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mforando/.block

Created October 15, 2019 18:52
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Legend Component Mock Up
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
</style>
</head>
<body>
<script>
var randvals = [10,20,50];
var width = 200;
var pad = 40;
var radiusScale = d3.scaleLinear()
.domain([Math.sqrt(5),Math.sqrt(50)])
.range([2,width/2 - pad]);
// Feel free to change or delete any of the code you see in this editor!
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", width)
svg.append("text")
.attr("dx",width/2)
.attr("dy",pad/2)
.style("font-family","Franklin Gothic Medium")
.style("text-anchor","middle")
.text('Legend')
svg.selectAll("circle")
.data(randvals)
.enter()
.append("circle")
.attr("r",(d)=>{return radiusScale(Math.sqrt(d))})
.attr("fill","none")
.attr("stroke","rgba(0,0,0,.5)")
.attr("cy", (d)=>{return width - pad - radiusScale(Math.sqrt(d))})
.attr("cx", width/2)
svg.selectAll(".labels")
.data(randvals)
.enter()
.append("text")
.attr("class","labels")
.text((d)=>{return d})
.attr("fill","black")
.style("text-anchor","middle")
.style("dominant-baseline","text-before-edge")
.style("font-size","11px")
.attr("y", (d)=>{return width - pad - radiusScale(Math.sqrt(d))*2})
.attr("x", width/2)
</script>
</body>
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