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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>FARSEER Barcelona</title>
<!--SOME CUSTOM CSS-->
<style>
#mapid{
position: absolute;
top: 55px;
bottom: 0;
width: 100%;
}
#legend {
color: #dddddd;
font-size:small;
}
#legend-colorbar {
background: linear-gradient(to bottom, #9e0142, #d53e4f, #f46d43, #fdae61, #fee08b, #ffffbf, #e6f598, #abdda4, #66c2a5, #3288bd, #5e4fa2);
height: 300px;
width:25px;
}
.navbar {
z-index: 10001;
}
</style>
<link rel="stylesheet" href="css/leaflet.css"/>
<!-- Make sure you put this AFTER Leaflet's CSS -->
<script src="js/leaflet.js"></script>
<!--bootstrap-->
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BmbxuPwQa2lc/FVzBcNJ7UAyJxM6wuqIj61tLrc4wSX0szH/Ev+nYRRuWlolflfl" crossorigin="anonymous">
<link rel="stylesheet" href="css/datepicker.css"/>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="#">FARSEER Barcelona</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav me-auto mb-2 mb-lg-0">
<li class="nav-item">
<a class="nav-link active" aria-current="page" href="class=""">Risk Map</a>
</li>
<li class="nav-item">
<a class="nav-link" href="time_profiles.html">Time Profiles</a>
</li>
</ul>
</div>
</div>
</nav>
<div class="container" style="z-index:10000; position: absolute; right: 20px; width: 200px;">
<div class="row">
<p> <span id="cast_type" class="badge bg-success"style="width: 100px;">Nowcast</span> </p>
<div class="input-group date" data-provide="datepicker" data-date-end-date="+6d" id="datepicker_id">
<input type="text" class="form-control" value="Select Date">
<div class="input-group-addon">
<span class="glyphicon glyphicon-th"></span>
</div>
</div>
</div>
</div>
<div id="legend">
<div class="container" style="z-index:10000; position: absolute; bottom: 20px; right: 20px; width: 25px;">
<div class="row">
<div class="col-sm">
<span>VRI</span>
<div id="legend-colorbar">
</div>
</div>
</div>
</div>
<div class="container" style="z-index:10000; position: absolute; bottom: 15px; right: 42px; width: 5px">
<span>0.0</span>
</div>
<div class="container" style="z-index:10000; position: absolute; bottom: 305px; right: 42px; width: 5px;">
<span>0.3</span>
</div>
</div>
<div class="container-fluid">
<div class="row">
<div id="mapid"></div>
</div>
</div>
<!-- Date picker -->
<script src="js/jquery-1.12.4.js"></script>
<script src="js/bootstrap-datepicker.min.js"></script>
<script src="js/georaster.browser.bundle.min.js"></script>
<script src="js/georaster-layer-for-leaflet.browserify.min.js"></script>
<script src="js/chroma.min.js"></script>
<script type="text/javascript">
// function clamped_scale(v) { return v < 1 ? '#00000000' : chroma.scale(v); }
var mymap = L.map('mapid').setView([41.3851, 2.1734], 11);
L.tileLayer('https://api.mapbox.com/styles/v1/{id}/tiles/{z}/{x}/{y}?access_token={accessToken}', {
attribution: 'Map data © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, Imagery © <a href="https://www.mapbox.com/">Mapbox</a>',
maxZoom: 19,
id: 'johnrbpalmer/cklcc4q673pe517k4n5co81sn',
tileSize: 512,
zoomOffset: -1,
accessToken: 'pk.eyJ1Ijoiam9obnJicGFsbWVyIiwiYSI6ImFRTXhoaHcifQ.UwIptK0Is5dJdN8q-1djww'
}).addTo(mymap);
</script>
<!--bootstrap-->
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-b5kHyXgcpbZJO/tY9Ul7kGkf1S0CWuKcCD38l8YkeH8z8QjE0GmW1gYU5S9FOnJ0" crossorigin="anonymous"></script>
<script>
const max_vri = .5 // setting max for color scale. May need to revisit this later
function add_layer(a_date, remove_layer){
if(remove_layer == true){
mymap.removeLayer(layerGeo);
}
var url_to_geotiff_file = "data/vri" + a_date + ".tif";
fetch(url_to_geotiff_file)
.then(response => response.arrayBuffer())
.then(arrayBuffer => {
parseGeoraster(arrayBuffer).then(georaster => {
// available color scales can be found by running console.log(chroma.brewer);
var scale = chroma.scale("Spectral").domain([1,0]);
layerGeo = new GeoRasterLayer({
georaster: georaster,
opacity: 1,
pixelValuesToColorFn: function(pixelValues) {
var pixelValue = pixelValues[0]; // there's just one band in this raster
// if there's a negative value
if (pixelValue < 0) return null;
//Making 0.3 the max
var scaledPixelValue = Math.min(pixelValue, max_vri) / max_vri;
var color = scale(scaledPixelValue).hex();
return color;
},
resolution: 256
});
// console.log("layer:", layer);
layerGeo.addTo(mymap);
});
});
}
$.fn.datepicker.defaults.autoclose = true;
var layerGeo;
$(document).ready(function() {
var date_today = new Date();
var date_today_fmt = date_today.getFullYear() + '-' + (1+date_today.getMonth()).toString().padStart(2, '0') + '-' + date_today.getDate().toString().padStart(2, '0');
add_layer(date_today_fmt, false);
$('#datepicker_id').datepicker({
format: 'dd/mm/yyyy',
todayHighlight: true,
})
.on('changeDate', function(e) {
var this_date = e.format('yyyy-mm-dd');
var this_date_fmt = e.date.getFullYear() + '-' + (1+e.date.getMonth()).toString().padStart(2, '0') + '-' + e.date.getDate().toString().padStart(2, '0');
if(e.date>date_today){
$("#cast_type").text("Forecast").removeClass().addClass("badge bg-warning text-dark");
};
if(e.date<date_today){
$("#cast_type").text("Historical").removeClass().addClass("badge bg-primary");
};
if(this_date_fmt.localeCompare(date_today_fmt) == 0){
$("#cast_type").text("Nowcast").removeClass().addClass("badge bg-success");
};
add_layer(this_date, true);
});
});
</script>
</body>
</html>