arcgis api for javascript 添加图层时设置标注,自定义符号

Posted 涛声依旧1988

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<!DOCTYPE html>
<html>
<head>
    <meta charset="gb2312">
    <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
    <title>安监???</title>

    <link rel="stylesheet" href="js/dist/css/calcite-bootstrap.min-v0.2.css">
    <link rel="stylesheet" href="js/dist/css/calcite-maps-arcgis-4.x.min-v0.2.css">
    <link rel="stylesheet" href="js/esri/css/main.css">
    <script src="js/init.js"></script>

    <style>
        html,
        body,
        #viewDiv {
            padding: 0;
            margin: 0;
            height: 100%;
            width: 100%;
        }

        .or-wrap {
            background-color: #e0e0e0;
            height: 1px;
            margin: 2em 0;
            overflow: visible;
        }

        .or-text {
            background: #fff;
            line-height: 0;
            padding: 0 1em;
            position: relative;
            top: -.75em;
        }

        .symbol-text {
            background: #fff;
            line-height: 0;
            padding: 0 1em;
            position: relative;
            top: -.1em;
        }

    </style>

    <script>
        require([
            "esri/Map",
            "esri/views/SceneView",
            "esri/config",
            "esri/WebScene",
            "esri/layers/Layer",
            "esri/layers/FeatureLayer",
            "esri/layers/GraphicsLayer",
            "esri/layers/SceneLayer",
            "esri/layers/TileLayer",
            "esri/Graphic",
            "esri/widgets/Expand",
            "esri/widgets/Home",
            "esri/geometry/Extent",
            "esri/Viewpoint",
            "esri/geometry/Polygon",
            "esri/core/watchUtils",
            "dojo/_base/array",

            ‘script/Draw.js‘,
            ‘script/Draw2.js‘,
            ‘script/Custom.js‘,
            ‘script/Measure.js‘,
            ‘script/MeasureLenght.js‘,
            ‘script/MeasureArea.js‘,
            ‘script/MeasureConfig.js‘,
            ‘script/QueryByRectangle.js‘,
            ‘script/QueryByPolygon.js‘,
            ‘script/QueryByPoint.js‘,
            ‘script/QueryLayerConfig.js‘,
            ‘script/GeoQueryLayerConfig.js‘,

            ‘script/EditPoint.js‘,
            ‘script/EditPointConfig.js‘,
            "script/CustiomSymbolConfig.js",
            "script/CustomAnimation.js",
            "script/EditPolygonConfig.js",
            "script/EditPointLayerConfig.js",
            "esri/tasks/QueryTask",
            "esri/tasks/support/Query",
            "esri/Color",
            "esri/layers/BaseTileLayer",

            "dojo/on",
            "dojo/dom",
            "dojo/domReady!"
        ],
            function (
                Map, SceneView, esriConfig, WebScene, Layer, FeatureLayer, GraphicsLayer, SceneLayer, TileLayer, Graphic, Expand,
                Home, Extent, Viewpoint, Polygon, watchUtils, arrayUtils,
                Draw, Draw2, Custom, Measure, MeasureLenght, MeasureArea, MeasureConfig, QueryByRectangle, QueryByPolygon, QueryByPoint,
                QueryLayerConfig, GeoQueryLayerConfig,
                EditPoint, EditPointConfig, CustiomSymbolConfig, CustomAnimation, EditPolygonConfig, EditPointLayerConfig,
                QueryTask, Query, Color, BaseTileLayer,
                on, dom
            ) {
                function getUniqueValueSymbol(name, color) {
                    //点符号用图标表示。要清楚地看到点的位置
                    //我们将图标垂直移动并添加callout行。这条线连接了与点特征位置相连接的符号。
                    //图标大小
                    return {
                        type: "point-3d",
                        symbolLayers: [{
                            type: "icon",
                            resource: {
                                href: name
                            },
                            size: 30,
                            outline: {
                                color: "white",
                                size: 2
                            }
                        }],

                        // 垂直偏移将符号垂直移动
                        verticalOffset: {
                            screenLength: 10,
                            maxWorldLength: 0,
                            minWorldLength: 0
                        },

                        callout: {
                            type: "line",
                            color: "white",
                            size: 1,
                            border: {
                                color: color
                            }
                        }
                    };
                }

                var featureLayer;

                var map = new WebScene({
                    basemap: "hybrid"
                });


                // 视图和home按钮的初始范围
                var initialExtent = new Extent({
                    xmin: 117.2,
                    xmax: 117.4,
                    ymin: 39.2,
                    ymax: 39.4,
                    spatialReference: 4326
                });
                var view = new SceneView({
                    container: "viewDiv",
                    extent: initialExtent,
                    map: map
                });

                //添加标注开始----------------------------------------------------------
                //指定标注录入的图层
                var fUrl = "https://services8.arcgis.com/91J2IDFbEdu7LCaR/arcgis/rest/services/enterprise/FeatureServer/0";
                //var fUrl = "https://2108aa73.all123.net/arcgis/rest/services/Hosted/enterprise/FeatureServer/0";
                //根据enterptype字段定义唯一值渲染器,图片符号形式
                var renderer = {
                    type: "unique-value", // autocasts as new SimpleRenderer()
                    field: "enterptype",
                    uniqueValueInfos: [{
                        value: 20,
                        symbol: getUniqueValueSymbol("image/Museum.png", "#D13470")
                    }, {
                        value: 30,
                        symbol: getUniqueValueSymbol("image/Restaurant.png", "#F97C5A")
                    }, {
                        value: 40,
                        symbol: getUniqueValueSymbol("image/Restaurant.png", "#F97C5A")
                    }, {
                        value: 50,
                        symbol: getUniqueValueSymbol("image/Restaurant.png", "#F97C5A")
                    }],
                    //根据预警级别设置符号颜色
                    visualVariables: [{
                        type: "color",
                        field: "warnlevel",
                        stops: [
                            { value: 0, color: "green" },
                            { value: 1, color: "blue" },
                            { value: 2, color: "red" },
                            { value: 3, color: "yellow" }
                        ]
                    }]
                };
                featureLayer = new FeatureLayer({
                    url: fUrl,
                    id: "enterpriselayer",
                    renderer: renderer,
                    visible: true,
                    outFields: ["*"],
                    //设置标注
                    labelingInfo: [
                        {
                            labelExpressionInfo: {
                                value: "{Name}"
                            },
                            symbol: {
                                type: "label-3d", // autocasts as new LabelSymbol3D()
                                symbolLayers: [{
                                    type: "text", // autocasts as new TextSymbol3DLayer()
                                    material: {
                                        color: "white"
                                    },
                                    // we set a halo on the font to make the labels more visible with any kind of background
                                    halo: {
                                        size: 1,
                                        color: [50, 50, 50]
                                    },
                                    size: 10
                                }]
                            }
                        }],
                    labelsVisible: true
                });
                map.add(featureLayer);
            });
    </script>
</head>

<body>
    <div id="viewDiv"></div>
</body>
</html>

  

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