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数据(图层)如何分层展示?
图层显示
--> 图层使用
map.addLayer来添加图层数据在不同缩放级别的地图显示不同的图层
--> 控制layer的两个参数
maxZoom|minZoom来达到控制缩放级别的内容显示 -
定位的动画效果如何实现?
---> 内置视图跳转控件
ZoomToExtent实现跳转到某个位置 -
如何实现 不同类型的地图切换的(不同的layer?)
--->
TileLayer.setVisible(boolean)来控制不同类型的地图的显隐 -
如何实现点击地图某个位置然后出现一个点,然后地图就给出具体经纬度坐标
--->
map.on('click',(event:{coordinate})=>{})事件获取 -
如何实现航迹动画效果? 如果显示的数据类似导航效果要怎么实现 ---> 历史轨迹
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