areologist/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Built with blockbuilder.org
forked from areologist's block: axes and margins
forked from areologist's block: axes and margins - responsive

  
## index.html
<!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-color: #f6fafc;
      border: 1px solid #333;
    }
    .bar {
      fill: steelblue;
      opacity: 0.7;
    }
    .bar:hover {
      opacity: 1;
    }
    .tick text {
      font-size: 10px;
    }
  </style>
</head>
<body>
  <div class="chart"></div>

  <script>
    const margin = { top: 25, right: 35, bottom: 100, left: 35 };
    const width = 550 - margin.left - margin.right;
    const height = 325 - margin.top - margin.bottom;

    const fullWidth = width + margin.left + margin.right;
    const fullHeight = height + margin.top + margin.bottom;

    const data = [
      {score: 63, subject: 'Mathematics'},
      {score: 82, subject: 'Geography'},
      {score: 74, subject: 'Spelling'},
      {score: 97, subject: 'Reading'},
      {score: 52, subject: 'Science'},
      {score: 74, subject: 'Chemistry'},
      {score: 97, subject: 'Physics'},
      {score: 52, subject: 'ASL'}
    ];

    const 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 + ')');

    const xScale = d3.scaleBand()
    	.padding(0.2)
    	.domain(data.map(d => d.subject))
    	.range([0, width]);

    const yScale = d3.scaleLinear()
    	.domain([0, 100])
    	.range([height, 0]);

    const yAxis = d3.axisLeft(yScale)
    	.ticks(10);

    // add the axis by passing it into d3.call (and wrap it in a <g>)
    svg.append('g')
      .call(yAxis);

    const xAxis = d3.axisBottom(xScale);

    svg.append('g')
    	.attr('transform', `translate(0, ${height})`)
      .call(xAxis)
    	.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', xScale.bandwidth())
    	.attr('height', d => height - yScale(d.score))
    	.attr('class', 'bar');

    function responsivefy(svg) {
      // get container + svg aspect ratio
      var container = d3.select(svg.node().parentNode),
          width = parseInt(svg.style("width")),
          height = parseInt(svg.style("height")),
          aspect = width / height;

      // add viewBox and preserveAspectRatio properties,
      // and call resize so that svg resizes on inital page load
      svg.attr("viewBox", "0 0 " + width + " " + height)
          .attr("preserveAspectRatio", "xMinYMid")
          .call(resize);

      // to register multiple listeners for same event type,
      // you need to add namespace, i.e., 'click.foo'
      // necessary if you call invoke this function for multiple svgs
      // api docs: https://github.com/mbostock/d3/wiki/Selections#on
      d3.select(window).on("resize." + container.attr("id"), resize);

      // get width of container and resize svg to fit it
      function resize() {
          var targetWidth = parseInt(container.style("width"));
          svg.attr("width", targetWidth);
          svg.attr("height", Math.round(targetWidth / aspect));
      }
    }
  </script>
</body>
	<!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-color: #f6fafc;
	border: 1px solid #333;
	}
	.bar {
	fill: steelblue;
	opacity: 0.7;
	}
	.bar:hover {
	opacity: 1;
	}
	.tick text {
	font-size: 10px;
	}
	</style>
	</head>
	<body>
	<div class="chart"></div>

	<script>
	const margin = { top: 25, right: 35, bottom: 100, left: 35 };
	const width = 550 - margin.left - margin.right;
	const height = 325 - margin.top - margin.bottom;

	const fullWidth = width + margin.left + margin.right;
	const fullHeight = height + margin.top + margin.bottom;

	const data = [
	{score: 63, subject: 'Mathematics'},
	{score: 82, subject: 'Geography'},
	{score: 74, subject: 'Spelling'},
	{score: 97, subject: 'Reading'},
	{score: 52, subject: 'Science'},
	{score: 74, subject: 'Chemistry'},
	{score: 97, subject: 'Physics'},
	{score: 52, subject: 'ASL'}
	];

	const 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 + ')');

	const xScale = d3.scaleBand()
	.padding(0.2)
	.domain(data.map(d => d.subject))
	.range([0, width]);

	const yScale = d3.scaleLinear()
	.domain([0, 100])
	.range([height, 0]);

	const yAxis = d3.axisLeft(yScale)
	.ticks(10);

	// add the axis by passing it into d3.call (and wrap it in a <g>)
	svg.append('g')
	.call(yAxis);

	const xAxis = d3.axisBottom(xScale);

	svg.append('g')
	.attr('transform', `translate(0, ${height})`)
	.call(xAxis)
	.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', xScale.bandwidth())
	.attr('height', d => height - yScale(d.score))
	.attr('class', 'bar');

	function responsivefy(svg) {
	// get container + svg aspect ratio
	var container = d3.select(svg.node().parentNode),
	width = parseInt(svg.style("width")),
	height = parseInt(svg.style("height")),
	aspect = width / height;

	// add viewBox and preserveAspectRatio properties,
	// and call resize so that svg resizes on inital page load
	svg.attr("viewBox", "0 0 " + width + " " + height)
	.attr("preserveAspectRatio", "xMinYMid")
	.call(resize);

	// to register multiple listeners for same event type,
	// you need to add namespace, i.e., 'click.foo'
	// necessary if you call invoke this function for multiple svgs
	// api docs: https://github.com/mbostock/d3/wiki/Selections#on
	d3.select(window).on("resize." + container.attr("id"), resize);

	// get width of container and resize svg to fit it
	function resize() {
	var targetWidth = parseInt(container.style("width"));
	svg.attr("width", targetWidth);
	svg.attr("height", Math.round(targetWidth / aspect));
	}
	}
	</script>
	</body>