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fbm.html
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<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css" />
<script src="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="WebGLTextureOverlay.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/proj4js/2.3.3/proj4.js"></script>
<script src="lib/jickle.js"></script>
<style>
html,body{
height: 100%;
width: 100%;
overflow: hidden;
margin: 0;
padding: 0;
}
#map{
height: 100%;
width: 100%;
}
canvas.leaflet-heatmap-layer{
position: absolute;
top: 0px;
left: 0px;
}
</style>
<script>
$.getJICKLE = function(path, onload){
var xhr = new XMLHttpRequest();
xhr.open('GET', path, true);
xhr.responseType = 'arraybuffer';
xhr.onload = function(){
onload(JICKLE.parse(xhr.response));
};
xhr.send();
}
$(function(){
var map = L.map('map').setView([59.984134,-119.960313], 6);
//var map = L.map('map').setView([52,-85], 6);
L.tileLayer('http://otile{s}.mqcdn.com/tiles/1.0.0/map/{z}/{x}/{y}.jpg', {
subdomains: '1234'
}).addTo(map);
var overlay = L.webglTextureOverlay()
.addTo(map);
var intensityLayer = overlay.addLayer();
// interpolation handling
var setInterpolation = function(){
intensityLayer.setInterpolation(interpolationSelect.val());
};
var interpolationSelect = $('<select></select>')
.appendTo('body')
.css({position:'absolute', top:50, right:10})
.change(setInterpolation);
for(var i=0; i<overlay.interpolations.length; i++){
var interpolation = overlay.interpolations[i];
$('<option></option>')
.text(interpolation)
.appendTo(interpolationSelect);
}
setInterpolation();
// fade function handling
var setFadeFun = function(){
intensityLayer.setFadeFun(fadeFunSelect.val(), {
spatialFrequency: parseFloat(spatialFrequency.val()),
timeFrequency: parseFloat(timeFrequency.val()),
amplitude: parseFloat(amplitude.val()),
attack: parseFloat(attack.val()),
spatialLacunarity: parseFloat(spatialLacunarity.val()),
timeLacunarity: parseFloat(timeLacunarity.val()),
gain: parseFloat(gain.val())
});
};
var fadeFunSelect = $('<select></select>')
.appendTo('body')
.css({position:'absolute', top:110, right:10})
.change(setFadeFun);
for(var i=0; i<overlay.fades.length; i++){
var fadeFunction = overlay.fades[i];
$('<option></option>')
.text(fadeFunction)
.appendTo(fadeFunSelect);
}
var spatialFrequency = $('<input type="range" min="0.5" max="20" value="5" step="0.01"></input>')
.appendTo('body')
.css({position:'absolute', top:130, right:10, width:300})
.bind('input', setFadeFun);
var timeFrequency = $('<input type="range" min="1.0" max="50" value="8" step="0.01"></input>')
.appendTo('body')
.css({position:'absolute', top:150, right:10, width:300})
.bind('input', setFadeFun);
var amplitude = $('<input type="range" min="0.5" max="10" value="1.5" step="0.01"></input>')
.appendTo('body')
.css({position:'absolute', top:170, right:10, width:300})
.bind('input', setFadeFun);
var attack = $('<input type="range" min="0" max="0.5" value="0.25" step="0.01"></input>')
.appendTo('body')
.css({position:'absolute', top:190, right:10, width:300})
.bind('input', setFadeFun);
var spatialLacunarity = $('<input type="range" min="0" max="4.0" value="2.0" step="0.01"></input>')
.appendTo('body')
.css({position:'absolute', top:220, right:10, width:300})
.bind('input', setFadeFun);
var timeLacunarity = $('<input type="range" min="0" max="4.0" value="1.0" step="0.01"></input>')
.appendTo('body')
.css({position:'absolute', top:250, right:10, width:300})
.bind('input', setFadeFun);
var gain = $('<input type="range" min="0" max="2.0" value="0.5" step="0.01"></input>')
.appendTo('body')
.css({position:'absolute', top:280, right:10, width:300})
.bind('input', setFadeFun);
setFadeFun();
// fade factor handling
var setTime = function(){
var t = parseFloat(time.val());
intensityLayer.setTime(t);
}
var time = $('<input type="range" min="1900" max="2060" value="1900" step="0.01"></input>')
.appendTo('body')
.css({position:'absolute', top:80, right:10, width:300})
.bind('input', setTime);
setTime()
// data handling
$.getJSON('data/colors.json', function(colors){
var setColor = function(){
intensityLayer.setColormap(colors[colorSelect.val()]);
};
var colorSelect = $('<select></select>')
.appendTo('body')
.css({position:'absolute', top:10, right:10})
.change(setColor);
for(name in colors){
var option = $('<option></option>')
.text(name)
.appendTo(colorSelect);
}
setColor();
var setData = function(){
var dataName = dataSelect.val();
var dataPath = 'data/' + dataName + '.jickle';
$.getJICKLE(dataPath, function(data){
intensityLayer.setData({
width: data.width,
height: data.height,
bitmaps: data.bitmaps,
projection: data.projection,
bounds: {
left: data.left,
right: data.right,
top: data.top,
bottom: data.bottom
}
});
});
};
var dataSelect = $('<select></select>')
.appendTo('body')
.css({position:'absolute', top:30, right:10})
.change(setData);
$('<option></option>')
.text('annual-precipitation-video')
.appendTo(dataSelect)
$('<option></option>')
.text('human-population-video')
.appendTo(dataSelect)
setData();
});
});
</script>
</head>
<body>
<div id="map"></div>
</body>
</html>