This is my work account, my private observable account is @jurb
Published
Edited
Sep 28, 2022
Radial bar chart sketch
xAccessor = "name"
innerR = 100
outerR = width / 2.5
padding = 0.05
arc = d3.arc()
.innerRadius(d => y(0))
.outerRadius(d => y(d[yAccessor]))
.startAngle(d => x(d[xAccessor]))
.endAngle(d => x(d[xAccessor]) + x.bandwidth())
.padAngle(padding)
.padRadius(innerR)
y = d3.scaleRadial()
.domain([0, d3.max(formattedData, d => d[yAccessor])])
.range([innerR, outerR])
x = d3.scaleBand()
.domain(formattedData.map(d => d[xAccessor]))
.range([0, 2 * Math.PI])
.align(0)
formattedData = [{name: "bla", value: 6}, {name: "bla2", value: 2}, {name: "bla3", value: 7}, {name: "bla4", value: 1},{name: "bla5", value: 6}, {name: "bla6", value: 2}, {name: "bla7", value: 7}, {name: "bla8", value: 1}, {name: "bla9", value: 6}, {name: "bla10", value: 2}, {name: "bla11", value: 7}, {name: "bla12", value: 1},{name: "bla13", value: 6}, {name: "bla14", value: 2}, {name: "bla15", value: 7}, {name: "bla16", value: 1}]
formattedData2 = [{name: "bla", value: 3}, {name: "bla2", value: 8}, {name: "bla3", value: 2}, {name: "bla4", value: 3},{name: "bla5", value: 5}, {name: "bla6", value: 2}, {name: "bla7", value: 5}, {name: "bla8", value: 7}, {name: "bla9", value: 5}, {name: "bla10", value: 3}, {name: "bla11", value: 3}, {name: "bla12", value: 2},{name: "bla13", value: 9}, {name: "bla14", value: 5}, {name: "bla15", value: 6}, {name: "bla16", value: 2}]
fillQuarters = i => i < 4 ? "#bf212f" : i < 8 ? '#264b96' : i < 12 ? '#27b376' : '#f9a73e'
// tweenIndex = {
// for (let i = 0; i < 1000; ++i) {
// yield i / 1000;
// }
// }
function* oscillator(period) {
while (true) {
yield Math.sin(Date.now() / period) / 2 + .5;
}
}
// (sin(x)+1)/2
tweenIndex = {
for (const t of oscillator(1000)) {
yield t
}
}
interpolator = (a, b) => d3.interpolate(
{ value: a.value },
{
...b,
}
)
interpolator(formattedData[0], formattedData2[0])(.3)
tweenedData = formattedData.map((d,i) => interpolator(d, formattedData2[i])(tweenIndex))
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