LICENSE

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 *              THE xxxxxxx      xxxxxxx TOOLKIT
 *                    
 *                  http://www.goXTK.com
 *                   
 * Copyright (c) 2012 The X Toolkit Developers <dev@goXTK.com>
 *                   
 *    The X Toolkit (XTK) is licensed under the MIT License:
 *      http://www.opensource.org/licenses/mit-license.php
 *
 *     Permission is hereby granted, free of charge, to any person obtaining 
 *     a copy of this software and associated documentation files (the "Software"),
 *     to deal in the Software without restriction, including without limitation
 *     the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *     and/or sell copies of the Software, and to permit persons to whom the 
 *     Software is furnished to do so, subject to the following conditions:
 *     
 *     The above copyright notice and this permission notice shall be included in
 *     all copies or substantial portions of the Software.
 *     
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *     OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 *     CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *
 * 
 *      "Free software" is a matter of liberty, not price.
 *      "Free" as in "free speech", not as in "free beer".
 *                                         - Richard M. Stallman
 * 
 * 
 * CREDITS
 *
 *   - the wonderful Constructive Solid Geometry library was created by Evan Wallace (http://madebyevan.com)
 *     (see lib/csg/LICENSE)
 *
 *   - the idea for the X.indexer class was borrowed from lightGL, also by Evan Wallace (https://github.com/evanw/lightgl.js/)
 *
 *   - the X.parserTRK and the X.parserFSM are based on versions of Dan Ginsburg (http://www.upsamplesoftware.com/)
 *
 *   - the VTK Fileformat and VTK are developed by Kitware Inc. (http://www.kitware.com)
 *
 *   - the insides of the X.parserNRRD are based on work from Michael Lauer (http://www.mrlauer.org)
 *
 *   - we use Michael Lauer's volume rendering concept and re-implemented it (http://babybrain.mrlauer.org)
 *
 *   - zlib.js, the ultimate gzip/zlib javascript implementation (https://github.com/imaya/zlib.js)
 *     LICENSE: https://raw.github.com/imaya/zlib.js/master/LICENSE
 *
 *   - special shoutouts to the following WebGL gurus:
 *        - mr.doob and the THREE.js crew (https://github.com/mrdoob/three.js/)
 *        - Lindsay Kay with Scene.js
 *        - Giles' WebGL Lessons (http://learningwebgl.com/blog/): awesome stuff dude!
 *
 *   - the Closure Library by Google is the base of XTK (http://code.google.com/p/closure-library/)
 * 
 *   THANK YOU ALL!
 *
 *      :D :D :D
 */