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GeoServer Beginner's Guide

GeoServer Beginner's Guide

By : Iacovella
3 (2)
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GeoServer Beginner's Guide

GeoServer Beginner's Guide

3 (2)
By: Iacovella

Overview of this book

GeoServer is an opensource server written in Java that allows users to share, process, and edit geospatial data. This book will guide you through the new features and improvements of GeoServer and will help you get started with it. GeoServer Beginner's Guide gives you the impetus to build custom maps using your data without the need for costly commercial software licenses and restrictions. Even if you do not have prior GIS knowledge, you will be able to make interactive maps after reading this book. You will install GeoServer, access your data from a database, and apply style points, lines, polygons, and labels to impress site visitors with real-time maps. Then you follow a step-by-step guide that installs GeoServer in minutes. You will explore the web-based administrative interface to connect to backend data stores such as PostGIS, and Oracle. Going ahead, you can display your data on web-based interactive maps, use style lines, points, polygons, and embed images to visualize this data for your web visitors. You will walk away from this book with a working application ready for production. After reading GeoServer Beginner's Guide, you will be able to build beautiful custom maps on your website using your geospatial data.
Table of Contents (13 chapters)
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Understanding Styled Layer Descriptor (SLD)


Any map contains a set of layers, for example, a graphical representation of spatial features. Each layer contains features of a determined geometry type. When you ask GeoServer for a map, for instance, by issuing a WMS GetMap request, it extracts features from the repository (a PostGIS database or a shapefile) and draws them according to some rules. Of course, it needs a repository to store those rules; therefore, GeoServer developers needed to decide a format for the storage medium containing rules.

Map rendering is not just a GeoServer problem; unsurprisingly, it is common to all software-producing maps. Hence, it is not surprising that someone has defined a standard approach to styling layers. Indeed, GeoServer does not use a custom format for styles; instead, it leverages on an OGC standard.

The standard describes the structure of the documents and what kind of rules can be used and mixed inside the style. A document containing symbols' definitions...

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