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# 绘制点

# 使用示例

 























<script>
    var map = L.map('map', {
        crs: L.CRS.CustomEPSG4326,
        center: {lon: 121.4302, lat: 28.6024},
        zoom: 16,
        inertiaDeceleration: 15000,
        maxZoom: 20
    })
    //添加底图
    var layer = new L.GVMapGrid(window.leaflet.getDataUrl + '&x={x}&y={y}&l={z}')
    map.addLayer(layer)

    //添加注记
    var labelLayer = new L.GWVTAnno({tileSize: 512})
    var dataSource = new Custom.URLDataSource()
    dataSource.url = window.leaflet.labelUrl + '&x={x}&y={y}&l={z}'
    labelLayer.addDataSource(dataSource)
    map.addLayer(labelLayer)
    L.circle(map.getCenter(), {radius: 50, color: 'red', fillColor: 'red', fillOpacity: 1}).addTo(map) //圆形点，会随着地图放大级别放大
    //            map.on('click',function(e){
    //                L.circle(e.latlng,{radius:100,color:'red',fillColor:'red',fillOpacity:1}).addTo(map)
    //            })//动态画图
    /*  用图片代替点  */
</script>
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运行结果

查看源码 ->

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