STAC, or Spatio-Temporal Asset Catalog, is a specification that aims to standardize the way geospatial data is organized and accessed. It provides a framework for describing and discovering geospatial assets, making it easier for users to find the data they need for their projects.

What is STAC?

STAC is a set of metadata standards that allows users to search for and access geospatial data based on both its spatial and temporal properties. This means that users can easily find data that is relevant to a specific location and time period, making it ideal for applications such as monitoring land use changes, tracking natural disasters, and analyzing environmental trends. STAC is designed to be flexible and easy to implement, making it a valuable tool for organizations working with large amounts of geospatial data.

How Does STAC Work?

STAC works by providing a set of common metadata fields that can be used to describe geospatial assets. These fields include information such as the asset’s spatial extent, temporal coverage, and data format. By using these standardized metadata fields, users can easily search for and access the data they need without having to navigate through different formats and structures. STAC also supports the use of APIs, making it possible to automate the process of discovering and accessing geospatial data. Overall, STAC simplifies the process of working with geospatial data, making it more accessible and efficient for users.

In conclusion, STAC is a valuable tool for organizing and accessing geospatial data. By providing a standard way to describe and discover assets, STAC makes it easier for users to find the data they need for their projects. With its flexibility and support for APIs, STAC is a powerful framework that can help organizations make the most of their geospatial data.