> For the complete documentation index, see [llms.txt](https://docs.jakarto.com/guide-jakartowns/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.jakarto.com/guide-jakartowns/en/viewing-data/qualite-des-donnees.md).

# Data Quality

Jakarto generates digital twins using mobile mapping units.

These systems collect two types of source data:

* Very high-density georeferenced point clouds;
* High-resolution georeferenced panoramic images;

This source data is accessible within Jakartowns for consultation, navigation, measurement, and manual asset inventories. A source data quality indicator is displayed at all times in Jakartowns' dedicated interface (see [Data Information](/guide-jakartowns/en/getting-started-with-jakartowns/interface/informations-sur-les-donnees.md)).

This data is also used by Jakarto's artificial intelligence algorithms to produce certain automated asset inventories and 2D imagery products (raster tiles). "Data sheets" detail the structure of asset inventory data and their respective attributes.

[Visit this page for more exhaustive information on the data quality produced by Jakarto.](https://docs.jakarto.com/info/en/qualite-des-donnees)