Simple Polygon  |  Maps JavaScript API  |  Google for Developers (original) (raw)

Simple Polygon

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This example creates a map with a simple polygon representing the Bermuda Triangle.

Read the documentation.

TypeScript

// This example creates a simple polygon representing the Bermuda Triangle.

function initMap(): void { const map = new google.maps.Map( document.getElementById("map") as HTMLElement, { zoom: 5, center: { lat: 24.886, lng: -70.268 }, mapTypeId: "terrain", } );

// Define the LatLng coordinates for the polygon's path. const triangleCoords = [ { lat: 25.774, lng: -80.19 }, { lat: 18.466, lng: -66.118 }, { lat: 32.321, lng: -64.757 }, { lat: 25.774, lng: -80.19 }, ];

// Construct the polygon. const bermudaTriangle = new google.maps.Polygon({ paths: triangleCoords, strokeColor: "#FF0000", strokeOpacity: 0.8, strokeWeight: 2, fillColor: "#FF0000", fillOpacity: 0.35, });

bermudaTriangle.setMap(map); }

declare global { interface Window { initMap: () => void; } } window.initMap = initMap;

JavaScript

// This example creates a simple polygon representing the Bermuda Triangle. function initMap() { const map = new google.maps.Map(document.getElementById("map"), { zoom: 5, center: { lat: 24.886, lng: -70.268 }, mapTypeId: "terrain", }); // Define the LatLng coordinates for the polygon's path. const triangleCoords = [ { lat: 25.774, lng: -80.19 }, { lat: 18.466, lng: -66.118 }, { lat: 32.321, lng: -64.757 }, { lat: 25.774, lng: -80.19 }, ]; // Construct the polygon. const bermudaTriangle = new google.maps.Polygon({ paths: triangleCoords, strokeColor: "#FF0000", strokeOpacity: 0.8, strokeWeight: 2, fillColor: "#FF0000", fillOpacity: 0.35, });

bermudaTriangle.setMap(map); }

window.initMap = initMap;

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; }

HTML

<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>

<!-- 
  The `defer` attribute causes the script to execute after the full HTML
  document has been parsed. For non-blocking uses, avoiding race conditions,
  and consistent behavior across browsers, consider loading using Promises. See
  https://developers.google.com/maps/documentation/javascript/load-maps-js-api
  for more information.
  -->
<script
  src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly"
  defer
></script>

Try Sample

Clone Sample

Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.

git clone -b sample-polygon-simple https://github.com/googlemaps/js-samples.git cd js-samples npm i npm start

Other samples can be tried by switching to any branch beginning with sample-SAMPLE_NAME.

git checkout sample-SAMPLE_NAME npm i npm start