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<meta charset="utf-8">
<style>
body {
font-family: Futura;
font-size: 10px;
}
.nodes circle {
fill: #ccc;
stroke: #000;
}
.links {
stroke: #999;
stroke-width: 1.5px;
}
text {
pointer-events: none;
text-anchor: middle;
}
</style>
<svg width="960" height="600"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://d3js.org/colorbrewer.v1.min.js"></script>
<script src="https://d3js.org/d3-color.v1.min.js"></script>
<script src="https://d3js.org/d3-interpolate.v1.min.js"></script>
<script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script>
<script>
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
var simulation = d3.forceSimulation()
.force("charge", d3.forceManyBody().strength(-50))
.force("link", d3.forceLink().id(function(d) { return d.id; }))
.force("x", d3.forceX(width / 2))
.force("y", d3.forceY(height / 2));
var colorScale = d3.scaleOrdinal(d3.schemeCategory20b);
d3.tsv("barley.tsv", function(error, data) {
console.log(data);
var yieldLookup = {}
data.forEach(function(d) {
d.site = d.site.replace(" ","").replace(". ", "")
d.variety = d.variety.replace(" ","").replace(". ", "")
yieldLookup[d.site + '-' + d.variety + "-" + d.year] = +d.yield;
})
var sites = d3.set(data.map(function(d) { return d.site; })).values();
var siteVarieties = d3.set(data.map(function(d) { return d.site + '-' + d.variety; })).values();
var siteVarietiesYears = d3.set(data.map(function(d) { return d.site + '-' + d.variety + "-" + d.year; })).values();
var nodes = [],
links = [];
sites.forEach(function(site){
nodes.push({"id" : site,
"shortName": site,
"radius": 10,
"colorScale": "#fff",
"classValue": "site" })
})
siteVarieties.forEach(function(siteVariety) {
nodes.push({"id" : siteVariety,
"shortName": siteVariety.split("-")[1],
"radius": 10,
"colorScale" : colorScale(siteVariety.split("-")[1]),
"classValue": siteVariety.split("-")[1].replace(".","") });
links.push({
"source": siteVariety.split("-")[0],
"target": siteVariety
})
})
siteVarietiesYears.forEach(function(svy) {
nodes.push({"id" : svy,
"shortName": svy.split("-")[2],
"radius": Math.sqrt(yieldLookup[svy])/Math.PI*10,
"colorScale": colorScale(svy.split("-")[1]),
"classValue": svy.split("-")[1].replace(".","") });
links.push({
"source": svy.split("-")[0] + '-' + svy.split("-")[1],
"target": svy
})
})
var graph = {
"nodes": nodes,
"links": links
}
console.log(sites);
console.log(siteVarieties);
console.log(siteVarietiesYears);
console.log(graph)
var link = svg.append("g")
.attr("class", "links")
.selectAll("line")
.data(graph.links)
.enter().append("line");
var node = svg.append("g")
.attr("class", "nodes")
.selectAll("circle")
.data(graph.nodes)
.enter().append("circle")
.attr("class", function(d) { return d.classValue; })
.attr("r", function(d) { return d.radius; })
.style("fill", function(d) { return d.colorScale; })
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended))
.on("mouseenter", function(d) {
var lookupClass = d.classValue;
d3.selectAll("circle").style("fill-opacity", .1)
d3.selectAll("." + lookupClass).style("fill-opacity", 1)
})
.on("mouseleave", function(d) {
var lookupClass = d.classValue;
d3.selectAll("circle").style("fill-opacity", 1)
})
var text = svg.append("g")
.attr("class", "text")
.selectAll("text")
.data(graph.nodes)
.enter().append("text")
.text(function(d, i) { return d.shortName; })
simulation
.nodes(graph.nodes)
.on("tick", ticked);
simulation.force("link")
.links(graph.links);
function ticked() {
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; });
node
.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; });
text
.attr("x", function(d) { return d.x; })
.attr("y", function(d) { return d.y; });
}
});
function dragstarted(d) {
if (!d3.event.active) simulation.alphaTarget(0.3).restart();
d.fx = d.x;
d.fy = d.y;
}
function dragged(d) {
d.fx = d3.event.x;
d.fy = d3.event.y;
}
function dragended(d) {
if (!d3.event.active) simulation.alphaTarget(0);
d.fx = null;
d.fy = null;
}
</script>
Modified http://d3js.org/colorbrewer.v1.min.js to a secure url
https://d3js.org/d3.v4.min.js
https://d3js.org/colorbrewer.v1.min.js
https://d3js.org/d3-color.v1.min.js
https://d3js.org/d3-interpolate.v1.min.js
https://d3js.org/d3-scale-chromatic.v1.min.js