Hi,
Found the answer to the background myself: 'trellis.par.get' and
'trellis.par.set'
background<-trellis.par.get("background")
background$col<-"white"
trellis.par.set("background", background)
Willem
--
Dr R.W. Vervoort
McCaughey Senior Lecturer Hydrology and Catchment Management
Faculty of Agriculture, Food and Natural Resources
Rm 503, Watt Bldg.
http://www.agric.usyd.edu.au/mccaughey
Postal:
Bldg A03
The University of Sydney, NSW, 2006
phone: +61 (2) 9351 8744
fax: +61 (2) 9351 5108
e-mail: w.vervoort at acss.usyd.edu.au
