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非常简洁明了:我只是想获得一个功能层在ArcGIS JS中将要素图层转换为多边形数组?
var floodLayer = new FeatureLayer("URL");
并将其转换为类似多边形阵列:
var polygons = [];
for (var i = 0; i < floodLayer.graphics.length; i++) {
var polygons[i] = new Polygon({ "rings": floodLayer.graphics[i].rings, "spatialReference": floodLayer.graphics[i].spatialReference });
}
然而,功能层不会出现有适当的属性来创建多边形。除非我错过了什么?
啊我明白了。谢谢加文! – TacoB0t