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index.html
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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>GDELT Protest Data Over Time</title>
<link rel="shortcut icon" href="http://cartodb.com/favicon/favicon_32x32.ico" />
<link href="http://code.google.com/apis/maps/documentation/javascript/examples/default.css" rel="stylesheet" type="text/css" />
<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css">
<link rel="stylesheet" href="examples/vendor/codemirror.css">
<style>
a.cartodb_logo {
background: url("http://cartodb.s3.amazonaws.com/embed/embed_sprite.png") no-repeat scroll -61px 0 rgba(0, 0, 0, 0);
bottom: 8px;
display: block;
font-size: 0;
height: 27px;
left: 10px;
line-height: 0;
position: absolute;
text-indent: -9999px;
width: 69px;
}
#torque-slider {
position:absolute;
bottom:18px;
right:25px;
width:300px;
}
#torque-pause {
position:absolute;
bottom:12px;
right:345px;
width:28px;
height: 26px;
padding: 1px 2px 2px 2px;
z-index: 1000;
border-radius: 3px;
cursor: pointer;
background-color: white;
background-image: url(img/play.png);
background-repeat:no-repeat;
background-position:center;
}
#torque-pause.playing {
background-color: white; background-image: url(img/pause.png); background-repeat:no-repeat; background-position:center;
}
#torque-time {
position: absolute;
top: 100px;
left: 50%;
color: white;
font-size: 31px;
font-family: Georgia, serif;
}
body, #map_canvas {
height: 100%;
}
</style>
</head>
<body>
<div id="map_canvas"></div>
<textarea id="code"></textarea>
<div id="torque-slider"></div>
<a id="torque-pause" class="playing"></a>
<div id="torque-time"></div>
<a class="cartodb_logo" href="http://www.cartodb.com" target="_blank">CartoDB</a>
<script id="default-style" type="text/torque-cartocss">
#layer {
marker-width: 4;
marker-fill: #FEE391;
[value > 2] { marker-fill: #FEC44F; }
[value > 3] { marker-fill: #FE9929; }
[value > 4] { marker-fill: #EC7014; }
[value > 5] { marker-fill: #CC4C02; }
[value > 6] { marker-fill: #993404; }
[value > 7] { marker-fill: #662506; }
[frame-offset = 1] {
marker-width: 5;
marker-fill-opacity: 0.05;
}
[frame-offset = 2] {
marker-width: 10;
marker-fill-opacity: 0.02;
}
}
</script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript" src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false&v=3.12"></script>
<script src="vendor/leaflet.js"></script>
<script src="vendor/underscore.js"></script>
<script src="vendor/carto.js"></script>
<script src="examples/vendor/codemirror.js"></script>
<script src="examples/vendor/css.js"></script>
<script src="dist/torque.uncompressed.js"></script>
<script type="text/javascript" src="examples/vendor/dat.gui.min.js"></script>
<script type="text/javascript">
var torqueLayer;
var ui;
var state = location.hash ? JSON.parse(atob(location.hash.substring(1))): {};
var DEFAULT_CARTOCSS = state.cartocss || $('#default-style').html();
function init_torque(map, options) {
// init torque layer
torqueLayer = new torque.GMapsTorqueLayer(_.extend({
user : 'johnb30',
table : 'protest_data',
column : 'date',
countby : 'count(count)',
resolution: 8,
steps: 879,
blendmode : 'xor',
animationDuration: 120,
map: map
}, options));
torqueLayer.setMap(map);
torqueLayer.setCartoCSS(DEFAULT_CARTOCSS);
init_slider(torqueLayer);
torqueLayer.on('change:bounds', function(changes) {
var bounds = changes.bounds;
var b = new google.maps.LatLngBounds(
new google.maps.LatLng(
bounds[0][0],
bounds[0][1]
),
new google.maps.LatLng(
bounds[1][0],
bounds[1][1]
)
)
map.fitBounds(b);
});
torqueLayer.play();
}
/**
* inits slider and a small play/pause button
*/
function init_slider(torqueLayer) {
var torqueTime = $('#torque-time');
$("#torque-slider").slider({
min: 0,
max: torqueLayer.options.steps,
value: 0,
step: 1,
slide: function(event, ui){
var step = ui.value;
torqueLayer.setStep(step);
}
});
// each time time changes, move the slider
torqueLayer.on('change:time', function(changes) {
$("#torque-slider" ).slider({ value: changes.step });
var month_year = changes.time.toString().substr(4).split(' ');
torqueTime.text(month_year[0] + " - " + month_year[2]);
});
// play-pause toggle
$("#torque-pause").click(function(){
torqueLayer.toggle();
$(this).toggleClass('playing');
});
};
function initialize() {
// initialise the google map
var map = new google.maps.Map(document.getElementById('map_canvas'), {
center: new google.maps.LatLng(37.82070064677705, -122.42739200592041),
zoom: 13,
mapTypeId: google.maps.MapTypeId.SATELLITE,
mapTypeControl: false,
minZoom: 2
});
// dark map style
var gmaps_style = [{ stylers:[ { invert_lightness: true }, { weight:1 }, { saturation:-100 }, { lightness:-40 } ]
}, {
elementType:"labels",
stylers:[ { visibility:"simplified" } ]
}
];
map.setMapTypeId(google.maps.MapTypeId.ROADMAP);
map.setOptions({ styles: gmaps_style });
init_torque(map, state.options);
}
window.onload = initialize;
</script>
</body>
</html>