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mathieue/README.MD

Last active August 29, 2015 14:06
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Revisions

  1. mathieue revised this gist Sep 9, 2014. 1 changed file with 3 additions and 0 deletions.
    3 changes: 3 additions & 0 deletions README.md
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    d3.js hello world block.

    Block by [Mathieu ELIE data visualization freelance](http://www.mathieu-elie.net).
  2. mathieue revised this gist Sep 9, 2014. 1 changed file with 85 additions and 0 deletions.
    85 changes: 85 additions & 0 deletions index.html
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    <!DOCTYPE html>
    <meta charset="utf-8">
    <style>

    body {
    font: 10px sans-serif;
    }

    .bar rect {
    fill: steelblue;
    shape-rendering: crispEdges;
    }

    .bar text {
    fill: #fff;
    }

    .axis path, .axis line {
    fill: none;
    stroke: #000;
    shape-rendering: crispEdges;
    }

    </style>
    <body>
    <script src="http://d3js.org/d3.v3.min.js"></script>
    <script>

    // Generate a Bates distribution of 10 random variables.
    var values = d3.range(1000).map(d3.random.bates(10));

    // A formatter for counts.
    var formatCount = d3.format(",.0f");

    var margin = {top: 10, right: 30, bottom: 30, left: 30},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

    var x = d3.scale.linear()
    .domain([0, 1])
    .range([0, width]);

    // Generate a histogram using twenty uniformly-spaced bins.
    var data = d3.layout.histogram()
    .bins(x.ticks(20))
    (values);

    var y = d3.scale.linear()
    .domain([0, d3.max(data, function(d) { return d.y; })])
    .range([height, 0]);

    var xAxis = d3.svg.axis()
    .scale(x)
    .orient("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 bar = svg.selectAll(".bar")
    .data(data)
    .enter().append("g")
    .attr("class", "bar")
    .attr("transform", function(d) { return "translate(" + x(d.x) + "," + y(d.y) + ")"; });

    bar.append("rect")
    .attr("x", 1)
    .attr("width", x(data[0].dx) - 1)
    .attr("height", function(d) { return height - y(d.y); });

    bar.append("text")
    .attr("dy", ".75em")
    .attr("y", 6)
    .attr("x", x(data[0].dx) / 2)
    .attr("text-anchor", "middle")
    .text(function(d) { return formatCount(d.y); });

    svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);

    </script>
  3. mathieue created this gist Sep 9, 2014.
    3 changes: 3 additions & 0 deletions README.MD
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,3 @@
    d3.js hello world block.

    Block by [Mathieu ELIE data visualization freelance](http://www.mathieu-elie.net).