Render Shapes - Circles
Display and style geospatial data like circles or any GeoJSON data.
Example
Render Shapes - Circles
let map: woosmap.map.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",
citizens: 14000000,
},
{
latlng: "39.904214,116.407413",
cityname: "Beijing",
citizens: 13900000,
},
{
latlng: "35.6961111,51.4230556",
cityname: "Tehran",
citizens: 13100000,
},
{
latlng: "41.00527,28.97696",
cityname: "Istanbul",
citizens: 13000000,
},
{
latlng: "51.5001524,-0.1262362",
cityname: "London",
citizens: 12500000,
},
{
latlng: "-22.9035393,-43.2095869",
cityname: "Rio de Janeiro",
citizens: 12500000,
},
{
latlng: "6.4530556,3.3958333",
cityname: "Lagos",
citizens: 12100000,
},
{
latlng: "48.856614,2.3522219",
cityname: "Paris",
citizens: 11000000,
},
],
};
function initMap() {
map = new woosmap.map.Map(document.getElementById("map") as HTMLElement, {
center: {
lat: 40,
lng: 0,
},
zoom: 2,
});
for (const city in data.megacities) {
const latlng = {
lat: parseFloat(data.megacities[city].latlng.split(",")[0]),
lng: parseFloat(data.megacities[city].latlng.split(",")[1]),
};
new woosmap.map.Circle({
strokeColor: "#b71c1c",
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: "#b71c1c",
fillOpacity: 0.5,
map,
center: latlng,
radius: Math.sqrt(data.megacities[city].citizens) * 100,
});
}
}
window.initMap = initMap;
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",
citizens: 14000000,
},
{
latlng: "39.904214,116.407413",
cityname: "Beijing",
citizens: 13900000,
},
{
latlng: "35.6961111,51.4230556",
cityname: "Tehran",
citizens: 13100000,
},
{
latlng: "41.00527,28.97696",
cityname: "Istanbul",
citizens: 13000000,
},
{
latlng: "51.5001524,-0.1262362",
cityname: "London",
citizens: 12500000,
},
{
latlng: "-22.9035393,-43.2095869",
cityname: "Rio de Janeiro",
citizens: 12500000,
},
{
latlng: "6.4530556,3.3958333",
cityname: "Lagos",
citizens: 12100000,
},
{
latlng: "48.856614,2.3522219",
cityname: "Paris",
citizens: 11000000,
},
],
};
function initMap() {
map = new woosmap.map.Map(document.getElementById("map"), {
center: {
lat: 40,
lng: 0,
},
zoom: 2,
});
for (const city in data.megacities) {
const latlng = {
lat: parseFloat(data.megacities[city].latlng.split(",")[0]),
lng: parseFloat(data.megacities[city].latlng.split(",")[1]),
};
new woosmap.map.Circle({
strokeColor: "#b71c1c",
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: "#b71c1c",
fillOpacity: 0.5,
map,
center: latlng,
radius: Math.sqrt(data.megacities[city].citizens) * 100,
});
}
}
window.initMap = initMap;
/*
* 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;
}
<html>
<head>
<title>Render Shapes - Circles</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="utf-8" />
<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>
</head>
<body>
<!--The div element for the map -->
<div id="map"></div>
<script
src="https://sdk.woosmap.com/map/map.js?key=woos-48c80350-88aa-333e-835a-07f4b658a9a4&callback=initMap"
defer
></script>
</body>
</html>
Running the Sample Locally
Before you can run this sample on your local machine, you need to have Git and Node.js installed. If they’re not already installed, follow these instructions to get them set up.
Once you have Git and Node.js installed, you can run the sample by following these steps:
-
Clone the repository and navigate to the directory of the sample.
-
Install the necessary dependencies.
-
Start running the sample.
Here are the commands you can use in your terminal to do this:
git clone -b sample/render-shapes-circles https://github.com/woosmap/js-samples.git
cd js-samples
npm i
npm start
You can experiment with other samples by switching to any branch that starts with the pattern sample/SAMPLE_NAME.
git checkout sample/SAMPLE_NAME
npm i
npm start
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