code: function Node(obj, dimension, parent) {
                  this.obj = obj;
                  this.left = null;
                  this.right = null;
                  this.parent = parent;
                  this.dimension = dimension;
              }
docs: /*
  Original code from:
  
  k-d Tree JavaScript - V 1.01
  
  https://github.com/ubilabs/kd-tree-javascript
  
  @author Mircea Pricop <pricop@ubilabs.net>, 2012
  @author Martin Kleppe <kleppe@ubilabs.net>, 2012
  @author Ubilabs http://ubilabs.net, 2012
  @license MIT License <http://www.opensource.org/licenses/mit-license.php>