431 lines
14 KiB
HTML
431 lines
14 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
<title>SDG Network Visualization - Force-Directed Graph</title>
|
|
<script src="https://d3js.org/d3.v7.min.js"></script>
|
|
<style>
|
|
* {
|
|
margin: 0;
|
|
padding: 0;
|
|
box-sizing: border-box;
|
|
}
|
|
|
|
body {
|
|
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
|
|
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
|
|
overflow: hidden;
|
|
}
|
|
|
|
#container {
|
|
width: 100vw;
|
|
height: 100vh;
|
|
position: relative;
|
|
}
|
|
|
|
svg {
|
|
width: 100%;
|
|
height: 100%;
|
|
cursor: grab;
|
|
}
|
|
|
|
svg:active {
|
|
cursor: grabbing;
|
|
}
|
|
|
|
.node {
|
|
cursor: move;
|
|
transition: r 0.3s ease, stroke-width 0.3s ease;
|
|
}
|
|
|
|
.node:hover {
|
|
stroke: #fff;
|
|
stroke-width: 4px;
|
|
}
|
|
|
|
.link {
|
|
stroke: rgba(255, 255, 255, 0.3);
|
|
stroke-width: 1.5px;
|
|
transition: stroke 0.3s ease, stroke-width 0.3s ease;
|
|
}
|
|
|
|
.link:hover {
|
|
stroke: rgba(255, 255, 255, 0.8);
|
|
stroke-width: 3px;
|
|
}
|
|
|
|
.node-label {
|
|
fill: white;
|
|
font-size: 10px;
|
|
font-weight: 600;
|
|
text-anchor: middle;
|
|
pointer-events: none;
|
|
text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
|
|
}
|
|
|
|
#tooltip {
|
|
position: absolute;
|
|
background: rgba(0, 0, 0, 0.9);
|
|
color: white;
|
|
padding: 12px 16px;
|
|
border-radius: 8px;
|
|
font-size: 14px;
|
|
pointer-events: none;
|
|
opacity: 0;
|
|
transition: opacity 0.3s ease;
|
|
max-width: 300px;
|
|
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
|
|
z-index: 1000;
|
|
}
|
|
|
|
#tooltip.visible {
|
|
opacity: 1;
|
|
}
|
|
|
|
.tooltip-title {
|
|
font-weight: 700;
|
|
font-size: 16px;
|
|
margin-bottom: 6px;
|
|
color: #4ade80;
|
|
}
|
|
|
|
.tooltip-description {
|
|
font-size: 13px;
|
|
line-height: 1.5;
|
|
color: #e5e7eb;
|
|
}
|
|
|
|
.tooltip-targets {
|
|
font-size: 12px;
|
|
margin-top: 8px;
|
|
padding-top: 8px;
|
|
border-top: 1px solid rgba(255, 255, 255, 0.2);
|
|
color: #9ca3af;
|
|
}
|
|
|
|
#loading {
|
|
position: absolute;
|
|
top: 50%;
|
|
left: 50%;
|
|
transform: translate(-50%, -50%);
|
|
background: rgba(0, 0, 0, 0.8);
|
|
color: white;
|
|
padding: 24px 32px;
|
|
border-radius: 12px;
|
|
font-size: 18px;
|
|
font-weight: 600;
|
|
text-align: center;
|
|
}
|
|
|
|
#footer {
|
|
position: absolute;
|
|
bottom: 16px;
|
|
left: 16px;
|
|
right: 16px;
|
|
background: rgba(0, 0, 0, 0.7);
|
|
color: white;
|
|
padding: 16px;
|
|
border-radius: 8px;
|
|
font-size: 12px;
|
|
line-height: 1.6;
|
|
backdrop-filter: blur(10px);
|
|
}
|
|
|
|
.footer-title {
|
|
font-weight: 700;
|
|
font-size: 14px;
|
|
margin-bottom: 8px;
|
|
color: #4ade80;
|
|
}
|
|
|
|
.footer-section {
|
|
margin: 4px 0;
|
|
}
|
|
|
|
.footer-label {
|
|
font-weight: 600;
|
|
color: #60a5fa;
|
|
}
|
|
|
|
#legend {
|
|
position: absolute;
|
|
top: 16px;
|
|
right: 16px;
|
|
background: rgba(0, 0, 0, 0.7);
|
|
color: white;
|
|
padding: 16px;
|
|
border-radius: 8px;
|
|
font-size: 12px;
|
|
backdrop-filter: blur(10px);
|
|
}
|
|
|
|
.legend-title {
|
|
font-weight: 700;
|
|
font-size: 14px;
|
|
margin-bottom: 12px;
|
|
color: #4ade80;
|
|
}
|
|
|
|
.legend-item {
|
|
display: flex;
|
|
align-items: center;
|
|
margin: 6px 0;
|
|
}
|
|
|
|
.legend-color {
|
|
width: 20px;
|
|
height: 20px;
|
|
border-radius: 50%;
|
|
margin-right: 8px;
|
|
border: 2px solid rgba(255, 255, 255, 0.5);
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div id="container">
|
|
<div id="loading">Loading UN SDG Data...</div>
|
|
<div id="tooltip"></div>
|
|
<div id="legend"></div>
|
|
<svg id="graph"></svg>
|
|
<div id="footer">
|
|
<div class="footer-title">SDG Network Visualization - Iteration 1</div>
|
|
<div class="footer-section">
|
|
<span class="footer-label">Data Source:</span> UN SDG API - https://unstats.un.org/SDGAPI/v1/sdg/Goal/List?includechildren=true
|
|
</div>
|
|
<div class="footer-section">
|
|
<span class="footer-label">Web Learning Source:</span> https://observablehq.com/@d3/force-directed-graph
|
|
</div>
|
|
<div class="footer-section">
|
|
<span class="footer-label">Techniques Applied:</span> d3.forceSimulation() with forceLink(), forceManyBody(), forceCenter(), forceCollide() | SVG node/link rendering | Drag interactions with dragstarted/dragged/dragended | Tick-based position updates | Zoom/pan behavior
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
<script>
|
|
// Configuration
|
|
const width = window.innerWidth;
|
|
const height = window.innerHeight;
|
|
|
|
// Create SVG
|
|
const svg = d3.select("#graph")
|
|
.attr("viewBox", [0, 0, width, height]);
|
|
|
|
// Create groups for links and nodes (order matters for z-index)
|
|
const linkGroup = svg.append("g").attr("class", "links");
|
|
const nodeGroup = svg.append("g").attr("class", "nodes");
|
|
const labelGroup = svg.append("g").attr("class", "labels");
|
|
|
|
// Tooltip
|
|
const tooltip = d3.select("#tooltip");
|
|
|
|
// Color scale for SDG goals
|
|
const colorScale = d3.scaleOrdinal(d3.schemeSet3);
|
|
|
|
// Fetch and process UN SDG data
|
|
async function fetchSDGData() {
|
|
try {
|
|
const response = await fetch('https://unstats.un.org/SDGAPI/v1/sdg/Goal/List?includechildren=true');
|
|
const data = await response.json();
|
|
return data;
|
|
} catch (error) {
|
|
console.error('Error fetching SDG data:', error);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// Transform SDG data into network graph format
|
|
function transformToGraph(sdgData) {
|
|
if (!sdgData || !Array.isArray(sdgData)) {
|
|
return { nodes: [], links: [] };
|
|
}
|
|
|
|
const nodes = sdgData.map(goal => ({
|
|
id: goal.code,
|
|
title: goal.title,
|
|
description: goal.description || goal.title,
|
|
targets: goal.targets ? goal.targets.length : 0,
|
|
color: goal.colorInfo?.hex || '#333333',
|
|
uri: goal.uri
|
|
}));
|
|
|
|
// Create links based on thematic relationships between SDGs
|
|
// SDGs are interconnected - we'll create a network based on common themes
|
|
const links = [];
|
|
const themes = {
|
|
poverty: [1, 2, 8, 10],
|
|
health: [2, 3, 6],
|
|
education: [4, 5, 8, 10],
|
|
gender: [5, 8, 10],
|
|
water: [6, 14, 15],
|
|
energy: [7, 9, 11, 12, 13],
|
|
economy: [8, 9, 10, 12],
|
|
infrastructure: [9, 11],
|
|
inequality: [10, 16],
|
|
cities: [11, 12, 13],
|
|
climate: [13, 14, 15],
|
|
oceans: [14],
|
|
land: [15],
|
|
peace: [16, 17],
|
|
partnerships: [17]
|
|
};
|
|
|
|
// Create links within each theme
|
|
Object.values(themes).forEach(themeGoals => {
|
|
for (let i = 0; i < themeGoals.length - 1; i++) {
|
|
for (let j = i + 1; j < themeGoals.length; j++) {
|
|
links.push({
|
|
source: themeGoals[i].toString(),
|
|
target: themeGoals[j].toString()
|
|
});
|
|
}
|
|
}
|
|
});
|
|
|
|
return { nodes, links };
|
|
}
|
|
|
|
// Initialize and run the visualization
|
|
async function init() {
|
|
const sdgData = await fetchSDGData();
|
|
d3.select("#loading").style("opacity", "0").style("pointer-events", "none");
|
|
|
|
if (!sdgData) {
|
|
alert("Failed to load SDG data. Please check your internet connection.");
|
|
return;
|
|
}
|
|
|
|
const graph = transformToGraph(sdgData);
|
|
|
|
// Create legend
|
|
const legend = d3.select("#legend");
|
|
legend.html('<div class="legend-title">UN Sustainable Development Goals</div>');
|
|
|
|
graph.nodes.slice(0, 6).forEach(node => {
|
|
const item = legend.append("div").attr("class", "legend-item");
|
|
item.append("div")
|
|
.attr("class", "legend-color")
|
|
.style("background-color", node.color);
|
|
item.append("span").text(`Goal ${node.id}: ${node.title.substring(0, 25)}...`);
|
|
});
|
|
|
|
// Apply D3 Force Simulation (learned from Observable)
|
|
const simulation = d3.forceSimulation(graph.nodes)
|
|
.force("link", d3.forceLink(graph.links)
|
|
.id(d => d.id)
|
|
.distance(100))
|
|
.force("charge", d3.forceManyBody()
|
|
.strength(-300))
|
|
.force("center", d3.forceCenter(width / 2, height / 2))
|
|
.force("collide", d3.forceCollide()
|
|
.radius(d => Math.max(30, d.targets * 3 + 10)))
|
|
.alphaDecay(0.02);
|
|
|
|
// Create links
|
|
const link = linkGroup.selectAll("line")
|
|
.data(graph.links)
|
|
.join("line")
|
|
.attr("class", "link");
|
|
|
|
// Create nodes
|
|
const node = nodeGroup.selectAll("circle")
|
|
.data(graph.nodes)
|
|
.join("circle")
|
|
.attr("class", "node")
|
|
.attr("r", d => Math.max(15, d.targets * 2 + 8))
|
|
.attr("fill", d => d.color)
|
|
.attr("stroke", "#fff")
|
|
.attr("stroke-width", 2)
|
|
.call(drag(simulation))
|
|
.on("mouseover", function(event, d) {
|
|
tooltip.classed("visible", true)
|
|
.html(`
|
|
<div class="tooltip-title">Goal ${d.id}: ${d.title}</div>
|
|
<div class="tooltip-description">${d.description}</div>
|
|
<div class="tooltip-targets">${d.targets} targets</div>
|
|
`)
|
|
.style("left", (event.pageX + 15) + "px")
|
|
.style("top", (event.pageY - 15) + "px");
|
|
})
|
|
.on("mouseout", function() {
|
|
tooltip.classed("visible", false);
|
|
});
|
|
|
|
// Create labels
|
|
const label = labelGroup.selectAll("text")
|
|
.data(graph.nodes)
|
|
.join("text")
|
|
.attr("class", "node-label")
|
|
.text(d => d.id);
|
|
|
|
// Implement drag behavior (learned from Observable)
|
|
function drag(simulation) {
|
|
function dragstarted(event) {
|
|
if (!event.active) simulation.alphaTarget(0.3).restart();
|
|
event.subject.fx = event.subject.x;
|
|
event.subject.fy = event.subject.y;
|
|
}
|
|
|
|
function dragged(event) {
|
|
event.subject.fx = event.x;
|
|
event.subject.fy = event.y;
|
|
}
|
|
|
|
function dragended(event) {
|
|
if (!event.active) simulation.alphaTarget(0);
|
|
event.subject.fx = null;
|
|
event.subject.fy = null;
|
|
}
|
|
|
|
return d3.drag()
|
|
.on("start", dragstarted)
|
|
.on("drag", dragged)
|
|
.on("end", dragended);
|
|
}
|
|
|
|
// Update positions on each tick (learned from Observable)
|
|
simulation.on("tick", () => {
|
|
link
|
|
.attr("x1", d => d.source.x)
|
|
.attr("y1", d => d.source.y)
|
|
.attr("x2", d => d.target.x)
|
|
.attr("y2", d => d.target.y);
|
|
|
|
node
|
|
.attr("cx", d => d.x)
|
|
.attr("cy", d => d.y);
|
|
|
|
label
|
|
.attr("x", d => d.x)
|
|
.attr("y", d => d.y + 4);
|
|
});
|
|
|
|
// Add zoom and pan behavior
|
|
const zoom = d3.zoom()
|
|
.scaleExtent([0.5, 5])
|
|
.on("zoom", (event) => {
|
|
linkGroup.attr("transform", event.transform);
|
|
nodeGroup.attr("transform", event.transform);
|
|
labelGroup.attr("transform", event.transform);
|
|
});
|
|
|
|
svg.call(zoom);
|
|
|
|
// Initial animation
|
|
node.attr("r", 0)
|
|
.transition()
|
|
.duration(800)
|
|
.delay((d, i) => i * 50)
|
|
.attr("r", d => Math.max(15, d.targets * 2 + 8));
|
|
}
|
|
|
|
// Start the visualization
|
|
init();
|
|
|
|
// Handle window resize
|
|
window.addEventListener('resize', () => {
|
|
location.reload();
|
|
});
|
|
</script>
|
|
</body>
|
|
</html> |