Created
February 8, 2020 01:37
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JS Bin // source https://jsbin.com/bayajep
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| "use strict"; | |
| var viewport = { | |
| width: 200, | |
| height: 200 | |
| }; | |
| var padding = 2; | |
| var topPadding = 20; | |
| var dataset = [2, 4, 6, 8, 10]; | |
| var maxValue = Math.max.apply(Math, dataset); | |
| function calculateBarHeight(d) { | |
| return d / maxValue * viewport.height - topPadding; // TODO what if the data is small and doesn't show up? | |
| } | |
| function calculateBarWidth() { | |
| return viewport.width / dataset.length - padding; | |
| } | |
| function pickColor(d) { | |
| if (d < 5) return "red";else return "green"; | |
| } | |
| var svg = d3.select("body").append("svg").attr("width", viewport.width).attr("height", viewport.height); | |
| svg.selectAll("rect").data(dataset).enter().append("rect").attr({ | |
| x: function x(d, i) { | |
| return i * viewport.width / dataset.length; | |
| }, | |
| y: function y(d) { | |
| return viewport.height - calculateBarHeight(d); | |
| }, | |
| width: calculateBarWidth(), | |
| height: calculateBarHeight | |
| }).style("fill", pickColor); | |
| svg.selectAll("text").data(dataset).enter().append("text").text(function (d) { | |
| return d; | |
| }).attr({ | |
| x: function x(d, i) { | |
| return i * viewport.width / dataset.length + calculateBarWidth() / 2; | |
| }, | |
| y: function y(d) { | |
| return viewport.height - calculateBarHeight(d) - 6; | |
| }, | |
| "font-family": "sans-serif", | |
| "font-size": 12, | |
| "text-anchor": "middle", | |
| "fill": "black" | |
| }); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">const viewport = { | |
| width: 200, | |
| height: 200 | |
| } | |
| const padding = 2; | |
| const topPadding = 20; | |
| const dataset = [2, 4, 6, 8, 10]; | |
| const maxValue = Math.max(...dataset) | |
| function calculateBarHeight(d) { | |
| return d / maxValue * viewport.height - topPadding; // TODO what if the data is small and doesn't show up? | |
| } | |
| function calculateBarWidth() { | |
| return viewport.width / dataset.length - padding; | |
| } | |
| function pickColor(d) { | |
| if (d < 5) return "red"; else return "green"; | |
| } | |
| const svg = d3 | |
| .select("body") | |
| .append("svg") | |
| .attr("width", viewport.width) | |
| .attr("height", viewport.height) | |
| svg | |
| .selectAll("rect") | |
| .data(dataset) | |
| .enter() | |
| .append("rect") | |
| .attr({ | |
| x: function(d, i) { return i * viewport.width / dataset.length; }, | |
| y: function(d) { return viewport.height - calculateBarHeight(d); }, | |
| width: calculateBarWidth(), | |
| height: calculateBarHeight | |
| }) | |
| .style("fill", pickColor); | |
| svg | |
| .selectAll("text") | |
| .data(dataset) | |
| .enter() | |
| .append("text") | |
| .text(function(d) { return d; }) | |
| .attr({ | |
| x: function(d, i) { return (i * viewport.width / dataset.length) + (calculateBarWidth() / 2); }, | |
| y: function(d) { return viewport.height - calculateBarHeight(d) - 6; }, | |
| "font-family": "sans-serif", | |
| "font-size": 12, | |
| "text-anchor": "middle", | |
| "fill": "black" | |
| }); | |
| </script></body> | |
| </html> |
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| "use strict"; | |
| var viewport = { | |
| width: 200, | |
| height: 200 | |
| }; | |
| var padding = 2; | |
| var topPadding = 20; | |
| var dataset = [2, 4, 6, 8, 10]; | |
| var maxValue = Math.max.apply(Math, dataset); | |
| function calculateBarHeight(d) { | |
| return d / maxValue * viewport.height - topPadding; // TODO what if the data is small and doesn't show up? | |
| } | |
| function calculateBarWidth() { | |
| return viewport.width / dataset.length - padding; | |
| } | |
| function pickColor(d) { | |
| if (d < 5) return "red";else return "green"; | |
| } | |
| var svg = d3.select("body").append("svg").attr("width", viewport.width).attr("height", viewport.height); | |
| svg.selectAll("rect").data(dataset).enter().append("rect").attr({ | |
| x: function x(d, i) { | |
| return i * viewport.width / dataset.length; | |
| }, | |
| y: function y(d) { | |
| return viewport.height - calculateBarHeight(d); | |
| }, | |
| width: calculateBarWidth(), | |
| height: calculateBarHeight | |
| }).style("fill", pickColor); | |
| svg.selectAll("text").data(dataset).enter().append("text").text(function (d) { | |
| return d; | |
| }).attr({ | |
| x: function x(d, i) { | |
| return i * viewport.width / dataset.length + calculateBarWidth() / 2; | |
| }, | |
| y: function y(d) { | |
| return viewport.height - calculateBarHeight(d) - 6; | |
| }, | |
| "font-family": "sans-serif", | |
| "font-size": 12, | |
| "text-anchor": "middle", | |
| "fill": "black" | |
| }); |
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