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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Vega</title>
<meta name="description" content="Vega is a declarative format for creating, saving, and sharing visualization designs. With Vega, visualizations are described in JSON, and generate interactive views using either HTML5 Canvas or SVG.">
<!-- Twitter card -->
<meta name="twitter:card" value="summary_large_image">
<meta name="twitter:site" value="@vega_vis">
<meta name="twitter:creator" value="@vega_vis">
<meta name="twitter:url" value="https://vega.github.io/">
<meta name="twitter:title" value="Vega: A Visualization Grammar">
<meta name="twitter:description" value="Vega is a declarative format for creating, saving, and sharing visualization designs. With Vega, visualizations are described in JSON, and generate interactive views using either HTML5 Canvas or SVG.">
<meta name="twitter:image" value="https://vega.github.io/images/vg.png">
<!--facebook open graph-->
<meta property="og:type" content="article">
<meta property="og:title" content="Vega: A Visualization Grammar">
<meta property="og:url" content="https://vega.github.io/">
<meta property="og:description" content="Vega is a declarative format for creating, saving, and sharing visualization designs. With Vega, visualizations are described in JSON, and generate interactive views using either HTML5 Canvas or SVG.">
<meta property="og:site_name" content="Vega">
<meta property="og:image" content="https://vega.github.io/images/vg.png">
<link rel="shortcut icon" href="favicon.ico" />
<link rel="stylesheet" type="text/css" href="css/main.css" />
</head>
<body>
<div id="main">
<div class="header">
<div class="pull-right">
<a href="https://idl.cs.washington.edu/" title="Interactive Data Lab">
<img src="images/idl-logo.png" />
</a>
</div>
<div class="mark">
<span class="uw">Vega Projects</span>
</div>
<div id="title">
Visualization Grammars
</div>
<br/>
</div>
<div class="content">
<p class="mission">
The Vega projects provide an ecosystem of tools for declarative data visualizations.
The various components of this ecosystem build on each other providing different levels of abstraction.
</p>
<p>
Vega is a <a href="https://numfocus.org/project/vega">NumFOCUS</a> sponsored project.
</p>
<div class="header">
<div class="lead">Toolkits</div>
</div>
<!-- VEGA AND VEGA LITE -->
<div class="thumbnail-wrapper">
<!-- Vega -->
<div class="thumbnail">
<div class="thumbnail--image">
<a href="https://vega.github.io/vega/">
<img src="images/vg.png" alt="Vega 3" />
</a>
</div>
<div class="desc">
<span class="lead">
<a href="https://vega.github.io/vega/">Vega</a>
</span>
is a visualization grammar, a declarative language for creating, saving, and sharing interactive visualization designs. With
Vega, you can describe the visual appearance and interactive behavior of a visualization in a JSON
format, and generate web-based views using HTML5 Canvas or SVG.
<div class="links">
<p>
<a href="https://vega.github.io/vega/examples/">Examples</a>
|
<a href="https://vega.github.io/vega/docs/">Docs</a>
|
<a href="https://vega.github.io/vega/tutorials/">Tutorials</a>
|
<a href="https://vega.github.io/editor/#/custom/vega">Online Editor</a>
|
<a href="https://www.github.com/vega/vega">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Vega -->
<!-- Vega Lite -->
<div class="thumbnail">
<div class="thumbnail--image">
<a href="https://vega.github.io/vega-lite">
<img src="images/vega-lite.png" alt="Vega-Lite" />
</a>
</div>
<div class="desc">
<span class="lead">
<a href="https://vega.github.io/vega-lite">Vega-Lite</a>
</span>
is a high-level visualization grammar. It provides a concise JSON syntax for supporting rapid generation of visualizations
to support analysis. Vega-Lite support interactive multi-view graphics. Specifications can be compiled
to Vega.
<div class="links">
<p>
<a href="https://vega.github.io/vega-lite/examples/">Examples</a>
|
<a href="https://vega.github.io/vega-lite/docs/">Docs</a>
|
<a href="https://vega.github.io/vega-lite/tutorials/getting_started.html">Tutorials</a>
|
<a href="https://vega.github.io/editor/#/custom/vega-lite">Online Editor</a>
|
<a href="https://www.github.com/vega/vega-lite">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Vega-Lite -->
</div>
<!-- /VEGA AND VEGA LITE -->
<!-- VEGA ALTAIR AND VEGAFUSION -->
<div class="thumbnail-wrapper">
<!-- Vega-Altair -->
<div class="thumbnail">
<div class="thumbnail--image">
<a href="https://https://altair-viz.github.io/">
<img src="images/vega-altair.png" alt="Vega-Altair" />
</a>
</div>
<div class="desc">
<span class="lead">
<a href="https://altair-viz.github.io/">Vega-Altair</a>
</span>
is a declarative visualization library for Python. Its simple, friendly and
consistent API,
built on top of the powerful Vega-Lite grammar, empowers you to spend less time writing code and
more time exploring your data.
<div class="links">
<p>
<a href="https://altair-viz.github.io/gallery/index.html">Examples</a>
|
<a href="https://altair-viz.github.io/">Docs</a>
|
<a href="https://altair-viz.github.io/getting_started/overview.html">Tutorials</a>
|
<a href="https://github.com/altair-viz/altair">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Vega-Altair -->
<!-- VegaFusion -->
<div class="thumbnail">
<div class="thumbnail--image">
<a href="https://vegafusion.io/">
<img src="images/vegafusion.png" alt="VegaFusion" />
</a>
</div>
<div class="desc">
<span class="lead">
<a href="https://vegafusion.io/">VegaFusion</a>
</span>
provides serverside acceleration for the Vega visualization grammar. While not limited to Python,
an initial application of VegaFusion is the acceleration of the Vega-Altair Python interface to Vega-Lite.
<div class="links">
<p>
<a href="https://vegafusion.io/example_gallery.html">Examples</a>
|
<a href="https://vegafusion.io/index.html">Docs</a>
|
<a href="https://github.com/vega/vegafusion">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /VegaFusion -->
</div>
<div class="header">
<div class="lead">Systems</div>
</div>
<!-- VEGA EMBED AND VEGA EDITOR -->
<div class="thumbnail-wrapper">
<!-- Vega-Embed -->
<div class="thumbnail">
<div class="thumbnail--image">
<a href="https://github.com/vega/vega-embed/">
<img src="images/vega-embed.png" alt="Vega-Embed" />
</a>
</div>
<div class="desc">
<span class="lead">
<a href="https://github.com/vega/vega-embed/">Vega-Embed</a>
</span>
makes it easy to embed interactive Vega and Vega-Lite views into web pages. With Vega-Embed you can
publish Vega visualizations as embedded web components with interactive parameters.
<div class="links">
<p>
<a href="https://www.jsdelivr.com/package/npm/vega-embed">jsDelivr</a>
|
<a href="https://vega.github.io/vega-lite/usage/embed.html">Documentation</a>
|
<a href="https://github.com/vega/vega-embed">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Vega-Embed -->
<!-- Vega-Editor -->
<div class="thumbnail">
<div class="thumbnail--image">
<a href="https://github.com/vega/editor">
<img src="images/editor.png" alt="Vega-Editor" />
</a>
</div>
<div class="desc">
<span class="lead">
<a href="https://github.com/vega/editor">Vega-Editor</a>
</span>
is a web application for authoring and testing Vega and Vega-Lite visualizations. It includes a number of example specifications that showcase both the visual encodings and interaction techniques.
<div class="links">
<p>
<a href="https://vega.github.io/editor/">Online Editor</a>
|
<a href="https://github.com/vega/editor">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Vega-Editor -->
</div>
<!-- VEGA EMBED AND VEGA EDITOR END -->
<div class="header">
<div class="lead">
Components
</div>
</div>
<!-- VEGA DATASETS AND VEGA THEMES -->
<div class="thumbnail-wrapper">
<!-- Vega-Datasets -->
<div class="thumbnail">
<div class="desc">
<span class="lead">
<a href="https://github.com/vega/vega-datasets">Vega-Datasets</a>
</span>
is a collection of datasets used in Vega and Vega-Lite examples.
<div class="links">
<p>
<a href="https://cdn.jsdelivr.net/npm/vega-datasets">jsDelivr</a>
|
<a href="https://github.com/vega/vega-datasets">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Vega-Datasets -->
<!-- Vega-Themes -->
<div class="thumbnail">
<div class="desc">
<span class="lead">
<a href="https://github.com/vega/vega-themes">Vega Themes</a>
</span>
is a configuration object with default settings for a variety of visual properties such as colors, typefaces, line widths and spacing.
<div class="links">
<p>
<a href="https://www.jsdelivr.com/package/npm/vega-themes">jsDelivr</a>
|
<a href="https://observablehq.com/@vega/vega-themes-demo">Demo page</a>
|
<a href="https://github.com/vega/vega-themes">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Vega-Themes -->
</div>
<!-- VEGA DATASETS AND VEGA THEMES END -->
<!-- VEGA TOOLTIPS AND VL CONVERT -->
<div class="thumbnail-wrapper">
<!-- Vega-Tooltips -->
<div class="thumbnail">
<div class="desc">
<span class="lead">
<a href="https://github.com/vega/vega-tooltip">Vega-Tooltips</a>
</span>
is a tooltip plugin for Vega and Vega-Lite visualizations. This plugin implements a custom tooltip handler for Vega that uses custom HTML tooltips instead of the HTML title attribute.
<div class="links">
<p>
<a href="https://www.jsdelivr.com/package/npm/vega-tooltip">jsDelivr</a>
|
<a href="https://github.com/vega/vega-tooltip">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Vega-Tooltips -->
<!-- VL-Convert -->
<div class="thumbnail">
<div class="desc">
<span class="lead">
<a href="https://github.com/vega/vl-convert">VlConvert</a>
</span>
provides a Rust library, CLI utility, and Python library for converting Vega-Lite chart specifications into static images (SVG or PNG) or Vega chart specifications.
<div class="links">
<p>
<a href="https://github.com/vega/vl-convert/tree/main/vl-convert-python#readme">Python Examples</a>
|
<a href="https://github.com/vega/vl-convert">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /VL-Convert -->
</div>
<!-- VEGA TOOLTIPS AND VL CONVERT END -->
<!-- ALTAIR TILES AND DASH VEGA COMPONENTS -->
<div class="thumbnail-wrapper">
<!-- Altair-Tiles -->
<div class="thumbnail">
<div class="desc">
<span class="lead">
<a href="https://github.com/vega/altair_tiles">Altair-Tiles</a>
</span>
can be used to add tiles from any xyz tile provider such as OpenStreetMap to your Altair chart.
<div class="links">
<p>
<a href="https://vega.github.io/altair_tiles/intro.html">Documentation</a>
|
<a href="https://github.com/vega/altair_tiles">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Altair-Tiles -->
<!-- Dash-Vega-Components -->
<div class="thumbnail">
<div class="desc">
<span class="lead">
<a href="https://dash.plotly.com/dash-vega-components">Dash Vega Components</a>
</span>
can be used to display Vega-Altair charts in Dash applications.
<div class="links">
<p>
<a href="https://dash.plotly.com/dash-vega-components">Dash Documentation</a>
|
<a href="https://github.com/vega/dash-vega-components">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Dash-Vega-Components -->
</div>
<!-- ALTAIR TILES AND DASH VEGA COMPONENTS END -->
<div class="header">
<div class="lead">Governance</div>
</div>
<!-- GOVERNANCE AND ROADMAP -->
<div class="thumbnail-wrapper">
<!-- Governance -->
<div class="thumbnail">
<div class="desc">
<span class="lead">
<a href="https://github.com/vega/.github">Governance</a>
</span>
Community health files for the Vega Projects.
<div class="links">
<p>
<a href="https://github.com/vega/.github/blob/main/CHARTER.md">Charter</a>
|
<a href="https://github.com/vega/.github/blob/main/CODE_OF_CONDUCT.md">Code of Conduct</a>
|
<a href="https://github.com/vega/.github/blob/main/STEERING-COMMITTEE.md">Steering-Committee</a>
|
<a href="https://github.com/vega/.github">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Governance -->
<!-- Roadmap -->
<div class="thumbnail">
<div class="desc">
<span class="lead">
<a href="https://github.com/orgs/vega/projects/9/views/3?pane=info">Roadmap</a>
</span>
provides our ideas to refine and extend the feature set and improve scalability to larger datasets. All of the planned improvements will benefit the whole Vega ecosystem.
<div class="links">
<p>
<a href="https://github.com/orgs/vega/projects/9/views/3?pane=info">Project Board</a>
|
<a href="https://github.com/vega/roadmap">GitHub</a>
</p>
</div>
</div>
</div>
<!-- /Roadmap -->
</div>
<!-- GOVERNANCE AND ROADMAP END -->
</div>
<div class="footer">
Edit this page at
<a href="https://github.com/vega/vega.github.io">github.com/vega/vega.github.io</a>.
</div>
</div>
</body>
</html>