赣州市洪水风险预警系统二维版本
xiebin
2023-03-02 b39483c96ae572121d3c619c0b9d37634e682cc4
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define(['esri/layers/TiledMapServiceLayer',
        'esri/SpatialReference',
        'esri/geometry/Extent',
        'esri/layers/TileInfo',
        'dojo'
        ],
      function(TiledMapServiceLayer,
               SpatialReference,
               Extent,
               TileInfo,
               dojo
               ){
          
        return dojo.declare("esrichina.GoogleMapLayer", TiledMapServiceLayer, {
          _baseUrl:"",
          constructor: function(url) {
              this.baseURL = url;
            this.spatialReference = new SpatialReference({ wkid:102100 });
            this.initialExtent = (this.fullExtent = new Extent(-20037508.342787, -20037508.342787, 20037508.342787, 20037508.342787, this.spatialReference));
 
            this.tileInfo = new TileInfo({
              "rows" : 256,
              "cols" : 256,
              "dpi" : 96,
              "format" : "PNG32",
              "compressionQuality" : 0,
              "origin" : {
                "x" : -20037508.342787,
                "y" : 20037508.342787
              },
              "spatialReference" : {
              "wkid" : 102100
                }
            });
            this.tileInfo.lods = [{
        level: 0,
        resolution: 156543.033928,
        scale: 591657527.591555
      }, {
        level: 1,
        resolution: 78271.5169639999,
        scale: 295828763.795777
      }, {
        level: 2,
        resolution: 39135.7584820001,
        scale: 147914381.897889
      }, {
        level: 3,
        resolution: 19567.8792409999,
        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: 1222.99245256249,
        scale: 4622324.434309
      }, {
        level: 8,
        resolution: 611.49622628138,
        scale: 2311162.217155
      }, {
        level: 9,
        resolution: 305.748113140558,
        scale: 1155581.108577
      }, {
        level: 10,
        resolution: 152.874056570411,
        scale: 577790.554289
      }, {
        level: 11,
        resolution: 76.4370282850732,
        scale: 288895.277144
      }, {
        level: 12,
        resolution: 38.2185141425366,
        scale: 144447.638572
      }, {
        level: 13,
        resolution: 19.1092570712683,
        scale: 72223.819286
      }, {
        level: 14,
        resolution: 9.55462853563415,
        scale: 36111.909643
      }, {
        level: 15,
        resolution: 4.77731426794937,
        scale: 18055.954822
      }, {
        level: 16,
        resolution: 2.38865713397468,
        scale: 9027.977411
      }, {
        level: 17,
        resolution: 1.19432856685505,
        scale: 4513.988705
      }, {
        level: 18,
        resolution: 0.597164283559817,
        scale: 2256.994353
      }, {
        level: 19,
        resolution: 0.298582141647617,
        scale: 1128.497176
      }, {
        level: 20,
        resolution: 0.149291070823808,
        scale: 564.248588
      }];
 
            this.loaded = true;
            this.onLoad(this);
          },
 
          getTileUrl: function(level, row, col) {
                           
              var returnurl = this.baseURL + "&x=" + col + "&" +  
                "y=" + row + "&" + "z=" + level;  
              console.log(returnurl);
              return returnurl;
           }
      });
});