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    Write efficient GIS applications using PostGIS - from data creation to data consumptionAbout This BookLearn how you can use PostGIS for spatial data analysis and manipulationOptimize your queries and build custom functionalities for your GIS applicationA comprehensive guide with hands-on examples to help you master PostGIS with easeWho This Book Is ForIf you are a GIS developer or analyst who wants to master PostGIS to build efficient, scalable GIS applications, this book is for you. If you want to conduct advanced analysis of spatial data, this book will also help you. The book assumes that you have a working installation of PostGIS in place, and have working experience with PostgreSQL.What You Will LearnRefresh your knowledge of the PostGIS concepts and spatial databasesSolve spatial problems with the use of SQL in real-world scenariosPractical walkthroughs of application development examples using Postgis, GeoServer and OpenLayers.Extract, transform and load your spatial dataExpose data directly or through web services.Consume your data in both desktop and web clientsIn DetailPostGIS is open source extension onf PostgreSQL object-relational database system that allows GIS objects to be stored and allows querying for information and location services. The aim of this book is to help you master the functionalities offered by PostGIS- from data creation, analysis and output, to ETL and live edits.The book begins with an overview of the key concepts related to spatial database systems and how it applies to Spatial RMDS. You will learn to load different formats into your Postgres instance, investigate the spatial nature of your raster data, and finally export it using built-in functionalities or 3th party tools for backup or representational purposes.Through the course of this book, you will be presented with many examples on how to interact with the database using JavaScript and Node.js. Sample web-based applications interacting with backend PostGIS will also be presented throughout the book, so you can get comfortable with the modern ways of consuming and modifying your spatial data.Style and approachThis book is a comprehensive guide covering all the concepts you need to master PostGIS. Packed with hands-on examples, tips and tricks, even the most advanced concepts are explained in a very easy-to-follow manner. Every chapter in the book does not only focus on how each task is performed, but also why.

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