mutable max = 0
data = {
const data = d3.csvParse(
await FileAttachment("pm10_zagreb1-2@1.csv").text(),
(d) => {
const date = d3.timeParse("%d.%m.%Y")(d.Date);
const value = d.Value !== "" ? +d.Value : null;
return {
date: date,
value: value
};
}
);
var dates = d3.range(1, 366, 1);
return {
dates: d3.range(1, 366, 1),
series: d3
.groups(data, (d) => d.date.getFullYear())
.map(([name, values]) => {
return { name, values: values.map((d) => d.value) };
//values: dates.map(d => value.get(d))};
})
};
}
height = data.series.length * (step + 1) + margin.top + margin.bottom
margin = ({top: 30, right: 10, bottom: 0, left: 10})
step = 43
overlap = 7
band = 20
color = i => d3.schemeOrRd[Math.max(3, overlap)][i + Math.max(0, 3 - overlap)]
x = d3.scaleLinear([1,365], [0,width])
y = d3.scaleLinear([0, band], [0, -step])
xDateScale = d3.scaleUtc([new Date(2020,0,1), new Date(2020,11,31)], [0, width])
xAxisDates = g => g
.attr("transform", `translate(0,${margin.top})`)
.call(d3.axisTop(xDateScale).tickFormat(d3.timeFormat("%B")))
.call(g => g.selectAll(".tick").filter((d,i) => i == 0).remove())
.call(g => g.select(".domain").remove())
area = d3
.area()
.curve(d3.curveStep)
.defined((d) => !isNaN(d) && d !== null)
.x((d, i) => x(i))
.y0(0)
.y1((d) => y(d))
d3 = require("d3@6")
import {legend} from "@d3/color-legend"
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