• 39 路径分析小练习


    所用软件:Enterprise 10.7.0 ArcMap10.7.0 JS API:4.12
    发布过程及数据https://enterprise.arcgis.com/zh-cn/server/latest/publish-services/windows/tutorial-publishing-a-network-analysis-service.htm
    效果

    代码

    <!DOCTYPE html>
    <html>
    
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
        <title>RouteTask - 4.12</title>
        <style>
            html,
            body,
            #viewDiv {
                padding: 0;
                margin: 0;
                height: 100%;
                 100%;
            }
    
            #paneDiv {
                position: absolute;
                top: 10px;
                left: 62px;
                padding: 0 12px 0 12px;
                background-color: rgba(0, 0, 0, 0.5);
                color: white;
            }
        </style>
    
        <link rel="stylesheet" href="https://js.arcgis.com/4.12/esri/themes/light/main.css" />
        <script src="https://js.arcgis.com/4.12/"></script>
    
        <script>
            require([
                "esri/Map",
                "esri/views/MapView",
                "esri/Graphic",
                "esri/layers/GraphicsLayer",
                "esri/tasks/RouteTask",
                "esri/tasks/support/RouteParameters",
                "esri/tasks/support/FeatureSet",
                "esri/layers/MapImageLayer",
                "esri/tasks/support/Query",
                "esri/tasks/QueryTask",
                "dojo/dom",
                "dojo/on",
                "dojo/domReady!"
            ], function (
                Map, MapView,
                Graphic, GraphicsLayer,
                RouteTask, RouteParameters,
                FeatureSet, MapImageLayer,
                Query, QueryTask, dom, on
            ) {
    
                    var routeTask = new RouteTask({
                        url:
                            "https://linux111.esrichina.com:6443/arcgis/rest/services/aoj/NAserverDemo/NAServer/Route"
                    });
                    var mapLayer = new MapImageLayer("https://linux111.esrichina.com:6443/arcgis/rest/services/aoj/NAmap/MapServer");
                    var routeLayer = new GraphicsLayer();
                    var queryLayer = "https://linux111.esrichina.com:6443/arcgis/rest/services/aoj/NAmap/MapServer/0"
                    var routeParams = new RouteParameters({
                        stops: new FeatureSet(),
                        outSpatialReference: {
                            wkid: 3857
                        }
                    });
    
                    var stopSymbol = {
                        type: "simple-marker",
                        style: "cross",
                        size: 15,
                        outline: {
                             4
                        }
                    };
    
                    var routeSymbol = {
                        type: "simple-line",
                        color: [0, 0, 255, 0.5],
                         5
                    };
    
                    var map = new Map({
                        basemap: "osm",
                        layers: [routeLayer]
                    });
                    map.add(mapLayer);
                    var view = new MapView({
                        container: "viewDiv",
                        map: map,
                        center: [-122.416, 37.802],
                        zoom: 15
    
                    });
                    view.on("click", addStop);
                    on(dom.byId("queryBth"), "click", queryPoint);
                    function queryPoint() {
                        var queryTask = new QueryTask({
                            url: queryLayer
                        });
                        var query = new Query();
                        query.returnGeometry = true;
                        query.outFields = ["*"];
                        query.where = 'OBJECTID="12220"';
                        var query2 = new Query();
                        query2.returnGeometry = true;
                        query2.outFields = ["*"];
                        query2.where = 'OBJECTID="11451"';
                        queryTask.execute(query).then(function (results) {
                            queryTask.execute(query2).then(function (results2) {
                                var gra = results.features[0];
                                gra.symbol = stopSymbol;
                                routeLayer.add(gra);
                                routeParams.stops.features.push(gra);
                                var gra = results2.features[0];
                                gra.symbol = stopSymbol;
                                routeLayer.add(gra);
                                routeParams.stops.features.push(gra);
                                if (routeParams.stops.features.length >= 2) {
                                    routeTask.solve(routeParams).then(showRoute);
                                }
                            });
    
                        });
                    }
                    function addStop(event) {
                        var stop = new Graphic({
                            geometry: event.mapPoint,
                            symbol: stopSymbol
                        });
                        routeLayer.add(stop);
                        routeParams.stops.features.push(stop);
                        if (routeParams.stops.features.length >= 2) {
                            routeTask.solve(routeParams).then(showRoute);
                        }
                    }
                    function showRoute(data) {
                        var routeResult = data.routeResults[0].route;
                        routeResult.symbol = routeSymbol;
                        routeLayer.add(routeResult);
                    }
                });
        </script>
    </head>
    
    <body>
        <div id="viewDiv"></div>
        <div id="paneDiv" class="esri-widget">
            <div>
                <div>
                    <input type="button" id="queryBth" value="queryPoint" />
                </div>
                <p>
                    Click on the map to add stops to the route. The route from the last
                    stop to the newly added stop is calculated. If a stop is not
                    reachable, it is removed and the last valid point is set as the
                    starting point.
                </p>
            </div>
        </div>
    </body>
    
    </html>
    

      

  • 相关阅读:
    CDQZ Day5
    CDQZ Day4
    CDQZ Day3
    POJ 2226 Muddy Fields
    【其他】【生成图片】【1】通过phantomjs 进行页面截图
    【Redis】【1】一些报错处理
    【Java】【15】判断url对应的图片是否存在
    【HTML&CSS】【3】点击直接发送邮件
    【微信公众号开发】【16】遇到的问题
    【Oracle】【9】取前N条记录——rownum和row_number() over()的使用
  • 原文地址:https://www.cnblogs.com/gistrd/p/11153150.html
Copyright © 2020-2023  润新知