Author Archives: Regina Obe

Regina Obe is a member of the PostGIS core development team and the Project Steering Committee. Her company, Paragon Corporation, was founded in 1997, together with her husband Leo Hsu, and has provided database and GIS solutions for a broad range of clients. They also host two sites: and

PostGIS in Action, 3rd Edition

PostGIS in Action, Third Edition shows you how to solve real-world geodata problems. You’ll go beyond basic mapping, and explore custom functions for your applications. Inside this fully updated edition, you’ll find coverage of new PostGIS features such as PostGIS Window functions, parallelization of queries, and outputting data for applications using JSON and Vector Tile functions.