Created
February 8, 2014 20:04
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| var w = 800; | |
| var h = 500; | |
| var margin = {top: 20, right: 30, bottom: 30, left: 40}; | |
| var chart_width = w - margin.left - margin.right; | |
| var chart_height = h - margin.top - margin.bottom; | |
| var svg = d3.select(".chart") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| var chart = svg.append("g") | |
| .attr("class", "chart") | |
| .attr("transform", | |
| "translate("+margin.left+","+margin.top+")"); | |
| d3.csv("5feb2014.csv", csvAccessor, loaded); | |
| function csvAccessor(d){ | |
| var datetime_fmt = d3.time.format("%x %X") | |
| var datetime = datetime_fmt.parse( d["Date"] + " " + d["Time"] ) | |
| return { | |
| datetime: datetime, | |
| category: d.Category, | |
| item: d.Item, | |
| qty: +d.Quantity, | |
| price_point: d["Price Point Name"], | |
| sales: +d["Gross Sales"], | |
| }; | |
| } | |
| function loaded(error, rows){ | |
| // this may need to be bucketed | |
| var timeExtents = d3.extent( | |
| rows, function(d){ | |
| return d.datetime;}); | |
| var x = d3.time.scale() | |
| .domain(timeExtents) | |
| .range([0, chart_width]); | |
| // sales | |
| var y = d3.scale.linear() | |
| .domain( d3.extent(rows, function (d){ | |
| return d.sales; | |
| })) | |
| .range([chart_height, 10]); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom"); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left"); | |
| var bars = chart.selectAll( "rect" ) | |
| .data( rows ) | |
| .enter().append("rect") | |
| .attr("x", function(d){ | |
| var value = x(d.datetime); | |
| return value; | |
| }) | |
| .attr("y", function(d){ | |
| return chart_height - y(d.sales);}) | |
| .attr("width", 5) | |
| .attr("height", function(d){ | |
| return y(d.sales); | |
| }); | |
| } | |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Sample Chart</title> | |
| </head> | |
| <body> | |
| <div class="chart"></div> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script type="text/javascript" src="chart.js"> | |
| </script> | |
| </body> | |
| </html> |
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