Integration of cartographic data into a single information system

It is considered one of the most important problem of modern cartography – the integration of various cartographic products into one information system in compliance with INSPIRE requirements and described important role of geodesic sphere in the performance of this integration. Basic rules of integration of geodata users are given and the importance of cadastral data for GIS is underlined. It is emphasized that definition of the reference layer (orthophoto) must comply with ISO standards.