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index.html
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index.html
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<!DOCTYPE html>
<html lang="de" id="top">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta content="width=device-width, initial-scale=1.0" name="viewport">
<title>Risikogebiete Deutschland</title>
<meta name="description" content="Risikogebiete Deutschland: Deutschland Karte der Covid-19-Inzidenzen, aufgeschlüsselt nach Altersgruppen, Landkreisen, und Datum." />
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate"/>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="expires" content="-1">
<!-- Bootstrap CSS -->
<link href="assets/css/bootstrap/bootstrap.min.css" rel="stylesheet">
<!-- Master CSS -->
<link href="assets/css/main.css" rel="stylesheet">
<!-- Projection -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/proj4js/2.5.0/proj4.js"></script>
<!-- D3 js-->
<script src="https://d3js.org/d3.v7.min.js"></script>
<!-- HDF5 js-->
<script src="https://cdn.jsdelivr.net/npm/jsfive@0.3.7/dist/hdf5.js"></script>
<!-- Own utils-->
<script src="assets/js/utils.js"></script>
</head>
<body>
<!-- Spinning loader -->
<div id="loader" class="center"></div>
<!-- Element for the map-->
<div id="map__container" style="width: 100%; height:100vh; margin: auto;" align="center"></div>
<!-- Slider for iterating days-->
<div id="inputs" style="width: max-content;">
<div class="accordion active" collapsed-header="Selektion">
<h5>Altersgruppen</h5> <img class="pm" style="height: 1em; margin: auto 3px auto 3px;"src="assets/img/minus.png" alt="">
</div>
<div class="panel">
<ul>
<li class="radio-inline"><input id="total" type="radio" name="optradio" checked="">Alle</li>
<li class="radio-inline"><input id="A00-A04" type="radio" name="optradio"><label for="A00-A04">A00-A04</label></li>
<li class="radio-inline"><input id="A05-A14" type="radio" name="optradio"><label for="A05-A14">A05-A14</label></li>
<li class="radio-inline"><input id="A15-A34" type="radio" name="optradio"><label for="A15-A34">A15-A34</label></li>
<li class="radio-inline"><input id="A35-A59" type="radio" name="optradio"><label for="A35-A59">A35-A59</label></li>
<li class="radio-inline"><input id="A60-A79" type="radio" name="optradio"><label for="A60-A79">A60-A79</label></li>
<li class="radio-inline"><input id="A80+" type="radio" name="optradio"><label for="A80+">A80+</label></li>
</ul>
<input type="checkbox" id="change_color" style="border-radius: 0px;"><label for="change_color">Alte Farben</label>
<hr style="margin-top: 0.25em; margin-bottom: 0.25em;">
<h5>Datum</h5>
<input type="range" step="86400" style="display: inline-block;" id="slider_days">
<div id="date"></div>
<hr style="margin-top: 0.25em; margin-bottom: 0.25em;">
<a href="./legacy.html">Alte Website</a><br>
<a href="https://github.com/semohr/risikogebiete_deutschland">Source-code & Daten</a>
</div>
</div>
<div id="legend" style="width max-content;">
<div class="accordion active" collapsed-header="Legende">
<h5>Fälle/100.000 EW<br>in der jeweiligen<br>Altersgruppe</h5> <img class="pm" style="height: 1em; margin: auto 3px auto 3px;"src="assets/img/minus.png" alt="">
</div>
<div id="legend-items" class="grid-container panel">
</div>
</div>
</body>
<script>
/* ------------------------------------------------------------
* Global variables
* ------------------------------------------------------------ */
// Colormap
var classes = [25,50,100,200,500,1000,2000,3000]
var colors = ['#15b01a', '#f0f921', '#fdb42f', '#ed7953', '#cb4679', '#9c179e', '#5c01a6',"#0d0887"];
var old_colors = ["#15b01a","#fac205","#f97c0e","#c50000","#8c53d1","#4d00fe","#1f00cc","#00009c","#303030"];
var color = d3.scaleLinear()
.domain(classes)
.range(colors);
// Add colorbar and annotations to legend
window.addEventListener("DOMContentLoaded", function() {
add_colorbar_and_annotations("legend-items", colors, classes);
});
// Data
var svg, strides, incidence, weekly_cases, index, geojson, date, dt_idx, path;
var age_group = "total";
var formatDate = d3.timeFormat("%d.%m.%g");
var age_groups = ["A00-A04","A05-A14","A15-A34","A35-A59","A60-A79","A80+"];
// Setup tooltip div
var tooltip = d3.select("#map__container")
.append("div")
.style("visibility", "hidden")
.attr("class", "data_tooltip")
.html("");
/* Draw the map to an div container with id "map__container"
*/
function setup_svgmap(){
// Get window size
let height = window.innerHeight;
var width = window.innerWidth;
// Create svg inside map container
svg = d3
.select("#map__container")
.append("svg")
.style("display", "block")
.attr("width", width)
.attr("height", height);
// Define identity projection
// Own projection is done beforehand (see data loading)
let padding = 10;
var projection = d3.geoIdentity().reflectY(true).fitHeight(height-padding*2,geojson);
let translate = projection.translate();
projection.translate([translate[0], translate[1] + padding]);
path = d3.geoPath(projection);
// Draw the map as svg
let map = svg.append("g")
map.selectAll("path")
.data(geojson.features)
.enter()
.append("path")
.attr("d",path)
.attr("fill", "white")
.attr("stroke", "gray")
.attr("stroke-width","0.8")
.on("mouseover",mouseoverHandler)
.on("mouseout",mouseoutHandler)
.on("mousemove",mousemoveHandler)
// Select initial data
dates = Object.keys(index.date)
start = dates[0]
end = dates[dates.length - 1]
d3.select("#slider_days").attr('min', start).attr('max',end).property("value",end).dispatch("input");
// Setup inputs to trigger transitions
var inputs = document.querySelectorAll("input[type='radio']")
for (input of inputs){
input.onclick = function(e){
age_group = e.target.id;
triggerTransition();
}
}
//Set viewbox
svg.attr("viewBox", [0-width/2+svg.node().getBBox().width/2,0,width,height])
// Set zoom handler
const handleZoom = (e) => map.attr('transform', e.transform);
const zoom = d3.zoom().on('zoom', handleZoom);
zoom
.scaleExtent([0.5, 8])
.extent([[0, 0], [width, height]]);
d3.select('svg').call(zoom);
// Change color to selected box
onclick_color_change();
}
function mouseoverHandler(d){
let this_ele = d3.select(this)
// Save old color
this_ele.attr("old_color",this_ele.attr("fill"));
// Change color to lighter hue
this_ele.attr("fill",pSBC(0.3,this_ele.attr("old_color")));
tooltip.interrupt();
tooltip.style("visibility", "visible");
tooltip.html(tooltipText(this));
}
function mouseoutHandler(d){
// Restore old color
d3.select(this).attr("fill",d3.select(this).attr("old_color"));
tooltip.transition().delay(1000).style("visibility", "hidden");
}
function mousemoveHandler(d){
r = tooltip.node().getBoundingClientRect();
tooltip.style("left", (svg.node().getBoundingClientRect().left+d3.pointer(d,window)[0])+"px")
.style("top", (Math.max(svg.node().getBoundingClientRect().top+d3.pointer(d,window)[1]-r.height,0))+"px");
}
function tooltipText(element){
str = `
<h5> ${element.__data__.properties["BEZ"]} ${element.__data__.properties["GEN"]} </h5>
<span style="display:flex;">${formatDate(date*1000)}</span>
<hr style="margin:0">
<table>
<tr>
<th style="text-align: left; padding-right:10px;">Altersgruppe</th>
<th style="text-align: right;padding-left: 10px">Fälle der letzte Woche</th>
<th style="text-align: right;padding-left: 10px">pro 100.000 EW</th>
</tr>
`;
lk_idx = index["IdLandkreis"][parseInt(element.__data__.properties.AGS)]
ag_idx = index["Altersgruppe"]["total"];
i = dt_idx * strides[0] + lk_idx * strides[1] + ag_idx * strides[2];
str +=`
<tr>
<td>Alle</td>
<td style="text-align: right;">${weekly_cases[i]}</td>
<td style="text-align: right;">${incidence[i].toFixed(0)}</td>
</tr>
`;
for (a of age_groups) {
ag_idx = index["Altersgruppe"][a];
i = dt_idx * strides[0] + lk_idx * strides[1] + ag_idx * strides[2];
str +=`
<tr>
<td>${a}</td>
<td style="text-align: right;">${weekly_cases[i]}</td>
<td style="text-align: right;">${incidence[i].toFixed(0)}</td>
</tr>
`;
}
str += "</table>";
return str;
}
/* Update geojsons data for timeseries plotting
*/
function update_geojson(date, age_group){
dt_idx = index["date"][date];
ag_idx = index["Altersgruppe"][age_group];
i = dt_idx*strides[0]+ag_idx*strides[2]
geojson.features.forEach(el => {
const linkedData = incidence[index["IdLandkreis"][parseInt(el.properties.AGS)]*strides[1]+i];
el.properties.index_data = linkedData;
});
}
function triggerTransition(){
update_geojson(date,age_group);
d3.select("#date").html(formatDate(date*1000));
let test = d3.select("svg")
.selectAll("path")
.attr("fill", d => {
return color(d.properties.index_data)
});
}
//Add event to slider
document.getElementById("slider_days").addEventListener("input", throttle(function() {
date = document.getElementById("slider_days").value;
triggerTransition();
},0));
function change_color(co,cl){
color = d3.scaleLinear()
.domain(cl)
.range(co);
// Update legend
var linearGradient = d3.select("#linear-gradient");
//Set the color for the start (0%)
linearGradient.selectAll("stop")
.data(co)
.attr("offset",(d,i)=>{
return i/co.length*100 + 1/co.length*50+"%";
})
.attr("stop-color",d=>{return d});
triggerTransition();
}
function onclick_color_change(){
var input = document.getElementById("change_color");
if (input.checked){
change_color(old_colors,classes)
}
else{
change_color(colors,classes)
}
}
//Add event to recolor
document.getElementById("change_color").addEventListener("click",onclick_color_change)
// Load geojson file and fetch timeseries
Promise.all([
d3.json("assets/data/landkreise_edited.geojson")
.then((r)=>{
// Own projection
project(
r,
'+proj=merc +lat_1=33 +lat_2=45 +lat_0=0 +lon_0=0'
);
return r
}),
d3.json("assets/data/array_index.json")
.then((r)=>{
index = r;
return index
}),
fetch("assets/data/timeseries_nd.hdf5")
.then((r)=>{
return r.arrayBuffer()
})
.then((r)=>{
return new hdf5.File(r)
})
.then((f)=>{
incidence = f.get('data/incidence').value;
weekly_cases = f.get('data/weekly_cases').value;
strides = []
s = 1
f.get('data/incidence').shape.reverse().forEach(function(item) {strides.push(s);s=s*item;});
strides = strides.reverse();
})
]).then((data)=>{
// Plotting setup
geojson = data[0];
setup_svgmap();
document.getElementById("loader").style.display = "none";
//Get active age group
document.querySelectorAll("input[type='radio']:checked")[0].click();
});
window.addEventListener("resize", function(){
let width_container = document.getElementById("map__container").clientWidth;
let height_container = document.getElementById("map__container").clientHeight;
d3.select("svg")
.attr("width",width_container)
.attr("height",(d) => height_container);
});
</script>
</html>