Render Shapes - Circles

Sample code for Woosmap Map JavaScript API author(s): Woosmap

HTML

<!DOCTYPE html>
<html>
  <head>
    <title>Render Shapes - Circles</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta charset="utf-8" />

    <!-- jsFiddle will insert css and js -->
  </head>
  <body>
    <!--The div element for the map -->
    <div id="map"></div>

    <script
      src="https://sdk.woosmap.com/map/map.js?key=woos-e1e5490b-19d1-34f8-9955-fd5cfc8c880f&callback=initMap"
      defer
    ></script>
  </body>
</html>

CSS

/*
 * Always set the map height explicitly to define the size of the div element
 * that contains the map.
 */
#map {
  height: 100%;
}

/*
 * Optional: Makes the sample page fill the window.
 */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
}

JavaScript

let map;
const data = {
  megacities: [
    {
      latlng: "35.700556,139.715",
      cityname: "Tokyo",
      citizens: 37400000,
    },
    {
      latlng: "23.133333,113.266667",
      cityname: "Guangzhou",
      citizens: 24900000,
    },
    {
      latlng: "37.566535,126.9779692",
      cityname: "Seoul",
      citizens: 24500000,
    },
    {
      latlng: "28.635308,77.22496",
      cityname: "Delhi",
      citizens: 23900000,
    },
    {
      latlng: "19.0176147,72.8561644",
      cityname: "Mumbai",
      citizens: 23300000,
    },
    {
      latlng: "19.4326077,-99.133208",
      cityname: "Mexico City",
      citizens: 22800000,
    },
    {
      latlng: "40.7143528,-74.00597",
      cityname: "New York City",
      citizens: 22200000,
    },
    {
      latlng: "-23.5489433,-46.6388182",
      cityname: "São Paulo",
      citizens: 20800000,
    },
    {
      latlng: "14.5995124,120.9842195",
      cityname: "Manila",
      citizens: 20100000,
    },
    {
      latlng: "31.230393,121.473704",
      cityname: "Shanghai",
      citizens: 18800000,
    },
    {
      latlng: "-6.211544,106.845172",
      cityname: "Jakarta",
      citizens: 18700000,
    },
    {
      latlng: "34.0522342,-118.2436849",
      cityname: "Los Angeles",
      citizens: 17900000,
    },
    {
      latlng: "24.893379,67.02806",
      cityname: "Karachi",
      citizens: 16900000,
    },
    {
      latlng: "34.6937378,135.5021651",
      cityname: "Osaka",
      citizens: 16800000,
    },
    {
      latlng: "22.572646,88.363895",
      cityname: "Kolkata",
      citizens: 16600000,
    },
    {
      latlng: "30.064742,31.249509",
      cityname: "Cairo",
      citizens: 15300000,
    },
    {
      latlng: "-34.6084175,-58.3731613",
      cityname: "Buenos Aires",
      citizens: 14800000,
    },
    {
      latlng: "55.755786,37.617633",
      cityname: "Moscow",
      citizens: 14800000,
    },
    {
      latlng: "23.709921,90.407143",
      cityname: "Dhaka",
...