<div dir="ltr"><div><div>Dear sir,<br>I want to plot the diurnal variation of the difference between 2 different data files averaged over a rectangular area. I am using following script. It is showing error like <br><b>Operation error: Invalid dimension environment<br>
Too many varying dimensions</b><br><br>==================<br>'reinit'<br>'clear'<br>'open rh_ncep1.ctl'<br>'open rh_ncep3.ctl'<br>'open rh_ncep3.ctl'<br><br>'set parea 2 10 1.8 7.5'<br>
'set lat 22'<br>'set lon 85'<br>'set xlopts 1 6 0.19'<br>'set ylopts 1 6 0.19'<br>'set map 1 1 6'<br>'set t 13 36'<br>'set z 2 14'<br>'set display color white'<br>
'set mpdset hires'<br>'set grads off'<br>'set grid off'<br>'set gxout shaded'<br>'set clevs -8 -6 -4 -2 0 2 4 6 8'<br>'d aave((rh.1-rh.3),lon=70,lon=100,lat=17,lat=25)'<br>'draw ylab height(km)'<br>
'draw title diff RH(%) with height levels'<br>'print file.eps'<br>'!convert file.eps ./ncep1_cep3.jpg'<br>'quit'<br>==================<br></div>Please help<br><br></div>-Sahidul<br></div>