This example converts a polyline to a dashed line, by setting the opacity of the polyline to 0, and drawing an opaque symbol at a regular interval on the polyline.
Read the documentation.
// This example converts a polyline to a dashed line, by // setting the opacity of the polyline to 0, and drawing an opaque symbol // at a regular interval on the polyline. function initMap() { var map = new google.maps.Map(document.getElementById('map'), { zoom: 6, center: {lat: 20.291, lng: 153.027}, mapTypeId: 'terrain' }); // Define a symbol using SVG path notation, with an opacity of 1. var lineSymbol = { path: 'M 0,-1 0,1', strokeOpacity: 1, scale: 4 }; // Create the polyline, passing the symbol in the 'icons' property. // Give the line an opacity of 0. // Repeat the symbol at intervals of 20 pixels to create the dashed effect. var line = new google.maps.Polyline({ path: [{lat: 22.291, lng: 153.027}, {lat: 18.291, lng: 153.027}], strokeOpacity: 0, icons: [{ icon: lineSymbol, offset: '0', repeat: '20px' }], map: map }); }
<div id="map"></div>
/* 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; }
<!-- Replace the value of the key parameter with your own API key. --> <script async defer src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initMap"> </script>
Try it yourself
You can experiment with this code in JSFiddle by clicking the <>
icon in the
top-right corner of the code window.
<!DOCTYPE html> <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no"> <meta charset="utf-8"> <title>Dashed Line Symbols (Polyline)</title> <style> /* 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; } </style> </head> <body> <div id="map"></div> <script> // This example converts a polyline to a dashed line, by // setting the opacity of the polyline to 0, and drawing an opaque symbol // at a regular interval on the polyline. function initMap() { var map = new google.maps.Map(document.getElementById('map'), { zoom: 6, center: {lat: 20.291, lng: 153.027}, mapTypeId: 'terrain' }); // Define a symbol using SVG path notation, with an opacity of 1. var lineSymbol = { path: 'M 0,-1 0,1', strokeOpacity: 1, scale: 4 }; // Create the polyline, passing the symbol in the 'icons' property. // Give the line an opacity of 0. // Repeat the symbol at intervals of 20 pixels to create the dashed effect. var line = new google.maps.Polyline({ path: [{lat: 22.291, lng: 153.027}, {lat: 18.291, lng: 153.027}], strokeOpacity: 0, icons: [{ icon: lineSymbol, offset: '0', repeat: '20px' }], map: map }); } </script> <script async defer src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap"> </script> </body> </html>