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@r-wheeler
Created August 7, 2015 17:57
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D3 Line chart + HTML Table
<!DOCTYPE html>
<meta charset="utf-8">
<style> /* set the CSS */
body { font: 12px Arial;}
path {
stroke: steelblue;
stroke-width: 2;
fill: none;
}
.axis path,
.axis line {
fill: none;
stroke: grey;
stroke-width: 1;
shape-rendering: crispEdges;
}
</style>
<body>
<!-- load the d3.js library -->
<script src="d3/d3.v3.min.js" type="text/JavaScript"></script>
<script>
var margin = {top: 30, right: 20, bottom: 30, left: 200},
width = 600 - margin.left - margin.right,
height = 270 - margin.top - margin.bottom;
var parseDate = d3.time.format("%Y-%m-%d").parse;
var x = d3.time.scale().range([0, width]);
var y = d3.scale.linear().range([height, 0]);
// Define the axes
var xAxis = d3.svg.axis().scale(x)
.orient("bottom").ticks(5);
var yAxis = d3.svg.axis().scale(y)
.orient("left").ticks(5);
// Define the line
var valueline = d3.svg.line()
.x(function(d) { return x(d.event_date); })
.y(function(d) { return y(d.hits); });
var svg = d3.select("body")
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", width + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
d3.csv("hits.csv", function(error, data) {
data.forEach(function(d) {
d.event_date = parseDate(d.event_date);
console.log(d.event_date);
d.hits= +d.hits;
});
var columns = d3.keys(data[0]);
// Scale the range of the data
x.domain(d3.extent(data, function(d) { return d.event_date; }));
y.domain([0, d3.max(data, function(d) { return d.hits; })]);
// Add the valueline path.
svg.append("path")
.attr("class", "line")
.attr("d", valueline(data));
// Add the X Axis
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
// Add the Y Axis
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
// Define a function to tablulate
function tabulate(data,columns) {
// the columns you'd like to display
var table = d3.select("body").append("table")
.attr("style", "margin-left: 200px;margin-top:-90px")
,
thead = table.append("thead"),
tbody = table.append("tbody");
// append the header row
thead.append("tr")
.selectAll("th")
.data(columns)
.enter()
.append("th")
.text(function(column) { return column; });
// create a row for each object in the data
var rows = tbody.selectAll("tr")
.data(data)
.enter()
.append("tr");
// create a cell in each row for each column
var cells = rows.selectAll("td")
.data(function(row) {
return columns.map(function(column) {
return {column: column, value: row[column]};
});
})
.enter()
.append("td")
.text(function(d) { return d.value; });
}
var columns = d3.keys(data[0]);
var table = tabulate(data, columns);
});
</script>
</body>
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