add taxi layer

wangzhibo

2021-09-10 55301598dcc363ec410e5e08e282786c35da20a3

 config/config.json

@@ -5,7 +5,7 @@
      "gltfServerUrl": "//data.mars3d.cn/gltf"
    },
    "scene": {
      "center": {"lat":30.472404,"lng":121.534483,"alt":73322,"heading":354,"pitch":-46},
      "center": {"lat":30.62156,"lng":121.44918,"alt":48716,"heading":359,"pitch":-40},
      "scene3DOnly": false,
      "shadows": false,
      "removeDblClick": true,