Client-Server Application "Web GIS"

Geographic Information Systems (GIS) have undergone significant improvements over the past decade and moved to online services. Today Web GIS applications and services are used everywhere and make geodata processing more accessible for users, but online solutions usually lack the flexibility and the rich set of provided settings for displaying data on the map compared to desktop (offline) solutions. The purpose of this work is to develop a new client-server Web GIS application for analysis and visualization of geospatial data (geodata), which will provide a flexible rendering setting for displaying multilayer maps. Implementation of this system is based on existing Web GIS libraries, which are combined to extend the functionality of the application and create a convenient system for the analysis of geodata. One of the key features of this system is a tool for visualization of "raw" raster data directly in the browser on the client side. This study describes the analysis of existing GIS solutions and libraries, design of the application architecture, determination of the database structure and selection of a suitable technology stack. This development uses the methods of software construction and UML design. The result of this development is a new client-server Web GIS application with extended functionality for displaying geodata. The work includes 60 main text pages, 22 illustrations, 2 tables, 5 appendixes. Bibliographic list - 38 titles.