This thesis addresses the development of a web application for the visualization and analysis of spatial data, with an emphasis on the efficient processing of GPS tracks in a web browser. The application is intended primarily for recreational athletes and enthusiasts of spatial data who need quick insight into their activities without using geographic information systems (GIS). Since GIS tools are often demanding to use and tied to specific operating environments, the developed application represents a modern, accessible, and responsive alternative. It enables users to quickly import, view, visualize routes, and analyze data directly in a web environment.
The initial part of the thesis provides fundamental knowledge of digital maps, coordinate systems, and methods of GPS data acquisition. On this basis, the thesis then presents an application that enables the interactive display of spatial layers, management of their visibility, and the execution of analyses. From their own uploaded GPS tracks, users can directly obtain distance, speed, and elevation changes, as well as store the data persistently in the browser. The developed application was tested with various GPS tracks, focusing on the correctness of data import, route display on the map, and the calculation of basic statistical values. The test results showed that the application enables a clear display of routes, reliable basic analysis of activities, and easy use without the need for more advanced GIS tools.
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