Award-winning creative focused on data-driven art and visualizations, trying to push the boundaries of the web one visual story at a time ✨
Published
Edited
Mar 25, 2021
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updateBarsOld = (svg, data) => {
const rectWidth = 50
// ✨ OUR CODE HERE
}
updateBarsNew = (svg, data) => {
const rectWidth = 50
// ✨ OUR CODE HERE
}
{
const oldSVG = html`<svg height=100 style='overflow: visible' />`
const newSVG = html`<svg height=100 style='overflow: visible' />`
const code = html`<code />`
const button = html`<button>new data!</button>`
d3.select(button).on('click', d => {
// randomly generate an array of data
const data = _.times(_.random(3, 8), i => _.random(0, 100))
updateBarsOld(oldSVG, data)
updateBarsNew(newSVG, data)
// update div with new data array:
d3.select(code).text(JSON.stringify(data).replace(/\,/g, ', '))
})
return html`
<h4>old way:</h4>
${oldSVG}
<h4>new way:</h4>
${newSVG}
<p>
${button} ${code}
</p>
`
}
{
const rectWidth = 50
const svgHeight = 100
const svg = html`<svg height=${svgHeight} style='overflow: visible' />`
const code = html`<code />`
const button = html`<button>new data!</button>`
function updateBars() {
// select svg so that transition can be localized within selection
const t = d3.select('svg').transition().duration(1000)
// randomly generate an array of data
const data = _.times(_.random(3, 8), i => _.random(0, 100))
// ✨ YOUR CODE HERE
// update div with new data array:
d3.select(code).text(JSON.stringify(data).replace(/\,/g, ', '))
}
updateBars()
d3.select(button).on('click', updateBars)
return html`
${svg}
<p>
${button} ${code}
</p>
`
}
filtered = _.filter(movies, d => {
// either the genre is in the filtered genres
return (_.includes(filteredGenres, d.genres[0]) ||
// OR the movie's genre isn't one of the top genres, and "Other" is toggled
(_.includes(filteredGenres, 'Other') && !_.includes(topGenres, d.genres[0]))) &&
// AND movie's pg rating is in filtered pg
_.includes(filteredPG, d.rated)
})
filteredFlowers = calculateData(filtered)
{
// this line is a little bit of Observable magic to make sure that every time
// our filter cells update, we use the existing SVG element instead of trashing it and creating a new one
// if you're working in your index.html, you'd create your svg element and select it as we did before
const element = this || scrollSVG(html`<svg width=${width} height=${svgHeight}></svg>`)
const svg = d3.select(element).select('svg')
// create transition animation localized to svg selection
const t = svg.transition().duration(1000)
// ✨ YOUR CODE HERE
return element
}
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
