{
  "map3d": {
    "scene": {
      "center": {
        "lat": 30.393487,
        "lng": 104.08042,
        "alt": 49375,
        "heading": 3,
        "pitch": -53
      },
      "scene3DOnly": true,
      "shadows": false,
      "removeDblClick": true,
      "sceneMode": 3,
      "showSun": false,
      "showMoon": false,
      "showSkyBox": false,
      "showSkyAtmosphere": true,
      "fog": false,
      "fxaa": true,
      "requestRenderMode": false,
      "contextOptions": {
        "requestWebgl1": false
      },
      "globe": {
        "depthTestAgainstTerrain": true,
        "baseColor": "#546a53",
        "showGroundAtmosphere": true,
        "enableLighting": false
      },
      "cameraController": {
        "zoomFactor": 3.0,
        "minimumZoomDistance": 1,
        "maximumZoomDistance": 50000000,
        "enableRotate": true,
        "enableTranslate": true,
        "enableTilt": true,
        "enableZoom": true,
        "enableCollisionDetection": true,
        "minimumCollisionTerrainHeight": 15000
      }
    },
    "control": {
      "homeButton": false,
      "baseLayerPicker": false,
      "sceneModePicker": false,
      "vrButton": false,
      "fullscreenButton": false,
      "navigationHelpButton": false,
      "animation": false,
      "timeline": false,
      "infoBox": false,
      "geocoder": false,
      "selectionIndicator": false,
      "showRenderLoopErrors": false,
      "locationBar": {
        "crs": "CGCS2000_GK_Zone_3",
        "crsDecimal": 0,
        "template": "<div>经度:{lng}</div> <div>纬度:{lat}</div> <div class='hide1000'>横{crsx}  纵{crsy}</div> <div>海拔：{alt}米</div> <div class='hide700'>层级：{level}</div><div>方向：{heading}°</div> <div>俯仰角：{pitch}°</div><div class='hide700'>视高：{cameraHeight}米</div><div class='hide700'>帧率：{fps} FPS</div>"
      }
    },
    "basemaps": [
      {
        "id": 10,
        "name": "地图底图",
        "type": "group"
      },
      {
        "pid": 10,
        "name": "高德影像",
        "type": "group",
        "icon": "/img/basemaps/gaode_img.png",
        "layers": [
          {
            "name": "底图",
            "type": "gaode",
            "layer": "img_d"
          },
          {
            "name": "注记",
            "type": "gaode",
            "layer": "img_z"
          }
        ]
      },
      {
        "pid": 10,
        "name": "高德电子",
        "type": "gaode",
        "icon": "/img/basemaps/gaode_vec.png",
        "layer": "vec"
      },
      {
        "pid": 10,
        "name": "百度影像",
        "type": "group",
        "icon": "/img/basemaps/bd-img.png",
        "layers": [
          {
            "name": "底图",
            "type": "baidu",
            "layer": "img_d"
          },
          {
            "name": "注记",
            "type": "baidu",
            "layer": "img_z"
          }
        ]
      },
      {
        "pid": 10,
        "name": "百度电子",
        "icon": "/img/basemaps/bd-vec.png",
        "type": "baidu",
        "layer": "vec"
      },
      {
        "pid": 10,
        "name": "腾讯影像",
        "icon": "/img/basemaps/tencent_img.png",
        "type": "group",
        "layers": [
          {
            "name": "底图",
            "type": "tencent",
            "layer": "img_d"
          },
          {
            "name": "注记",
            "type": "tencent",
            "layer": "img_z"
          }
        ]
      },
      {
        "pid": 10,
        "name": "腾讯电子",
        "icon": "/img/basemaps/tencent_vec.png",
        "type": "tencent",
        "layer": "vec"
      },
      {
        "pid": 10,
        "name": "ArcGIS影像",
        "icon": "/img/basemaps/esriWorldImagery.png",
        "type": "xyz",
        "url": "https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}",
        "enablePickFeatures": false
      },
      {
        "pid": 10,
        "name": "微软影像",
        "icon": "/img/basemaps/bingAerial.png",
        "type": "bing",
        "layer": "Aerial"
      },
      {
        "id": 2017,
        "pid": 10,
        "name": "暗色底图",
        "type": "gaode",
        "icon": "/img/basemaps/blackMarble.png",
        "layer": "vec",
        "invertColor": true,
        "filterColor": "#4e70a6",
        "brightness": 0.6,
        "contrast": 1.8,
        "gamma": 0.3,
        "hue": 1,
        "saturation": 0
      },
      {
        "pid": 10,
        "name": "蓝色底图",
        "icon": "/img/basemaps/bd-c-midnight.png",
        "type": "xyz",
        "url": "http://map.geoq.cn/arcgis/rest/services/ChinaOnlineStreetPurplishBlue/MapServer/tile/{z}/{y}/{x}",
        "chinaCRS": "GCJ02",
        "enablePickFeatures": false
      },
      {
        "pid": 10,
        "name": "黑色底图",
        "icon": "/img/basemaps/bd-c-dark.png",
        "type": "tencent",
        "layer": "custom",
        "style": "4",
        "show": true
      },
      {
        "pid": 10,
        "name": "单张图片 (本地离线)",
        "icon": "/img/basemaps/offline.png",
        "type": "image",
        "url": "//data.mars3d.cn/file/img/world/world.jpg"
      },
      {
        "id": 2023,
        "pid": 10,
        "name": "无底图",
        "icon": "/img/basemaps/null.png",
        "type": "grid",
        "color": "#ffffff",
        "alpha": 0.03,
        "cells": 2
      }
    ]
  }
}