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taclab/index.html

Forked from mbostock/README.md
Created December 6, 2011 17:14
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Revisions

  1. taclab revised this gist Dec 6, 2011. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion index.html
    View file
    Original file line number Diff line number Diff line change
    @@ -36,7 +36,7 @@
    }
    data.push(s);
    }

    console.log(data);
    var w = 400,
    h = 400;

  2. @mbostock mbostock created this gist May 26, 2011.
    80 changes: 80 additions & 0 deletions index.html
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,80 @@
    <!DOCTYPE html>
    <html>
    <head>
    <title>Histogram</title>
    <script type="text/javascript" src="https://github.com/mbostock/d3/raw/v1.17.0/d3.js"></script>
    <script type="text/javascript" src="https://github.com/mbostock/d3/raw/v1.17.0/d3.layout.js"></script>
    <style type="text/css">

    body {
    font: 10px sans-serif;
    }

    rect {
    fill: steelblue;
    stroke: white;
    }

    line {
    stroke: black;
    shape-rendering: crispEdges;
    }

    </style>
    </head>
    <body>
    <script type="text/javascript">

    var n = 10000, // number of trials
    m = 10, // number of random variables
    data = [];

    // Generate an Irwin-Hall distribution.
    for (var i = 0; i < n; i++) {
    for (var s = 0, j = 0; j < m; j++) {
    s += Math.random();
    }
    data.push(s);
    }

    var w = 400,
    h = 400;

    var histogram = d3.layout.histogram()
    (data);

    var x = d3.scale.ordinal()
    .domain(histogram.map(function(d) { return d.x; }))
    .rangeRoundBands([0, w]);

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

    var vis = d3.select("body").append("svg:svg")
    .attr("width", w)
    .attr("height", h)
    .append("svg:g")
    .attr("transform", "translate(.5)");

    vis.selectAll("rect")
    .data(histogram)
    .enter().append("svg:rect")
    .attr("transform", function(d) { return "translate(" + x(d.x) + "," + (h - y(d.y)) + ")"; })
    .attr("width", x.rangeBand())
    .attr("y", function(d) { return y(d.y); })
    .attr("height", 0)
    .transition()
    .duration(750)
    .attr("y", 0)
    .attr("height", function(d) { return y(d.y); });

    vis.append("svg:line")
    .attr("x1", 0)
    .attr("x2", w)
    .attr("y1", h)
    .attr("y2", h);

    </script>
    </body>
    </html>