotations is around Y, then around Z, then
     * around Y
     */
    public static final RotationOrder YZY =
      new RotationOrder("YZY", Vector3D.PLUS_J, Vector3D.PLUS_K, Vector3D.PLUS_J);

    /** Set of Euler angles.
     * this ordered set of rotations is around Z, then around X, then
     * around Z
     */
    public static final RotationOrder ZXZ =
      new RotationOrder("ZXZ", Vector3D.PLUS_K, Vector3D.PLUS_I, Vector3D.PLUS_K);

    /** Set of Euler angles.
     * this ordered set of rotations is around Z, then around Y, then
     * around Z
     */
    public static final RotationOrder ZYZ =
      new RotationOrder("ZYZ", Vector3D.PLUS_K, Vector3D.PLUS_J, Vector3D.PLUS_K);

    /** Name of the rotations order. */
    private final String name;

    /** Axis of the first rotation. */
    private final Vector3D a1;

    /** Axis of the second rotation. */
    private final Vector3D a2;

    /** Axis of the third rotation. */
    private final Vector3D a3;

    /** Private constructor.
     * This is a utility class that cannot be instantiated by the user,
     * so its only constructor is private.
     * @param name name of the rotation order
     * @param a1 axis of the first rotation
     * @param a2 axis of the second rotation
     * @param a3 axis of the third rotation
     */
    private RotationOrder(final String name,
                          final Vector3D a1, final Vector3D a2, final Vector3D a3) {
        this.name = name;
        this.a1   = a1;
        this.a2   = a2;
        this.a3   = a3;
    }

    /** Get a string representation of the instance.
     * @return a string representation of the instance (in fact, its name)
     */
    @Override
    public String toString() {
        return name;
    }

    /** Get the axis of the first rotation.
     * @return axis of the first rotation
     */
    public Vector3D getA1() {
        return a1;
    }

    /** Get the axis of the second rotation.
     * @return axis of the second rotation
     */
    public Vector3D getA2() {
        return a2;
    }

    /** Get the axis of the second rotation.
     * @return axis of the second rotation
     */
    public Vector3D getA3() {
        return a3;
    }

}

Other Java examples (source code examples)

Here is a short list of links related to this Java RotationOrder.java source code file:



my book on functional programming

 

new blog posts

 

Copyright 1998-2019 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.