Rotation Style Example
    
        vector, feature, stylemap, rotation, cleanup, light
    
    
    
        Use the rotation property of a point symbolizer to rotate
        point symbolizers.
    
    
    
        To style point features with rotation, use the rotation property of the
        symbolizer. The center of the rotation is the point of the image
        specified by graphicXOffset and graphicYOffset. The rotation is
        specified in degrees clockwise.