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[ferret_users] RE: [ferret users] Transform grid



Hi Ansley,

 

I am using ferret/5.81.  I have another problem to using “Fill/L=7 SST” to make ferret plots because there are missing SSTs at some grids in the HADISST_1_1_SST_2004.nc.  Can you please let me know how to plot SST image when there are missing values on some grid.

 

The output of ncdump of  HADISST_1_1_SST_2004.nc are as follows.

 

 

sst> ncdump -h HADISST_1_1_SST_2004.nc

netcdf HADISST_1_1_SST_2004 {

dimensions:

        nr = UNLIMITED ; // (12 currently)

        in = 360 ;

        no = 180 ;

variables:

        double t(nr) ;

                tunics = "years" ;

                t:long_name = "Fake time" ;

                t:coordinate_type = "time" ;

        float lon(in) ;

                lon:units = "degrees_east" ;

                lon:long_name = "Longitude" ;

                lon:coordinate_type = "longitude" ;

        float lat(no) ;

                lat:units = "degrees_north" ;

                lat:long_name = "Latitude" ;

                lat:coordinate_type = "latitude" ;

        float sst(nr, no, in) ;

                sst:long_name = "SST" ;

                sst:units = "deg" ;

                sst:missing_value = -999.f ;

                sst:coordinates = "t, lat, lon" ;

 

// global attributes:

                :Conventions = "CMR/Timeseries" ;

}

 

Yun Li

 


From: Ansley Manke [mailto:Ansley.B.Manke@xxxxxxxx]
Sent: Tuesday, 27 February 2007 2:43 AM
To: Li, Yun (CMIS, Floreat)
Cc: oar.pmel.ferret_users@xxxxxxxx
Subject: Re: [ferret_users] Transform grid

 

Hi Yun Li,
If the name of the "Fake Time" axis is T, then Ferret should detect that axis as an axis in the T direction.  Could you tell me what version of Ferret are you using, and could you send me the output of the Unix ncdump command
 
   ncdump -h HADISST_1_1_SST_2004.nc

Ansley

Yun.Li@xxxxxxxx wrote:

Dear All,
 
I have a copy of monthly HADISST_1_1_SST_2004.nc as follows. 
 
yes? use HADISST_1_1_SST_2004.nc
yes? show data
     currently SET data sets:
    1> ./HADISST_1_1_SST_2004.nc  (default)
 name     title                             I         J         K
L
 T        Fake time                        1:12      ...       ...
...
 LON      Longitude                        1:360     ...       ...
...
 LAT      Latitude                         1:180     ...       ...
...
 SST      SST                              1:360     1:180     1:12
...
 
 
Ferret cannot draw the plots properly due to the incorrect grid settings
(K =1:12). Could you please help me to transform the grid as the correct
format (L=1:12)? That is,
 
  
show data
    
     currently SET data sets:
    1> ./HADISST_1_1_SST_2004.nc  (default)
 name     title                             I         J         K
L
 SST      SST                              1:360     1:180     ...
1:12
 
 
Regards,
 
Yun Li
CSIRO, Australia
 
  



-- 
 
~>   ~>   ~>   ~>   ~>   ~>   ~>   ~>   ~>   ~>   ~> 
 
Ansley Manke, NOAA/PMEL   ansley.b.manke@xxxxxxxx
7600 Sand Point Way NE, Seattle WA
Phone 206-526-6246,  FAX 206-526-6744
 

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