Python ArcGIS MapView.layers用法及代码示例

本文简要介绍 python 语言中 arcgis.widgets.MapView.layers 的用法。

用法:

property layers

layers 属性是使用 add_layers 方法添加到Map小部件的图层的 JSON 表示的列表。

例子：

#Usage Example in 2D mode

>>> from arcgis.gis import GIS, Item
>>> from arcgis.widgets import MapView
>>> gis = GIS("pro")
>>> itms = gis.content.search("owner:"+ gis.users.me.username)
>>> single_item =itms[1]
>>> new_layer= FeatureLayer.fromitem(item = single_item)
>>> map1 = gis.map("United States")
>>> map1.add_layer(new_layer)
>>> map1.layers
[<FeatureLayer url:"https://services7.arcgis.com/JEwYeAy2cc8qOe3o/arcgis/rest/services/Power_Plants_Itm/FeatureServer/0">]