Skip to content

Instantly share code, notes, and snippets.

@linnnes

linnnes/.block

Last active March 13, 2017 23:54
Show Gist options
  • Save linnnes/22087974e8dfa5c5080b7fdc46e35a65 to your computer and use it in GitHub Desktop.
Save linnnes/22087974e8dfa5c5080b7fdc46e35a65 to your computer and use it in GitHub Desktop.
Download ZIP
Ex2: Force Layout 0313
Raw
.block
license: mit
Raw
graph.json
{
"nodes": [
{"atom": "What are you making?", "size": 36},
{"atom": "App", "size": 12},
{"atom": "Wearables", "size": 8},
{"atom": "Physcial Objects", "size": 4},
{"atom": "Website", "size": 14},
{"atom": "Games", "size": 4},
{"atom": "Poster", "size": 4},
{"atom": "Privacy Seekers", "size": 1},
{"atom": "Elderly People", "size": 1},
{"atom": "Office Workers", "size": 1},
{"atom": "Urban People", "size": 1},
{"atom": "Nervous People", "size": 1},
{"atom": "Children", "size": 1},
{"atom": "Empty Nesters", "size": 1},
{"atom": "Patients", "size": 1},
{"atom": "Empathetic Healthcare", "size": 1}
],
"links": [
{"source": 0, "target": 1, "bond": 2},
{"source": 0, "target": 2, "bond": 2},
{"source": 0, "target": 3, "bond": 2},
{"source": 0, "target": 4, "bond": 2},
{"source": 0, "target": 5, "bond": 2},
{"source": 0, "target": 6, "bond": 2},
{"source": 1, "target": 7, "bond": 1},
{"source": 2, "target": 8, "bond": 1},
{"source": 3, "target": 9, "bond": 1},
{"source": 4, "target": 10, "bond": 1},
{"source": 5, "target": 11, "bond": 1},
{"source": 6, "target": 12, "bond": 1},
{"source": 6, "target": 13, "bond": 1},
{"source": 6, "target": 14, "bond": 1},
{"source": 1, "target": 15, "bond": 1}
]
}
Raw
index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.link line {
stroke: #696969;
}
.link line.separator {
stroke: #fff;
stroke-width: 2px;
}
.node circle {
stroke: #000;
stroke-width: 1.5px;
}
.node text {
font: 10px sans-serif;
pointer-events: none;
}
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var width = 960,
height = 500;
var color = d3.scale.category20();
var radius = d3.scale.sqrt()
.range([0, 6]);
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
var force = d3.layout.force()
.size([width, height])
.charge(-400)
.linkDistance(function(d) { return radius(d.source.size) + radius(d.target.size) + 20; });
d3.json("graph.json", function(error, graph) {
if (error) throw error;
force
.nodes(graph.nodes)
.links(graph.links)
.on("tick", tick)
.start();
var link = svg.selectAll(".link")
.data(graph.links)
.enter().append("g")
.attr("class", "link");
link.append("line")
.style("stroke-width", function(d) { return (d.bond * 2 - 1) * 2 + "px"; });
link.filter(function(d) { return d.bond > 1; }).append("line")
.attr("class", "separator");
var node = svg.selectAll(".node")
.data(graph.nodes)
.enter().append("g")
.attr("class", "node")
.call(force.drag);
node.append("circle")
.attr("r", function(d) { return radius(d.size); })
.style("fill", function(d) { return color(d.atom); })
.style("stroke", "yellow")
.style("stroke-opacity", ".3");
node.append("text")
.attr("dy", ".35em")
.attr("text-anchor", "middle")
.text(function(d) { return d.atom; });
function tick() {
link.selectAll("line")
.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; });
node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
}
});
</script>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment