Fundamental Base of Topographic Data of Czech Land Survey Office as a Source for Data-base Cartography and other applications.

摘要

The Fundamental Base of Geographic Data of Czech Land Survey Office (ZABAGED) is approaching twenty years of its existence. Today it serves not only as a source for database cartography production of State Map Series, but also for online map visualizations and as a basic datasource for information systems containing spatial data in governmental institutions. The presentation describes the shift in requirements on source data with transition of the cartography at Land Survey Office of the Czech Republic from the digital file based cartography, to the database one, managed by the change detection and processing. The technical aspects of communication interface and data transfer, as well as necessary change of attitude in all workflows concerning creating, updating and modifying relevant data in the source topographical database with impact on the change detection are discussed. Latest developments, including publication of INSPIRE compliant datasets, linking ZABAGED and database of geographical names, relation between ZABAGED and base Registry of Territori al Identification, Addresses and Real Estates, and advances in creation of common watercourse network shared between responsible institutions in the Czech Republic are described as well.