This topic introduces the basic concepts and terms used in DataV.

Visualization project

Dashboards that are generated based on various data. DataV is a tool that converts data into various dynamic charts and maps to present data to users in real time.

If you want to quickly create a visualization project, see Quick start.

Data source

To create a visualization project by using DataV, you must specify the source of raw data. DataV supports the following types of data sources:

  • Database
  • File
  • API
  • Others

For more information about how to add a data source, see Add a data source.


A canvas is also called a canvas editor and is the main functional area of DataV. You can use a canvas to determine the layout and colors for a project, adjust the sizes and locations of charts, and preview the configuration of the project. Canvas

For more information about how to use a canvas, see Canvas operations.


The toolbar is located at the top of a canvas. You can use the toolbar to redirect to the console, show or hide the layer panel, widget panel, and right-side panel, set project filter, view widget updates, configure a variety of functions, such as node programming, publish, preview, help, and error reporting. DataV toolbar


You can click the Widgets icon in the toolbar to select widgets from the Widgets drop-down list and add them to a canvas.

DataV supports the following types of widgets:
  • Charts
  • Maps
  • Media
  • Texts
  • Networks
  • Materials
  • Interaction
  • Others
  • Favorite widgets