[gradsusr] in netcdf file unable to display 4-D variables

SMITH, JONATHAN WYNN. (GSFC-6133) jonathan.smith at nasa.gov
Thu Jul 21 18:51:41 EDT 2011


Hello:

I have a netcdf file with many variables
    float Q(time, lev, lat, lon) ;
        Q:units = "KG/KG" ;
    float SA1_VMR_inst(time, lev, lat, lon) ;
        SA1_VMR_inst:units = "VMR" ;
    float SOA_VMR_inst(time, lev, lat, lon) ;
        SOA_VMR_inst:units = "VMR" ;
    float T(time, lev, lat, lon) ;
        T:units = "K" ;
    float TOLUENE_VMR_inst(time, lev, lat, lon) ;
        TOLUENE_VMR_inst:units = "VMR" ;
    float TROPLEV(time, lat, lon) ;
        TROPLEV:units = "KM" ;
float U(time, lev, lat, lon) ;
        U:units = "M/S" ;
    float V(time, lev, lat, lon) ;
        V:units = "M/S" ;
    char current_mss(nchar) ;
        current_mss:long_name = "MSS pathname of this file" ;
    int date(time) ;
        date:long_name = "current date as 6 digit integer (YYMMDD)" ;
    int datesec(time) ;
        datesec:long_name = "seconds to complete current date" ;
        datesec:units = "s" ;
    int days(time) ;
        days:long_name = "elapsed simulation days for this case" ;
    char first_mss(nchar) ;
        first_mss:long_name = "MSS pathname of first file for this case"

I use the following script:

* B Vs -VTL
'reinit'
'sdfopen /Volumes/JWS/MOZART_OUTPUT/LARGE_DOMAIN/mozart4-20110721100736853957.nc<http://mozart4-20110721100736853957.nc>'
'set mpdset hires'
'set display color white'
'run rgbset.gs<http://rgbset.gs>'

'c'
"set parea 1 10 1 7.5"
"set LON -30 59"
"set LAT -12 30"
"set LEV 1"
'set grads off'
'set gxout shaded'
"set rgb 24 255 120 120"
"set clevs 20 40 60 80 100 120 140 160 180 200 220 240"
"set ccols 9 14 4 11 5 13 3 10 7 12 8 2 24"
'd days'
'set string 1 l 3'
'draw string 7.5 8.0' _analysis
"run cbar.gs<http://cbar.gs>"
'draw title 22 May 2006 MOZART L3\OzoneMixing Ratio (ppbv)'
'printim /Users/jonathanwsmith/MOZART/mozart_22may.gif'

For what ever reason I am only able to plot the one and three dimensional variable like days (1-D) or PS (3-D.  I am am unable to plot Q or SOA_VMR_inst which are 4-D?

What could be going wrong?

Jonathan Wynn Smith
Student Trainee
jonathan.smith at nasa.gov
NASA-Goddard Space Flight Center
Code 613.3-Atmospheric Chemistry and Dynamics Branch
Greenbelt, MD 20771
301-614-5956

Doctoral Candidate
jonathan.smith at bison.howard.edu
Howard University Program in Atmospheric Sciences
2355 6th St NW/408 Thirkield Bldg.
Washington, DC 20059

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