Published
Edited
Jul 14, 2020
Fork of Calendar
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data = {
const data = d3.csvParse(await FileAttachment("philippines_2020_07_07.csv").text(), d3.autoType);
return d3.pairs(data, ({retail_and_recreation_percent_change_from_baseline: previous},
{date, retail_and_recreation_percent_change_from_baseline, grocery_and_pharmacy_percent_change_from_baseline, residential_percent_change_from_baseline
}) => {
return {date: date, value: (retail_and_recreation_percent_change_from_baseline
- previous) / previous, retail_and_recreation: retail_and_recreation_percent_change_from_baseline, grocery_and_pharmacy: grocery_and_pharmacy_percent_change_from_baseline,
residential: residential_percent_change_from_baseline
};
});
}
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chart2 = {
const svg = d3.create("svg")
.attr("viewBox", [0, 0, width, height])
.style("overflow", "visible");
const x = d3.scaleUtc()
.domain(d3.extent(line_chart_data.dates))
.range([margin.left, width - margin.right])
const y = d3.scaleLinear()
.domain([-100, d3.max(line_chart_data.series, d => d3.max(d.values))]).nice()
.range([height - margin.bottom, margin.top])
const xAxis = g => g
.attr("transform", `translate(0,${height - margin.bottom})`)
.call(d3.axisBottom(x).ticks(width / 80).tickSizeOuter(0))
const yAxis = g => g
.attr("transform", `translate(${margin.left},0)`)
.call(d3.axisLeft(y))
.call(g => g.select(".domain").remove())
.call(g => g.select(".tick:last-of-type text").clone()
.attr("x", 3)
.attr("text-anchor", "start")
.attr("font-weight", "bold")
.text(line_chart_data.y))
svg.append("g")
.call(xAxis);

svg.append("g")
.call(yAxis);
const line = d3.line()
.defined(d => !isNaN(d))
.x((d, i) => x(line_chart_data.dates[i]))
.y(d => y(d))
const path = svg.append("g")
.attr("fill", "none")
.attr("stroke", colors[0])
.attr("stroke-width", 1.5)
.attr("stroke-linejoin", "round")
.attr("stroke-linecap", "round")
.selectAll("path")
.data(line_chart_data.series)
.join("path")
.style("mix-blend-mode", "multiply")
.attr("d", d => line(d.values));

svg.call(hover, path);

return svg.node();
}
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chart = {
const svg = d3.create("svg")
.attr("viewBox", [0, 0, calendar_width, calendar_height * years.length])
.attr("font-family", "sans-serif")
.attr("font-size", 10);

const year = svg.selectAll("g")
.data(years)
.join("g")
.attr("transform", (d, i) => `translate(40.5,${calendar_height * i + cellSize * 1.5})`);

year.append("text")
.attr("x", -5)
.attr("y", -5)
.attr("font-weight", "bold")
.attr("text-anchor", "end")
.text(([key]) => key);

year.append("g")
.attr("text-anchor", "end")
.selectAll("text")
.data((weekday === "weekday" ? d3.range(2, 7) : d3.range(7)).map(i => new Date(1995, 0, i)))
.join("text")
.attr("x", -5)
.attr("y", d => (countDay(d) + 0.5) * cellSize)
.attr("dy", "0.31em")
.text(formatDay);

year.append("g")
.selectAll("rect")
.data(weekday === "weekday"
? ([, values]) => values.filter(d => ![0, 6].includes(d.date.getUTCDay()))
: ([, values]) => values)
.join("rect")
.attr("width", cellSize - 1)
.attr("height", cellSize - 1)
.attr("x", d => timeWeek.count(d3.utcYear(d.date), d.date) * cellSize + 0.5)
.attr("y", d => countDay(d.date) * cellSize + 0.5)
.attr("fill", d => color(d.value))
.append("title")
.text(d => `${formatDate(d.date)}
Retail Percent Change:${formatValue(d.value)}${d.retail_and_recreation === undefined ? "" : `
Retail Change From Baseline: ${formatClose(d.retail_and_recreation)}`}`);

const month = year.append("g")
.selectAll("g")
.data(([, values]) => d3.utcMonths(d3.utcMonth(values[0].date), values[values.length - 1].date))
.join("g");

month.filter((d, i) => i).append("path")
.attr("fill", "none")
.attr("stroke", "#fff")
.attr("stroke-width", 3)
.attr("d", pathMonth);

month.append("text")
.attr("x", d => timeWeek.count(d3.utcYear(d), timeWeek.ceil(d)) * cellSize + 2)
.attr("y", -5)
.text(formatMonth);

return svg.node();
}
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years = d3.groups(data, d => d.date.getUTCFullYear()).reverse()
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cellSize = 17
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calendar_width = 954
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calendar_height = cellSize * (weekday === "weekday" ? 7 : 9)
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timeWeek = weekday === "sunday" ? d3.utcSunday : d3.utcMonday
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countDay = weekday === "sunday" ? d => d.getUTCDay() : d => (d.getUTCDay() + 6) % 7
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function pathMonth(t) {
const n = weekday === "weekday" ? 5 : 7;
const d = Math.max(0, Math.min(n, countDay(t)));
const w = timeWeek.count(d3.utcYear(t), t);
return `${d === 0 ? `M${w * cellSize},0`
: d === n ? `M${(w + 1) * cellSize},0`
: `M${(w + 1) * cellSize},0V${d * cellSize}H${w * cellSize}`}V${n * cellSize}`;
}
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formatValue = d3.format("+.2%")
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formatClose = d3.format(",.2f")
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formatDate = d3.utcFormat("%x")
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formatDay = d => "SMTWTFS"[d.getUTCDay()]
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formatMonth = d3.utcFormat("%b")
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color = {
const max = d3.quantile(data.map(d => Math.abs(d.value)).sort(d3.ascending), 0.5);
return d3.scaleSequential(d3.interpolatePiYG).domain([-max, +max]);
}
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d3 = require("d3@v5", "d3-array@2")
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import {legend} from "@d3/color-legend"
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margin = ({top: 20, right: 30, bottom: 30, left: 40})
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function hover(svg, path) {
const x = d3.scaleUtc()
.domain(d3.extent(line_chart_data.dates))
.range([margin.left, width - margin.right])
const y = d3.scaleLinear()
.domain([-100, d3.max(line_chart_data.series, d => d3.max(d.values))]).nice()
.range([height - margin.bottom, margin.top])
if ("ontouchstart" in document) svg
.style("-webkit-tap-highlight-color", "transparent")
.on("touchmove", moved)
.on("touchstart", entered)
.on("touchend", left)
else svg
.on("mousemove", moved)
.on("mouseenter", entered)
.on("mouseleave", left);

const dot = svg.append("g")
.attr("display", "none");

dot.append("circle")
.attr("r", 2.5);

dot.append("text")
.attr("font-family", "sans-serif")
.attr("font-size", 10)
.attr("text-anchor", "middle")
.attr("y", -8);

function moved() {
d3.event.preventDefault();
const mouse = d3.mouse(this);
const xm = x.invert(mouse[0]); // x coordinate of mouse pointer
const ym = y.invert(mouse[1]); // y coordinate of mouse pointer
const i1 = d3.bisectLeft(line_chart_data.dates, xm, 1);
const i0 = i1 - 1;
const i = xm - line_chart_data.dates[i0] > line_chart_data.dates[i1] - xm ? i1 : i0;
const s = d3.least(line_chart_data.series, d => Math.abs(d.values[i] - ym));
path.attr("stroke", d => d === s ? null : "#ddd").filter(d => d === s).raise();
console.log(s);
dot.attr("transform", `translate(${x(line_chart_data.dates[i])},${y(s.values[i])})`);
dot.select("text").text(s.name);
}

function entered() {
path.style("mix-blend-mode", null).attr("stroke", "#ddd");
dot.attr("display", null);
}

function left() {
path.style("mix-blend-mode", "multiply").attr("stroke", null);
dot.attr("display", "none");
}
}
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height = 250;
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colors = ["#F45656", "#EAEA34"]
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