Complex Marker Icons

This example creates complex markers to indicate beaches near Sydney, New South Wales, Australia.

Read thedocumentation.

TypeScript

// The following example creates complex markers to indicate beaches near
// Sydney, NSW, Australia. Note that the anchor is set to (0,32) to correspond
// to the base of the flagpole.

functioninitMap():void{
constmap=newgoogle.maps.Map(
document.getElementById("map")asHTMLElement,
{
zoom:10,
center:{lat:-33.9,lng:151.2},
}
);

setMarkers(map);
}

// Data for the markers consisting of a name, a LatLng and a zIndex for the
// order in which these markers should display on top of each other.
constbeaches:[string,number,number,number][]=[
["BondiBeach",-33.890542,151.274856,4],
["CoogeeBeach",-33.923036,151.259052,5],
["CronullaBeach",-34.028249,151.157507,3],
["ManlyBeach",-33.80010128657071,151.28747820854187,2],
["MaroubraBeach",-33.950198,151.259302,1],
];

functionsetMarkers(map:google.maps.Map){
// Adds markers to the map.

// Marker sizes are expressed as a Size of X,Y where the origin of the image
// (0,0) is located in the top left of the image.

// Origins, anchor positions and coordinates of the marker increase in the X
// direction to the right and in the Y direction down.
constimage={
url:"https://developers.google /maps/documentation/javascript/examples/full/images/beachflag.png ",
// This marker is 20 pixels wide by 32 pixels high.
size:newgoogle.maps.Size(20,32),
// The origin for this image is (0, 0).
origin:newgoogle.maps.Point(0,0),
// The anchor for this image is the base of the flagpole at (0, 32).
anchor:newgoogle.maps.Point(0,32),
};
// Shapes define the clickable region of the icon. The type defines an HTML
// <area> element 'poly' which traces out a polygon as a series of X,Y points.
// The final coordinate closes the poly by connecting to the first coordinate.
constshape={
coords:[1,1,1,20,18,20,18,1],
type:"poly",
};

for(leti=0;i<beaches.length;i++){
constbeach=beaches[i];

newgoogle.maps.Marker({
position:{lat:beach[1],lng:beach[2]},
map,
icon:image,
shape:shape,
title:beach[0],
zIndex:beach[3],
});
}
}

declareglobal{
interfaceWindow{
initMap:()=>void;
}
}
window.initMap=initMap;

JavaScript

// The following example creates complex markers to indicate beaches near
// Sydney, NSW, Australia. Note that the anchor is set to (0,32) to correspond
// to the base of the flagpole.
functioninitMap(){
constmap=newgoogle.maps.Map(document.getElementById("map"),{
zoom:10,
center:{lat:-33.9,lng:151.2},
});

setMarkers(map);
}

// Data for the markers consisting of a name, a LatLng and a zIndex for the
// order in which these markers should display on top of each other.
constbeaches=[
["BondiBeach",-33.890542,151.274856,4],
["CoogeeBeach",-33.923036,151.259052,5],
["CronullaBeach",-34.028249,151.157507,3],
["ManlyBeach",-33.80010128657071,151.28747820854187,2],
["MaroubraBeach",-33.950198,151.259302,1],
];

functionsetMarkers(map){
// Adds markers to the map.
// Marker sizes are expressed as a Size of X,Y where the origin of the image
// (0,0) is located in the top left of the image.
// Origins, anchor positions and coordinates of the marker increase in the X
// direction to the right and in the Y direction down.
constimage={
url:"https://developers.google /maps/documentation/javascript/examples/full/images/beachflag.png ",
// This marker is 20 pixels wide by 32 pixels high.
size:newgoogle.maps.Size(20,32),
// The origin for this image is (0, 0).
origin:newgoogle.maps.Point(0,0),
// The anchor for this image is the base of the flagpole at (0, 32).
anchor:newgoogle.maps.Point(0,32),
};
// Shapes define the clickable region of the icon. The type defines an HTML
// <area> element 'poly' which traces out a polygon as a series of X,Y points.
// The final coordinate closes the poly by connecting to the first coordinate.
constshape={
coords:[1,1,1,20,18,20,18,1],
type:"poly",
};

for(leti=0;i<beaches.length;i++){
constbeach=beaches[i];

newgoogle.maps.Marker({
position:{lat:beach[1],lng:beach[2]},
map,
icon:image,
shape:shape,
title:beach[0],
zIndex:beach[3],
});
}
}

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

<html>
<head>
<title>Complex Marker Icons</title>

<link rel= "stylesheet" type= "text/css" href= "./style.css" />
<script type= "module" src= "./index.js" ></script>
</head>
<body>
<div id= "map" ></div>

<!--
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 /maps/documentation/javascript/load-maps-js-api
for more information.
-->
<script
src= "https://maps.googleapis /maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly"
defer
></script>
</body>
</html>

Try Sample

Clone Sample

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

gitclone-bsample-icon-complexhttps://github /googlemaps/js-samples.git
cdjs-samples
npmi
npmstart

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

gitcheckoutsample-SAMPLE_NAME
npmi
npmstart