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发表于 2013-10-23 00:30:49
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'reinit'
'open e:\ncep\fnl.ctl'
'set t 5 13'
'set lon 115 117'
'set lat 20 40'
'define prs=lev'
'set ccolor 1'
'define l1=TMPprs'
if(l1>263.0);
'define a1=0.622*6.11*EXP(17.26*(TMPprs-273.16)/(TMPprs-35.86))'
'define b1=prs-0.278*EXP(17.26*(TMPprs-273.16)/(TMPprs-35.86))'
'define qs1=a1/b1'
endif
if(l1<=263.0);
'define a1=0.622*6.11*EXP(21.87*(TMPprs-273.16)/(TMPprs-7.66))'
'define b1=prs-0.278*EXP(21.87*(TMPprs-273.16)/(TMPprs-7.66))'
'define qs1=a1/b1'
endif
'define q1=qs1*RHprs'
'define e1=lev*q1/100./(0.62197+q1/100.0)'
'define tk1=55.0+2840.0/(3.5*log(TMPprs)-log(e1)-4.805)'
'define pot1=TMPprs*pow((1000/lev),(0.2854*(1.0-0.28*q1/100.0)))'
'define ept1=pot1*exp(((3376./tk1)-2.54)*q1/100.0*(1.0+0.81*q1/100.0))'
'set grads off'
'set grid off'
'set csmooth on'
'set parea 1 10.2 1.5 8'
'set xlopts 1 6 0.14'
'set ylopts 1 6 0.14'
'set font 0'
'set grads off'
'set lon 116'
'set lat 35'
'set zlog on'
'set ylevs 1000 925 850 700 600 500 400 300 250 200 150 100'
'set xlabs 0720|0802|0808|0814|0820|0902|0908|0914|0920'
'set gxout contour'
'set cint 3'
'set cthick 6'
'set clskip 1'
'd ept1'
'printim e:\ncep\fnl\'0902'.gif gif white'
请大家帮我看看假相当位温的时间高度剖面,为什么画不出来? |
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