An independent, student-run news organization serving the Brown University community since 1891.
Public
Edited
Aug 10, 2020
lastUpdated = md`**Stats last updated ${stats
.get('date')
.toLocaleDateString()}**`
casesGraph = {
const svg = d3
.create('svg')
.attr('viewBox', [0, 0, 460, 630])
.style('width', '400px');
svg
.append('g')
.attr('transform', 'translate(50,20)')
.append(() => legend({ color: casesColor, title: 'Cases', width: 260 }));
const color = d => casesColor(numCases.get(d.properties.name));
svg
.append('g')
.selectAll('g')
.data(topojson.feature(ri, ri.objects.counties).features)
.join('g')
.call(g =>
g
.append('path')
.attr('fill', color)
.attr('d', path)
)
.call(
labelCounties(color, d =>
d3.format(',.0f')(numCases.get(d.properties.name))
)
);
return svg.node();
}
casesColor = d3
.scaleSequential(t => d3.interpolateOrRd(Math.pow(t, 1 / 1.5)))
.domain([0, d3.max(Array.from(numCases.values()))])
.nice()
percentInfectedGraph = {
const svg = d3
.create("svg")
.attr("viewBox", [0, 0, 460, 630])
.style("width", "400px");
svg
.append("g")
.attr("transform", "translate(50,20)")
.append(() =>
legend({
color: percentInfectedColor,
title: "Percent Infected",
width: 260,
tickFormat: '%'
})
);
const percent = d =>
numCases.get(d.properties.name) / populations[d.properties.name];
const color = d => percentInfectedColor(percent(d));
svg
.append('g')
.selectAll('g')
.data(topojson.feature(ri, ri.objects.counties).features)
.join('g')
.call(g =>
g
.append('path')
.attr("fill", color)
.attr("d", d3.geoPath(projection))
)
.call(labelCounties(color, d => d3.format('.4%')(percent(d))));
return svg.node();
}
percentInfectedColor = d3
.scaleSequential(d3.interpolateBlues)
.domain([
0,
d3.max(Array.from(numCases.entries()), d => d[1] / populations[d[0]])
])
stats = {
const text = await d3.text(
'https://cors-anywhere.herokuapp.com/docs.google.com/spreadsheets/d/1c2QrNMz8pIbYEKzMJL7Uh2dtThOJa2j1sSMwiDo5Gz4/export?format=csv'
);
const [firstLine, ...rest] = text.split('\r\n');
const date = d3.timeParse('%-m/%-d/%Y')(firstLine.split(',')[1]);
const map = new Map(
d3.csvParseRows(rest.join('\n'), ([name, value]) => [
name
.replace(/\s*\([^)]+\)/g, '')
.replace(/\s{2,}/g, ' ')
.trim(),
parseInt(value.replace(/,/g, ''))
])
);
map.set('date', date);
return map;
}
// stats = d3
// .text('https://j-f1.github.io/ridoh-covid19-key-stats/latest.csv?v=1')
// .then(text => d3.csvParseRows(text, d3.autoType))
// .then(rows => new Map(rows))
// stats = d3.json(
// 'https://raw.githubusercontent.com/j-f1/covid19-map/master/key_stats.json'
// )
numCases = csvRows(
'https://cors-anywhere.herokuapp.com/docs.google.com/spreadsheets/d/e/2PACX-1vT--dFc7nR7jA_yu24aZYX_uVpa2grOddI7Zx2j4tFZRXasOL0Ldr6l_uAMmoOf77WV5jZsKNNg53eH/pub?output=csv',
([name, count]) => [name.toUpperCase(), parseInt(count)]
).then(rows => new Map(rows))
// Source: https://en.wikipedia.org/wiki/List_of_counties_in_Rhode_Island
populations = ({
BRISTOL: 49875,
KENT: 166158,
NEWPORT: 82888,
PROVIDENCE: 626667,
WASHINGTON: 126979
})
projection = d3
.geoAlbers()
.center([-2, 41.8])
.scale(4e4)
.rotate([69, 0, 0])
path = d3.geoPath(projection)
csvRows = (url, handler = d3.autoType) =>
fetch(url)
.then(res => res.text())
.then(csv => d3.csvParseRows(csv, handler))
labelCounties = (color, value) => g =>
g
.call(g =>
makeLabel(g, d => d.properties.name)
.attr('stroke', color)
.attr('stroke-width', 6)
.attr('stroke-opacity', .75)
.attr('dy', -10)
)
.call(g =>
makeLabel(g, d => d.properties.name)
.attr('fill', d => (isDark(color(d)) ? 'white' : 'black'))
.attr('dy', -10)
)
.call(g =>
makeLabel(g, value)
.attr('stroke', color)
.attr('stroke-width', 6)
.attr('stroke-opacity', .75)
.attr('dy', 10)
)
.call(g =>
makeLabel(g, value)
.attr('fill', d => (isDark(color(d)) ? 'white' : 'black'))
.attr('dy', 10)
)
makeLabel = (g, text) =>
g
.append('text')
.attr('transform', d => `translate(${path.centroid(d)})`)
.attr('text-anchor', 'middle')
.attr('font-weight', '900')
.text(text)
pl = n => (n === 1 ? '' : 's')
// require.resolve("topojson-client@3")
topojson = require("https://cdn.jsdelivr.net/npm/topojson-client@3.1.0/dist/topojson-client.min.js")
// require.resolve('d3@5')
d3 = require('https://cdn.jsdelivr.net/npm/d3@5/dist/d3.min.js')
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.