Book Image

GeoServer Beginner's Guide - Second Edition

By : Stefano Iacovella
Book Image

GeoServer Beginner's Guide - Second Edition

By: Stefano 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 (20 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
Index

Exploring the standard structure of a style


Regardless of the tool, you are using to create your style, it is worthwhile that you understand the basic syntax and structure of your documents. You may need to modify the styles after creation, and the features you need to add may not be supported by the program, or you may be simply on a server where the only way to edit is using a text editor. Besides, you will write XML code in the examples in this chapter.

A style always starts with a section, as shown in the following code fragment:

<?xml version="1.0" encoding="UTF-8"?> 
<StyledLayerDescriptor version="1.0.0"    xmlns="http://www.opengis.net/sld" xmlns:ogc="http://www.opengis.net/ogc" 
  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
  xsi:schemaLocation="http://www.opengis.net/sld http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd"> 

The first line is the XML declaration, common to any XML document and not only to...