arcgis javascript api4.x加载天地图web墨卡托（wkid：3857）坐标系

发布时间：2024年01月14日

效果：

示例代码：

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>加载天地图</title>
    <link
    rel="stylesheet"
    href="https://js.arcgis.com/4.27/esri/themes/light/main.css"
  />
  <script src="https://js.arcgis.com/4.27/"></script>
 
    <style>
        html,
        body,
        #viewDiv {
        padding: 0;
        margin: 0;
        height: 100%;
        width: 100%;
      }
    </style>
    <script>
        require(["esri/Map",
            "esri/views/MapView",
            "esri/layers/WebTileLayer",
            "esri/layers/support/TileInfo",
            "esri/Basemap",
     
        ], function (Map, MapView, WebTileLayer, TileInfo,Basemap) {
            
            let tileInfo = new TileInfo({
            rows: 256,
            cols: 256,
            dpi: 96,
            origin: {
                "x": -20037508.342787,
                "y": 20037508.342787
            },
            spatialReference: {
                "wkid": 102100,
                "latestWkid": 3857
            },
            lods: [
                {
                    "level": 0,
                    "resolution": 156543.03392800014,
                    "scale": 591657527.591555
                },
                {
                    "level": 1,
                    "resolution": 78271.51696399994,
                    "scale": 295828763.795777
                },
                {
                    "level": 2,
                    "resolution": 39135.75848200009,
                    "scale": 147914381.897889
                },
                {
                    "level": 3,
                    "resolution": 19567.87924099992,
                    "scale": 73957190.948944
                },
                {
                    "level": 4,
                    "resolution": 9783.93962049996,
                    "scale": 36978595.474472
                },
                {
                    "level": 5,
                    "resolution": 4891.96981024998,
                    "scale": 18489297.737236
                },
                {
                    "level": 6,
                    "resolution": 2445.98490512499,
                    "scale": 9244648.868618
                },
                {
                    "level": 7,
                    "resolution": 1222.992452562495,
                    "scale": 4622324.434309
                },
                {
                    "level": 8,
                    "resolution": 611.4962262813797,
                    "scale": 2311162.217155
                },
                {
                    "level": 9,
                    "resolution": 305.74811314055756,
                    "scale": 1155581.108577
                },
                {
                    "level": 10,
                    "resolution": 152.87405657041106,
                    "scale": 577790.554289
                },
                {
                    "level": 11,
                    "resolution": 76.43702828507324,
                    "scale": 288895.277144
                },
                {
                    "level": 12,
                    "resolution": 38.21851414253662,
                    "scale": 144447.638572
                },
                {
                    "level": 13,
                    "resolution": 19.10925707126831,
                    "scale": 72223.819286
                },
                {
                    "level": 14,
                    "resolution": 9.554628535634155,
                    "scale": 36111.909643
                },
                {
                    "level": 15,
                    "resolution": 4.77731426794937,
                    "scale": 18055.954822
                },
                {
                    "level": 16,
                    "resolution": 2.388657133974685,
                    "scale": 9027.977411
                },
                {
                    "level": 17,
                    "resolution": 1.1943285668550503,
                    "scale": 4513.988705
                },
                {
                    "level": 18,
                    "resolution": 0.5971642835598172,
                    "scale": 2256.994353
                }
            ]
        });

       


        /*天地图-矢量（球面墨卡托）*/

        var vec_tiandituLayer = new WebTileLayer("http://{subDomain}.tianditu.gov.cn/vec_w/wmts?SERVICE=WMTS&VERSION=1.0.0&REQUEST=GetTile&LAYER=vec&STYLE=default&FORMAT=tiles&TILEMATRIXSET=w&TILEMATRIX={level}&TILEROW={row}&TILECOL={col}&tk=ac0daf56728bbb77d9514ba3df69bcd3", {
            subDomains: ["t0","t1","t2","t3","t4","t5","t6","t7"],
            title: "天地图-矢量",
            tileInfo: tileInfo
        });

        var cva_tiandituLayer = new WebTileLayer("http://{subDomain}.tianditu.gov.cn/cva_w/wmts?SERVICE=WMTS&VERSION=1.0.0&REQUEST=GetTile&LAYER=cva&STYLE=default&FORMAT=tiles&TILEMATRIXSET=w&TILEMATRIX={level}&TILEROW={row}&TILECOL={col}&tk=ac0daf56728bbb77d9514ba3df69bcd3", {
            subDomains: ["t0","t1","t2","t3","t4","t5","t6","t7"],
            title: "天地图-矢量注记",
            tileInfo: tileInfo
        });

        var vec_basemap = new Basemap({
            baseLayers: [
                vec_tiandituLayer
            ],
            referenceLayers: [
                cva_tiandituLayer
            ],
            thumbnailUrl:"https://www.arcgis.com/sharing/rest/content/items/0fa6d020c45342eabd89954344a739ba/info/thumbnail/thumbnail1629181199303.png",
            title: "天地图-矢量（球面墨卡托）"
        });

         
        var map = new Map({
            basemap: vec_basemap
        });

        var view = new MapView({
            container: "viewDiv",
            map: map,
           
        });

         
            
        })
    </script>
</head>
 
<body>
    <div id="viewDiv"></div>
</body>
 
</html>
 
</html>

文章来源:https://blog.csdn.net/gislaozhang/article/details/135584558
本文来自互联网用户投稿，该文观点仅代表作者本人，不代表本站立场。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。
最新文章