Converting data from the python networkx graph manipulation library into a d3 hierarchy.
For Stack Overflow question how to use d3.js to visualise a json tree graph
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July 22, 2023 14:17
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StackOverflow: radial tidy tree with networkx data
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| license: mit | |
| border: yes | |
| scrolling: yes | |
| height: 600 |
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| { | |
| "issueid": "3295658", | |
| "issuetype": "Portfolio-Epic", | |
| "status": "In Progress", | |
| "pirank": 24, | |
| "id": "ATROB-2523", | |
| "children": [ | |
| { | |
| "issueid": "3288189", | |
| "issuetype": "Epic", | |
| "status": "Implementation", | |
| "id": "ATTDATA-233", | |
| "children": [ | |
| { | |
| "issueid": "3305730", | |
| "issuetype": "Task", | |
| "status": "Implementation", | |
| "id": "ATTDATA-363" | |
| }, | |
| { | |
| "issueid": "3305723", | |
| "issuetype": "Task", | |
| "status": "Open", | |
| "id": "ATTDATA-361" | |
| }, | |
| { | |
| "issueid": "3301728", | |
| "issuetype": "Task", | |
| "status": "Open", | |
| "id": "ATTDATA-336" | |
| }, | |
| { | |
| "issueid": "3297381", | |
| "issuetype": "Task", | |
| "status": "Closed", | |
| "id": "ATTDATA-300" | |
| }, | |
| { | |
| "issueid": "3295913", | |
| "issuetype": "Task", | |
| "status": "Review", | |
| "id": "ATTDATA-290" | |
| }, | |
| { | |
| "issueid": "3295893", | |
| "issuetype": "Task", | |
| "status": "Open", | |
| "id": "ATTDATA-289" | |
| }, | |
| { | |
| "issueid": "3291658", | |
| "issuetype": "Task", | |
| "status": "Closed", | |
| "id": "ATTDATA-256" | |
| }, | |
| { | |
| "issueid": "3291653", | |
| "issuetype": "Task", | |
| "status": "Closed", | |
| "id": "ATTDATA-255" | |
| }, | |
| { | |
| "issueid": "3291530", | |
| "issuetype": "Task", | |
| "status": "Open", | |
| "id": "ATTDATA-253" | |
| }, | |
| { | |
| "issueid": "3290232", | |
| "issuetype": "Task", | |
| "status": "Open", | |
| "id": "ATTDATA-247" | |
| }, | |
| { | |
| "issueid": "3287061", | |
| "issuetype": "Task", | |
| "status": "Resolved", | |
| "id": "ATTDATA-226" | |
| } | |
| ] | |
| }, | |
| { | |
| "issueid": "3300899", | |
| "issuetype": "Request", | |
| "status": "REJECTED", | |
| "id": "ATI-1478" | |
| } | |
| ] | |
| } |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <head> | |
| <style> | |
| .node circle { | |
| fill: #999; | |
| } | |
| .node text { | |
| font: 10px sans-serif; | |
| } | |
| .node--internal circle { | |
| fill: #555; | |
| } | |
| .node--internal text { | |
| text-shadow: 0 1px 0 #fff, 0 -1px 0 #fff, 1px 0 0 #fff, -1px 0 0 #fff; | |
| } | |
| .link { | |
| fill: none; | |
| stroke: #555; | |
| stroke-opacity: 0.4; | |
| stroke-width: 1.5px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg width="960" height="1060"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var svg = d3.select("svg"), | |
| width = +svg.attr("width"), | |
| height = +svg.attr("height"), | |
| g = svg.append("g").attr("transform", "translate(" + (width / 2 + 40) + ",400)"); | |
| var tree = d3.tree() | |
| .size([2 * Math.PI, 300]) | |
| .separation(function(a, b) { return (a.parent == b.parent ? 1 : 2) / a.depth; }); | |
| d3.json("data.json", function(error, data) { | |
| if (error) throw error; | |
| var root = tree(d3.hierarchy(data)); | |
| var link = g.selectAll(".link") | |
| .data(root.links()) | |
| .enter().append("path") | |
| .attr("class", "link") | |
| .attr("d", d3.linkRadial() | |
| .angle(function(d) { return d.x; }) | |
| .radius(function(d) { return d.y; })); | |
| var node = g.selectAll(".node") | |
| .data(root.descendants()) | |
| .enter().append("g") | |
| .attr("class", function(d) { return "node" + (d.children ? " node--internal" : " node--leaf"); }) | |
| .attr("transform", function(d) { return "translate(" + radialPoint(d.x, d.y) + ")"; }); | |
| node.append("circle") | |
| .attr("r", 2.5); | |
| node.append("text") | |
| .attr("dy", "0.31em") | |
| .attr("x", function(d) { return d.x < Math.PI === !d.children ? 6 : -6; }) | |
| .attr("text-anchor", function(d) { return d.x < Math.PI === !d.children ? "start" : "end"; }) | |
| .attr("transform", function(d) { return "rotate(" + (d.x < Math.PI ? d.x - Math.PI / 2 : d.x + Math.PI / 2) * 180 / Math.PI + ")"; }) | |
| .text(function(d) { | |
| return d.data.id | |
| }); | |
| }); | |
| function radialPoint(x, y) { | |
| return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; | |
| } | |
| </script> | |
| </body> | |
| </html> |
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