//方法封裝
function routeplan(x1, x2, y1, y2, barrierPathArray, isDraw, callback) {
require([
"esri/symbol/SimpleLineSymbol",
"esri/Color",
"esri/tasks/RouteTask",
"esri/tasks/FreatureSet",
"esri/tasks/RouteParameters"
], function () {
var routeServerUrl = url;//對應道路圖層的服務圖層
var routeGraphicLayer = new GraphicLayer(map, layerName);
routeGraphicLayer.clear();//每規劃一次刪除對應圖層
var map = map;
var wkid = 5555;
//起點
var ptStart = new esri.geometry.Point(parseFloat(x1), parseFloat(y1), new esri.SpatialReference({ wkid: wkid }));
//終點
var ptEnd = new esri.geometry.Point(parseFloat(x2), parseFloat(y2), new esri.SpatialReference({ wkid: wkid }));
var startPtGra = new esri.Graphic(ptStart);
var endPtGra = new esri.Graphic(ptEnd);
//設置路徑樣式
var routeSymbol = new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([1, 2, 3, 1], 5));//說明：rgb透明度，線寬
//起點、終點尾部樣式
var routeSymbolDef = new esri.symbol.SimpleLineSymbol(new esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([2, 3, 4, 5], 2));
var routeTask = new esri.tasks.RouteTask(routeServerUrl);
var routeParams = new esri.tasks.routeParameters();
//設置參數
routeParams.outSpatialReference = { wkid: wkid };
routeParams.retuenDirection = true;
routeParams.directionsLengthUnits = esri.Units.METERS;
routeParams.stops = new esri.tasks.FeatureSet();
routeParams.stops.features.push(startPtGra);
routeParams.stops.features.push(endPtGra)
route = JSON.stringify(barrierPathArray);
var temp = jQuery.parseJSON(route);
var array = [];
$.each(temp, function (i, v) {
var point = [v[0], item[1]];
array.push(point);
});
//設置路障參數
if (array.length > 0) {
var barrierRoute = new esri.geometry.Polyline(new esri.SpatialReference({ wkid: wkid }));
var barriersGraphic = new esri.Graphic(barrierRoute);
routeParams.PolylineBarriers = new esri.tasks.FeatureSet();
routeParams.PolylineBarriers.features.push(barriersGraphic);
}
if (routeParams.stops.features.length == 0) {
alert("參數不全，無法分析");
return;
}
routeTask.solve(routeParams,function(solveResult){
if(callback){
callback(solveResult);
}
var routeResults=solveResult.routeResults;
var res=routeResults.length;
if9(isDraw=="false"){
return;
}
if(res>0){
for(var i=0;i<res;i++){
var graphicroute=routeResults[i];
var graphic=graphicroute.route;
graphic.setSymbol(routeSymbol);
routeGraphicLayer.add(graphic);
//連接路線起點、終點、對應的定位起點、終點
var paths=graphic.geometry.paths[0];
var routeStr=paths[0];
var routeEnd=paths[paths.length-1];
var routeStrline=new esri.geometry.Polyline([[x1,y1],routeStr],new esri.SpatialReference({wkid:wkid}));
var routeEndline=new esri.geometry.Polyline([[x2,y2],routeEnd],new esri.SpatialReference({wkid:wkid}));
var strlinegraphic=new esri.Graphic(routeStrline,routeSymbolDef);
var endlinegraphic=new esri.Graphic(routeEndline,routeSymbolDef);
routeGraphicLayer.add(strlinegraphic);
routeGraphicLayer.add(endlinegraphic);
}
}
else{
alert("結果為空");
}
},function(errpr){
alert(errpr);
});
}

? ? 本文選自蘇州樓鳳

轉載于:https://www.cnblogs.com/zhuwoyao88/p/6575292.html

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