The main purpose of SDI is to provide governments, organizations, and executive agencies the access of basic, processed, layered, and updated spatial data at the lowest possible cost and in the shortest possible time.The goal is not that an organization provides and has all layers of spatial data. but the goal is for each organization to be in charge of preparing and updating different layers of its spatial data, and to receive other spatial data layers that affect its work from the responsible organization with a specific mechanism because each organization to provide or purchasing the required spatial data has a certain financial capacity.
.In this section, there is possibility to download the documents produced by the National Cartographic Center and other international authorities
In this section you can search for information layers and existence maps in the National Spatial Data Infrastructure Portal.
In this section, all users can express their opinions about the quality, speed and ease of working with the portal
In this section, users can express their questions about the portal from relevant experts.