Introduction to GeoServer

5. Styling

GeoServer can render geospatial data as images and return them for viewing in a browser. This is the heart of WMS. However, geospatial data has no inherent visualization. Therefore additional information, in the form of a style, needs to be applied to data in order to visualize it.

We have already seen automatic/generic styles in action with the layers loaded in previous sections. In this section we will discuss how those styles are generated.

GeoServer uses the Styled Layer Descriptor (SLD) markup language to describe geospatial data. We will first explain basic SLD syntax and then show how to create and edit styles manually in GeoServer. Finally, we will introduce GeoExplorer, a browser-based apllication that contains a graphical style editor.

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