vis.js is a dynamic, browser-based visualization library
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  1. <!DOCTYPE html>
  2. <html lang="en"><head>
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  9. <title>Data - vis.js - A dynamic, browser based visualization library.</title>
  10. <!-- Bootstrap core CSS -->
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  30. <div class="navbar-wrapper">
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  32. <nav class="navbar navbar-inverse navbar-static-top" role="navigation">
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  42. <a class="navbar-brand hidden-sm" href="./index.html">vis.js</a>
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  44. <div id="navbar" class="navbar-collapse collapse">
  45. <ul class="nav navbar-nav">
  46. <li><a href="http://www.visjs.org/index.html#modules">Modules</a></li>
  47. <li><a href="http://www.visjs.org/blog.html">Blog</a></li>
  48. <li><a href="http://www.visjs.org/index.html#download_install">Download</a></li>
  49. <li><a href="http://www.visjs.org/showcase/index.html">Showcase</a></li>
  50. <li><a href="http://www.visjs.org/index.html#contribute">Contribute</a></li>
  51. <li><a href="http://www.visjs.org/featureRequests.html">Feature requests</a></li>
  52. <li><a href="http://www.visjs.org/index.html#licenses">License</a></li>
  53. </ul>
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  73. <a href="https://github.com/almende/vis" class="hidden-xs hidden-sm hidden-md"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/38ef81f8aca64bb9a64448d0d70f1308ef5341ab/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6461726b626c75655f3132313632312e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png"></a>
  74. <div class="container full">
  75. <h1>Data</h1>
  76. <p>
  77. One of the starting points of the visualizations of vis.js is that they can deal with dynamic data, and allow manipulation of the data. To enable this, vis.js includes a flexible key/value based <code>DataSet</code> and <code>DataView</code> to handle unstructured JSON data.
  78. </p>
  79. <p>
  80. By providing a <code>DataSet</code> with data to the visualizations, they can subscribe on changes in the <code>DataSet</code> and automatically reflect the changes in their view. Changes in the data can be caused by a server pushing updates to a client, or by other interactive components in the web application. Vice versa, data can be manipulated in one of the visualizations. For example a REST-client can listen for changes and automatically write changes to the server. Or changes can be propagated to other parts of the web application.
  81. </p>
  82. <h2>DataSet</h2>
  83. <p>
  84. A <code>DataSet</code> can be used to store JSON objects by id. Objects can be added, updated and removed from the DatSet, and one can subscribe to changes in the <code>DataSet</code>.
  85. The data in the <code>DataSet</code> can be filtered and ordered, and fields (like
  86. dates) can be converted to a specific type. Data can be normalized when
  87. appending it to the <code>DataSet</code> as well.
  88. </p>
  89. <p>
  90. <a href="dataset.html">Go to the documentation of DataSet</a>
  91. </p>
  92. <h2>DataView</h2>
  93. <p>
  94. A <code>DataView</code> offers a filtered and/or formatted view on a DataSet.
  95. One can subscribe to changes in a <code>DataView</code>, and easily get filtered or
  96. formatted data without having to specify filters and field types all
  97. the time.
  98. </p>
  99. <p>
  100. <a href="dataview.html">Go to the documentation of DataView</a>
  101. </p>
  102. </div>
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