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index.html
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index.html
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<!doctype html>
<html>
<head>
<title>Sample gmap-features code</title>
<style type="text/css">
html, body {
margin: 0;
padding: 0;
height: 100%;
}
</style>
</head>
<body>
<h1>Demo of gmap-features</h1>
<ul class="maps">
<li>
<p>Parsing JSON data file</p>
<div id="map1" style="width:500px;height:300px;"></div>
</li>
<li>
<p>Parsing KML data file</p>
<div id="map2" style="width:500px;height:300px;"></div>
</li>
<li>
<p>Supports features with holes and multiple parts</p>
<div id="map3" style="width:500px;height:300px;"></div>
</li>
<li>
<p>Highlighting/selecting/unselecting colors are based on feature data, via responsive_*_opts callbacks</p>
<div id="map4" style="width:500px;height:300px;"></div>
</li>
</ul>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script>
<script src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script src="gmap-features.js"></script>
<script type="text/javascript">
// example using json data
function map1() {
var map, features;
map = new google.maps.Map(document.getElementById("map1"), {
center: new google.maps.LatLng(40.731368,-73.975071),
zoom: 15,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: false,
streetViewControl: false
});
$.getJSON("sampledata/data.json", function(data) {
var BLUES = ["#E9F6FF", "#B3D6FF", "#7BB1FF", "#4C89E0", "#4073BC", "#284A72"];
/*
* invoke load_polygons
*/
features = gmap.load_polygons({
map: map,
data: data, //required. all other params are optional
data_type: "json", // 'json' is default. can also use 'kml' in which case pass the kml document as data as a string
getColor: function(data) {
// runs in the scope of each feature. returns the color to set it to
// has access to the data in this.fields
var perc;
if (data.totpop != 0) {
perc = Number(data.totpop_wnh)/Number(data.totpop);
} else { perc = 0; }
return BLUES[(Math.floor(perc * 5)) % 5]; // maps [0,1) into 0 to 4. buckets of .2
},
unselected_opts: {
"fillOpacity": .75
},
highlighted_opts: {
strokeWeight: 3.0,
strokeColor: "#FF0000"
},
selected_opts: {
strokeWeight: 2.0,
strokeColor: "#0000FF"
},
highlightCallback: function(e) {
console.log("highlighted "+this.id);
},
selectCallback: function(e) {
console.log(this.fields);
}
});
});
}
// example using KML data
function map2() {
var map, features;
map = new google.maps.Map(document.getElementById("map2"), {
center: new google.maps.LatLng(40.8765,-73.9095),
zoom: 15,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: false,
streetViewControl: false
});
$.get("sampledata/data.kml", function(data) {
var BLUES = ["#E9F6FF", "#B3D6FF", "#7BB1FF", "#4C89E0", "#4073BC", "#284A72"];
features = gmap.load_polygons({
map: map,
data: data, //required. all other params are optional
data_type: "kml", // 'json' is default. can also use 'kml' in which case pass the kml document as data as a string
getColor: function(data) {
// runs in the scope of each feature. returns the color to set it to
// has access to the data in this.fields
var perc;
if (data.totpop != 0) {
perc = Number(data.totpop_wnh)/Number(data.totpop);
} else { perc = 0; }
return BLUES[(Math.floor(perc * 5)) % 5]; // maps [0,1) into 0 to 4. buckets of .2
},
unselected_opts: {
"fillOpacity": .75
},
highlighted_opts: {
strokeWeight: 3.0,
strokeColor: "#FF0000"
},
selected_opts: {
strokeWeight: 2.0,
strokeColor: "#0000FF"
},
highlightCallback: function(e) {
console.log("highlighted "+this.id);
},
selectCallback: function(e) {
console.log(this.fields);
}
});
});
}
// example using KML data
function map3() {
var map, features;
map = new google.maps.Map(document.getElementById("map3"), {
center: new google.maps.LatLng(40.8765,-73.9095),
zoom: 15,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: false,
streetViewControl: false
});
$.get("sampledata/data2.kml", function(data) {
var BLUES = ["#E9F6FF", "#B3D6FF", "#7BB1FF", "#4C89E0", "#4073BC", "#284A72"];
features = gmap.load_polygons({
map: map,
data: data, //required. all other params are optional
data_type: "kml", // 'json' is default. can also use 'kml' in which case pass the kml document as data as a string
getColor: function(data) {
// runs in the scope of each feature. returns the color to set it to
// has access to the data in this.fields
var perc;
if (data.totpop != 0) {
perc = Number(data.totpop_wnh)/Number(data.totpop);
} else { perc = 0; }
return BLUES[(Math.floor(perc * 5)) % 5]; // maps [0,1) into 0 to 4. buckets of .2
},
unselected_opts: {
"fillOpacity": .75
},
highlighted_opts: {
strokeWeight: 3.0,
strokeColor: "#FF0000"
},
selected_opts: {
strokeWeight: 2.0,
strokeColor: "#0000FF"
},
highlightCallback: function(e) {
console.log("highlighted "+this.id);
},
selectCallback: function(e) {
console.log(this.fields);
}
});
});
}
// example using json data and responsive callbacks for highlighted/selected/unselected states
function map4() {
var map, features;
map = new google.maps.Map(document.getElementById("map4"), {
center: new google.maps.LatLng(40.731368,-73.975071),
zoom: 15,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: false,
streetViewControl: false
});
$.getJSON("sampledata/data.json", function(data) {
var BLUES = ["#E9F6FF", "#B3D6FF", "#7BB1FF", "#4C89E0", "#4073BC", "#284A72"];
/*
* invoke load_polygons
*/
features = gmap.load_polygons({
map: map,
data: data, //required. all other params are optional
data_type: "json", // 'json' is default. can also use 'kml' in which case pass the kml document as data as a string
unselected_opts: {
"fillOpacity": .75
},
highlighted_opts: {
strokeWeight: 2.0,
strokeColor: "#000000"
},
selected_opts: {
strokeWeight: 2.0,
strokeColor: "#000000"
},
responsive_unselected_opts: function() {
if(this.fields.totpop_wnh > 100) {
return { fillColor: "#8DEEEE" };
} else {
return { fillColor: "#EE1289" };
}
},
responsive_highlighted_opts: function() {
if(this.fields.totpop_wnh > 100) {
return { fillColor: "#8DEE00" };
} else {
return { fillColor: "#EE1200" };
}
},
responsive_selected_opts: function() {
if(this.fields.totpop_wnh > 100) {
return { strokeWeight: 5, strokeColor: "#00EE00" };
} else {
// You can also just let it inherit the default
return { };
}
},
highlightCallback: function(e) {
console.log("highlighted "+this.id);
},
selectCallback: function(e) {
console.log(this.fields);
}
});
});
}
function initialize() {
map1();
map2();
map3();
map4();
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</body>
</html>