This demo shows how to customize the legend in a morrisjs plot, created using rCharts. If you hover over the line, you will observe that the order of the variables traj1 and traj2 in the legend switches based on which value is greater. This demo was created in response to a question posed on github.
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August 29, 2015 13:57
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Morris Plot with Dynamically Sorted Legend
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| month = 0:10 | |
| dat <- data.frame( | |
| month = month, | |
| traj1 = rnorm(11), | |
| traj2 = rnorm(11) | |
| ) | |
| m1 <- mPlot(x = 'month', y = c('traj1', 'traj2'), data = dat, type = 'Line') | |
| m1$set(parseTime = FALSE) | |
| m1$set(hoverCallback = "#! function(index, options, content){ | |
| var row = options.data[index] | |
| month = 'Month: ' + row.month | |
| line1 = 'Traj1: ' + row.traj1 | |
| line2 = 'Traj2: ' + row.traj2 | |
| if (row.traj1 < row.traj2){ | |
| tmp = line1; line1 = line2; line2 = tmp; | |
| } | |
| return [month, line1, line2].join('<br/>') | |
| } !#") | |
| m1 |
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| <!doctype HTML> | |
| <meta charset = 'utf-8'> | |
| <html> | |
| <head> | |
| <link rel='stylesheet' href="http://netdna.bootstrapcdn.com/bootswatch/2.3.1/cosmo/bootstrap.min.css"> | |
| <link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/css/bootstrap-responsive.min.css" > | |
| <link rel='stylesheet' href="http://getbootstrap.com/2.3.2/assets/js/google-code-prettify/prettify.css"> | |
| <link rel='stylesheet' href="http://aozora.github.io/bootplus/assets/css/docs.css"> | |
| <link rel='stylesheet' href='http://cdn.oesmith.co.uk/morris-0.4.2.min.css'> | |
| <script src='http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js' type='text/javascript'></script> | |
| <script src='http://cdnjs.cloudflare.com/ajax/libs/raphael/2.1.0/raphael-min.js' type='text/javascript'></script> | |
| <script src='http://cdn.oesmith.co.uk/morris-0.4.2.min.js' type='text/javascript'></script> | |
| <style> | |
| .rChart { | |
| display: block | |
| margin: auto auto; | |
| width: 100%; | |
| height: 400px; | |
| } | |
| /* | |
| body { | |
| margin-top: 60px; | |
| } | |
| */ | |
| </style> | |
| </head> | |
| <body> | |
| <div class='container'> | |
| <div class='row'> | |
| <div class='span8'> | |
| <div class="bs-docs-example"> | |
| <div id='chart15961f0c408' class='rChart morris'> | |
| </div> | |
| <br/> | |
| <pre><code class='r'>month = 0:10 | |
| dat <- data.frame( | |
| month = month, | |
| traj1 = rnorm(11), | |
| traj2 = rnorm(11) | |
| ) | |
| m1 <- mPlot(x = 'month', y = c('traj1', 'traj2'), data = dat, type = 'Line') | |
| m1$set(parseTime = FALSE) | |
| m1$set(hoverCallback = "#! function(index, options, content){ | |
| var row = options.data[index] | |
| month = 'Month: ' + row.month | |
| line1 = 'Traj1: ' + row.traj1 | |
| line2 = 'Traj2: ' + row.traj2 | |
| if (row.traj1 < row.traj2){ | |
| tmp = line1; line1 = line2; line2 = tmp; | |
| } | |
| return [month, line1, line2].join('<br/>') | |
| } !#") | |
| m1 | |
| </code></pre> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| <script type='text/javascript'> | |
| var chartParams = { | |
| "element": "chart15961f0c408", | |
| "width": 700, | |
| "height": 400, | |
| "xkey": "month", | |
| "ykeys": [ | |
| "traj1", | |
| "traj2" | |
| ], | |
| "data": [ | |
| { | |
| "month": 0, | |
| "traj1": -1.043545070837, | |
| "traj2": -0.3738552629869 | |
| }, | |
| { | |
| "month": 1, | |
| "traj1": 1.178902021019, | |
| "traj2": -0.02622395872875 | |
| }, | |
| { | |
| "month": 2, | |
| "traj1": 1.418269738111, | |
| "traj2": 1.789230918333 | |
| }, | |
| { | |
| "month": 3, | |
| "traj1": -1.718234157295, | |
| "traj2": -2.046378574553 | |
| }, | |
| { | |
| "month": 4, | |
| "traj1": 1.471426259781, | |
| "traj2": 2.246902862323 | |
| }, | |
| { | |
| "month": 5, | |
| "traj1": 1.196944295267, | |
| "traj2": 1.845120537351 | |
| }, | |
| { | |
| "month": 6, | |
| "traj1": -1.504747109399, | |
| "traj2": -0.7289058610983 | |
| }, | |
| { | |
| "month": 7, | |
| "traj1": -1.432637917079, | |
| "traj2": -0.7096412934887 | |
| }, | |
| { | |
| "month": 8, | |
| "traj1": 1.392273894799, | |
| "traj2": -1.300984562468 | |
| }, | |
| { | |
| "month": 9, | |
| "traj1": -0.4115259684652, | |
| "traj2": -2.095647356595 | |
| }, | |
| { | |
| "month": 10, | |
| "traj1": -0.04985627691913, | |
| "traj2": 0.5969627708814 | |
| } | |
| ], | |
| "parseTime": false, | |
| "hoverCallback": function(index, options, content){ | |
| var row = options.data[index] | |
| month = 'Month: ' + row.month | |
| line1 = 'Traj1: ' + row.traj1 | |
| line2 = 'Traj2: ' + row.traj2 | |
| if (row.traj1 < row.traj2){ | |
| tmp = line1; line1 = line2; line2 = tmp; | |
| } | |
| return [month, line1, line2].join('<br/>') | |
| } , | |
| "id": "chart15961f0c408", | |
| "labels": [ "traj1", "traj2" ] | |
| }, | |
| chartType = "Line" | |
| new Morris[chartType](chartParams) | |
| </script> | |
| </body> | |
| <!-- Google Prettify --> | |
| <script src="http://cdnjs.cloudflare.com/ajax/libs/prettify/188.0.0/prettify.js"></script> | |
| <script | |
| src='https://google-code-prettify.googlecode.com/svn-history/r232/trunk/src/lang-r.js'> | |
| </script> | |
| <script> | |
| var pres = document.getElementsByTagName("pre"); | |
| for (var i=0; i < pres.length; ++i) { | |
| pres[i].className = "prettyprint linenums"; | |
| } | |
| prettyPrint(); | |
| </script> | |
| </html> |
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