An unusual and useful property of the PostgreSQL database is that it allows for object inheritance models as they apply to tables. This means that we can have parent/child relationships between tables and leverage that to structure the data in meaningful ways. In our example, we will apply this to hydrology data. This data can be points, lines, polygons, or more complex structures, but they have one commonality: they are explicitly linked in a physical sense and inherently related; they are all about water. Water/hydrology is an excellent natural system to model this way, as our ways of modeling it spatially can be quite mixed depending on scales, details, the data collection process, and a host of other factors.
PostGIS Cookbook - Second Edition
By :
PostGIS Cookbook - Second Edition
By:
Overview of this book
PostGIS is a spatial database that integrates the advanced storage and analysis of vector and raster data, and is remarkably flexible and powerful. PostGIS provides support for geographic objects to the PostgreSQL object-relational database and is currently the most popular open source spatial databases.
If you want to explore the complete range of PostGIS techniques and expose related extensions, then this book is for you.
This book is a comprehensive guide to PostGIS tools and concepts which are required to manage, manipulate, and analyze spatial data in PostGIS. It covers key spatial data manipulation tasks, explaining not only how each task is performed, but also why. It provides practical guidance allowing you to safely take advantage of the advanced technology in PostGIS in order to simplify your spatial database administration tasks. Furthermore, you will learn to take advantage of basic and advanced vector, raster, and routing approaches along with the concepts of data maintenance, optimization, and performance, and will help you to integrate these into a large ecosystem of desktop and web tools.
By the end, you will be armed with all the tools and instructions you need to both manage the spatial database system and make better decisions as your project's requirements evolve.
Table of Contents (18 chapters)
Title Page
Packt Upsell
Contributors
Preface
Free Chapter
Moving Data In and Out of PostGIS
Structures That Work
Working with Vector Data – The Basics
Working with Vector Data – Advanced Recipes
Working with Raster Data
Working with pgRouting
Into the Nth Dimension
PostGIS Programming
PostGIS and the Web
Maintenance, Optimization, and Performance Tuning
Using Desktop Clients
Introduction to Location Privacy Protection Mechanisms
Other Books You May Enjoy
Index
Customer Reviews