md`# Coronavirus deaths map
## As per number of cases
### As of 14/03/2020
Source: Johns Hopkins University`
chart = {
// create SVG element
var svg = d3.select(DOM.svg(width, height));
// construct the element
svg
.append('path')
.datum(countries)
.attr('d', pathGenerator)
.attr('class', 'country')
.attr('fill', 'gray')
.attr('opacity', 0.3)
.attr('stroke', 'black')
.attr('stroke-width', '0.5');
var circles = svg
.selectAll('path')
.data(LatLngs)
.enter()
.append('circle');
circles
.attr("cx", d => d[2][0])
.attr("cy", d => d[2][1])
.attr('r', d => Math.sqrt(d[3]))
.attr('class', 'circle')
.attr("fill", "#d60f23")
.attr('opacity', 0.4)
.on("mouseover", function(d) {
div
.transition()
.duration(200)
.style("opacity", .9);
div
.html(
"<b>COUNTRY: </b>" +
d[0] +
"<br/><b>REGION: </b>" +
d[1] +
"</br><b>CONFIRMED DEATHS: </b>" +
"1" +
"</br>AS OF 14/03/2020"
)
.style("left", d3.event.pageX + "px")
.style("top", d3.event.pageY - 28 + "px");
})
.on("mouseout", function(d) {
div
.transition()
.duration(500)
.style("opacity", 0);
});
// pass to Observable to draw this block
return svg.node();
}
import { callout } from "@d3/line-chart-with-tooltip"
html`<style>div.tooltip {position: absolute; text-align: left; width: 180px; height: 55px; padding: 15px;font: 14px calibri; background: #d60f23; color: white; border: 2px; border-radius: 8px; pointer-events: none;} </style>`
{
for (var i = 0; i <= factor; i++) {
var LatLngElement = [
datadeaths[i]['Country/Region'],
datadeaths[i]['Province/State'],
projection([parseFloat(dataraw[i].Long), parseFloat(dataraw[i].Lat)]),
datadeaths[i]['3/14/20']
];
LatLngs[i] = LatLngElement;
}
}
div = d3
.select("body")
.append("div")
.attr("class", "tooltip")
.style("opacity", 0)
factor = dataraw.length - 1
format = d => `${d}`
datadeaths = d3.csv(
"https://raw.githubusercontent.com/CSSEGISandData/COVID-19/master/csse_covid_19_data/csse_covid_19_time_series/time_series_19-covid-Deaths.csv"
)
topojson = require("topojson-client@3")
path = d3.geoPath().projection(projection)
pathGenerator = d3.geoPath().projection(projection)
height = 720
projection = d3
.geoMercator()
.scale(150)
.translate([width / 2, height / 1.5])
width = 980
d3 = require("d3@5")
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