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script.js
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script.js
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/* global bootstrap */
import * as d3 from "https://cdn.jsdelivr.net/npm/d3@7/+esm";
import { network } from "https://cdn.jsdelivr.net/npm/@gramex/network@2.1.0";
import { num2, pc } from "https://cdn.jsdelivr.net/npm/@gramex/ui/dist/format.js";
// nodes is an array of objects with keys: id, job_category, job_title, location, role, subunit
// links is an array of objects with keys: weight: (hours), source: (id), target: (id)
const { nodes, links: rawLinks } = await fetch("interactions.json").then((res) => res.json());
const nodesById = Object.fromEntries(nodes.map((d) => [d.id, d]));
const links = rawLinks.map(({ calendar, email, chat, video, source, target }) => ({
calendar,
email,
chat,
video,
source: nodesById[source],
target: nodesById[target],
}));
let key, groupNodes, groupLinks, center, groupRadius, groupStrokeWidthScale;
let personNetwork, groupNetwork;
const color = d3.scaleOrdinal(d3.schemeCategory10);
function reKey() {
key = document.querySelector("#key").value;
groupNodes = d3
.rollups(
nodes,
(D) => ({
calendar: d3.sum(D, (d) => d.calendar),
email: d3.sum(D, (d) => d.email),
chat: d3.sum(D, (d) => d.chat),
video: d3.sum(D, (d) => d.video),
n: D.length,
}),
(d) => d[key],
)
.map(([id, values]) => ({ id, ...values }));
const rawGroupLinks = d3
.flatRollup(
links,
(D) => ({
calendar: d3.sum(D, (d) => d.calendar),
email: d3.sum(D, (d) => d.email),
chat: d3.sum(D, (d) => d.chat),
video: d3.sum(D, (d) => d.video),
n: D.length,
}),
(d) => d.source[key],
(d) => d.target[key],
)
.map(([source, target, values]) => ({ source, target, ...values }));
const groupNodesById = Object.fromEntries(groupNodes.map((d) => [d.id, d]));
groupLinks = rawGroupLinks.map(({ source, target, ...rest }) => ({
source: groupNodesById[source],
target: groupNodesById[target],
...rest,
}));
// Distribute the key uniformly around a circle
center = Object.fromEntries(
groupNodes.map(({ id }, i) => {
const angle = (i / groupNodes.length) * 2 * Math.PI;
return [id, { x: Math.cos(angle), y: Math.sin(angle) }];
}),
);
reScale();
}
function reScale() {
const radiusWeight = document.querySelector("#radius-weight").value;
const calendarWeight = document.querySelector("#calendar-weight").value;
const emailWeight = document.querySelector("#email-weight").value;
const chatWeight = document.querySelector("#chat-weight").value;
const videoWeight = document.querySelector("#video-weight").value;
links.forEach(
(d) =>
(d.weight = calendarWeight * d.calendar + emailWeight * d.email + chatWeight * d.chat + videoWeight * d.video),
);
groupLinks.forEach(
(d) =>
(d.weight = calendarWeight * d.calendar + emailWeight * d.email + chatWeight * d.chat + videoWeight * d.video),
);
groupRadius = d3
.scaleSqrt()
.domain(d3.extent(groupNodes, (d) => d.n))
.range([10 * radiusWeight, 80 * radiusWeight]);
groupStrokeWidthScale = d3
.scalePow()
.exponent(0.5)
.domain(d3.extent(groupLinks, (d) => d.weight / d.n))
.range([1, 20]);
redraw();
}
function redraw() {
const minTime = document.querySelector("#min-time").value;
document.querySelector("#min-time-value").textContent = Math.round(minTime * 60);
document.querySelector("#min-time").max = d3.max(links, (d) => d.weight / 5);
groupNodes.forEach((d) => (d.linkCount = 0));
const groupLinksFiltered = groupLinks.filter(({ weight, n }) => weight / n >= minTime);
groupLinksFiltered.forEach((d) => {
if (d.source.id != d.target.id) {
d.source.linkCount++;
d.target.linkCount++;
}
});
groupNetwork = network("#group-network", {
nodes: groupNodes,
links: groupLinksFiltered,
forces: {
x: ({ width }) =>
d3.forceX((d) => {
return d.linkCount ? (width * 3) / 4 : width / 4;
}),
collide: () => d3.forceCollide().radius((d) => groupRadius(d.n) + 5),
},
d3,
});
groupNetwork.nodes
.attr("fill", (d) => color(d.id))
.attr("r", (d) => groupRadius(d.n))
.attr("data-bs-toggle", "tooltip")
.attr("title", (d) => `${d.id} (${d.n} people)`);
groupNetwork.links
.attr("stroke", ({ weight, n }) => `rgba(var(--bs-body-color-rgb), ${(weight / n) * 0.5})`)
.attr("stroke-width", ({ weight, n }) => groupStrokeWidthScale(weight / n));
personNetwork = network("#person-network", {
nodes,
links: links.filter(({ weight }) => weight >= minTime),
forces: {
x: ({ width }) => d3.forceX((d) => width / 2 + center[d[key]].x * width * 0.25),
y: ({ height }) => d3.forceY((d) => height / 2 + center[d[key]].y * height * 0.25),
},
d3,
});
personNetwork.nodes
.attr("fill", (d) => color(d[key]))
.attr("r", 5)
.attr("data-bs-toggle", "tooltip")
.attr("title", (d) => `${d.id}: ${d[key]}`);
personNetwork.links.attr("stroke", ({ weight }) => `rgba(var(--bs-body-color-rgb), ${weight * 0.02})`);
}
function hashChange() {
const hash = location.hash.slice(1);
const params = new URLSearchParams(hash);
if (params.has("key")) document.querySelector("#key").value = params.get("key");
if (params.has("min-time")) document.querySelector("#min-time").value = params.get("min-time");
reKey();
}
document.querySelector("#loading").remove();
for (const el of document.querySelectorAll("#key, .re-key")) el.addEventListener("input", reKey);
for (const el of document.querySelectorAll(".re-scale"))
el.addEventListener("input", (e) => {
if (e.target.dataset.type == "pc") document.querySelector(e.target.dataset.target).textContent = pc(e.target.value);
if (e.target.dataset.type == "num")
document.querySelector(e.target.dataset.target).textContent = num2(e.target.value * e.target.dataset.value);
reScale();
});
document.querySelector("#min-time").addEventListener("input", redraw);
document.querySelector("#pause").addEventListener("click", () => {
personNetwork.simulation.stop();
groupNetwork.simulation.stop();
});
window.addEventListener("hashchange", hashChange);
new bootstrap.Tooltip("body", { selector: '[data-bs-toggle="tooltip"]' });
hashChange();