[ncl-talk] problem with dimensions of a variable

Geeta Geeta geetag54 at yahoo.com
Fri Apr 2 10:02:22 MDT 2021


Thank you sir for your mail. 

I have done the same. 

But the Latitude and Longitude in file have DIM of 3019,208
Latitude ( nscan, npixel )
         units :    degrees
         hdf_name :    Latitude

      float Longitude ( nscan, npixel )
         units :    degrees
         hdf_name :    Longitude
whereas the variable Tbb has dim of 3019,104
So i am unable to attach the lat and Lon var to Tbb
thanks



Geeta. 

    On Friday, 2 April, 2021, 9:28:15 pm IST, Dennis Shea <shea at ucar.edu> wrote:  
 
 Latitude    = f->LatitudeLongitude = f->Longitude;---------------------------
Tbb at lat2d = LatitudeTbb at lon2d = Longitude


On Fri, Apr 2, 2021 at 9:27 AM Geeta Geeta via ncl-talk <ncl-talk at mailman.ucar.edu> wrote:

Hi 
I am trying to read a file which is Orbital data (TRMM 1B11) which has following dimensions. 
ScanType=CONICAL;
   dimensions:
      nscan = 3019
      npixel = 208
      fakeDim2 = 3
      fakeDim3 = 3
      nchan = 9
      fakeDim5 = 3
      fakeDim6 = 2
      fakeDim7 = 16
      npixlo = 104
      nchanlo = 7
      nchanhi = 2
The latitude and Longitude Variables have dimensions of 3019 and 208 each

float Latitude ( nscan, npixel )         units :    degrees
         hdf_name :    Latitude

      float Longitude ( nscan, npixel )
         units :    degrees
         hdf_name :    Longitude

Now I wish to Plot following variable short lowResCh ( nscan, npixlo, nchanlo )
         scale_factor :     100
         scale_factor_err :       0
         add_offset :     100
         add_offset_err :       0
         calibrated_nt :    22
         units :    K
         hdf_name :    lowResCh
Tb            =   short2flt(f->lowResCh)
Tbb           =   (Tb+100)/100
                               copy_VarCoords(Tb,Tbb)



My problem is How do I attach the Latitude and Longitude arrays to the variable Tbb (has dimensions of 3019,  104,7)


I am attaching the code with this mail. 

Thanks 





Geeta._______________________________________________
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