Published
Edited
May 17, 2020
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chart = {
const svg = d3.create("svg").attr("viewBox", [0, 0, width, height]);
svg.append("g").call(yAxis);
svg
.append("g")
.selectAll("rect")
.data(data)
.join("rect")
.attr("stroke", (d, i) => colorStroke(i))
.attr("stroke-width", 2)
.attr("fill", (d, i) => color(i))
.attr("x", x(0))
.attr("y", (d, i) => y(i))
.attr("width", d => x(d.value) - x(0))
.attr("height", y.bandwidth());
svg
.append("g")
.attr("fill", "#333")
.attr("font-family", "sans-serif")
.attr("font-size", 18)
.attr("font-weight", "bold")
.selectAll("text")
.data(data)
.join("text")
.attr("x", d => x(d.value))
.attr("y", (d, i) => y(i) + y.bandwidth() / 2)
.attr("dy", "0.35em")
.attr("dx", 8)
.text(d => format(d.value))
.call(text =>
text
.filter(d => x(d.value) - x(0) < 20) // short bars
.attr("dx", +4)
.attr("fill", "black")
.attr("text-anchor", "start")
);
// svg.append("g").call(xAxis);
return svg.node();
}
data = [
{
name: 'Simulmedia linear TV only',
value: 57000000
},
{
name: 'Overlapping - Simulmedia linear and AVOD',
value: 55000000
},
{
name: 'AVOD only',
value: 3000000
}
]
format = x.tickFormat(20, ".0s")
x = d3.scaleLinear()
.domain([0, d3.max(data, d => d.value)])
.range([margin.left, width - margin.right])
y = d3
.scaleBand()
.domain(d3.range(data.length))
.rangeRound([margin.top, height - margin.bottom])
.padding(0.4)
xAxis = g => g
.attr("transform", `translate(0,${margin.top})`)
.call(d3.axisTop(x).ticks(width / 80, data.format))
.call(g => g.select(".domain").remove())
yAxis = g =>
g
.attr("transform", `translate(${margin.left},0)`)
.call(
d3
.axisLeft(y)
.tickFormat(i => data[i].name)
.tickSizeOuter(0)
)
.selectAll("text")
.attr("font-size", 18)
color = d3
.scaleOrdinal()
.range(["rgb(206,221,235)", "rgb(214,199,189)", "rgb(251,224,205)"])
colorStroke = d3
.scaleOrdinal()
.range(["steelblue", "rgb(198,173,132", "orange"])
barHeight = 50
height = Math.ceil((data.length + 0.1) * barHeight) + margin.top + margin.bottom
margin = ({ top: 30, right: 50, bottom: 10, left: 360 })
d3 = require("d3@5")
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.
