zoom_levels.js

const zoomLevel = {
  zoomStatus: [
    {
      subtitle: "The Yunnan Province of China",
      text:
        "<p>The Yunnan Province is a mountainous region in Southwestern China.</p><p class='legend'>(Yunnan is outlined in red)</p><p class='directions'>&#128269; Click the right-arrow button to see the next view</p>",
      layer: ["yunnanOutline"], //
      zoom: 5,
      lat: 30.0,
      long: 104.0,
      tiles: "grayscale",
      polyColor: "red"
    },
    {
      subtitle: "Yunnan's Plateau Region",
      text:
        '<p>The region is home to many lakes, comprising a total surface area of 1,066 km<sup>2</sup>. </ br>Nine of these "plateau lakes" are recognized as having surface areas over 30 km<sup>2</sup>. The lakes span multiple watersheds.</p><p class="legend">(Watersheds are shaded red. Lakes are outlined in blue.)</p>',
      layer: ["subBasins", "nineLakes"],
      zoom: 7,
      lat: 26.199619,
      long: 101.967598,
      tiles: "grayscale",
      polyColor: "red"
    },
    {
      subtitle: "The Yuxi City District",
      text:
        '<p>Three of these "plateau lakes" fall entirely within the Yuxi City District of Yunnan. The Yuxi City government is responsible for the restoration and protection of these lakes.</p><p class="legend">(Yuxi City District is outlined in green)</p>',
      layer: ["yuxiOutline", "nineLakes"],
      zoom: 8,
      lat: 24.423742,
      long: 102.810943,
      tiles: "grayscale",
      polyColor: "red"
    },
    {
      subtitle: "Three Yuxi Lakes",
      text:
        "<p>Of these three lakes, Fuxian is substantially larger and deeper than Qilu or Xingyun.<p class='directions'>&#128269; Click the lakes to learn more about them</p>",
      layer: ["yuxiLakes"], //
      zoom: 10,
      lat: 24.423742,
      long: 102.810943,
      tiles: "satelliteStreets",
      polyColor: "#3388ff"
    },
    {
      subtitle: "Comparing lakes of the Yuxi with Lake Erie",
      text:
        "<p>Lake Erie (superimposed here below the Yuxi area lakes) faces similar threats to water quality despite its larger volume and surface area.</p><p class='directions'>&#128269; Click the lakes to learn more about them</p>",
      layer: ["yuxiLakes", "lakeErie"],
      zoom: 8,
      lat: 23.609959,
      long: 104.34255,
      tiles: "noLabels",
      polyColor: "#3388ff"
    }
  ]
};