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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>hurricane</title>
<meta name="viewport" content="width=device-width, minimum-scale=1, maximum-scale=1">
<meta name="description" content="Displaying storm activity in the Atlantic">
<meta name="author" content="Ryan Westphal">
<link rel="stylesheet" type="text/css" href="css/style.css" />
<style type="text/css">
#map
{
position: fixed;
bottom: 0;
left: 0;
right: 0;
top: 0;
}
#popup
{
background: #fff;
border: solid 1px #444;
border-radius: 8px;
display: none;
padding: 4px;
position: absolute;
opacity: .6;
overflow: hidden;
width: auto;
}
</style>
</head>
<body>
<div id="hurricane">
<div id="map">
<div id="popup">
</div>
</div>
<div class="info">
<a href="../" class="docLink">< docs</a>
<h1>Hurricane tracking</h1>
<p>Displaying a snapshot of storm data extracted from <a href="http://stormpulse.com">stormpulse.com</a></p>
</div>
</div>
<script id="tmplHurricane" type="text/x-jquery-tmpl">
<h2>{{=category}}</h2>
<table>
<tr><th>date</th><td>{{=date}}</td></tr>
<tr><th>accuracy</th><td>{{=accuracy}}/40</td></tr>
<tr><th>eye diameter</th><td>{{=eyeDiameter}}</td></tr>
<tr><th>direction</th><td>{{#if direction}}{{=direction}}°{{/if}}</td></tr>
<tr><th>pressure</th><td>{{=pressure}}</td></tr>
<tr><th>wind radii</th><td>{{=windRadii}}</td></tr>
<tr><th>wind speed</th><td>{{=windSpeed}}</td></tr>
<tr><th>gusts</th><td>{{=gusts}}</td></tr>
</table>
</script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script src="js/iecors.js"></script>
<script src="http://code.jquerygeo.com/jquery.geo-1.0a4.min.js"></script>
<script>
$(function () {
$.template( "hurricane", $( "#tmplHurricane" ) );
var map = $("#map").geomap({
center: [-76.6, 30.4],
zoom: 5,
mode: "find",
cursors: { find: "default" },
move: function (e, geo) {
$("#popup").hide().html("");
var tracks = map.geomap("find", geo, 4);
$.each(tracks, function() {
if (this.type == "Feature") {
$( "#popup" ).append( $.render( this.properties, "hurricane" ) );
var popupLocation = map.geomap( "toPixel", geo.coordinates );
$("#popup").css({
left: popupLocation[ 0 ],
top: popupLocation[ 1 ]
}).css("display", "inline-block");
}
});
}
});
$.ajax({
url: "http://data.jquerygeo.com/hurricane.json",
dataType: "json",
success: function (result) {
var shapeStyle = {
color: "gray",
strokeWidth: "4px"
};
$.each(result.stormData.storms.tracks[0].track, function(i) {
var trackPoint = {
type: "Feature",
geometry: {
type: "Point",
coordinates: [
parseFloat(this[16]),
parseFloat(this[7])
]
},
properties: {
eyeDiameter: this[0],
windRadii: this[1],
category: this[4],
accuracy: this[10] || 0,
direction: this[11],
pressure: this[14],
date: this[15],
gusts: this[17],
windSpeed: this[18]
}
};
if (trackPoint.properties.date != null) {
var dateStr = trackPoint.properties.date.toString(),
year = dateStr.substr(0, 4),
month = dateStr.substr(4, 2),
day = dateStr.substr(6);
trackPoint.properties.date = year + "-" + month + "-" + day;
}
switch (trackPoint.properties.category) {
case "Tropical Storm":
shapeStyle.color = "#eee";
break;
case "Hurricane - Category 1":
shapeStyle.color = "#ff8";
break;
case "Hurricane - Category 2":
shapeStyle.color = "orange";
break;
case "Major Hurricane - Category 3":
shapeStyle.color = "#f88";
break;
default:
shapeStyle.color = "gray";
break;
}
if (trackPoint.properties.accuracy != null) {
var pos = trackPoint.geometry.coordinates,
a = .2 + (40 - trackPoint.properties.accuracy)/40;
shapeStyle.strokeOpacity = trackPoint.properties.accuracy/40;
map.geomap("append", {
type: "Polygon",
coordinates: [[
[pos[0] - a, pos[1] - a],
[pos[0] - a, pos[1] + a],
[pos[0] + a, pos[1] + a],
[pos[0] + a, pos[1] - a],
[pos[0] - a, pos[1] - a]
]]
}, $.extend({}, shapeStyle));
}
map.geomap("append", trackPoint, { color: "#444" });
});
},
error: function (xhr) {
alert("Sorry, we were unable to read the storm data.");
}
});
});
</script>
</body>
</html>
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