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This wiki documents Vega version 2. For Vega 3 documentation, see vega.github.io/vega.
Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. This wiki contains documentation and learning materials for getting up and running with Vega.
| Page | Description |
|---|---|
| Visualization | Top-level visualization properties. |
| Data | Define and load data to visualize. |
| Data Transforms | Transform data prior to visualization. |
| Streaming Data | Operators and APIs to insert, update, and remove data tuples. |
| Scales | Map data properties to visual properties using scales. |
| Axes | Axes visualize scales for spatial encodings. |
| Legends | Legends visualize scales for color, shape and size encodings. |
| Marks | Visualize data using various graphical marks. |
| Group Marks | A special kind of mark that can contain other marks. |
| Signals | Dynamic variables to drive interactive behaviours. |
| Expressions | Expression language for filters, formulas and signals. |
| Predicates | Deprecated. Conditions (or "selections") to modify mark properties. |
| Page | Description |
|---|---|
| Runtime | Deploying and using the browser-based Vega runtime. |
| Streaming Data | Operators and APIs to insert, update, and remove data tuples. |
| Theme Configuration | Configuration properties to define the default look and feel. |
| Web Embedding | Embed interactive views and query widgets into web pages. |
| Headless Mode | Server-side Vega using "headless" rendering. |
| Page | Description |
|---|---|
| Getting Started Tutorial | A Vega Bar Chart, Deconstructed. |
| Interactive Tutorials | Interactive tutorials for learning Vega. |
| Debugging Tutorial | Step-by-step tutorial of Vega's debugging tools. |
| Gallery | A community curated gallery of Vega visualizations. |
| Page | Description |
|---|---|
| Vega and D3 | On the relationship between Vega and D3.js. |
| Vega and Browserify | Requirements for including Vega in your browserify bundle. |
| Upgrading to 2.0 | Lists the changes made to the specification language in v2.0. |
| Contribute | Some project ideas for anyone interested in improving Vega. |
- Vega Discussion Group / Mailing List
- Online Vega Editor
- Academic Papers about Vega (UIST 2014 and InfoVis 2015).