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GeoServer Beginner's Guide

GeoServer Beginner's Guide

By : Iacovella
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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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Working with polygon symbols


Polygons are defined by a set of rings, a closed lineString, so it is not surprising that you have the possibility of setting the stroke color and width. By defining a closed area, you may also set how this area has to be filled. The key element is <PolygonSymbolizer>; include it inside any rule you are defining for polygons. We will start with a fairly simple example.

Creating a simple polygon style

Since you were a kid, you have been familiarized with the political maps of the world. Countries were rendered with brown boundaries and there were different colors for each country. Isn't this a wonderful example for your first polygon styling?

Note

You may wonder how many different colors you need to build a map where each adjacent country does not share the same color. The answer is not trivial; indeed, it is a surprisingly little number. Four different colors are enough for a map with any number of polygonal features. Take a look at http://en.wikipedia.org...

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