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

Using tiles with OpenLayers


Now that you know how to manage caching configuration, we will explore how clients can use it. In this section, you will use an OpenLayers client to consume cached layers. You took a look at the OpenLayers library in the previous chapter, and, as usual, you do not need to be an expert; we will guide you to fully understand the basic code of the following example:

  1. We will create a new HTML file. It should be published with Apache Tomcat, so you can create it in the webapps/ROOT folder inside your Tomcat installation.
  2. Insert the following code snippet. As we are creating an HTML file, the code contains some mandatory elements. We also want to include a title for our page:
      <!DOCTYPE html> 
      <html> 
        <head> 
          <title>plain WMS</title> 
        </head> 
        <body> 
        </body> 
      </html>
  1. Now we have to include a reference to the OpenLayers library. We will use a reference to the...