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46 lines
2.9 KiB
46 lines
2.9 KiB
define(["dojo/_base/declare",
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"esri/layers/tiled"],
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function (declare) {
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return declare(esri.layers.TiledMapServiceLayer, {
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constructor: function () {
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this.spatialReference = new esri.SpatialReference({ wkid: 4326 });
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this.initialExtent = (this.fullExtent = new esri.geometry.Extent(-180.0, -90.0, 180.0, 90.0, this.spatialReference));
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this.tileInfo = new esri.layers.TileInfo({
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"rows": 256,
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"cols": 256,
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"compressionQuality": 0,
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"origin": {
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"x": -180,
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"y": 90
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},
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"spatialReference": {
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"wkid": 4326
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},
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"lods": [
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{ "level": 2, "resolution": 0.3515625, "scale": 147748796.52937502 },
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{ "level": 3, "resolution": 0.17578125, "scale": 73874398.264687508 },
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{ "level": 4, "resolution": 0.087890625, "scale": 36937199.132343754 },
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{ "level": 5, "resolution": 0.0439453125, "scale": 18468599.566171877 },
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{ "level": 6, "resolution": 0.02197265625, "scale": 9234299.7830859385 },
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{ "level": 7, "resolution": 0.010986328125, "scale": 4617149.8915429693 },
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{ "level": 8, "resolution": 0.0054931640625, "scale": 2308574.9457714846 },
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{ "level": 9, "resolution": 0.00274658203125, "scale": 1154287.4728857423 },
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{ "level": 10, "resolution": 0.001373291015625, "scale": 577143.73644287116 },
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{ "level": 11, "resolution": 0.0006866455078125, "scale": 288571.86822143558 },
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{ "level": 12, "resolution": 0.00034332275390625, "scale": 144285.93411071779 },
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{ "level": 13, "resolution": 0.000171661376953125, "scale": 72142.967055358895 },
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{ "level": 14, "resolution": 8.58306884765625e-005, "scale": 36071.483527679447 },
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{ "level": 15, "resolution": 4.291534423828125e-005, "scale": 18035.741763839724 },
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{ "level": 16, "resolution": 2.1457672119140625e-005, "scale": 9017.8708819198619 },
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{ "level": 17, "resolution": 1.0728836059570313e-005, "scale": 4508.9354409599309 },
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{ "level": 18, "resolution": 5.3644180297851563e-006, "scale": 2254.4677204799655 }
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]
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});
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this.loaded = true;
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this.onLoad(this);
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},
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getTileUrl: function (level, row, col) {
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return "http://t" + row % 8 + ".tianditu.cn/cva_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cva&STYLE=default&TILEMATRIXSET=c&TILEMATRIX=" + level + "&TILEROW=" + row + "&TILECOL=" + col + "&FORMAT=tiles";
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}
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});
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}); |