 flat model height <0 is now possible with SLEVE again (this was accidentally turned off in commit  d5a70131d374932b555a7e44f0785e4a06af5f4e )
 flat model height <0 is now possible with SLEVE again (this was accidentally turned off in commit  d5a70131d374932b555a7e44f0785e4a06af5f4e )

NCAR/icar,gutmann/icar,NCAR/icar,NCAR/icar,gutmann/icar,gutmann/icar