疊加分析geometryEngine.contains：

//建立FeatureLayer要素圖層
			var targetLayer = mapManager.createFeatureLayer($("#targetLayer").combobox("getValue"));
			var targetFeatures = null;
			//儲存餅狀圖展示資料
			var overlayArray = [];
			//儲存各個型別名稱和數量
			var dataName = [];
			//儲存各個型別下的資料
	    	var arrayAll = new Array();
			//查詢要素圖層得到所有要素集
			targetLayer.queryFeatures().then(function(results){
				targetFeatures = results.features;
				global.currentQueryUrl = $("#joinLayer").combobox("getValue");
				//建立FeatureLayer要素圖層
            	var joinLayer = mapManager.createFeatureLayer(global.currentQueryUrl);
            	//查詢要素圖層得到所有要素集
            	joinLayer.queryFeatures().then(function(results){
            		featureArray = results.features;
            		for(var i=0; i<targetFeatures.length; i++){
            			var count = 0;
            			var array = new Array();
            			for(var j=0; j<featureArray.length; j++){
            				//迴圈判斷2個圖形是否重疊，如果重疊則記錄在數值裡
            				if(geometryEngine.contains(targetFeatures[i].geometry,featureArray[j].geometry)){
            					count++;
            					featureArray[j].attributes.id = featureArray[j].attributes.ID;
            					array.push(featureArray[j].attributes);
            				}
            			}
            			arrayAll.push(array);
            			overlayArray.push({"name":targetFeatures[i].attributes.NAME+"："+count,"value":count});
            			dataName.push({"name":targetFeatures[i].attributes.NAME,"count":count});
            		}
            		$("#contentBox").html("<hr><div id=\"overlayPie\" style=\"width:360px;height:300px;\" align=\"center\"></div><div id=\"overlayResultDg\" data-options=\"width:360,striped:true\"></div>");
            		overlayAnalysis.pieResult(overlayArray);
            		overlayAnalysis.overlayDg(dataName,arrayAll);
            	});
			});