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各位大侠,本人在使用fwrite命令截取数据的时候出现变量错位(比如层次错位)的情况,请高手们给予指点,不胜感激:)
gs文件:
'reinit'
'open F:\ncep\201001\201001.ctl'
'set mpdset cnworld cnriver'
'set lon 80 130'
'set lat 10 50'
'set fwrite F:\dat\201001.dat'
'set gxout fwrite'
lev.1=850;lev.2=700;lev.3=500;lev.4=200
t=1
while(t<=124)
'set t 't
l=1
while(l<=4)
lev=lev.l
'set lev 'lev
'd hgtprs'
'd RHprs'
'd TMPprs'
'd UGRDprs'
'd VGRDprs'
'd VVELprs'
l=l+1
endwhile
'd HGTsfc'
'd PRESsfc'
'd RH2m'
'd SPFH2m'
'd TMPsfc'
'd TMP2m'
t=t+1
endwhile
'disable fwrite'
'c'
ctl文件:
dset F:/dat/201001.dat
undef 9.999E+20
title 201001grib data
xdef 51 linear 80.000000 1.000000
ydef 41 linear 10.000000 1.000000
tdef 124 linear 00Z01jan2010 6hr
zdef 4 levels 850 700 500 200
vars 12
HGTsfc 0 99 surface Geopotential height [gpm]
HGTprs 4 99 Geopotential height [gpm]
PRESsfc 0 99 surface Pressure [Pa]
RHprs 4 99 Relative humidity [%]
RH2m 0 99 2 m Relative humidity [%]
SPFH2m 0 99 2 m Specific humidity [kg/kg]
TMPsfc 0 99 surface Temp. [K]
TMPprs 4 99 Temp. [K]
TMP2m 0 99 2 m Temp. [K]
UGRDprs 4 99 u wind [m/s]
VGRDprs 4 99 v wind [m/s]
VVELprs 4 99 Pressure vertical velocity [Pa/s]
ENDVARS |
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