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heatmap.html
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heatmap.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="Bo Zhao">
<title>COVID-19 HeatMap (Beta)</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.5.1/dist/leaflet.css" />
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/all.css">
<link href="https://fonts.googleapis.com/css?family=Titillium+Web" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Oswald&display=swap" rel="stylesheet">
<link href="https://cdnjs.cloudflare.com/ajax/libs/c3/0.6.14/c3.min.css" rel="stylesheet">
<link rel="stylesheet" href="css/heatmap.css">
<!-- <link rel="stylesheet" href="css/jqcloud.css"> -->
<link rel="icon" href="img/favicon.ico" type="image/x-icon" />
<script src="js/d3.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/c3/0.6.14/c3.min.js"></script>
<script src="https://unpkg.com/leaflet@1.5.1/dist/leaflet.js"></script>
<script src="js/leaflet.heat.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/chroma-js/1.3.4/chroma.min.js"></script>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<header>
<div class="collapse bg-dark" id="navbarHeader">
<div class="container-fluid">
<div class="row">
<div class="col-sm-8 col-md-7 py-4">
<h4 class="text-white">About</h4>
</div>
<div class="col-sm-4 offset-md-1 py-4">
<h4 class="text-white">Contact</h4>
<ul class="list-unstyled">
<li><a href="#" class="text-white">Follow on Twitter</a></li>
<li><a href="#" class="text-white">Like on Facebook</a></li>
<li><a href="#" class="text-white">Email me</a></li>
</ul>
</div>
</div>
<div class="navbar-expand-md navbar-dark bg-dark shadow-sm">
</div>
</div>
</div>
<div class="navbar navbar-dark bg-dark shadow-sm">
<div class="container-fluid d-flex justify-content-between">
<a href="heatmap.html" class="navbar-brand d-flex align-items-center">
<!-- <img src="img/logo.png" class="img-responsive" height="30"></img> -->
<strong> COVID-19 HeatMap (beta) </strong>
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarHeader" aria-controls="navbarHeader" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
</div>
</div>
</header>
<main>
<div class="loader"></div>
<div id="upper_panel" class="d-flex align-items-start flex-column">
<p><span id="year">COVID-19 </span> <span id="hint"> Hover on the dot to see the heat map of day. </span> </p>
<div id="timeline-chart"></div>
</div>
</div>
<div id="map"></div>
</main>
<script>
$(window).ready(function() {
$('.loader').fadeOut("slow");
});
var mymap = L.map('map', {
center: [37.609, -100],
zoomControl: false,
zoom: 5,
maxZoom: 18,
minZoom: 2
});
new L.Control.Zoom({
position: 'topright'
}).addTo(mymap);
// var dark = L.tileLayer('http://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}@2x.png').addTo(mymap);
var grayscale = L.tileLayer('http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png').addTo(mymap);
var streets = L.tileLayer('http://{s}.basemaps.cartocdn.com/rastertiles/voyager_nolabels/{z}/{x}/{y}@2x.png');
var satellite = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}@2x');
var baseLayers = {
// 'Dark': dark,
'Grayscale': grayscale,
'Streets': streets,
'Satellite': satellite
}
var Group = L.layerGroup().addTo(mymap);
var mLayers, wLayers;
var chart, fChart;
var heatmapFlag = false;
var colorscheme = chroma.scale('OrRd').colors(10).reverse(); //colorscheme = chroma.scale('OrRd').colors(5);
var Heatmap = L.heatLayer([], {
minOpacity: 0.35,
// max: 10,
// radius: 12,
// blur: 10,
// gradient: {
// 0.1: "rgb(0,0,255)",
// 0.15: "rgb(0,255,255)",
// 0.16: "rgb(0,255,0)",
// 0.20: "rgb(255,255,0)",
// 0.30: "rgb(255,0,0)"
// }
}).addTo(mymap);
var dates = {}
Promise.all([d3.csv("assets/cases-heatmap.csv")]).then(function(datasets) {
datasets[0].forEach(function(d) {
if (dates[d.date] == undefined) {
dates[d.date] = [
[d.lat, d.lng]
]
} else {
dates[d.date].push([d.lat, d.lng]);
}
})
var t = ["t"],
pop = ["# of Cases"];
Object.keys(dates).forEach(function(d) {
t.push(new Date(d));
pop.push(dates[d].length);
});
var a = 3;
chart = c3.generate({
size: {
height: 80,
width: 700
},
data: {
x: "t",
columns: [t, pop],
onmouseover: update,
type: 'line',
// labels: false,
colors: {
"# of Cases": 'rgba(0, 40, 255, .6)'
}
},
axis: {
x: {
type: "timeseries",
tick: {
format: "%b %d",
centered: true,
fit: true,
count: 8
}
},
y: {
label: {
text: 'Cases',
position: 'inner-middle'
},
min: 0,
padding: {
bottom: 0
},
// tick: {
// format: d3locale.format(",")
// },
type: 'linear'
}
},
area: {
zerobased: true
},
tooltip: {
show: true
},
legend: {
show: false
},
point: {
r: 5,
focus: {
expand: {
r: 10
}
}
},
bindto: "#timeline-chart"
});
function update(d) {
$("#year").text(d.x.toLocaleDateString());
Heatmap.setLatLngs([]);
datasets[0].forEach(function(r) {
if ((new Date(r.date).toLocaleDateString()) == (new Date(d.x)).toLocaleDateString()) {
Heatmap.addLatLng(new L.latLng(r.lat, r.lng));
}
})
}
$("#year").text("3/21/2020");
datasets[0].forEach(function(r) {
if ((new Date(r.date).toLocaleDateString()) == (new Date("3/21/2020")).toLocaleDateString()) {
Heatmap.addLatLng(new L.latLng(r.lat, r.lng));
}
})
});
$(".leaflet-control-attribution")
.css("bottom", "60px")
// .css("right", "120px")
// .css("font-size", "14px")
.css("background-color", "transparent")
.html("");
</script>
</body>
</html>