Experimenting with ways to visualise ratios for a story exploring the pay ratios between the lowest and highest paid at a company.
Last active
January 1, 2020 08:44
-
-
Save tlfrd/8b7ba7dd660503dbe3a3b79893a170bd to your computer and use it in GitHub Desktop.
Visualising Ratios
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| license: mit |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| text { | |
| font-family: monospace; | |
| } | |
| rect { | |
| stroke: #a5b98c; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var margin = {top: 70, right: 20, bottom: 20, left: 20}; | |
| var width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var ratios = [ | |
| {min: 34, median: 8}, | |
| {min: 14.1, median: 7.6}, | |
| {min: 15, median: 9}, | |
| {min: 12.9, median: 5.8}, | |
| {min: 10.6, median: 4.2}, | |
| {min: 40, median: 5.9}, | |
| {min: 14.3, median: 5.58} | |
| ]; | |
| // might use this at some point | |
| // ratios.sort(function(a, b) { | |
| // return b.min - a.min; | |
| // }) | |
| var xSpacing = 20, | |
| ySpacing = 30; | |
| var legend = svg.append("g").attr("class", "legend"); | |
| legend.append("text") | |
| .attr("x", margin.left) | |
| .attr("y", 0) | |
| .text("For every -- the lowest paid employee earns the highest earns"); | |
| legend.append("rect") | |
| .attr("x", margin.left + 81) | |
| .attr("y", -10.5) | |
| .attr("width", 15) | |
| .attr("height", 12) | |
| .attr("fill", "#6c7c59") | |
| legend.append("text") | |
| .attr("x", margin.left + 84.5) | |
| .attr("y", -0.5) | |
| .text("£") | |
| .style("font-size", 10) | |
| legend.append("g").selectAll("rect") | |
| .data([0, 1, 2]) | |
| .enter().append("rect") | |
| .attr("x", function(d) { return margin.left + 500 + (d * xSpacing)}) | |
| .attr("y", -10.5) | |
| .attr("width", 15) | |
| .attr("height", 12) | |
| .attr("fill", "#e1e7d8") | |
| legend.append("g").selectAll("text") | |
| .data([0, 1, 2]) | |
| .enter().append("text") | |
| .attr("x", function(d) { return margin.left + 503.5 + (d * xSpacing)}) | |
| .attr("y", -0.5) | |
| .text("£") | |
| .style("font-size", 10); | |
| var ratioGroups = svg.append("g") | |
| .attr("class", "ratio-groups") | |
| .selectAll("g") | |
| .data(ratios) | |
| .enter().append("g") | |
| .attr("class", "ratio"); | |
| var counter = 0; | |
| // add rectangles and fade in | |
| ratioGroups.selectAll("rect") | |
| .data(function(d, i) { | |
| var range = d3.range(0, Math.round(d.min) + 1, 1); | |
| return range.map(function(x) { | |
| return {x: x, i: i}; | |
| }) | |
| }) | |
| .enter().append("rect") | |
| .attr("x", function(d) { | |
| if (d.x == 0) { | |
| return margin.left; | |
| } else { | |
| return margin.left + 10 + d.x * xSpacing; | |
| } | |
| }) | |
| .attr("y", function(d) { return margin.top + d.i * ySpacing }) | |
| .attr("width", 15) | |
| .attr("height", 12) | |
| .attr("fill", function(d) { | |
| if (d.x == 0) { | |
| return "#6c7c59"; | |
| } else { | |
| return "#e1e7d8"; | |
| } | |
| }) | |
| .attr("opacity", function(d) { | |
| if (d.x == 0) { | |
| return 1; | |
| } else { | |
| return 0; | |
| } | |
| }) | |
| .transition() | |
| .delay(function(d) { | |
| return (d.x * 25) + (d.i * 100); | |
| }) | |
| .attr("opacity", 1); | |
| // add text and fade in | |
| ratioGroups.selectAll("text") | |
| .data(function(d, i) { | |
| var range = d3.range(0, Math.round(d.min) + 1, 1); | |
| return range.map(function(x) { | |
| return {x: x, i: i}; | |
| }) | |
| }) | |
| .enter().append("text") | |
| .attr("x", function(d) { | |
| if (d.x == 0) { | |
| return margin.left; | |
| } else { | |
| return margin.left + 10 + d.x * xSpacing; | |
| } | |
| }) | |
| .attr("y", function(d) { return margin.top + d.i * ySpacing }) | |
| .attr("dx", xSpacing / 5) | |
| .attr("dy", ySpacing / 3) | |
| .style("font-size", 10) | |
| .attr("opacity", function(d) { | |
| if (d.x == 0) { | |
| return 1; | |
| } else { | |
| return 0; | |
| } | |
| }) | |
| .text("£") | |
| .transition() | |
| .delay(function(d) { | |
| return (d.x * 25) + (d.i * 100); | |
| }) | |
| .attr("opacity", 1) | |
| // delay by the amount of time each ratio takes to animate | |
| ratioGroups | |
| .append("text") | |
| .attr("x", function(d) { return margin.left + 10 + (Math.round(d.min) + 1) * xSpacing}) | |
| .attr("y", function(d, i) { return margin.top + i * ySpacing }) | |
| .attr("dx", "0.7em") | |
| .attr("dy", "0.8em") | |
| .text(function(d) { return d.min + ":1"; }) | |
| .attr("opacity", 0) | |
| .transition() | |
| .delay(function(d, i) { return (Math.round(d.min) * 25) + (i * 100) }) | |
| .attr("opacity", 1); | |
| ratioGroups | |
| .append("text") | |
| .attr("x", margin.left + 10) | |
| .attr("y", function(d, i) { return margin.top + i * ySpacing }) | |
| .attr("dx", "0.6em") | |
| .attr("dy", "0.7em") | |
| .text(":") | |
| </script> | |
| </body> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment