这个DEMO是基于supermap object java平台做的一个例子,功能主要是对铁路火车所走的路线的轨迹回放功能，以便各位参考-This DEMO is based on the supermap object java platform to do an example, the main function is to train by the railway track to go the route playback, so that reference

示范在SuperMap Objects 是用来跟踪显示目标的一个属性，从下拉列表选择图层,然后通过鼠标的移动可以随时改变跟踪的对象。-Demonstration in SuperMap Objects is used to track the target is an attribute, select the layer from the drop-down list, and then move the mouse to track the object can be changed at