Interface to PGPLOT (both libraries)

AGP_ACTIV( status )
Initialise PGPLOT

AGP_ASSOC( param, acmode, pname, border, picid, status)
Associate a device with AGI and PGPLOT through ADAM

AGP_DEACT( status )
Close down PGPLOT

AGP_DEASS( param, parcan, status )
De-associate a device from AGI and PGPLOT

AGP_NVIEW( border, status )
Create a new PGPLOT viewport from the current picture

AGP_SVIEW( pname, coment, picid, status )
Save the current PGPLOT viewport in the database