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GeoServer Beginner's Guide

You're reading from   GeoServer Beginner's Guide Share geospatial data using Open Source standards

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781788297370
Length 384 pages
Edition 2nd Edition
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Author (1):
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Stefano Iacovella Stefano Iacovella
Author Profile Icon Stefano Iacovella
Stefano Iacovella
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Table of Contents (13) Chapters Close

Preface 1. GIS Fundamentals FREE CHAPTER 2. Getting Started with GeoServer 3. Exploring the Administrative Interface 4. Adding Your Data 5. Accessing Layers 6. Styling Your Layers 7. Creating Simple Maps 8. Performance and Caching 9. Automating Tasks - GeoServer REST Interface 10. Securing GeoServer Before Production 11. Tuning GeoServer in a Production Environment 12. Going Further - Getting Help and Troubleshooting

Web Feature service


Creating a request to access a layer through WFS is not so different from WMS. However, the output is very different; with WFS, you get a vector representation of the data in a textual or binary format. The following code snippet is a request for the Packt:places layer:

     http://localhost:8080/geoserver/Packt/ows? 
     service=WFS& 
     version=1.0.0& 
     request=GetFeature& 
     typeName=Packt:places& 
     maxFeatures=50& 
     outputFormat=text/xml; subtype=gml/2.1.2 

As we did previously with WMS, we are now going to discuss each parameter:

Parameter

Description

service

Explains to GeoServer what kind of request you are sending. The value is WFS as we want to retrieve a vector representation of the data.

version

Indicates the specific version of WFS you want to use.

request

Defines what operation you are requesting, among those supported by the service, GetFeature is the basic request to obtain data.

typeName

Specifies what layer should be used to...

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