element provides an accessible, short-text description of any SVG container element or graphics element. //Text in a <title> element is not rendered as part of the graphic, but browsers usually display it as a tooltip. link.append("title") .text(d => d.type); const edgepaths = svg.selectAll(".edgepath") //make path go along with the link provide position for link labels .data(dataset.links) .enter() .append('path') .attr('class', 'edgepath') .attr('fill-opacity', 0) .attr('stroke-opacity', 0) .attr('id', function (d, i) {return 'edgepath' + i}) .style("pointer-events", "none"); const edgelabels = svg.selectAll(".edgelabel") .data(dataset.links) .enter() .append('text') .style("pointer-events", "none") .attr('class', 'edgelabel') .attr('id', function (d, i) {return 'edgelabel' + i}) .attr('font-size', 10) .attr('fill', '#aaa'); edgelabels.append('textPath') //To render text along the shape of a <path>, enclose the text in a <textPath> element that has an href attribute with a reference to the <path> element. .attr('xlink:href', function (d, i) {return '#edgepath' + i}) .style("text-anchor", "middle") .style("pointer-events", "none") .attr("startOffset", "50%") .text(d => d.type); // Initialize the nodes const node = svg.selectAll(".nodes") .data(dataset.nodes) .enter() .append("g") .attr("class", "nodes") node.call(d3.drag() //sets the event listener for the specified typenames and returns the drag behavior. .on("start", dragstarted) //start - after a new pointer becomes active (on mousedown or touchstart). .on("drag", dragged) //drag - after an active pointer moves (on mousemove or touchmove). ); node.append("circle") .attr("r", d=> 17)//+ d.runtime/20 ) .attr("id",d=> "circle"+d.id) .style("stroke", "grey") .style("stroke-opacity",0.3) .style("stroke-width", d => d.id) .style("fill", d => colorScale(d.cc)) node.append("title") .text(d => d.id + "| " + d.name); node.append("text") .attr("dy", 4) .attr("dx", -15) .text(d => d.name); node.append("text") .attr("dy",12) .attr("dx", -8) .text(d=> d.runtime); //set up dictionary of neighbors var neighborTarget= {}; for (var i=0; i < dataset.nodes.length; i++ ){ var id = dataset.nodes[i].id; neighborTarget[id] = dataset.links.filter(function(d){ return d.source == id; }).map(function(d){ return d.target; }) } var neighborSource = {}; for (var i=0; i < dataset.nodes.length; i++ ){ var id = dataset.nodes[i].id; neighborSource[id] = dataset.links.filter(function(d){ return d.target == id; }).map(function(d){ return d.source; }) } console.log("neighborSource is ",neighborSource); console.log("neighborTarget is ",neighborTarget); node.selectAll("circle").on("click",function(d){ var active = d.active? false : true // toggle whether node is active , newStroke = active ? "yellow":"grey" , newStrokeIn = active ? "green":"grey" , newStrokeOut = active? "red": "grey" , newOpacity = active? 0.6: 0.3 , subgraphOpacity = active? 0.9:0; subgraph.selectAll("text") .text("ASN: " +d.id) .attr("dy",14) .attr("dx",14) //extract node's id and ids of its neighbors var id =d.id , neighborS = neighborSource[id] , neighborT = neighborTarget[id]; console.log("neighbors is from ",neighborS," to ", neighborT); d3.selectAll("#circle"+id).style("stroke-opacity", newOpacity); d3.selectAll("#circle"+id).style("stroke", newStroke); d3.selectAll("#subgraph").style("opacity",subgraphOpacity) //highlight the current node and its neighbors for (var i =0; i < neighborS.length; i++){ d3.selectAll("#line"+neighborS[i]+id).style("stroke", newStrokeIn); d3.selectAll("#circle"+neighborS[i]).style("stroke-opacity", newOpacity).style("stroke", newStrokeIn); } for (var i =0; i < neighborT.length; i++){ d3.selectAll("#line"+id+neighborT[i]).style("stroke", newStrokeOut); d3.selectAll("#circle"+neighborT[i]).style("stroke-opacity", newOpacity).style("stroke", newStrokeOut); } //update whether or not the node is active d.active =active; }) //Listen for tick events to render the nodes as they update in your Canvas or SVG. simulation .nodes(dataset.nodes) .on("tick", ticked); simulation.force("link") .links(dataset.links); // This function is run at each iteration of the force algorithm, updating the nodes position (the nodes data array is directly manipulated). function ticked() { 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("transform", d => `translate(${d.x},${d.y})`); edgepaths.attr('d', d => 'M ' + d.source.x + ' ' + d.source.y + ' L ' + d.target.x + ' ' + d.target.y); } //When the drag gesture starts, the targeted node is fixed to the pointer //The simulation is temporarily “heated” during interaction by setting the target alpha to a non-zero value. function dragstarted(d) { if (!d3.event.active) simulation.alphaTarget(0.3).restart();//sets the current target alpha to the specified number in the range [0,1]. d.fy = d.y; //fx - the node’s fixed x-position. Original is null. d.fx = d.x; //fy - the node’s fixed y-position. Original is null. } //When the drag gesture starts, the targeted node is fixed to the pointer function dragged(d) { d.fx = d3.event.x; d.fy = d3.event.y; } //drawing the legend const legend_g = svg.selectAll(".legend") // .data(dataset.cc) .enter().append("g") .attr("transform", (d, i) => `translate(${width},${i * 20})`); legend_g.append("circle") .attr("cx", 0) .attr("cy", 0) .attr("r", 5) .attr("fill", colorScale); legend_g.append("text") .attr("x", 10) .attr("y", 5) .text(d => d); return div }2e:[{"id":"d1944827ddf7b1f761dbab2a44c5dd24e30b9f5dbc8f5fbf6648b629101f403311fcdbd5bbbb512a9457ae511e63aee0d06eeec7eb73a5dd615e4427044a1fb6","href":"https://static.observableusercontent.com/files/d1944827ddf7b1f761dbab2a44c5dd24e30b9f5dbc8f5fbf6648b629101f403311fcdbd5bbbb512a9457ae511e63aee0d06eeec7eb73a5dd615e4427044a1fb6","name":"family-asn-topology@8.json","type":"application/json","lastModified":1680283448597.21,"size":12930}] 2b:{"id":"355a0286b2e61aad","slug":null,"title":"Topology from 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from RIPE Atlas Traceroutes","cells":[{"id":0,"value":"md`# Topology from RIPE Atlas Traceroutes`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":213,"value":"viewof dataset = Inputs.select(familyAsnTopology, {label: \"Select a family\", format: x => x.fam})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":397,"value":"familyAsnTopology = FileAttachment(\"family-asn-topology@8.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":362,"value":"dataset","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":353,"value":"//familyAsnTopology1 = FileAttachment(\"family-asn-topology.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":27,"value":"$2d","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":407,"value":"familyAsnTopology8 = FileAttachment(\"family-asn-topology@8.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":389,"value":"//familyAsnTopology = FileAttachment(\"family-asn-topology@6.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":378,"value":"//familyAsnTopology = FileAttachment(\"family-asn-topology@5.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":211,"value":"//data = familyAsnTopology.map(d => {\n// return {\n// ...d,\n// nodes: d.asns,\n// };\n//});","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":224,"value":"//printTable(data)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":312,"value":"d3 = require('d3@5')","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":318,"value":"margin = ({top: 30, right: 80, bottom: 5, left: 5}); ","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":322,"value":"width = 890 - margin.left - margin.right","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":325,"value":"height = 800 - margin.top - margin.bottom","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":287,"value":"//import {d3} from \"https://cdn.skypack.dev/d3@7.0.0\";","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":328,"value":"html`\n<style> \n\n .links { \n // stroke: #999; \n stroke-opacity: 0.4; \n // stroke-width: 1px; \n }\n\n text {\n pointer-events: none;\n fill: #000;\n font: 10px sans-serif;\n }\n\n svg{\n border:1px solid #000;\n }\n\n</style>`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":334,"value":"import {printTable} from \"@uwdata/data-utilities\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":338,"value":"colorScale = d3.scaleOrdinal() //=d3.scaleOrdinal(d3.schemeSet2)\n.domain([\"Team A\", \"Team B\", \"Team C\", \"Team D\", \"Team E\"])\n.range(['#ff9e6d', '#86cbff', '#c2e5a0','#fff686','#9e79db'])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":341,"value":"//create a simulation for an array of nodes, and compose the desired forces.\nsimulation = d3.forceSimulation()\n .force(\"link\", d3.forceLink() // This force provides links between nodes\n .id(d => d.id) // This sets the node id accessor to the specified function. If not specified, will default to the index of a node.\n .distance(120)\n ) \n .force(\"charge\", d3.forceManyBody().strength(-700)) // This adds repulsion (if it's negative) between nodes. \n .force(\"center\", d3.forceCenter(width / 2, height / 2)); // This force attracts nodes to the center of the svg area","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W2e","stdlib":"1","titling":"auto"}} 2c:"$2b:body" </article></body></html>

27:null 28:["$","title",null,{"children":"Topology from RIPE Atlas Traceroutes | qasimlone | Observable"}] 2d:T21fc,myChart={ const div = html`

`; const svg = d3.select(div) .append("svg") .attr("width", width + margin.left + margin.right) .attr("height", height + margin.top + margin.bottom) .append("g") .attr("transform", `translate(${margin.left},${margin.top})`); const subgraphWidth = width*2/8; const subgraphHeight = height*1/5; const subgraph = svg.append("g") .attr("id", "subgraph") .attr("transform", `translate(${width - subgraphWidth - 20}, 0)`); subgraph.append("text") .style("font-size","16px") //appending little triangles, path object, as arrowhead //The element is used to store graphical objects that will be used at a later time //The element defines the graphic that is to be used for drawing arrowheads or polymarkers on a given , , or element. svg.append('defs').append('marker') .attr("id",'arrowhead') .attr('viewBox','-0 -5 10 10') //the bound of the SVG viewport for the current SVG fragment. defines a coordinate system 10 wide and 10 high starting on (0,-5) .attr('refX',24) // x coordinate for the reference point of the marker. If circle is bigger, this need to be bigger. .attr('refY',0) .attr('orient','auto') .attr('markerWidth',6) .attr('markerHeight',6) .attr('xoverflow','visible') .append('svg:path') .attr('d', 'M 0,-5 L 10 ,0 L 0,5') .attr('fill', '#999') .style('stroke','none'); svg.append("text") .text("Traceroute Topology") .attr("text-anchor","middle") .attr("x",width/2) .style("font-size","20px") console.log("dataset is ...",dataset); // Initialize the links const link = svg.selectAll(".links") .data(dataset.links) .enter() .append("line") .attr("class", "links") .attr("stroke","#999") .attr("stroke-width","2px") .style("opacity", 0.8) .attr("id",d=> "line"+d.source+d.target) .attr("class", "links") .attr('marker-end','url(#arrowhead)') //The marker-end attribute defines the arrowhead or polymarker that will be drawn at the final vertex of the given shape. //The element provides an accessible, short-text description of any SVG container element or graphics element. //Text in a <title> element is not rendered as part of the graphic, but browsers usually display it as a tooltip. link.append("title") .text(d => d.type); const edgepaths = svg.selectAll(".edgepath") //make path go along with the link provide position for link labels .data(dataset.links) .enter() .append('path') .attr('class', 'edgepath') .attr('fill-opacity', 0) .attr('stroke-opacity', 0) .attr('id', function (d, i) {return 'edgepath' + i}) .style("pointer-events", "none"); const edgelabels = svg.selectAll(".edgelabel") .data(dataset.links) .enter() .append('text') .style("pointer-events", "none") .attr('class', 'edgelabel') .attr('id', function (d, i) {return 'edgelabel' + i}) .attr('font-size', 10) .attr('fill', '#aaa'); edgelabels.append('textPath') //To render text along the shape of a <path>, enclose the text in a <textPath> element that has an href attribute with a reference to the <path> element. .attr('xlink:href', function (d, i) {return '#edgepath' + i}) .style("text-anchor", "middle") .style("pointer-events", "none") .attr("startOffset", "50%") .text(d => d.type); // Initialize the nodes const node = svg.selectAll(".nodes") .data(dataset.nodes) .enter() .append("g") .attr("class", "nodes") node.call(d3.drag() //sets the event listener for the specified typenames and returns the drag behavior. .on("start", dragstarted) //start - after a new pointer becomes active (on mousedown or touchstart). .on("drag", dragged) //drag - after an active pointer moves (on mousemove or touchmove). ); node.append("circle") .attr("r", d=> 17)//+ d.runtime/20 ) .attr("id",d=> "circle"+d.id) .style("stroke", "grey") .style("stroke-opacity",0.3) .style("stroke-width", d => d.id) .style("fill", d => colorScale(d.cc)) node.append("title") .text(d => d.id + "| " + d.name); node.append("text") .attr("dy", 4) .attr("dx", -15) .text(d => d.name); node.append("text") .attr("dy",12) .attr("dx", -8) .text(d=> d.runtime); //set up dictionary of neighbors var neighborTarget= {}; for (var i=0; i < dataset.nodes.length; i++ ){ var id = dataset.nodes[i].id; neighborTarget[id] = dataset.links.filter(function(d){ return d.source == id; }).map(function(d){ return d.target; }) } var neighborSource = {}; for (var i=0; i < dataset.nodes.length; i++ ){ var id = dataset.nodes[i].id; neighborSource[id] = dataset.links.filter(function(d){ return d.target == id; }).map(function(d){ return d.source; }) } console.log("neighborSource is ",neighborSource); console.log("neighborTarget is ",neighborTarget); node.selectAll("circle").on("click",function(d){ var active = d.active? false : true // toggle whether node is active , newStroke = active ? "yellow":"grey" , newStrokeIn = active ? "green":"grey" , newStrokeOut = active? "red": "grey" , newOpacity = active? 0.6: 0.3 , subgraphOpacity = active? 0.9:0; subgraph.selectAll("text") .text("ASN: " +d.id) .attr("dy",14) .attr("dx",14) //extract node's id and ids of its neighbors var id =d.id , neighborS = neighborSource[id] , neighborT = neighborTarget[id]; console.log("neighbors is from ",neighborS," to ", neighborT); d3.selectAll("#circle"+id).style("stroke-opacity", newOpacity); d3.selectAll("#circle"+id).style("stroke", newStroke); d3.selectAll("#subgraph").style("opacity",subgraphOpacity) //highlight the current node and its neighbors for (var i =0; i < neighborS.length; i++){ d3.selectAll("#line"+neighborS[i]+id).style("stroke", newStrokeIn); d3.selectAll("#circle"+neighborS[i]).style("stroke-opacity", newOpacity).style("stroke", newStrokeIn); } for (var i =0; i < neighborT.length; i++){ d3.selectAll("#line"+id+neighborT[i]).style("stroke", newStrokeOut); d3.selectAll("#circle"+neighborT[i]).style("stroke-opacity", newOpacity).style("stroke", newStrokeOut); } //update whether or not the node is active d.active =active; }) //Listen for tick events to render the nodes as they update in your Canvas or SVG. simulation .nodes(dataset.nodes) .on("tick", ticked); simulation.force("link") .links(dataset.links); // This function is run at each iteration of the force algorithm, updating the nodes position (the nodes data array is directly manipulated). function ticked() { 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("transform", d => `translate(${d.x},${d.y})`); edgepaths.attr('d', d => 'M ' + d.source.x + ' ' + d.source.y + ' L ' + d.target.x + ' ' + d.target.y); } //When the drag gesture starts, the targeted node is fixed to the pointer //The simulation is temporarily “heated” during interaction by setting the target alpha to a non-zero value. function dragstarted(d) { if (!d3.event.active) simulation.alphaTarget(0.3).restart();//sets the current target alpha to the specified number in the range [0,1]. d.fy = d.y; //fx - the node’s fixed x-position. Original is null. d.fx = d.x; //fy - the node’s fixed y-position. Original is null. } //When the drag gesture starts, the targeted node is fixed to the pointer function dragged(d) { d.fx = d3.event.x; d.fy = d3.event.y; } //drawing the legend const legend_g = svg.selectAll(".legend") // .data(dataset.cc) .enter().append("g") .attr("transform", (d, i) => `translate(${width},${i * 20})`); legend_g.append("circle") .attr("cx", 0) .attr("cy", 0) .attr("r", 5) .attr("fill", colorScale); legend_g.append("text") .attr("x", 10) .attr("y", 5) .text(d => d); return div }2e:[{"id":"d1944827ddf7b1f761dbab2a44c5dd24e30b9f5dbc8f5fbf6648b629101f403311fcdbd5bbbb512a9457ae511e63aee0d06eeec7eb73a5dd615e4427044a1fb6","href":"https://static.observableusercontent.com/files/d1944827ddf7b1f761dbab2a44c5dd24e30b9f5dbc8f5fbf6648b629101f403311fcdbd5bbbb512a9457ae511e63aee0d06eeec7eb73a5dd615e4427044a1fb6","name":"family-asn-topology@8.json","type":"application/json","lastModified":1680283448597.21,"size":12930}] 2b:{"id":"355a0286b2e61aad","slug":null,"title":"Topology from 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FileAttachment(\"family-asn-topology.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":27,"value":"$2d","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":407,"value":"familyAsnTopology8 = FileAttachment(\"family-asn-topology@8.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":389,"value":"//familyAsnTopology = FileAttachment(\"family-asn-topology@6.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":378,"value":"//familyAsnTopology = FileAttachment(\"family-asn-topology@5.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":211,"value":"//data = familyAsnTopology.map(d => {\n// return {\n// ...d,\n// nodes: d.asns,\n// };\n//});","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":224,"value":"//printTable(data)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":312,"value":"d3 = require('d3@5')","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":318,"value":"margin = ({top: 30, right: 80, bottom: 5, left: 5}); ","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":322,"value":"width = 890 - margin.left - margin.right","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":325,"value":"height = 800 - margin.top - margin.bottom","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":287,"value":"//import {d3} from \"https://cdn.skypack.dev/d3@7.0.0\";","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":328,"value":"html`\n<style> \n\n .links { \n // stroke: #999; \n stroke-opacity: 0.4; \n // stroke-width: 1px; \n }\n\n text {\n pointer-events: none;\n fill: #000;\n font: 10px sans-serif;\n }\n\n svg{\n border:1px solid #000;\n }\n\n</style>`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":334,"value":"import {printTable} from \"@uwdata/data-utilities\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":338,"value":"colorScale = d3.scaleOrdinal() //=d3.scaleOrdinal(d3.schemeSet2)\n.domain([\"Team A\", \"Team B\", \"Team C\", \"Team D\", \"Team E\"])\n.range(['#ff9e6d', '#86cbff', '#c2e5a0','#fff686','#9e79db'])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":341,"value":"//create a simulation for an array of nodes, and compose the desired forces.\nsimulation = d3.forceSimulation()\n .force(\"link\", d3.forceLink() // This force provides links between nodes\n .id(d => d.id) // This sets the node id accessor to the specified function. If not specified, will default to the index of a node.\n .distance(120)\n ) \n .force(\"charge\", d3.forceManyBody().strength(-700)) // This adds repulsion (if it's negative) between nodes. \n .force(\"center\", d3.forceCenter(width / 2, height / 2)); // This force attracts nodes to the center of the svg area","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W2e","stdlib":"1","titling":"auto"}} 2c:"$2b:body" </article></body></html>