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A Node-RED Dashboard widget node for declarative data visualization using Vega visualization grammar. It also support the Vega-lite specification.
Note: This node requires a live internet connection in order to load the required libraries via CDN.
Either use the Editor - Menu - Manage Palette - Install option, or run the following command in your Node-RED user directory (typically
~/.node-red) after installing Node-RED-dashboard.
npm install node-red-node-ui-vega
Note: This node uses APIs that require at least Node-RED 0.19 and Node-RED Dashboard 2.10.
Vega is a visualization grammar and framework for visualizing data
developed by University of Washington Interactive Data Lab.
ui_vega node accepts Vega and Vega-Lite data visualization specification in JSON format.
Vega/Vega-Lite specification in JSON format can be specified on node settings menu or
payload property of input message. If both parameters are set,
payload property takes precedence.
There are several examples that you can import from the Node-RED editor menu:
Import > Examples > node-red-node-ui-vega