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- 1970-1-1

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发表于 2012-10-20 10:18:56
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显示全部楼层
为什么我用你的程序画不出图来呢
'reinit'
'open E:\grads\doc\fnl_20110707_00_00.ctl'
'enable print E:\20110708\weiwo.jpg'
'set z 2 20'
'set zlog on'
'set lon 100 130'
'set lat 20 40'
'set t 35'
'define tc=tmpprs-273.15'
'define rh=rhprs'
'define prs=lev'
'define es=(6.112*exp((17.67*tc)/(tc+243.5)))'
'define qs=0.62197*es/(prs-0.378*es)'
'define q=rh*qs/100'
'define e=prs*q/(0.62197+q)+1e-10'
'define tlcl=55.0+2840.0/(3.5*log(tc+273.16)-log(e)-4.805)'
'define theta=(tc+273.16)*pow((1000/prs),(0.2854*(1.0-0.28*q)))'
'define eqt=theta*exp(((3376./tlcl)-2.54)*q*(1.0+0.81*q))'
'define u=UGRDprs'
'define v=VGRDprs'
'define vo=hcurl(u,v)'
'define f=2*7.292*sin(lat*3.14159/180.0)*0.00001'
'define g=9.8'
'define dp=100*(lev(z-1)-lev(z+1))'
'define deqt=eqt(z-1)-eqt(z+1)'
'define du=u(z-1)-u(z+1)'
'define dv=u(z-1)-u(z+1)'
'define dx=2.0*6370949.0*cos(lat*3.14159/180.0)*3.14159/180.0'
'define dy=2.0*6370949.0*3.14159/180.0'
'define dtx=cdiff(eqt,x)'
'define dty=cdiff(eqt,y)'
'define pv1=-g*(vo+f)*deqt/dp'
'define pv2=g*((dv/dp)*(dtx/dx)-(du/dp)*(dty/dy))'
'define pv=pv1+pv2'
'set lon 113'
'set lat 22 35'
'set grid off'
'set grads off'
'set gxout contour'
'set csmooth on'
'set cthick 7'
*'set clopts -1 -1 0.10'
'd pv1*10e5'
*'d pv2*10e6'
*'d pv*10e5'
'print'
'printim E:\20110708\weiwo.jpg white'
'disable print' |
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