engleski

Transformation from Engineering to Global Coordinate Reference Systems

By Decision of Government of Republic of Croatia on determining new geodetic datums and plane cartographic projections, HTRS96 (Croatian Terrestrial Reference System for epoch 1995.55), which is based on ETRS89 (European Terrestrial Reference System 1989), was accepted as new position reference system in Republic of Croatia. When speaking of engineering coordinate systems, primarily designed for local geodetic field application in building control and monitoring, it is important to provide a valid transformation to global coordinate reference systems for many purposes, on a state level. There are different approaches for that task. In this work, introduction of Unified Modeling Language (UML) in modeling of transformation process, from engineering to global coordinate reference systems is given. Process modeling with UML gives many advantages in defining procedure structure, operations, objects and attributes. As International Organization for Standardization (ISO), has accepted UML as standard for object- orientated modeling it would be recommended to use it in all geodetic processes.

HTRS96; engineering coordinate system; global coordinate system; transformation; UML.

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