subregion plot

Hi,

I want to make a plot for subregion (lat: 30N-40N, and lon: 80E-100E)
with global T42 netcdf file.
Now the plot contains contour will color fill . I just want to color,
not with contour line, what should I do? Since the plot shows up
difference, I want the white to appear the center of the bar. What color
bar should I use?

Thanks very much!

Chao

Following is part of script I used.

res_at_gsnDraw = False
res_at_gsnFrame = False
res_at_cnInfoLabelOn = False
res_at_lbLabelBarOn = False
;res_at_cnFillOn = True
res_at_mpLimitMode = "LatLon"
res_at_mpMinLonF = 80
res_at_mpMaxLonF = 100
res_at_mpMinLatF = 30
res_at_mpMaxLatF = 40
res_at_mpPerimOn = True
res_at_mpCenterLonF =90
res_at_mpCenterLatF = 35
res_at_lbAutoManage = False
res_at_lbLabelAngleF = 90.0

res_at_gsnSpreadColors = True
res_at_gsnSpreadColorStart = 2
res_at_gsnSpreadColorEnd = -3
res_at_lbLabelFontHeightF = 0.015
res_at_tiMainFontHeightF = .018

res_at_cnMinLevelValF = -0.2
res_at_cnMaxLevelValF = 0.2
res_at_cnLevelSpacingF = 0.02

plot(0) = gsn_csm_contour_map(wks_id,diff,res)

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Received on Mon Nov 28 2005 - 19:06:17 MST