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pviz.js with alternate sequence
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| <html> | |
| <head> | |
| <title>pViz.js adding an alternate sequence, as additional customized features</title> | |
| <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css"> | |
| <link rel="stylesheet" type="text/css" href="http://research-pub.gene.com/pviz/examples/deps/pviz-core.css"> | |
| <script src="http://research-pub.gene.com/pviz/examples/deps/pviz-bundle.min.js"></script> | |
| <style type="text/css" media="screen" clas="example"> | |
| g.altSequence text { | |
| text-anchor: middle; | |
| font-family: monospace; | |
| opacity: 1.0; | |
| fill: red; | |
| } | |
| </style> | |
| </head> | |
| <body class="container"> | |
| <div class="row"> | |
| <h2>adding an alternate sequence, as additional customized features</h2> | |
| </div> | |
| <!-- min-width is for http://bl.ocks.org/ iframe (doc width sometimes 0 at init time)--> | |
| <div id="main" class="row" style="min-width:720px"></div> | |
| <div class="row"> | |
| <h3>Comments</h3> | |
| Let's add a secondary sequence. CSS is defined in header. | |
| </div> | |
| <div class="row"> | |
| <h4>Way more examples and demo apps with pViz <a href="http://research-pub.gene.com/pviz/examples/" target="_TOP_">here</a> | |
| </h4> | |
| </div> | |
| <script class="example"> | |
| var pviz = this.pviz; | |
| var seq = 'MELAALCRWGLLLALLPPGAASTQVCTGTDMKLRLPASPETHLDMLRHLYQGCQVVQGNLELTYLPTNASLSFLQDIQEVQGYVLIAHNQVRQVPLQRLRIVRGTQLFEDNYALAVLDNGDPLNNTTPVTGASPGGLRELQLRSLTEILKGGVLIQRNPQLCYQDTILWKDIFHKNNQLA'; | |
| var seqEntry = new pviz.SeqEntry({ | |
| sequence: seq | |
| }); | |
| new pviz.SeqEntryAnnotInteractiveView({ | |
| model: seqEntry, | |
| el: '#main' | |
| }).render(); | |
| /** | |
| * setting custome handler for a given type is stringly coupled with d3.js | |
| * two components: | |
| * - appender: to build the widget structure | |
| * - positioner: called at zooming, to adapt position, size (or whatever indeed) | |
| * - color and transparency are defined by css, found in the html header | |
| */ | |
| pviz.FeatureDisplayer.setCustomHandler('altSequence', { | |
| appender: function (viewport, svgGroup, features, type) { | |
| var sel = svgGroup.selectAll("g.feature.internal.data." + type).data(features).enter().append("g").attr("class", "feature internal data " + type) | |
| sel.append("text") | |
| .text(function (ft) { | |
| return ft.aa; | |
| }); | |
| return sel; | |
| }, | |
| positioner: function (viewport, d3selection) { | |
| //adapt the font size inregard to the distance betweence two AA positions | |
| var dx = viewport.scales.x(1) - viewport.scales.x(0); | |
| var ftSize = Math.min(20, dx); | |
| d3selection.selectAll('text') | |
| .attr('x', function (ft, i) { | |
| return viewport.scales.x(ft.start); | |
| }) | |
| .style('font-size', '' + ftSize + 'px'); | |
| return d3selection | |
| } | |
| }); | |
| var offset = 5; | |
| var features = _.map('GO SURF A WAVE'.split(''), function (c, i) { | |
| return { | |
| category: 'my other_seq', | |
| categoryName: '', | |
| type: 'altSequence', | |
| start: i + offset, | |
| end: i + offset, | |
| aa: c | |
| } | |
| }); | |
| seqEntry.addFeatures(features); | |
| </script> | |
| </body> | |
| </html> |
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