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非常簡潔明瞭:我只是想獲得一個功能層在ArcGIS JS中將要素圖層轉換爲多邊形數組?
var floodLayer = new FeatureLayer("URL");
並將其轉換爲類似多邊形陣列:
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,功能層不會出現有適當的屬性來創建多邊形。除非我錯過了什麼?
啊我明白了。謝謝加文! – TacoB0t