Mathematical engineer. Software developer at Act Now Coalition.
SpaghettiChart(data, {
x: (d) => d.distance,
label: (d) => d.distance,
width: 600,
height: 250,
turns: 6
})
SegmentChart([6, 3, 12, 3, 9], { width, height: 20, space: 0.25 })
function SpaghettiChart(
data,
{
x = (d) => d,
label = (d) => d,
r = 20, // radius of the turns
space = 6, // space between line segments (px)
turns = 4, // number of turns
width = 600,
height = 400,
marginTop = 10,
marginBottom = 10,
marginLeft = 10,
marginRight = 10
}
) {
const chartWidth = width - marginLeft - marginRight;
const chartHeight = height - marginTop - marginBottom;
const total = d3.sum(data, x);
const lineLength = turns * chartWidth;
const xScale = d3.scaleLinear().domain([0, total]).range([0, lineLength]);
const { path: pathString } = curvedLine(chartWidth, r, lineLength);
const dasharray = data.map((d) => xScale(x(d))).join(` ${space} `);
console.log(dasharray);
const svg = d3
.create("svg")
.attr("width", width)
.attr("height", height)
.attr("viewBox", [0, 0, width, height]);
svg
.append("rect")
.attr("width", width)
.attr("height", height)
.attr("fill", "#f8bbd0");
const group = svg
.append("g")
.attr("transform", `translate(${marginLeft}, ${marginTop})`);
const path = group
.append("path")
.attr("d", pathString)
.attr("stroke", "#d81b60")
.attr("stroke-dasharray", dasharray)
.attr("stroke-width", 6)
.attr("fill", "none");
return svg.node();
}
// join([2, 3, 4], 1) // [2, 1, 3, 1, 4]
function join(list, separator) {
return list.slice(1).reduce((acc, d) => [...acc, separator, d], [list[0]]);
}
data = rawData
.map((row) => ({
date: new Date(row["Activity Date"]),
distance: row["Distance"], // [m]
time: row["Elapsed Time"], // [sec]
activityType: row["Activity Type"]
}))
.filter((d) => d.date > new Date("2022-09-01"))
activities = new Set(data.map(d => d.activityType))
space = ({
distance: 2000,
type: "marker"
})
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