问Leaflet ImageLayer setUrl错误处理EN原因分析：因为从数据库里读取图元，用上面这个rendershape方法添加到页面上，但是有些多段线不具备completed时，也被添加到页面上，但看不见，我估计是一些错误的数据——比如画了一半的多段线，按了取消键，这个时候数据存到数据库里了，但是completed=false。按照上述修改后，只将满足completed=true的多段线加到...
它的父类为L.Layer，从原生的leaflet api可以看到，也没有提供设置层级的方法。所以如果需要设置层级，...
fString'image'Server response content type"json"|"image". opacityNumber1Opacity of the layer. Should be a value between 0 and 1. paneStringoverlayPaneThemap paneto render on. This is the preferred technique to control draw order in Leaflet 1.x. ...
>Simple ImageMapLayer<!-- Load Esri Leaflet from CDN -->html,body,#map{padding:0;margin:0;height:100%;width:100%;font-family: Arial, Helvetica, sans-serif;font-size:14px;color:#323232;}
A lightweight set of tools for working with ArcGIS services in Leaflet. :rocket: - test proxy with ImageMapLayer · Esri/esri-leaflet@a4a3417