D3 Examples - Week 3 Module

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Adding Tooltips</title>
        <script type="text/javascript" src="../d3.v3.js"></script>
        <style type="text/css">
            
            body {
                background-color: #ddddff;
            }
​
            svg {
                background-color: white;
            }
​
        </style>
    </head>
    <body>
​
        <script type="text/javascript">     
​
​
            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", 900)
                        .attr("height", 4000);
​
​
​
            d3.csv("scbh1.csv", function(data) {
​
                //data.sort(function(a, b) {
                //  return d3.descending(a.SOLR, b.SOLR);
​
                    //If your numeric values aren't sorting properly,
                    //try commenting out the line above, and instead using:
                    //
                    //return d3.descending(+a.SOLR, +b.SOLR);
                    //
                    //Data coming in from the CSV is saved as strings (text),
                    //so the + signs here force JavaScript to treat those
                    //strings instead as numeric values, thereby fixing the
                    //sort order (hopefully!).
                //});
​
                var rects = svg.selectAll("rect")
                                .data(data)
                                .enter()
                                .append("rect");
​
                rects.attr("x", 0)
                    .attr("y", function(d, i) {
                        return i * 10;
                    })
                    .attr("width", function(d) {
                        return d.SOLR * 0.3;
                    })
                    .attr("height", 8)
                    .append("title")
                    .text(function(d) {
                        return "On "+d.MON+"/"+d.DAY+"/"+d.YEAR+" at hour "+d.HR+" the solar radiation (W/m^2) was "+d.SOLR;
                    });
​
            });
​
​
        </script>
​
    </body>
</html>
    