begin
;************************************
in = addfile("/lustre/home/niehw/msst.nc","r")
sst=in->sst ; get rid of cyclic points (req to plt)
;************************************
wks = gsn_open_wks("x11","ocean") ; open a x11 file
gsn_define_colormap(wks,"BlAqGrYeOrRe")
;res@gsnSpreadcolorStart =14
res = True
res@cnFillOn = True ; turn on color fill
res@mpFillOn = True ; turn off gray continents
res@mpFillColor = "gray"
res@mpOutlineOn = True ; turn off continental outline
res@gsnDraw = False ; do not draw picture
res@gsnFrame = False ; do not advance frame
res@cnMinLevelValF = 195.0 ; 最小值
res@cnMaxLevelValF = 328.0 ; 最大值
;res@cnLevelSpacingF = 2.25 ; 间隔
res@gsnSpreadColorStart = 14 ; 起始于color index 14
begin
;************************************
in = addfile("/lustre/home/niehw/mslp.nc","r")
msl=in->msl ; get rid of cyclic points (req to plt)
msl&longitude@units ="degrees_east"
msl&latitude@units ="degrees_north"
;************************************
wks = gsn_open_wks("x11","oceanpresure") ; open a x11 file
gsn_define_colormap(wks,"BlAqGrYeOrRe")
res = True
res@cnFillOn = False ; turn on color fill
res@mpOutlineOn = True ; turn off continental outline