frontend + d3
Published
Edited
Jul 31, 2020
2 forks
accChart = {
const svg = d3
.create('svg')
.attr('width', config.chartAccWidth)
.attr('height', config.chartAccHeight);
const stage = svg
.append('g')
.attr(
...ttrans(config.chartAccMarginHorizontal, config.chartAccMarginVertical)
);
const axisX = svg
.append('g')
.attr(
...ttrans(
config.chartAccMarginHorizontal,
config.chartAccHeightClipped + config.chartAccMarginVertical
)
)
.call(chartAccAxisX);
const axisY = svg
.append('g')
.attr(
...ttrans(config.chartAccMarginHorizontal, config.chartAccMarginVertical)
)
.call(chartAccAxisY);
function render(_targetTime) {
stage
.selectAll('.bar')
.data(totalData, d => d.date)
.join(enterAccBar, updateAccBar(_targetTime));
}
return Object.assign(svg.node(), { render });
}
chartAccAxisX = d3
.axisBottom(scaleLineX)
.tickFormat(d =>
new Date(d).toLocaleString("ko", { month: "long", day: "numeric" })
)
chartAccAxisY = d3.axisLeft(scaleAxisY)
updateAccBar = _targetTime => bar =>
bar.attr('opacity', d => (d.date >= _targetTime ? .5 : 1))
enterAccBar = bar =>
bar
.append('rect')
.attr('class', 'bar')
.attr('data-date', d => d.date)
.attr('height', d => scaleLineY(d.confirmedInc))
.attr('width', d => config.barWidth)
.attr('transform', (d, i) =>
trans(
i * (config.barWidth + config.barGapX),
config.chartAccHeightClipped - scaleLineY(d.confirmedInc)
)
)
// timeData[timeData.length - 100]
// getProvinceTimeData('Seoul')
radiusScale(0)
getTotalData(new Date('2020-02-01'))
scaleLineX = d3
.scaleLinear()
.domain([timeMin, timeMax])
.range([0, config.chartAccWidthClipped])
scaleLineY = d3
.scaleSqrt()
.domain([0, maxAcc])
.range([0, config.chartAccHeightClipped])
scaleAxisY = d3.scaleSqrt([maxAcc, 0], [0, config.chartAccHeightClipped])
getDateDiff = (a, b) => Math.ceil((a - b) / 86400000)
confirmLabelText = d => `확진자 수: ${getTotalData(d).confirmed}`
eventLabelText = d =>
d.date.toLocaleString("ko", { month: "long", day: "numeric" }) +
'-' +
d.nameKr
dateLabelText = date =>
date.toLocaleString("ko", { month: "long", day: "numeric" }) +
`(D+${getDateDiff(date, timeMin)})`
addIncrementalData = (d, i, a) => {
const prev = a[i - 1] || { confirmed: 0, deceased: 0, test: 0, released: 0 };
const current = Object.assign({}, d);
current.confirmedInc = current.confirmed - prev.confirmed;
current.deceasedInc = current.deceased - prev.deceased;
current.releasedInc = current.released - prev.released;
current.testInc = current.test - prev.test;
return current;
}
confirmMax = d3.max(timeData, d => d.confirmed)
releaseMax = d3.max(timeData, d => d.released)
deceasedMax = d3.max(timeData, d => d.deceased)
maxData = Math.max(confirmMax, releaseMax, deceasedMax)
timeMax = d3.max(timeData, d => d.date)
timeMin = d3.min(timeData, d => d.date)
timeData = {
const csv = await d3.csvParse(dataTimeProvince, csvParser);
return csv;
}
d3.csvParse(dataTime)
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.