var vecUrl = "http://t0.tianditu.com/vec_w/wmts?tk=e90d56e5a09d1767899ad45846b0cefd";
var cvaUrl = "http://t0.tianditu.com/cva_w/wmts?tk=e90d56e5a09d1767899ad45846b0cefd";
//实例化source对象
var tdtVec = {
    //类型为栅格瓦片
    "type": "raster",
    'tiles': [ vecUrl +"&SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=vec&STYLE=default&TILEMATRIXSET=w&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&FORMAT=tiles"],
    //分辨率
    'tileSize': 256
    };
    var tdtCva = {
        "type": "raster",
        'tiles': [cvaUrl +"&SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cva&STYLE=default&TILEMATRIXSET=w&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&FORMAT=tiles"],
        'tileSize': 256
        };
        //实例化Map地图对象
        var map = new mapboxgl.Map({
            //地图容器div的id
            container: 'map',
            style: {
                //设置版本号，一定要设置
                "version": 8,
                //添加来源
                "sources": {
                    "tdtVec": tdtVec,
                    "tdtCva": tdtCva
                    },
                    "layers": [{
                        //图层id，要保证唯一性
                        "id": "tdtVec",
                        //图层类型
                        "type": "raster",
                        //数据源
                        "source": "tdtVec",
                        //图层最小缩放级数
                        "minzoom": 0,
                        //图层最大缩放级数
                        "maxzoom": 17
                        },
                        {
                            "id": "tdtCva",
                            "type": "raster",
                            "source": "tdtCva",
                            "minzoom": 0,
                            "maxzoom": 17
                            } ],
                            },
                            //地图中心点
                            center: [113.679943564, 22.559617265],
                            //地图当前缩放级数
                            zoom: 8
    });

var TiandituimageryLayer=new Cesium.TiandituImageryProvider({
mapStyle: Cesium.TiandituMapsStyle[value],
 token: "4a00a1dc5387b8ed8adba3374bd87e5e"
  })
  viewer.imageryLayers.addImageryProvider(TiandituimageryLayer);

var provider = new Cesium.TiandituTerrainProvider({
token:"4a00a1dc5387b8ed8adba3374bd87e5e"
});
viewer.terrainProvider = provider;

var matrixIds = [];
for (let i = 0; i < 19; i++) {
    matrixIds[i] = i + 1;
}
var wmtsImageryProvider = new Cesium.WebMapTileServiceImageryProvider({
		url: 'http://www.sdmap.gov.cn/tileservice/SDRasterPubMap',
		layer: '山东影像地图',
		style: 'default',
		format: 'tiles',
		tileMatrixSetID: 'SDRasterPubMap',
		tileMatrixLabels: matrixIds,
		tilingScheme: new Cesium.GeographicTilingScheme({
		ellipsoid: Cesium.Ellipsoid.CGCS2000,
		numberOfLevelZeroTilesX: 2,
		numberOfLevelZeroTilesY: 1
	})
});
viewer.imageryLayers.addImageryProvider(wmtsImageryProvider);