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发表于 2016-4-13 10:56:34
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显示全部楼层
涡度
'reinit'
'sdfopen f:\data\ws\uwnd.1999.nc'
'sdfopen f:\data\ws\vwnd.1999.nc'
'set grads off'
'set grid off'
'set lon 20 180'
'set lat 0 80'
'set z 3'
'set t 30'
'define vort=hcurl(uwnd.1,vwnd.2)'
'd vort'
'draw title Jan30 700hPa-W'
'printim f:\data\ws\wodu.png'
散度
'reinit'
'sdfopen f:\data\ws\uwnd.1999.nc'
'sdfopen f:\data\ws\vwnd.1999.nc'
'set grads off'
'set grid off'
'set lon 20 180'
'set lat 0 80'
'set z 3'
'set t 30'
'define div=hdivg(uwnd.1,vwnd.2)'
'd div'
'draw title Jan30 700hPa-D'
'printim f:\data\ws\sandu.png'
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