code: function (options, base1, base2, base3) {
  		var conversion = this.pointAttrToOptions,
  			attr,
  			option,
  			obj = {};
  
  		options = options || {};
  		base1 = base1 || {};
  		base2 = base2 || {};
  		base3 = base3 || {};
  
  		for (attr in conversion) {
  			option = conversion[attr];
  			obj[attr] = pick(options[option], base1[attr], base2[attr], base3[attr]);
  		}
  		return obj;
  	}
docs: Convert state properties from API naming conventions to SVG attributes
  
  @param {Object} options API options object
  @param {Object} base1 SVG attribute object to inherit from
  @param {Object} base2 Second level SVG attribute object to inherit from