@startuml

package jmri.jmrix {}
package jmrix.loconet {}
package loconet.locobuffer {}
package loconet.pr3 {}

package jmrix.nce {}
package nce.serialdriver {}
package nce.usbdriver {}
package nce.simulator {}
package nce.networkdriver {}

jmri.jmrix +-- jmrix.nce
jmri.jmrix +-- jmrix.loconet

jmrix.loconet +-- loconet.locobuffer
jmrix.loconet +-- loconet.pr3

jmrix.nce +-- nce.serialdriver
jmrix.nce +-- nce.usbdriver 
jmrix.nce +-- nce.simulator
jmrix.nce +-- nce.networkdriver

@enduml