我有一个基础地图图层,添加了地图的要素图层。路线表由FeatureTable
生成,每当在表格或地图上点击路线时,路线的颜色将从绿色变为红色。我的问题是,如果我放大或缩小地图,路线会变回绿色,并显示红色轮廓。如果我点击路线,它会变回红色,但我需要它保持红色。下面显示了我的代码。任何帮助,将不胜感激。当地图被缩放时,选择符号消失
var map, stateBaseMap, geometryLayer, routeFeature, routeDataFeature, myFeatureTable,
stateBaseMapUrl, geometryLayerUrl, routeFeatureUrl, routeDataFeatureUrl, routeChange;
require([ "esri/map",
"esri/layers/ArcGISDynamicMapServiceLayer",
"esri/layers/ArcGISTiledMapServiceLayer",
"esri/tasks/GeometryService",
"esri/layers/FeatureLayer",
"esri/dijit/FeatureTable",
"esri/symbols/SimpleLineSymbol",
"esri/Color",
"dijit/layout/ContentPane",
"dijit/layout/BorderContainer",
"esri/geometry/Extent",
"esri/graphicsUtils",
"esri/tasks/query",
"dojo/dom",
"dojo/parser",
"dojo/ready",
"dojo/on"],
function(Map,
ArcGISDynamicMapServiceLayer,
ArcGISTiledMapServiceLayer,
GeometryService,
FeatureLayer,
FeatureTable,
SimpleLineSymbol,
Color,
ContentPane,
BorderContainer,
Extent,
graphicsUtils,
Query,
dom,
parser,
ready,
on) {
parser.parse();
ready(function(){
esri.config.defaults.io.proxyUrl = "/llr/llrproxy";
esri.config.defaults.io.alwaysUseProxy = false;
esri.config.defaults.io.corsDetection = false;
stateBaseMapUrl = document.getElementById("shipment_stateBaseMapServiceURL").value;
geometryLayerUrl = document.getElementById("shipment_geometryServiceURL").value;
routeFeatureUrl = document.getElementById("shipment_routeLayerURL").value;
map = new Map("map");
stateBaseMap = new ArcGISTiledMapServiceLayer(stateBaseMapUrl);
map.addLayer(stateBaseMap);
geometryLayer = new GeometryService(geometryLayerUrl);
map.addLayer(geometryLayer);
routeFeature = new FeatureLayer(routeFeatureUrl, {
mode : FeatureLayer.MODE_ONDEMAND,
outFields : [ "*" ],
visible:true,
id : "routeFeature"
});
var selectionSymbol = new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new Color([255,0,0]),6);
routeFeature.setSelectionSymbol(selectionSymbol);
map.addLayer(routeFeature);
on(routeFeature, "load", function(){
loadTable();
});
function loadTable(){
myFeatureTable = new FeatureTable({
featureLayer : routeFeature,
map : map,
editable: false,
showGridMenu:false,
gridOptions: {
selectionMode: "single"
},
editable: true,
fieldInfos: [
{
name: 'ROUTE_ID',
visible: false
},
{
name: 'ORIGIN',
alias: 'Entry State'
},
{
name: 'ROUTE_DESC',
alias: 'Route Description'
},
{
name: 'DESTNATION',
alias: 'Exit State'
}
],
menuFunctions: [
{ label: "Enter a new route.", callback: enterNewRoute }
]
}, 'myTableNode');
myFeatureTable.startup();
}
});
});
您的示例向我显示了问题,但我不知道如何解决该问题。选择符号首先被加载,其余的地图图层被加载在它们之上。这就是我的地图上发生的事情。红色选择符号在缩放后首先加载,然后将绿色路线加载到它们之上。你的例子也会发生同样的事情。缩小并在缩放后首先显示红色菱形,然后显示绿色数据。如果你缩小足够远的红色钻石被掩盖起来。有没有办法扭转显示顺序? – ponder275