<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Circles</title>
<style>
html, body, #map-canvas {
height: 100%;
margin: 0px;
padding: 0px
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&signed_in=true"></script>
<script>
// This example creates circles on the map, representing
// populations in North America.
// First, create an object containing LatLng and population for each city.
var citymap = {};
citymap['chicago'] = {
center: new google.maps.LatLng(41.878113, -87.629798),
population: 2714856
};
citymap['newyork'] = {
center: new google.maps.LatLng(40.714352, -74.005973),
population: 8405837
};
citymap['losangeles'] = {
center: new google.maps.LatLng(34.052234, -118.243684),
population: 3857799
};
citymap['vancouver'] = {
center: new google.maps.LatLng(49.25, -123.1),
population: 603502
};
var cityCircle;
function initialize() {
// Create the map.
var mapOptions = {
zoom: 4,
center: new google.maps.LatLng(37.09024, -95.712891),
mapTypeId: google.maps.MapTypeId.TERRAIN
};
var map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
// Construct the circle for each value in citymap.
// Note: We scale the area of the circle based on the population.
for (var city in citymap) {
var populationOptions = {
strokeColor: '#FF0000',
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: '#FF0000',
fillOpacity: 0.35,
map: map,
center: citymap[city].center,
radius: Math.sqrt(citymap[city].population) * 100
};
// Add the circle for this city to the map.
cityCircle = new google.maps.Circle(populationOptions);
}
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="map-canvas"></div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Circles</title>
<style>
html, body, #map-canvas {
height: 100%;
margin: 0px;
padding: 0px
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&signed_in=true"></script>
<script>
// This example creates circles on the map, representing
// populations in North America.
// First, create an object containing LatLng and population for each city.
var citymap = {};
citymap['chicago'] = {
center: new google.maps.LatLng(41.878113, -87.629798),
population: 2714850,
color: '#FF6600'
};
citymap['newyork'] = {
center: new google.maps.LatLng(40.714352, -74.005973),
population: 8405837,
color: '#FFF'
};
citymap['losangeles'] = {
center: new google.maps.LatLng(34.052234, -118.243684),
population: 3857799,
color: 'green'
};
citymap['vancouver'] = {
center: new google.maps.LatLng(49.25, -123.1),
population: 603502,
color: 'blue'
};
var cityCircle;
function initialize() {
// Create the map.
var mapOptions = {
zoom: 4,
center: new google.maps.LatLng(37.09024, -95.712891),
mapTypeId: google.maps.MapTypeId.TERRAIN
};
var map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
// Construct the circle for each value in citymap.
// Note: We scale the area of the circle based on the population.
for (var city in citymap) {
var populationOptions = {
strokeColor: '#FF0000',
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: citymap[city].color,
fillOpacity: 0.35,
map: map,
center: citymap[city].center,
radius: Math.sqrt(citymap[city].population) * 100
};
// Add the circle for this city to the map.
cityCircle = new google.maps.Circle(populationOptions);
}
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="map-canvas"></div>
</body>
</html>