Analýza metod generalizace objektů land use/land cover v českém státním mapovém díle

Klesík, Dávid

This master thesis focuses on the detailed analysis of the present manual generalization of LU/LC objects from ZABAGED data to a scale of 1 : 50 000, to propose options for its future automatization based on ArcGIS software tools. Analyses of generalization methods are carried out on the data of the entire Czech Republic, by spatially comparing topologically correct objects of different scales and examining their characteristics. These analyses are therefore built on the principle of reverse engineering, when based on known inputs (original ZABAGED data) and outputs (manually generalized Data50 data), other inputs are derived in the form of criteria values used in the current practice. This is approached in such a way that by applying these detected values in the parameters of the ArcGIS functions, results comparable to the current generalized data are achieved. The Python programming language with the ArcPy library is used to perform the analyses. The derived values of current practice are described in detail and presented in tables, while their possibility and way of application in the future process of automatic generalization is determined. These results are also confronted with the Technical procedure for the creation of ZM 50. Based on this, the shortcomings of this manual and the derived...

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