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@danharr
Last active August 29, 2015 14:03
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Square Force

A reminder that force diagrams need not be limited to circles. Layouts don't dictate design.

<!DOCTYPE html>
<meta charset="utf-8">
<style>
.node {
stroke: #fff;
stroke-width: 1.5px;
}
.link {
stroke: black;
stroke-opacity: 0.5;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var width = 960,
height = 800;
var color = d3.scale.category20();
var force = d3.layout.force()
.charge(-4000)
.linkDistance(350)
.size([width, height]);
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
d3.json("raw.json", function(error, graph) {
force
.nodes(graph.nodes)
.links(graph.links)
.start();
var link = svg.selectAll(".link")
.data(graph.links)
.enter().append("line")
.attr("class", "link")
.style("stroke-width", function(d) { return 10; });
var circle = svg.append("g").selectAll(".node")
.data(graph.nodes)
.enter().append("rect")
.attr("class", "node")
.attr("width", function(d) {return d.size*75;})
.attr("height", function(d) {return d.size*55;})
.style("stroke","green")
.style("stroke-width", function(d) {return d.size*5;})
.style("fill", function(d) { return "black"; })
.call(force.drag);
var text = svg.append("g").selectAll(".text")
.data(graph.nodes)
.enter()
.append("text")
.attr("x",0)
.attr("y",".31em")
.text(function(d) {return d.name;})
.style("fill","white")
.style("font-family","helvetica")
.style("font-size",function(d) {return d.size*15;})
force.on("tick", function() {
link.attr("x1", function(d) { return d.source.x; })
.attr("y1", function(d) { return d.source.y; })
.attr("x2", function(d) { return d.target.x; })
.attr("y2", function(d) { return d.target.y; });
circle.attr("x", function(d) { return d.x-(d.size*10); })
.attr("y", function(d) { return d.y-(d.size*10); });
text.attr("x", function(d) { return d.x; })
.attr("y", function(d) { return d.y+(d.size*10); });
});
});
</script>
{
"links":[
{
"source":0,
"target":1
},
{
"source":0,
"target":2
},
{
"source":0,
"target":3
},
{
"source":0,
"target":4
}
],
"nodes":[
{
"name":"Germany",
"size":4
},
{
"name":"Brazil",
"size":1
},
{
"name":"France",
"size":1.5
}
,
{
"name":"Spain",
"size":2
}
,
{
"name":"Italy",
"size":2.5
}
]
}
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