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@aaronbalthaser
Last active November 14, 2017 21:13
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fresh block
license: mit
<!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; }
.chart {
background: lightgray;
border: 1px solid black;
width: 400px;
height: 600px;
}
</style>
</head>
<body>
<div class="chart"></div>
<script>
var data = [
{ score: 63, subject: 'Mathmatics'},
{ score: 82, subject: 'Geography'},
{ score: 74, subject: 'Spelling'},
{ score: 97, subject: 'Reading'},
{ score: 52, subject: 'Science'},
{ score: 52, subject: 'Horror'},
{ score: 52, subject: 'Flimsy'}
];
var margin = { top: 10, right: 25, bottom: 70, left: 30 };
var width = 400 - margin.left - margin.right;
var height = 600 - margin.top - margin.bottom;
var svg = d3.select('.chart')
.append('svg')
.attr('width', width + margin.left + margin.right)
.attr('height', height + margin.top + margin.bottom)
.call(responsivefy)
.append('g')
.attr('transform', `translate(${margin.left}, ${margin.top})`);
// Y Axis
var yScale = d3.scaleLinear()
.domain([0, 100])
.range([height, 0]);
var yAxis = d3.axisLeft(yScale);
svg.call(yAxis);
// X Axis
var xScale = d3.scaleBand()
.padding(0.2)
.domain(data.map(d => d.subject))
.range([0, width]);
var xAxis = d3.axisBottom(xScale)
.ticks(5)
svg.append('g')
.attr('transform', `translate(0, ${height})`)
.call(xAxis)
// Rotate Text
.selectAll('text')
.style('text-anchor', 'end')
.attr('transform', 'rotate(-45)');
svg.selectAll('rect')
.data(data)
.enter()
.append('rect')
.attr('x', d => xScale(d.subject))
.attr('y', d => yScale(d.score))
.attr('width', d => xScale.bandwidth())
.attr('height', d => height - yScale(d.score))
.style('fill', 'steelblue');
function responsivefy(svg) {
var container = d3.select(svg.node().parentNode);
var width = parseInt(svg.style('width'));
var height = parseInt(svg.style('height'));
var aspect = width / height;
svg.attr('viewBox', '0 0 ' + width + ' ' + height)
.attr('preserveAspectRatio', 'xMinYMid')
.call(resize);
d3.select(window).on('resize.' + container.attr('id'), resize);
function resize() {
var targetWidth = parseInt(container.style('width'));
svg.attr('width', targetWidth);
svg.attr('height', Math.round(targetWidth / aspect));
}
}
</script>
</body>
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