In the previous chapter, we covered the basics of sharing content over the web. We discussed how the web works, and how we can send spatial data over it. Then, we set up QGIS Server to see how spatial data are rendered as regular images and visualized in a client. Then we went on and configured GeoServer to have a reliable spatial server in our service, even capable of tiling up rendered images, and not only providing, but also caching those tiles.
In this chapter, we will learn about styling vector and raster data in GeoServer. We will cover the basic symbolizers we can use, and the syntax of the style language used by GeoServer--SLD (Styled Layer Descriptor). After you understand how SLD works, we'll go on and study the more convenient GeoServer CSS, which is a concise, CSS (Cascading Style Sheet)-based language available in GeoServer through...
