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Topographic Data Production as Basis for NSDI - Croatian Example

The establishment of the Croatian National Spatial Data Infrastructure have started at the beginning of the 1990's. At the front of the activities was the State Geodetic Administration that gathered surveying and geodetic experts from geodetic companies, science and educational organizations. They built the basic documentation that designates vision and goals, while through studies and pilot projects they developed procedures and exact steps for realization of the goals. SGA by definition and it's internal structure does not have production capacities, so all production phases are commended to the private geodetic companies in public and open tenders. One of the basic tasks in creation of NSDI is establishment of the Topographic Database, detailed and accurate spatial and seamless database of Croatia that has to serve for wide spectrum of users, from state and local administration, public institutions and state companies to the private companies. The main source for Topographic Database are topographic data collected in systematic and coordinated process by private geodetic companies. By establishment of the Croatian Geodetic Institute the process of Quality controlling ensures the homogeneity and alignment of the data to the Product Specifications that serves as a standard in production processes. In front of the geodetic community in Croatia are some important and inevitable steps that will allow integration into the European geospatial system. First of all, the change of geodetic datum and cartographic projection which have to be accommodated regarding new technologies and users' needs and secondly, adoption of the ISO standards, the process that already started in State Office for Standardization and Metrology.

NSDI; geoinformation; topographic database; quality control; ISO

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