圆形类.
| SuperMap. | 圆形类. | 
| Constructor | |
| SuperMap. | 圆形 | 
| Functions | |
| destroy | 销毁该类,释放相关资源 | 
圆形
       var circle = new SuperMap.Style.Circle(
      6,
     new SuperMap.Style.Fill({
         color: "rgba(238, 153, 0, 0.4)"
     }),
     new SuperMap.Style.Stroke({
         color: "#ff0000",
         width: 1
     })
 );
 var graphic = new SuperMap.Graphic(new SuperMap.Geometry.Point(0,0));
 graphic.style = { image: circle}
      
      | opt_options | {Object} Object.radius 半径 Object.fill 图形填充样式 Object.stroke 图形边框样式 | 
销毁该类,释放相关资源
destroy: function()