Created
October 27, 2011 17:33
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Simple column chart in d3.js
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Bar Chart</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?2.1.3"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js?2.1.3"></script> | |
| <style type="text/css"> | |
| </style> | |
| </head> | |
| <body> | |
| <div id="chart"></div> | |
| <script type="text/javascript"> | |
| //setup svg canvas | |
| var svg = d3.select("#chart") | |
| .append("svg:svg") | |
| //.attr("width", "1000") | |
| //.attr("height", "700") | |
| .attr("width", "500") | |
| .attr("height", "350") | |
| .attr("viewBox", "0 0 1000 700") | |
| .attr("preserveAspectRatio", "xMinYMin meet") | |
| .attr("id", "charts"); | |
| //.on("click", clickypie) | |
| var bgrect = svg.append("svg:rect") | |
| .attr("width", "100%") | |
| .attr("height", "100%") | |
| .attr("stroke", "#000") | |
| .attr("stroke-width", 1) | |
| .attr("fill", "none"); | |
| function bakebar(classname, data, xp, yp, w, h) | |
| { | |
| //color could be made a parameter | |
| var color = d3.scale.category10() | |
| x = d3.scale.ordinal() | |
| .domain(d3.range(data.length )) | |
| .rangeBands([ 0, w ], .2) | |
| var data_max = d3.max(data, function(d) | |
| { | |
| return d.pop | |
| }) | |
| console.log(data_max) | |
| y = d3.scale.linear() | |
| .domain([ 0, data_max ]) | |
| .range([ 0, h ]) | |
| var bar = d3.select("#charts") | |
| .append("svg:g") | |
| .attr("class", classname); | |
| var bars = bar.selectAll("g.bar") | |
| .data(data) | |
| .enter().append("svg:g") | |
| .attr("class", "bar") | |
| .attr("transform", "translate(" + xp + "," + yp + ")"); | |
| console.log("BARS"); | |
| var paths = bars.append("svg:rect") | |
| .attr("fill", function(d, i) { return color(i); }) | |
| .attr("fill-opacity", .6) | |
| .attr("x", function(d,i) { return x(i) }) | |
| .attr("y", function(d,i) { return h - y(d.pop) }) | |
| .attr("width", function(d,i) { return x.rangeBand() }) | |
| .attr("height", function(d,i) { return y(d.pop) }) | |
| .on("mouseover", function(d, i) | |
| { | |
| d3.select(this) | |
| .attr("fill-opacity", 1); | |
| }) | |
| .on("mouseout", function(d, i) | |
| { | |
| d3.select(this) | |
| .attr("fill-opacity", .6); | |
| }); | |
| } | |
| var data = [ | |
| {"key":"FL", "pop":10000 }, | |
| {"key":"CA", "pop":20000 }, | |
| {"key":"NY", "pop":30000 }, | |
| {"key":"NC", "pop":40000 }, | |
| {"key":"SC", "pop":50000 }, | |
| {"key":"AZ", "pop":60000 }, | |
| {"key":"TX", "pop":70000 } | |
| ] | |
| //Other json we want to use in the tooltips | |
| var ttdata = [ | |
| {"key":"FL", "awesome":8}, | |
| {"key":"CA", "awesome":9}, | |
| {"key":"NY", "awesome":5}, | |
| {"key":"NC", "awesome":3}, | |
| {"key":"SC", "awesome":2}, | |
| {"key":"AZ", "awesome":1}, | |
| {"key":"TX", "awesome":7} | |
| ] | |
| bakebar("bar1", data, 100, 100, 800, 500); | |
| </script> | |
| </body> | |
| </html> |
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