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covid.html
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covid.html
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<!DOCTYPE html>
<html>
<style>
#vis {
width: 100%
}
</style>
<head>
<meta charset="utf-8" />
<title>Covid 19 in Czech Republic</title>
<script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/build/global/luxon.min.js"></script>
</head>
<body>
<div id="vis"></div>
<script type="text/javascript">
let current_label_font_size = 40;
let axis_font_size = 30;
let title_font_size = 35;
let horizontal_rule_width = 2;
let cumulative_chart_color = "steelblue";
let increment_chart_color = "red";
let now = luxon.DateTime.local();
let spec = {
"$schema": "https://vega.github.io/schema/vega-lite/v4.json",
"data": {
"url": "https://onemocneni-aktualne.mzcr.cz/api/v2/covid-19/nakazeni-vyleceni-umrti-testy.min.json",
"format": {"type": "json", "property": "data"}
},
"title": {
"text": "Confirmed COVID-19 cases in Czech Republic according to mzcr.cz",
"fontSize": title_font_size
},
"width": "container",
"height": 800,
"encoding": {
"x": {
"field": "datum",
"type": "temporal",
"title": "date",
"axis": {
"titleFontSize": axis_font_size,
"labelFontSize": axis_font_size
}
}
},
"layer": [
{
"selection": {
"at_time": {
"type": "single",
"on": "mouseover",
"encodings": ["x"],
"nearest": true,
"init": {"x": {"year": now.year, "month": now.month, "date": now.date}}
}
},
"mark": "point",
"encoding": {"opacity": {"value": 0}}
},
{
"transform": [{"filter": {"selection": "at_time"}}],
"layer": [
{
"mark": "rule"
},
{
"mark": {
"type": "text",
"align": "center",
"baseline":"bottom",
"fontSize": current_label_font_size,
"dy": -current_label_font_size/2
},
"encoding": {
"y": {"value": 0},
"text": {
"field": "datum",
"type": "temporal"
}
}
}
]
},
{
"encoding": {
"y": {
"field": "kumulativni_pocet_nakazenych",
"type": "quantitative",
"title": "cumulative total confirmed cases",
"axis": {
"titleColor": cumulative_chart_color,
"titleFontSize": axis_font_size,
"labelFontSize": axis_font_size
}
},
"text": {"field": "kumulativni_pocet_nakazenych"},
"color": {"value": cumulative_chart_color}
},
"layer": [
{
"transform": [{"filter": {"selection": "at_time"}}],
"layer": [
{
"mark": {"type": "rule", "strokeWidth": horizontal_rule_width},
"encoding": {"x": null}
},
{
"mark": {
"type": "text",
"align":"right",
"baseline": "bottom",
"fontSize": current_label_font_size
},
"encoding": {
"x": {"aggregate": "max", "field": "datum"}
}
}
]
},
{
"mark": {"type": "area", "opacity": 0.4}
}
]
},
{
"transform": [
{
"window": [
{
"op": "average",
"field": "prirustkovy_pocet_nakazenych",
"as": "new_cases_seven_day_average"
},
{
"op": "ci0",
"field": "prirustkovy_pocet_nakazenych",
"as": "new_cases_seven_day_ci0"
},
{
"op": "ci1",
"field": "prirustkovy_pocet_nakazenych",
"as": "new_cases_seven_day_ci1"
},
],
"frame": [-3, 3]
}
],
"encoding": {
"y": {
"field": "new_cases_seven_day_average",
"type": "quantitative",
"title": "new confirmed cases (7 day average)",
"axis": {
"titleColor": increment_chart_color,
"titleFontSize": axis_font_size,
"labelFontSize": axis_font_size
}
},
"text": {
"field": "new_cases_seven_day_average",
"format": "d",
},
"color": {"value": increment_chart_color}
},
"layer": [
{
"encoding": {
"y": {"field": "new_cases_seven_day_ci0"},
"y2": {"field": "new_cases_seven_day_ci1"},
"tooltip": null
},
"mark": {
"type": "errorband",
"opacity": 0.3,
"color": increment_chart_color,
}
},
{
"mark": {"type": "line", "opacity": 1, "color": increment_chart_color}
},
{
"transform": [{"filter": {"selection": "at_time"}}],
"layer": [
{
"mark": {"type": "rule", "strokeWidth": horizontal_rule_width},
"encoding": {"x": null}
},
{
"mark": {
"type": "text",
"align": "left",
"baseline": "bottom",
"fontSize": current_label_font_size,
"fontWeight": "bold",
"strokeWidth": 1.5,
"stroke": "white",
"strokeOpacity": 0.6,
"strokeOffset": 0.2
},
"encoding": {
"x": {"aggregate": "max", "field": "datum"}
}
}
]
}
]
}
],
"resolve": {"scale": {"y": "independent"}}
};
let embed = () => vegaEmbed('#vis', spec);
setInterval(embed, 3600000);
embed();
</script>
</body>
</html>