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sparse matrix zoo
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var svg = d3.select("svg");
var link = svg.selectAll(".link")
.data(links)
link.exit().remove();
link
.enter().append("line")
.attr("class", "link")
.style({
stroke: "#adf6fe",
"stroke-opacity": 0.624,
"stroke-width": function(d) { return linkScale(d.value); }
})
.style();
var node = svg.selectAll(".node")
.data(nodes)
node.exit().remove();
node
.enter().append("circle")
.attr("class", "node")
.style("fill", function(d) { return "#8effe8" })
node
//.attr("r", 5)
.attr("r", function(d) { return nodeScale(d.value) })
.call(force.drag);
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; });
node.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; });
});
})
}
})
</script>
</body>
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