Rugged is an Orekit add-on handling Digital Elevation Models contribution to line of sight computation
'org.orekit:rugged:1.0'
<dependency>
<groupId>org.orekit</groupId>
<artifactId>rugged</artifactId>
<version>1.0</version>
</dependency>
<dependency org="org.orekit" name="rugged" rev="1.0"/>
"org.orekit", "rugged", "1.0"