2012-05-17 07:33:56 +08:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
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<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
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2012-09-27 07:20:08 +08:00
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<title>CartoDB + Time</title>
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2012-05-17 07:33:56 +08:00
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<link rel="shortcut icon" href="http://cartodb.com/favicon/favicon_32x32.ico" />
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<link href="http://code.google.com/apis/maps/documentation/javascript/examples/default.css" rel="stylesheet" type="text/css" />
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2013-09-28 00:55:57 +08:00
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<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css">
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<style>
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#torque-slider {
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position:absolute;
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bottom:18px;
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right:25px;
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width:300px;
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}
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#torque-pause {
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position:absolute;
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bottom:12px;
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right:345px;
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width:28px;
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height: 26px;
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padding: 1px 2px 2px 2px;
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z-index: 1000;
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border-radius: 3px;
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cursor: pointer;
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background-color: white;
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background-image: url(../img/play.png);
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background-repeat:no-repeat;
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background-position:center;
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}
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#torque-pause.playing {
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2013-09-30 19:31:21 +08:00
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background-color: white; background-image: url(img/pause.png); background-repeat:no-repeat; background-position:center;
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2013-09-28 00:55:57 +08:00
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}
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#torque-time {
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position: absolute;
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top: 100px;
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left: 50%;
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color: white;
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font-size: 31px;
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font-family: Georgia, serif;
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}
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</style>
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</head>
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<body>
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<div id="map_canvas"></div>
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<div id="torque-slider"></div>
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<a id="torque-pause" class="playing"></a>
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<div id="torque-time"></div>
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<a class="cartodb_logo" href="http://www.cartodb.com" target="_blank">CartoDB</a>
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2012-09-27 07:20:08 +08:00
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<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
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<script type="text/javascript" src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
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2012-05-17 07:33:56 +08:00
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<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
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2013-09-28 00:55:57 +08:00
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<script src="vendor/leaflet.js"></script>
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<script src="vendor/underscore.js"></script>
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<script src="vendor/carto.js"></script>
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<script src="dist/torque.uncompressed.js"></script>
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2012-10-01 07:41:39 +08:00
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2013-09-28 00:55:57 +08:00
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<script type="text/javascript" src="examples/vendor/dat.gui.min.js"></script>
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2012-10-01 07:33:17 +08:00
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2013-09-28 00:55:57 +08:00
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<script type="text/javascript">
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var torqueLayer;
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var ui;
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function init_torque(map, options) {
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// init torque layer
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torqueLayer = new torque.GMapsTorqueLayer(_.extend({
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user : 'viz2',
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table : 'ow',
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column : 'date',
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countby : 'count(cartodb_id)',
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resolution: 1,
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is_time: true,
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steps: 800,
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blendmode : 'lighter',
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animationDuration: 30,
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map: map
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}, options));
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2012-10-01 07:33:17 +08:00
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2013-09-28 00:55:57 +08:00
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var DEFAULT_CARTOCSS = [
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'#layer {',
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" marker-width: 3; ",
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' marker-fill: #FEE391; ',
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' [value > 2] { marker-fill: #FEC44F; }',
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' [value > 3] { marker-fill: #FE9929; }',
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' [value > 4] { marker-fill: #EC7014; }',
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' [value > 5] { marker-fill: #CC4C02; }',
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' [value > 6] { marker-fill: #993404; }',
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' [value > 7] { marker-fill: #662506; }',
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' [frame-offset = 1] { marker-width: 8;marker-fill-opacity: 0.05;}',
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' [frame-offset = 2] { marker-width: 20;marker-fill-opacity: 0.02;}',
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//' [frame-offset = 1] { marker-width: 25;marker-fill-opacity: 0.01;}',
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'}'
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].join('\n');
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torqueLayer.setMap(map);
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torqueLayer.setCartoCSS(DEFAULT_CARTOCSS);
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2012-05-17 07:33:56 +08:00
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2013-09-28 00:55:57 +08:00
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init_slider(torqueLayer);
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init_ui(map, torqueLayer);
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2013-09-30 19:31:21 +08:00
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torqueLayer.on('change:bounds', function(changes) {
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var bounds = changes.bounds;
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var b = new google.maps.LatLngBounds(
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new google.maps.LatLng(
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bounds[0][0],
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bounds[0][1]
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),
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new google.maps.LatLng(
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bounds[1][0],
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bounds[1][1]
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)
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)
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map.fitBounds(b);
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});
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2013-09-28 00:55:57 +08:00
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torqueLayer.play();
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2012-10-01 07:33:17 +08:00
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}
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2013-09-28 00:55:57 +08:00
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function init_ui(map, torqueLayer) {
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var TorqueOptions = _.clone(torqueLayer.options);
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dat.GUI.DEFAULT_WIDTH = 300;
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if (ui) {
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ui.destroy();
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ui = null;
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}
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ui = new dat.GUI();
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ui.add(TorqueOptions, 'user')
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ui.add(TorqueOptions, 'table')
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ui.add(TorqueOptions, 'column')
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ui.add(TorqueOptions, 'is_time')
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ui.add(TorqueOptions, 'resolution', [1, 2, 4, 8, 16, 32])
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ui.add(TorqueOptions, 'steps', 10, 1024).listen()
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ui.add(TorqueOptions, 'animationDuration', 5, 120);
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//ui.add(TorqueOptions, 'blendmode', blend_modes);
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ui.add({
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update: function() {
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if (torqueLayer) {
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torqueLayer.setMap(null);
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torqueLayer.off('change:time');
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torqueLayer.off('change:bounds');
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torqueLayer = null;
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}
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init_torque(map, TorqueOptions);
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}
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}, 'update');
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}
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/**
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* inits slider and a small play/pause button
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*/
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function init_slider(torqueLayer) {
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var torqueTime = $('#torque-time');
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$("#torque-slider").slider({
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min: 0,
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max: torqueLayer.options.steps,
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value: 0,
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step: 1,
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slide: function(event, ui){
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var step = ui.value;
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torqueLayer.setStep(step);
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}
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});
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// each time time changes, move the slider
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torqueLayer.on('change:time', function(changes) {
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$("#torque-slider" ).slider({ value: changes.step });
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var month_year = changes.time.toString().substr(4).split(' ');
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torqueTime.text(month_year[0] + " - " + month_year[2]);
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2012-10-01 07:41:39 +08:00
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});
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2013-09-28 00:55:57 +08:00
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// play-pause toggle
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$("#torque-pause").click(function(){
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torqueLayer.toggle();
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$(this).toggleClass('playing');
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});
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};
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2012-10-01 07:41:39 +08:00
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2013-09-28 00:55:57 +08:00
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function initialize() {
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2012-10-01 07:41:39 +08:00
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2013-09-28 00:55:57 +08:00
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// initialise the google map
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var map = new google.maps.Map(document.getElementById('map_canvas'), {
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center: new google.maps.LatLng(37.82070064677705, -122.42739200592041),
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zoom: 13,
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mapTypeId: google.maps.MapTypeId.SATELLITE,
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mapTypeControl: false,
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minZoom: 2
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2013-09-28 00:55:57 +08:00
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});
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2012-10-01 07:41:39 +08:00
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2013-09-28 00:55:57 +08:00
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// dark map style
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var gmaps_style = [{ stylers:[ { invert_lightness: true }, { weight:1 }, { saturation:-100 }, { lightness:-40 } ]
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}, {
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elementType:"labels",
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stylers:[ { visibility:"simplified" } ]
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2012-10-01 07:33:17 +08:00
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}
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2013-09-28 00:55:57 +08:00
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];
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map.setMapTypeId(google.maps.MapTypeId.ROADMAP);
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map.setOptions({ styles: gmaps_style });
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2012-10-01 07:41:39 +08:00
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2013-09-28 00:55:57 +08:00
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init_torque(map);
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2012-10-01 07:41:39 +08:00
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2012-10-01 07:33:17 +08:00
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}
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2013-09-28 00:55:57 +08:00
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window.onload = initialize;
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2012-05-17 07:33:56 +08:00
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</script>
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2013-09-28 00:55:57 +08:00
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</body>
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2013-05-15 00:13:24 +08:00
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</html>
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