text: /**
   * @overview the column3d componment
   * @component#@chart#iChart.Column3D
   * @extend#iChart.Column2D
   */
  iChart.Column3D = iChart.extend(iChart.Column2D, {
  	/**
  	 * initialize the context for the Column3D
  	 */
  	configure : function() {
  		/**
  		 * invoked the super class's configuration
  		 */
  		iChart.Column3D.superclass.configure.call(this);
  
  		this.type = 'column3d';
  		this.dimension = iChart._3D;
  
  		this.set({
  			/**
  			 * @cfg {<link>iChart.Coordinate3D</link>} the option for coordinate.
  			 */
  			coordinate : {},
  			/**
  			 * @cfg {Number(0~90)} Three-dimensional rotation X in degree(angle).(default to 60)
  			 */
  			xAngle : 60,
  			/**
  			 * @cfg {Number(0~90)} Three-dimensional rotation Y in degree(angle).(default to 20)
  			 */
  			yAngle : 20,
  			/**
  			 * @cfg {Number} Three-dimensional z-axis deep factor.frame of reference is width.(default to 1)
  			 */
  			zScale : 1,
  			/**
  			 * @cfg {Number(1~)} Three-dimensional z-axis deep factor of pedestal.frame of reference is width.(default to 1.4)
  			 */
  			bottom_scale : 1.4
  		});
  	},
  	doConfig : function() {
  		iChart.Column3D.superclass.doConfig.call(this);
  	}
  });
  iChart.register('Column3D');
  /**
   *@end 
   */
  