[R] trellis backround color

[orkun]

I am working in trellis package. I want to make
backround white with
lattice.options(default.theme = "col.whitebg")
it is still gray.

what can I do to make bacground white ?

regards

-- 
Ahmet Temiz
Jeoloji Müh.
Afet İşleri Genel Müdürlüğü
Deprem Araştırma Dairesi
Tel: (312) 287 89 51 veya (312) 287 26 80/1547
Faks: (312) 287 89 51
E. Posta: temiz at deprem.gov.tr
 www.deprem.gov.tr

Ahmet Temiz
Geological Eng.
General Directorate of Disaster Affairs
Earthquake Research Department
Phone: +90 (312) 287 89 51 or (312) 287 26 80/1547
Fax: +90 (312) 287 89 51
E. Mail: temiz at deprem.gov.tr
www.deprem.gov.tr


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