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@sfsheath
Forked from mbostock/.block
Last active August 29, 2015 13:57
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Late Roman Provinces Interactive Tree

From original gist: "An interactive version of a Reingold–Tilford tree. Click on the nodes to expand or collapse."

<!DOCTYPE html>
<meta charset="utf-8">
<style>
.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;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var margin = {top: 20, right: 120, bottom: 20, left: 120},
width = 960 - margin.right - margin.left,
height = 800 - margin.top - margin.bottom;
var i = 0,
duration = 750,
root;
var tree = d3.layout.tree()
.size([height, width]);
var diagonal = d3.svg.diagonal()
.projection(function(d) { return [d.y, d.x]; });
var svg = d3.select("body").append("svg")
.attr("width", width + margin.right + margin.left)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
d3.json("lr-provinces.json", function(error, flare) {
root = flare;
root.x0 = height / 2;
root.y0 = 0;
function collapse(d) {
if (d.children) {
d._children = d.children;
d._children.forEach(collapse);
d.children = null;
}
}
root.children.forEach(collapse);
update(root);
});
d3.select(self.frameElement).style("height", "800px");
function update(source) {
// Compute the new tree layout.
var nodes = tree.nodes(root).reverse(),
links = tree.links(nodes);
// Normalize for fixed-depth.
nodes.forEach(function(d) { d.y = d.depth * 180; });
// 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 "translate(" + source.y0 + "," + source.x0 + ")"; })
.on("click", click);
nodeEnter.append("circle")
.attr("r", 1e-6)
.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });
nodeEnter.append("text")
.attr("x", function(d) { return d.children || d._children ? -10 : 10; })
.attr("dy", ".35em")
.attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
.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 "translate(" + d.y + "," + d.x + ")"; });
nodeUpdate.select("circle")
.attr("r", 4.5)
.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });
nodeUpdate.select("text")
.style("fill-opacity", 1);
// Transition exiting nodes to the parent's new position.
var nodeExit = node.exit().transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + 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);
}
</script>
{
"name": "Imperium Romanorum",
"children": [
{
"name": "Galliae",
"children": [
{
"name": "Galliae",
"children": [
{
"name": "Belgica I"
},
{
"name": "Belgica II"
},
{
"name": "Belgica III"
},
{
"name": "Germania I"
},
{
"name": "Germania II"
},
{
"name": "Lugdunensis I"
},
{
"name": "Lugdunensis II"
},
{
"name": "Lugdunensis III"
},
{
"name": "Lugdunensis IV Senonia"
}
]
},
{
"name": "Viennensis",
"children": [
{
"name": "Viennensis"
},
{
"name": "Alpes Maritimae"
},
{
"name": "Aquitanica I"
},
{
"name": "Aquitanica II"
},
{
"name": "Novempopulana"
},
{
"name": "Narbonensis I"
},
{
"name": "Narbonensis II"
}
]
},
{
"name": "Hispaniae",
"children": [
{
"name": "Baetica"
},
{
"name": "Baleares"
},
{
"name": "Carthaginiensis"
},
{
"name": "Tarraconensis"
},
{
"name": "Gallaecia"
},
{
"name": "Lusitania"
},
{
"name": "Mauretania Tingitana"
}
]
},
{
"name": "Britanniae",
"children": [
{
"name": "Maxima Caesariensis"
},
{
"name": "Valentia"
},
{
"name": "Britannia Prima"
},
{
"name": "Britannia Secunda"
},
{
"name": "Flavia Caesariensis"
}
]
}
]
},
{
"name": "Italy and Africa",
"children": [
{
"name": "Italia suburbicaria",
"children": [
{
"name": "Campania"
},
{
"name": "Tuscania et Umbria"
},
{
"name": "Picenum Suburbicarium"
},
{
"name": "Bruttia et Lucania"
},
{
"name": "Samnium"
},
{
"name": "Valeria"
},
{
"name": "Corsica"
},
{
"name": "Sicilia"
},
{
"name": "Sardinia"
}
]
},{
"name": "Italia annonaria",
"children": [
{
"name": "Venetia et Istria"
},
{
"name": "Aemilia"
},
{
"name": "Liguria"
},
{
"name": "Flaminia et Picenum Annonarium"
},
{
"name": "Alpes Cottiae"
},
{
"name": "Raetia I"
},
{
"name": "Raetia II"
}
]
},{
"name": "Africa",
"children": [
{
"name": "Africa proconsularis"
},
{
"name": "Byzacena"
},
{
"name": "Mauretania Caesariensis"
},
{
"name": "Sitifensis"
},
{
"name": "Numidia"
},
{
"name": "Tripolitania"
}
]
}
]
},
{
"name": "Illyricum",
"children": [
{
"name": "Pannonia",
"children": [
{
"name": "Dalmatia"
},
{
"name": "Noricum mediterraneum"
},
{
"name": "Noricum ripense"
},
{
"name": "Pannonia Prima"
},
{
"name": "Pannonia Secunda"
},
{
"name": "Savia"
},
{
"name": "Valeria ripensis"
}
]
},
{
"name": "Dacia",
"children": [
{ "name": "Dacia mediterranea" },
{ "name": "Moesia I" },
{ "name": "Praevalitana" },
{ "name": "Dardania" },
{ "name": "Dacia ripensis" }
]
},
{
"name": "Macedonia",
"children": [
{ "name": "Macedonia Prima" },
{ "name": "Macedonia Salutaris" },
{ "name": "Thessalia" },
{ "name": "Epirus vetus" },
{ "name": "Epirus nova" },
{ "name": "Achaea" },
{ "name": "Creta" }
]
}
]
},
{
"name": "Oriens",
"children": [
{
"name": "Thracia",
"children": [
{ "name": "Europa" },
{ "name": "Thracia" },
{ "name": "Haemimontus" },
{ "name": "Rhodope" },
{ "name": "Moesia II" },
{ "name": "Scythia" }
]
},
{
"name": "Asiana",
"children": [
{ "name": "Asia" },
{ "name": "Hellespontus" },
{ "name": "Pamphylia" },
{ "name": "Caria" },
{ "name": "Lydia" },
{ "name": "Lycia" },
{ "name": "Lycaonia" },
{ "name": "Pisidia" },
{ "name": "Phrygia Pacatiana" },
{ "name": "Pisidia" },
{ "name": "Phrygia Salutaris" },
{ "name": "Insulae" }
]
},
{
"name": "Pontus",
"children": [
{ "name": "Bithynia" },
{ "name": "Galatia" },
{ "name": "Galatia Salutaris" },
{ "name": "Paphlagonia" },
{ "name": "Honorias" },
{ "name": "Cappadocia I" },
{ "name": "Cappadocia II" },
{ "name": "Helenopontus" },
{ "name": "Pontus Polemoniacus" },
{ "name": "Armenia I" },
{ "name": "Armenia II" }
]
},
{
"name": "Oriens",
"children": [
{ "name": "Arabia" },
{ "name": "Palaestina I" },
{ "name": "Palaestina II" },
{ "name": "Palaestina Salutaris" },
{ "name": "Syria I" },
{ "name": "Syria II" },
{ "name": "Phoenice I" },
{ "name": "Phoenice II Libanensis" },
{ "name": "Euphratensis" },
{ "name": "Osroene" },
{ "name": "Mesopotamia" },
{ "name": "Cilicia I" },
{ "name": "Cilicia II" },
{ "name": "Isauria" },
{ "name": "Cyprus" }
]
},
{
"name": "Aegyptus",
"children": [
{ "name": "Aegyptus" },
{ "name": "Augustamnica" },
{ "name": "Thebais" },
{ "name": "Arcadia" },
{ "name": "Libya Superior" },
{ "name": "Libya Inferior" }
]
}
]
}
]
}
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