Publication details

To design a reference model for integration geodata from various resources



Year of publication 2005
Type Article in Proceedings
Conference 11th EC-GIandGIS Workshop - ESDI: Setting the Framework - abstracts
MU Faculty or unit

Faculty of Science

Field Earth magnetism, geography
Keywords GIS; GI; cartography; SDI; data interoperability
Description Data interoperability is key issue of developing spatial data infrastructure. Existing geodata are are crated in very heterogeneous environment. For integration of data is necessary to create mechanism for harmonisation of data. In frame of the open regional atlas we designed methodology allowing integration of data from various resources. This methodology is based on combination of a landscape skeleton and stable features in background maps. The landscape skeleton is composition of terrain lines, water lines and fixed communication lines. Based on geomorfometrical, hydrological and importance characteristics is created hierarchical model of line segments. This model is used for multi-scale description of behaviour of the landscape skeleton. The Landscape skeleton is completed by map stable features. This features are stable in time and in scales. For geographical features entering into the atlas is identified source topographic backgroud. For this topographic background is created landscape skeleton with the same rule like landscape skeleton of the atlas. Between the landscape skeleton of the atlas transformed into proper scale and the landscape skeleton of the features background is created relationship. From this relationship is derived transformation formula for features. A research is part of Czech Science foundation project Open regional Internet atlas.
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