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d3 time with custom range (for simple time scatter plot)
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| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html lang='en'> | |
| <head> | |
| <title>The d3 test</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.time.js"></script> | |
| </head> | |
| <body> | |
| <script type="text/javascript" src="scatterchart.js"></script> | |
| <h1>here's the chart</h1> | |
| <div class='content'> | |
| <!-- /the chart goes here --> | |
| </div> | |
| </body> | |
| </html> |
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| var chart_axis_margin, chart_height, chart_width, data, format, g, t, times, times_raw, vis, x, y; | |
| data = [246, 245, 241, 240.5]; | |
| times_raw = ["Aug-3", "Aug-4", "Aug-5", "Aug-6"]; | |
| format = d3.time.format("%b-%d"); | |
| times = (function() { | |
| var _i, _len, _results; | |
| _results = []; | |
| for (_i = 0, _len = times_raw.length; _i < _len; _i++) { | |
| t = times_raw[_i]; | |
| _results.push(format.parse(t)); | |
| } | |
| return _results; | |
| })(); | |
| chart_width = 640; | |
| chart_height = 240; | |
| chart_axis_margin = 20; | |
| x = d3.time.scale().domain(times).range([0 + chart_axis_margin, chart_width - chart_axis_margin]); | |
| y = d3.scale.linear().domain([200, 255]).range([0 + chart_axis_margin, chart_height - chart_axis_margin]); | |
| vis = d3.select(".content").append("svg:svg").attr("class", "chart").attr("width", chart_width).attr("height", chart_height); | |
| g = vis.append("svg:g").attr("transform", 'translate(0,' + chart_height + ')'); | |
| g.selectAll("scatter-dots").data(data).enter().append("svg:circle").attr("cy", function(d) { | |
| return flipy(y(d)); | |
| }).attr("cx", function(d, i) { | |
| return x(i); | |
| }).attr("r", 2).style("opacity", 0.6); |
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| data = [246, 245, 241, 240.5] | |
| times_raw = ["Aug-3", "Aug-4", "Aug-5", "Aug-6"] | |
| format = d3.time.format("%b-%d") | |
| times = (format.parse(t) for t in times_raw) | |
| chart_width=640 | |
| chart_height=240 | |
| chart_axis_margin=20 | |
| x = d3.time.scale() | |
| .domain(times) | |
| .range([ 0 + chart_axis_margin, chart_width - chart_axis_margin ]) | |
| y = d3.scale.linear() | |
| .domain([ 200, 255 ]) | |
| .range([ 0 + chart_axis_margin, chart_height - chart_axis_margin ]) | |
| vis = d3.select(".content") | |
| .append("svg:svg") | |
| .attr("class", "chart") | |
| .attr("width", chart_width) | |
| .attr("height", chart_height) | |
| g = vis.append("svg:g") | |
| .attr("transform", 'translate(0,'+chart_height+')') #flip the graph over the yaxis | |
| g.selectAll("scatter-dots") | |
| .data(data) | |
| .enter().append("svg:circle") | |
| .attr("cy", (d) -> flipy(y(d)) ) | |
| .attr("cx", (d,i) -> x(i) ) | |
| .attr("r", 2) | |
| .style("opacity", 0.6) | |
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