Time for action – creating a simple point style

To familiarize you with SLD files creation, we will compose a simple style for using a small red circle applied to all the point features:

1. Open your favorite text editor. As mentioned previously, we will consider you have already inserted the XML declaration and the StyledLayerDescriptor part of the code. So start inserting a NamedLayer element. Then add a Name element and inside it write the name you want for your layer:

     <NamedLayer>
       <Name>PopulatedPlaces</Name>
     </NamedLayer>

2. Now you need to define at least one style for the layer. We use the Title element to assign a descriptive name to the style:

     <NamedLayer>
       <Name> PopulatedPlaces </Name>
       <UserStyle>
         <Title>Geoserver Beginners Guide: Populated Places simple mark</Title>
       </UserStyle>
     </NamedLayer>

3. The data you want to apply the styles to are points, hence its vector data. You need to insert a...