Based on a couple of works by Mike Bostock, Radial Reingold–Tilford Tree and Collapsible Dendrogram, I put together an attempt at a Collapsible Radial Tree.
Created
March 15, 2019 19:02
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Collapsible Radial Tree in D3
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<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/d3/3.3.10/d3.min.js"></script> |
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var pubs = | |
{ | |
"name": "AUT-1", | |
"children": [ | |
{ | |
"name": "PUB-1","children": [ | |
{"name": "AUT-11","children": [ | |
{"name": "AFF-111"}, | |
{"name": "AFF-112"} | |
]}, | |
{"name": "AUT-12","children": [ | |
{"name": "AFF-121"} | |
]}, | |
{"name": "AUT-13","children": [ | |
{"name": "AFF-131"}, | |
{"name": "AFF-132"} | |
]}, | |
{"name": "AUT-14","children": [ | |
{"name": "AFF-141"} | |
]} | |
] | |
}, | |
{ | |
"name": "PUB-2","children": [ | |
{"name": "AUT-21"}, | |
{"name": "AUT-22"}, | |
{"name": "AUT-23"}, | |
{"name": "AUT-24"}, | |
{"name": "AUT-25"}, | |
{"name": "AUT-26"}, | |
{"name": "AUT-27"}, | |
{"name": "AUT-28","children":[ | |
{"name": "AFF-281"}, | |
{"name": "AFF-282"}, | |
{"name": "AFF-283"}, | |
{"name": "AFF-284"}, | |
{"name": "AFF-285"}, | |
{"name": "AFF-286"} | |
]} | |
] | |
}, | |
{"name": "PUB-3"}, | |
{ | |
"name": "PUB-4","children": [ | |
{"name": "AUT-41"}, | |
{"name": "AUT-42"}, | |
{"name": "AUT-43","children": [ | |
{"name": "AFF-431"}, | |
{"name": "AFF-432"}, | |
{"name": "AFF-433"}, | |
{"name": "AFF-434","children":[ | |
{"name": "ADD-4341"}, | |
{"name": "ADD-4342"}, | |
]} | |
]}, | |
{"name": "AUT-44"} | |
] | |
}, | |
{ | |
"name": "PUB-5","children": [ | |
{"name": "AUT-51","children":[ | |
{"name": "AFF-511"}, | |
{"name": "AFF-512"}, | |
{"name": "AFF-513"}, | |
{"name": "AFF-514"}, | |
{"name": "AFF-515"}, | |
{"name": "AFF-516"} | |
]}, | |
{"name": "AUT-52"}, | |
{"name": "AUT-53"}, | |
{"name": "AUT-54"}, | |
{"name": "AUT-55","children":[ | |
{"name": "AFF-551"}, | |
{"name": "AFF-552"}, | |
{"name": "AFF-553"}, | |
{"name": "AFF-554"} | |
]}, | |
{"name": "AUT-56"}, | |
{"name": "AUT-57"}, | |
{"name": "AUT-58"}, | |
{"name": "AUT-59"}, | |
{"name": "AUT-591"}, | |
{"name": "AUT-592"}, | |
{"name": "AUT-593"}, | |
{"name": "AUT-594"}, | |
{"name": "AUT-595"}, | |
{"name": "AUT-596"} | |
] | |
}, | |
{ | |
"name": "PUB-6","children": [ | |
{"name": "AUT-61","children":[ | |
{"name": "AFF-611"}, | |
{"name": "AFF-612"}, | |
{"name": "AFF-613"}, | |
{"name": "AFF-614","children":[ | |
{"name": "ADD-6141"}, | |
{"name": "ADD-6142"}, | |
]} | |
]}, | |
{"name": "AUT-62"}, | |
{"name": "AUT-63"}, | |
{"name": "AUT-64"}, | |
{"name": "AUT-65"}, | |
{"name": "AUT-66"}, | |
{"name": "AUT-67"}, | |
{"name": "AUT-68"}, | |
{"name": "AUT-69"} | |
] | |
} | |
] | |
}; | |
var diameter = 800; | |
var margin = {top: 20, right: 120, bottom: 20, left: 120}, | |
width = diameter, | |
height = diameter; | |
var i = 0, | |
duration = 350, | |
root; | |
var tree = d3.layout.tree() | |
.size([360, diameter / 2 - 80]) | |
.separation(function(a, b) { return (a.parent == b.parent ? 1 : 10) / a.depth; }); | |
var diagonal = d3.svg.diagonal.radial() | |
.projection(function(d) { return [d.y, d.x / 180 * Math.PI]; }); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width ) | |
.attr("height", height ) | |
.append("g") | |
.attr("transform", "translate(" + diameter / 2 + "," + diameter / 2 + ")"); | |
root = pubs; | |
root.x0 = height / 2; | |
root.y0 = 0; | |
//root.children.forEach(collapse); // start with all children collapsed | |
update(root); | |
d3.select(self.frameElement).style("height", "800px"); | |
function update(source) { | |
// Compute the new tree layout. | |
var nodes = tree.nodes(root), | |
links = tree.links(nodes); | |
// Normalize for fixed-depth. | |
nodes.forEach(function(d) { d.y = d.depth * 80; }); | |
// Update the nodes… | |
var node = svg.selectAll("g.node") | |
.data(nodes, function(d) { return d.id || (d.id = ++i); }); | |
// Enter any new nodes at the parent's previous position. | |
var nodeEnter = node.enter().append("g") | |
.attr("class", "node") | |
//.attr("transform", function(d) { return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")"; }) | |
.on("click", click); | |
nodeEnter.append("circle") | |
.attr("r", 1e-6) | |
.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; }); | |
nodeEnter.append("text") | |
.attr("x", 10) | |
.attr("dy", ".35em") | |
.attr("text-anchor", "start") | |
//.attr("transform", function(d) { return d.x < 180 ? "translate(0)" : "rotate(180)translate(-" + (d.name.length * 8.5) + ")"; }) | |
.text(function(d) { return d.name; }) | |
.style("fill-opacity", 1e-6); | |
// Transition nodes to their new position. | |
var nodeUpdate = node.transition() | |
.duration(duration) | |
.attr("transform", function(d) { return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")"; }) | |
nodeUpdate.select("circle") | |
.attr("r", 4.5) | |
.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; }); | |
nodeUpdate.select("text") | |
.style("fill-opacity", 1) | |
.attr("transform", function(d) { return d.x < 180 ? "translate(0)" : "rotate(180)translate(-" + (d.name.length + 50) + ")"; }); | |
// TODO: appropriate transform | |
var nodeExit = node.exit().transition() | |
.duration(duration) | |
//.attr("transform", function(d) { return "diagonal(" + source.y + "," + source.x + ")"; }) | |
.remove(); | |
nodeExit.select("circle") | |
.attr("r", 1e-6); | |
nodeExit.select("text") | |
.style("fill-opacity", 1e-6); | |
// Update the links… | |
var link = svg.selectAll("path.link") | |
.data(links, function(d) { return d.target.id; }); | |
// Enter any new links at the parent's previous position. | |
link.enter().insert("path", "g") | |
.attr("class", "link") | |
.attr("d", function(d) { | |
var o = {x: source.x0, y: source.y0}; | |
return diagonal({source: o, target: o}); | |
}); | |
// Transition links to their new position. | |
link.transition() | |
.duration(duration) | |
.attr("d", diagonal); | |
// Transition exiting nodes to the parent's new position. | |
link.exit().transition() | |
.duration(duration) | |
.attr("d", function(d) { | |
var o = {x: source.x, y: source.y}; | |
return diagonal({source: o, target: o}); | |
}) | |
.remove(); | |
// Stash the old positions for transition. | |
nodes.forEach(function(d) { | |
d.x0 = d.x; | |
d.y0 = d.y; | |
}); | |
} | |
// Toggle children on click. | |
function click(d) { | |
if (d.children) { | |
d._children = d.children; | |
d.children = null; | |
} else { | |
d.children = d._children; | |
d._children = null; | |
} | |
update(d); | |
} | |
// Collapse nodes | |
function collapse(d) { | |
if (d.children) { | |
d._children = d.children; | |
d._children.forEach(collapse); | |
d.children = null; | |
} | |
} |
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.node { | |
cursor: pointer; | |
} | |
.node circle { | |
fill: #fff; | |
stroke: steelblue; | |
stroke-width: 1.5px; | |
} | |
.node text { | |
font: 10px sans-serif; | |
} | |
.link { | |
fill: none; | |
stroke: #ccc; | |
stroke-width: 1.5px; | |
} |
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