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kampar/custom_legend.html

Created December 25, 2016 18:32
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Google Maps API Sample for custom legend, modified as lecture material in GIS, here at UIN Suska
Raw
custom_legend.html
<!DOCTYPE html>
<html>
<head>
<title>Custom Legend</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<style>
html, body {
margin: 0;
padding: 0;
height: 100%;
width: 100%;
}
#map {
/* height: 400px; */
height: 100%;
width: 100%;
}
#legend {
font-family: Arial, sans-serif;
background: #fff;
padding: 10px;
margin: 10px;
border: 3px solid #000;
}
#legend h3 {
margin-top: 0;
}
#legend img {
vertical-align: middle;
}
</style>
</head>
<body>
<div id="map"></div>
<div id="legend"><h3>Legend</h3></div>
<script>
var map;
function initMap() {
map = new google.maps.Map(document.getElementById('map'), {
zoom: 16,
//center: new google.maps.LatLng(-33.91722, 151.23064),
// the old one is in UNSW, Australia
// change it into UIN Suska: 101.35475,0.46559
center: new google.maps.LatLng(0.46559, 101.35475),
mapTypeId: 'roadmap'
});
var iconBase = 'https://maps.google.com/mapfiles/kml/shapes/';
var icons = {
parking: {
name: 'Parking',
icon: iconBase + 'parking_lot_maps.png'
},
library: {
name: 'Library',
icon: iconBase + 'library_maps.png'
},
info: {
name: 'Info',
icon: iconBase + 'info-i_maps.png'
}
};
function addMarker(feature) {
var marker = new google.maps.Marker({
position: feature.position,
icon: icons[feature.type].icon,
map: map
});
// since not every feature has content, only add infoWindow when content exist
if(feature.content){
var marker_infoWindow = new google.maps.InfoWindow({
content: feature.content
});
marker.addListener('click', function() {
marker_infoWindow.open(map, marker);
});
}
}
var features = [
{
position: new google.maps.LatLng(0.46721, 101.35630),
content: 'INFO dodol lagi ...',
type: 'info'
}, {
position: new google.maps.LatLng(0.46539, 101.35820),
content: 'INFO dodol lagi ...',
type: 'info'
}, {
position: new google.maps.LatLng(0.46747, 101.35912),
type: 'info'
}, {
position: new google.maps.LatLng(0.46910, 101.35907),
type: 'info'
}, {
position: new google.maps.LatLng(0.46725, 101.35011),
type: 'info'
}, {
position: new google.maps.LatLng(0.46872, 101.35089),
content: 'INFO dodol lagi ...',
type: 'info'
}, {
position: new google.maps.LatLng(0.46784, 101.35094),
type: 'info'
}, {
position: new google.maps.LatLng(0.46682, 101.35149),
type: 'info'
}, {
position: new google.maps.LatLng(0.46790, 101.35463),
type: 'info'
}, {
position: new google.maps.LatLng(0.46666, 101.35468),
content: 'INFO dodol lagi ...',
type: 'info'
}, {
position: new google.maps.LatLng(0.466988, 101.353640),
content: 'INFO dodol lagi ...',
type: 'info'
}, {
position: new google.maps.LatLng(0.46662347903106, 101.35879464019775),
type: 'parking'
}, {
position: new google.maps.LatLng(0.466365282092855, 101.35937399734496),
type: 'parking'
}, {
position: new google.maps.LatLng(0.46665018901448, 101.3582474695587),
type: 'parking'
}, {
position: new google.maps.LatLng(0.469543720969806, 101.35112279762267),
type: 'parking'
}, {
position: new google.maps.LatLng(0.46608037421864, 101.35288232673644),
type: 'parking'
}, {
position: new google.maps.LatLng(0.46851096391805, 101.3544058214569),
type: 'parking'
}, {
position: new google.maps.LatLng(0.46818154739766, 101.3546203981781),
type: 'parking'
}, {
position: new google.maps.LatLng(0.46495, 101.35621),
type: 'library',
content: 'Perpustakaan UIN'
}
];
for (var i = 0, feature; feature = features[i]; i++) {
addMarker(feature);
}
var legend = document.getElementById('legend');
for (var key in icons) {
var type = icons[key];
var name = type.name;
var icon = type.icon;
var div = document.createElement('div');
div.innerHTML = '<img src="' + icon + '"> ' + name;
legend.appendChild(div);
}
map.controls[google.maps.ControlPosition.RIGHT_BOTTOM].push(legend);
}
</script>
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCfswesJkjAcixCfuhU42Ss6dHlFCG5JAk&callback=initMap">
</script>
</body>
</html>
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