Development of a geoinformation system for monitoring the status of the state geodetic and state leveling networks of the Kursk region

Purpose. The purpose of the conducted research is to create a specialized geoinformation system as a single platform for systematization and automation of work with spatial and semantic data in planning and monitoring the state of points of the state geodetic and state leveling networks in the territory of the Kursk region, as well as the formation of reporting electronic documentation for the transfer of up-to-date information to the Federal Spatial Data Fund.

Methods. Based on the object-oriented analysis of the subject area, functional requirements for a specialized geoinformation system are formulated. A conceptual model of the system for implementing the functional requirements is built. Based on the object-connected method, a relational database for centralized storage and analysis of semantic and spatial information about points of state geodetic networks is designed. The method of thematic mapping is used to visualize data on the current state and location of points of geodetic networks on the ground.

Results. A cross-platform web-oriented specialized geographic information system has been developed, providing users with the following set of functions: visualization of the location and current status of points of the state geodetic and state leveling networks on the map of the Kursk region; transformation of coordinates from the WGS 84 system to the MSC 46 system; maintaining the database in an up-to-date state; searching for points using various filters; determining distances between points or arbitrary segments on the map; calculating geodetic coordinates of security zones of points; displaying the boundaries of security zones of points on the map; constructing an optimal route for moving between points; export/import operations for spreadsheet files

Conclusion. The developed geographic information system can be used by specialists of geodetic services and state land supervision departments for collecting, storing, editing, visualizing and analyzing spatial and semantic data when planning and monitoring the status of points of state geodetic networks, as well as when generating reporting documentation for transferring up-to-date information to the Federal Spatial Data Fund.

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