2d:null 2e:["$","title",null,{"children":"Evolutionary System of Mineralogy Part 8 Unipartite Network | Anirudh Prabhu | Observable"}] 33:Tc61,chart = { const svg = d3.create("svg") .attr("viewBox", [0, 0, width, height]); svg.append('rect') .attr('width', '100%') .attr('height', '100%') .attr('fill', 'white') .on('click', function() { // Restore nodes and links to normal opacity. d3.selectAll('.link').style('stroke-opacity', '0.6'); d3.selectAll('.node').style('opacity', '1'); }); var container = svg.append('g'); // Call zoom for svg container. svg.call(zoom(container)); var link = container.append("g") .attr("class", "links") .selectAll("line"); var node = container.append("g") .attr("class", "nodes") .selectAll("circle"); // Make object of all neighboring nodes. var linkedByIndex = {}; json.links.forEach(function(d) { linkedByIndex[d.source.index + ',' + d.target.index] = 1; linkedByIndex[d.target.index + ',' + d.source.index] = 1; }); // A function to test if two nodes are neighboring. function neighboring(a, b) { return linkedByIndex[a.index + ',' + b.index]; } return Object.assign(svg.node(), { update(nodes,links) { link = link.data(links, function(d) { return d.source.index + ", " + d.target.index;}); link.exit().remove(); var linkEnter = link.enter().append("line") .attr('class', 'link') .attr('stroke', 'gray'); link = linkEnter.merge(link); node = node.data(nodes); node.exit().remove(); var nodeEnter = node.enter().append("circle") // Use degree centrality from NetworkX in json. .attr('r', function(d, i) { return degreeSize(d.degree); }) // Color by group, a result of modularity calculation in NetworkX. .attr("fill", function(d) { return color(d.group); }) .attr('class', 'node') // On click, toggle ego networks for the selected node. .on('click', function(d, i) { // Ternary operator restyles links and nodes if they are adjacent. d3.selectAll('.link').style('stroke-opacity', function (l) { return l.target == d || l.source == d ? 1 : 0.1; }); d3.selectAll('.node').style('opacity', function (n) { return neighboring(d, n) ? 1 : 0.1; }); d3.select(this).style('opacity', 1); 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});\n let max = d3.max(json.links, function(d) {return d.weight; })\n let slider = html`\n Edge Weight Threshold: ${min}\n `;\n let label = slider.querySelector('label');\n let range = slider.querySelector('input');\n range.value = min\n range.oninput = () => {\n let threshold = range.valueAsNumber\n label.innerHTML = `Edge Weight Threshold: ${threshold}`\n let newLinks = json.links.filter(l => l.weight > threshold);\n chart.update(json.nodes,newLinks);\n };\n return slider;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":9,"value":"\t// A dropdown menu with three different centrality measures, calculated in NetworkX.\n\ndropdown = {\n let dropdown = html`\n Size Nodes By:\n `;\n let select = dropdown.querySelector('select');\n let label = dropdown.querySelector('label');\n dropdown.onchange = () => {\n var centrality = select.value;\n var centralitySize = d3.scaleLinear()\n .domain([d3.min(json.nodes, function(d) { return d[centrality]; }), d3.max(json.nodes, function(d) { return d[centrality]; })])\n .range([8,25]);\n d3.selectAll(\".node\").attr(\"r\", d => centralitySize(d[centrality]));\n }\n return dropdown;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":11,"value":"// Create form for search (see function below).\nsearch = {\n let search = html`\n Search by name:\n `;\n let label = search.querySelector('label');\n let input = search.querySelector('input');\n search.onkeyup = () => {\n var term = input.value;\n var selected = d3.selectAll('.node').filter(function (d, i) {\n return d.name.toLowerCase().search(term.toLowerCase()) == -1;\n });\n selected.style('opacity', '0');\n d3.selectAll('.link').attr('stroke-opacity', '0');\n d3.selectAll('.node').transition()\n .duration(5000)\n .style('opacity', '1');\n d3.selectAll('.link').transition().duration(5000).style('stroke-opacity', '0.6');\n }\n return search\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":13,"value":"height=1000;","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":15,"value":"simulation = d3.forceSimulation()\n .force(\"link\", d3.forceLink().id(function(d) { return d.index; }))\n .force(\"charge\", d3.forceManyBody().strength([-250]).distanceMax([500]))\n .force(\"center\", d3.forceCenter(width / 2, height / 2))\n .force(\"collide\", d3.forceCollide().radius( function (d) { return degreeSize(d.degree); }));","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":17,"value":"color = d3.scaleOrdinal(d3.schemeCategory10);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":19,"value":"// Linear scale for degree centrality.\ndegreeSize = d3.scaleLinear()\n .domain([d3.min(json.nodes, function(d) {return d.degree; }),d3.max(json.nodes, function(d) {return d.degree; })])\n .range([8,25]);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":21,"value":"drag = simulation => {\n \n function dragstarted(d) {\n if (!d3.event.active) simulation.alphaTarget(0.3).restart();\n d.fx = d.x;\n d.fy = d.y;\n }\n\n function dragged(d) {\n d.fx = d3.event.x;\n d.fy = d3.event.y;\n }\n\n function dragended(d) {\n if (!d3.event.active) simulation.alphaTarget(0);\n d.fx = null;\n d.fy = null;\n }\n \n return d3.drag()\n .on(\"start\", dragstarted)\n .on(\"drag\", dragged)\n .on(\"end\", dragended);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":23,"value":"zoom = container => {\n // Zooming function translates the size of the svg container.\n function zoomed() {\n container.attr(\"transform\", \"translate(\" + d3.event.transform.x + \", \" + d3.event.transform.y + \") scale(\" + d3.event.transform.k + \")\");\n }\n \n return d3.zoom().scaleExtent([0.5,3]).on('zoom', zoomed)\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":25,"value":"json = FileAttachment(\"EvolSysPart8_Unipartite_All_FINAL_8Sept2023@1.json\").json();","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":30,"value":"chart.update(json.nodes,json.links)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":32,"value":"d3 = require(\"d3@4\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":81,"value":"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":47,"value":"Adapted from Code: `https://observablehq.com/@jrladd/marvel-network`","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"}],"files":"$W34","stdlib":"1","titling":"auto"}} 32:"$31:body"