A D3 bar chart created with SVG rectangles.
Created
June 12, 2016 14:50
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A D3 Bar Chart of SVG Rectangles.
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license: mit |
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function drawBarChart() { | |
var width = 500; | |
var height = 250; | |
var barPadding = 4; | |
var dataSet = randomDataSet(10, 5, 25); | |
var svg = d3.select("body") | |
.append("svg") | |
.attr("width", width) | |
.attr("height", height); | |
svg.selectAll("rect") | |
.data(dataSet) | |
.enter() | |
.append("rect") | |
.attr("x", function(d, i) { return i * (width / dataSet.length); }) | |
.attr("y", function(d) { return height - d * 10; }) | |
.attr("width", width / dataSet.length - barPadding) | |
.attr("height", function(d) { return d * 10; }) | |
.attr("fill", "#3498DB"); | |
} | |
function randomDataSet(dataSetSize, minValue, maxValue) { | |
return new Array(dataSetSize).fill(0).map(function(n) { | |
return Math.random() * (maxValue - minValue) + minValue; | |
}); | |
} |
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<title>A D3 Bar Chart of SVG Rectangles</title> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js" charset="utf-8"></script> | |
<script src="bar-chart.js"></script> | |
</head> | |
<body onload="drawBarChart()"> | |
</body> | |
</html> |
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