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September 18, 2018 18:42
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Excerpt from Three Visualizations Assignment
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>Document</title> | |
| <link rel="stylesheet" href="style.css"> | |
| </head> | |
| <body> | |
| <div id="vizOne"> | |
| </div> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script> | |
| <script src="vizOne.js"></script> | |
| </body> | |
| </html> |
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| .hovering { | |
| stroke: white; | |
| } | |
| #vizOne { | |
| background-color: #fecfd9; | |
| margin-top: 20px; | |
| } | |
| .axis path, | |
| .axis line { | |
| stroke: blue; | |
| } |
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| const h = 500, | |
| w = 700; | |
| const svg = d3.select("#vizOne") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| d3.json("data.json", function(error, data) { | |
| if (error) throw error | |
| // rScale = d3.scaleLinear() | |
| // .domain([1, d3.max(data, function(d){ return +d.estimate})]) | |
| // .range([2.5, 65]); | |
| console.log(d3.extent(data, function(d) { return +d.estimate})) | |
| var aScale = d3.scaleSqrt() | |
| // .domain([0, d3.max(data, function(d){ return +d.estimate })]) | |
| .domain(d3.extent(data, function(d){ return +d.estimate})) | |
| .range([2,25]) | |
| var yScale = d3.scaleLog() | |
| .domain(d3.extent(data, function(d){ return +d.marginOfError})) | |
| .range([h-10,35]) | |
| var xScale = d3.scaleLog() | |
| .domain(d3.extent(data, function(d){ return +d.estimate})) | |
| .range([10,w-35]) | |
| var xAxis = d3.axisTop() | |
| .scale(xScale) | |
| .ticks(10, ",.1s") | |
| // .tickValues([1625,11643298]) | |
| var circles = svg.selectAll("circle") | |
| .data(data) | |
| .enter() | |
| .append("circle") | |
| // var nestedData = d3.nest().key(d=>d.estimate).key(d=>d.country).entries(data) | |
| // console.log(nestedData) | |
| var colors = ["green", "orange", "red", "blue"] | |
| function randomColor() { | |
| return colors[Math.floor(Math.random() * colors.length)] | |
| } | |
| circles | |
| .attr("cx", function (d) { return xScale(+d.estimate) }) | |
| // .attr("cx", function (d,i) { return i * 5}) | |
| .attr("cy", function (d) { return yScale(+d.marginOfError) }) | |
| // .attr("cy", function (d,i) { return (i * 4) - 25}) | |
| .attr("r", function (d) { return aScale(+d.estimate) }) | |
| .style("fill", randomColor) | |
| .on("mouseenter", function () { | |
| d3.select(this).classed("hovering", true); | |
| }) | |
| .on("mouseleave", function () { | |
| d3.select(this).classed("hovering", false); | |
| }) | |
| .append("title") | |
| .text(function (d) { | |
| return d.country}); | |
| svg.append("g") | |
| .attr("class", "axis") | |
| .attr("transform", "translate(0, " + (h-1) + ")") | |
| .call(xAxis) | |
| }) |
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