code: function(){
      var _self = this;
      Group.superclass.renderUI.call(_self);
      //_self._renderTracer();
  
      _self._renderSeries();
  
      _self._renderAxis();
      _self._addSeriesAxis();
  
      _self._paintAxis(_self.get('xAxis'),'xAxis');
      _self._paintAxis(_self.get('yAxis'),'yAxis');
      _self._paintSeries();
  
      _self.renderLegend();
      _self._renderTooltip();
    }
docs: 渲染控件