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https://github.com/kalmarek/SmallHyperbolic
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add SmallHyperbolic/morphisms page
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89
docs/morphisms/index.html
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89
docs/morphisms/index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<script src="https://cdn.jsdelivr.net/npm/d3@7"></script>
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<!-- Bootstrap -->
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
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integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.8.1/font/bootstrap-icons.css">
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<!-- KaTeX -->
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.15.2/dist/katex.min.css"
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integrity="sha384-MlJdn/WNKDGXveldHDdyRP1R4CTHr3FeuDNfhsLPYrq2t0UBkUdK2jyTnXPEK1NQ" crossorigin="anonymous">
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<!-- The loading of KaTeX is deferred to speed up page rendering -->
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<script defer src="https://cdn.jsdelivr.net/npm/katex@0.15.2/dist/katex.min.js"
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integrity="sha384-VQ8d8WVFw0yHhCk5E8I86oOhv48xLpnDZx5T9GogA/Y84DcCKWXDmSDfn13bzFZY"
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crossorigin="anonymous"></script>
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<!-- To automatically render math in text elements, include the auto-render extension: -->
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<script defer src="https://cdn.jsdelivr.net/npm/katex@0.15.2/dist/contrib/auto-render.min.js"
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integrity="sha384-+XBljXPPiv+OzfbB3cVmLHf4hdUFHlWNZN5spNQ7rmHTXpd7WvJum6fIACpNNfIR" crossorigin="anonymous"
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onload="renderMathInElement(document.body);"></script>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<style type="text/css">
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body {
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background-color: #eee;
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font-family: "Helvetica", sans-serif;
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font-weight: 300;
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}
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.height {
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height: 100vh
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}
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.canvas {
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display: inline-block;
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position: absolute;
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width: 100%;
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height: 100vh;
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vertical-align: top;
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overflow: hidden;
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border: 1mm black;
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}
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.svg-content {
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display: inline-block;
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position: absolute;
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top: 0;
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left: 0;
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}
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.math {
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position: absolute;
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top: 2px;
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}
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.foreground {
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opacity: 1;
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filter: sepia(0.0);
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}
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.search-field {
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position: relative;
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/* width: 30%; */
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z-index: 1;
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}
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</style>
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</head>
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<body>
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<div class="canvas">
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<!-- <div class="container">
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<div class="search-field">
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<label for="exampleDataList" class="form-label">Datalist example</label>
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<input class="form-control" list="datalistOptions" id="exampleDataList" placeholder="Type to search...">
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<datalist id="datalistOptions">
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</datalist>
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</div>
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</div> -->
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</div>
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</body>
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<script type="text/javascript" src="../math_render.js"></script>
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<script type="text/javascript" src="js/d3_visualisation.js"></script>
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<script type="text/javascript" src="js/morphisms.js"></script>
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</html>
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221
docs/morphisms/js/d3_visualisation.js
vendored
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docs/morphisms/js/d3_visualisation.js
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function drag(simulation) {
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function dragstarted(event, d) {
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if (!event.active) simulation.alphaTarget(0.3).restart();
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d.fx = d.x;
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d.fy = d.y;
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}
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function dragged(event, d) {
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d.fx = event.x;
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d.fy = event.y;
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}
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function dragended(event, d) {
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if (!event.active) simulation.alphaTarget(0);
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d.fx = null;
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d.fy = null;
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}
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return d3.drag()
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.on("start", dragstarted)
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.on("drag", dragged)
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.on("end", dragended);
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}
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function linkArc(d) {
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const r = Math.hypot(d.target.x - d.source.x, d.target.y - d.source.y);
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return `
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M${d.source.x},${d.source.y}
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A${r},${r} 0 0,1 ${d.target.x},${d.target.y}
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`;
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}
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function highlight(node) {
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return node.transition()
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.duration('400')
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.attr('opacity', 1)
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.attr('filter', 'sepia(0.0)')
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;
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}
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function dehighlight(node) {
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return node.transition()
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.duration('400')
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.attr('opacity', 0.3)
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.attr('filter', 'sepia(0.8)')
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;
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}
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function _union(...arr) {
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return arr.reduce((first, second) => [...new Set(first.concat(second))]);
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}
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async function create_svg(
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data,
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width,
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height,
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) {
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let links = data.links;
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let nodes = data.nodes;
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let types = Array.from(new Set(nodes.map(d => d.level)));
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let color = d3.scaleOrdinal(types, d3.schemeSet1);
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d3.select("datalist")
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.selectAll("option")
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.data(nodes)
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.join("option")
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.attr("value", n=>n.id)
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.text(n=>n.id)
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const simulation = d3.forceSimulation(nodes)
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.force("link", d3.forceLink(links).id(d => d.id))
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.force("charge", d3.forceManyBody().strength(-400))
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.force("center", d3.forceCenter(width/2, height/2))
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.force("x", d3.forceX())
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.force("y", d3.forceY());
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const svg = d3.create("svg")
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.attr("preserveAspectRatio", "xMinYMin meet")
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.attr("viewBox", [0, 0, width, height])
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.classed("svg-content", true)
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.style("font", "12px sans-serif");
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// Per-type markers, as they don't inherit styles.
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svg.append("defs").selectAll("marker")
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.data(types)
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.join("marker")
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.attr("id", d => `arrow-${d}`)
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.attr("viewBox", "0 -5 10 10")
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.attr("refX", 15)
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.attr("refY", 0)
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.attr("markerWidth", 6)
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.attr("markerHeight", 6)
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.attr("orient", "auto")
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.append("path")
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.attr("fill", d=>color(d))
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.attr("d", "M0,-5 L10,0 L0,5 z")
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;
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const svg_content = svg.append("g")
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const link = svg_content.append("g")
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.attr("fill", "none")
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.attr("stroke-width", 1.5)
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.selectAll("path")
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.data(links)
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.join("path")
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.attr("stroke", d => color(d.source.level))
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.attr("marker-end", d => `url(${new URL(`#arrow-${d.source.level}`, location)})`)
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.attr("opacity", 0.3)
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.attr("filter", "sepia(0.8)")
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;
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function find_descendants(node) {
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let desc = links.filter(l => l.source.id == node.id );
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if (desc.length == 0) {
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return []
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} else {
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let all_desc = desc
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.map(d => find_descendants(d.target))
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.reduce(
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(total, item) => Array.from(new Set(total.concat(item))),
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desc.map(l=>l.target)
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)
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;
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return all_desc;
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// return _union(desc, _union(...desc.map(l=>find_descendants(l.target))));
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}
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};
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const descendants = {};
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nodes.forEach((node) => {
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let desc = find_descendants(node);
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desc.push(node)
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descendants[node.id] = desc;
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});
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console.log(descendants)
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function foreground_descendants(id) {
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node.classed("foreground", (n) => {
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return (descendants[id].find(v => v.id == n.id)) ? true : false;
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});
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link.classed("foreground", (n) => {
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let verts = descendants[id]
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return (verts.includes(n.source) && verts.includes(n.target)) ? true : false;
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});
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}
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d3.select("input").on("input", function () {
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let n = nodes.find(n => n.id == this.value)
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if (n) {
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foreground_descendants(n.id)
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// let transform = {k:1, x:n.x, y:n.y}
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console.log(n)
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d3.zoom().translateTo(svg_content,n.x, n.y)
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// console.log(transform)
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// svg_content.attr("transform", `translate(${n.x/2},${n.y/2})`)
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}
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});
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const node = svg_content.append("g")
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.attr("stroke-linecap", "round")
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.attr("stroke-linejoin", "round")
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.selectAll("g")
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.data(nodes)
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.join("g")
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.attr("class", d=>d.id)
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.attr("opacity", 0.3)
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.attr("filter", "sepia(0.8)")
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.on("mouseover", function (d, i) {
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highlight(d3.select(this));
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})
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.on("mouseout", function (d, i) {
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dehighlight(d3.select(this))
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})
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.on("click", function (d, i) {
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console.log(this)
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let id = this.classList[0];
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foreground_descendants(id);
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})
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.call(drag(simulation));
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// circles for nodes:
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node.append("circle")
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.attr("stroke", "white")
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.attr("stroke-width", 1.5)
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.attr("r", 5)
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.attr("fill", d => color(d.level));
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node.append("foreignObject")
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.attr("x", 10)
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.attr("y", "0.31em")
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.clone(true).lower()
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.attr("fill", "none")
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.attr("stroke", "white")
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.attr("stroke-width", 5)
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.append(d => createMathSpan(d.id));
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const zoom = d3.zoom()
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.scaleExtent([0.2, 5])
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// .translateExtent([[0, 0], [width, height]])
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.on("zoom", (e) => {
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console.log(e.transform)
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svg_content.attr("transform", e.transform)
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});
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svg.call(zoom)
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simulation.on("tick", () => {
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link.attr("d", linkArc);
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node.attr("transform", d => `translate(${d.x},${d.y})`);
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});
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return svg;
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}
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83
docs/morphisms/js/morphisms.js
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83
docs/morphisms/js/morphisms.js
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const morphisms_url = new URL("https://raw.githubusercontent.com/kalmarek/SmallHyperbolic/mk/morphisms/data/triangle_groups_morphisms.json")
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async function fetch_json(url) {
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try {
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let response = await fetch(url);
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let json = await response.json();
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return json;
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} catch (err) {
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console.log("Error while fetching json:" + err);
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}
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}
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;
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async function place_svg(svg) {
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d3.select("div.canvas")
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.append("div")
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.attr("class", "container-fluid")
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.attr("class", "svg-container")
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.node()
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.appendChild(svg.node());
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};
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async function add_search() {
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let input_grp = d3.select("div.canvas")
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.append("div")
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.classed("search-field", true)
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.append("div")
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.classed("container", true)
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// .append("div")
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// .classed("input-group", true)
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;
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// let floating = input_grp.insert("div")
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// .attr("class", "form-floating")
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let input = input_grp.insert("input")
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.attr("class", "form-control")
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.attr("list", "datalistOptions")
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.attr("id", "groupSearch")
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.attr("placeholder", "Type to search...");
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// input_grp.insert("label")
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// .attr("for", "groupSearch")
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// .text("Type to search...")
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input_grp.insert("datalist")
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.attr("id", "datalistOptions")
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// input_grp.append("button")
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// .classed("btn btn-primary", true)
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// .attr("type", "button")
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// .attr("id", "searchBtn")
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// .append("i")
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// .classed("bi-search", true)
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// ;
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}
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async function show_katex() {
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let math_objects = document.getElementsByClassName("math");
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let toggle = true;
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for (let elt of math_objects) {
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toggleKaTeX(elt, toggle);
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let fObj = elt.parentElement;
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let rect = elt.getElementsByClassName("math-tex")[0].getBoundingClientRect();
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fObj.setAttribute("width", rect.width+4);
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fObj.setAttribute("height", rect.height+4);
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}
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};
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add_search()
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fetch_json(morphisms_url)
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// .then(async (data) => { console.log(data); return data;})
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.then(async (data) => {
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return create_svg(data, window.innerWidth, window.innerHeight);
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})
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// .then(async (data) => { console.log(data); return data; })
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.then(place_svg)
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.then(show_katex)
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// .then(add_search)
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;
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