plugin_description.xml

<library path="lib/libubiquity_voronoi_rviz_lib">
  <class name="VoronoiGraph"
         type="ubiquity_voronoi_rviz::VoronoiGraphDisplay"
         base_class_type="rviz::Display">
    <description>
      Displays Voronoi Graphs in RVIZ
    </description>
    <message_type>ubiquity_voronoi_graph/Graph</message_type>
  </class>
  <class name="VoronoiSegment"
         type="ubiquity_voronoi_rviz::VoronoiSegmentDisplay"
         base_class_type="rviz::Display">
    <description>
      Displays Voronoi Segments in RVIZ
    </description>
    <message_type>ubiquity_voronoi_graph/Graph</message_type>
  </class>
</library>