Geographical Information Systems#
GIS, or Geographic Information System, is a system designed for capturing, storing, manipulating, analyzing, managing, and presenting spatial or geographic data. GIS technology allows for the integration, visualization, and analysis of data that has a geographic component, such as maps, satellite images, and other geospatial data. This technology is used in a wide range of fields, including geography, urban planning, natural resource management, and many others, to help understand and make decisions based on spatial data. GIS can be used to create interactive maps and visualizations, analyze patterns and trends in the data, and model spatial relationships and processes.
PostGIS is a spatial database extension for the PostgreSQL database management system. It adds support for geographic objects and allows spatial data to be stored, manipulated, and analyzed in the database. PostGIS allows for the integration of spatial data with other types of data in the database, and provides a range of spatial analysis and data management functions. This makes it a powerful tool for working with spatial data in a variety of applications, such as geographic information systems (GIS), location-based services, and many others.