Spatial Geometric QueriesCovers SQL queries for exploring spatial geometries' characteristics and properties in geographic information systems.
Creating Test DatabasesCovers the creation of test databases for SQL queries using Spatialite and Postgis with QGIS.
Arc Length ApproximationExplores arc length calculation for curves and polygons inscribed in circles using trigonometry and parametric equations.
Geographic Information StorageCovers geographic information storage challenges, data types, methods, and formats, emphasizing structured data and centralizing data access.