Re: [ferret_users] SHOW AXIS Command : HDF Data file

[Ansley Manke <ansley.b.manke@xxxxxxxx>]

Hi -
The output of the SHOW DATA command shows that CLIM_SST is a variable, 
not an axis.  Since it looks as if this file can be read by Ferret, you 
should be able to look at its axes with

yes? SHOW GRID CLIM_SST   ! to get a list of the axes of this variable

yes? SHOW AXIS axisname ! using an axis name from the above listing

or use the RETURN keyword, inside grave accents, to get the name into 
the command

yes? SHOW AXIS `CLI_SST,return=xaxis`



C. Shaji wrote:

> Dear All,
> I would like to know the X, Y (LON, LAT) axes Information for an HDF data
> file.
>
> The SHOW AXIS command does not give the information what I want.
> yes? SHOW AXIS CLIM_SST[I=1:8192,J=1:4096]
> name       axis              # pts   start                end
>
> The SHOW DATA/FULL gives a general information, which is shown below.
>
> How can I know the coordinate information (lat,lon position) for each grid
> point represented by the data?
>
> Or Ferret will not give this information for an HDF data file?
>
> Can someone clarify me this?
>
> Thanks in advance,
>
> C. Shaji.
>
> yes? SHOW DATA/FULL
>     currently SET data sets:
>    1>
> http://data.nodc.noaa.gov/cgi-bin/nph-dods/pathfinder/Version5.0_Climatologies/Monthly/Combined/mon
> th01_combined.hdf  (default)
>
> name     title                             I         J         K         L
> CLIM_SST sst data                         1:8192    1:4096    ...       ...
>             Degrees C on grid GNO1 with -3 for missing data
>             X=180E(-180):180W(180)  Y=90S:90N
> CLIM_STANDARDDEVIATION
>          Standard Deviation of Mean       1:8192    1:4096    ...       ...
>             Degrees C on grid GNO1 with 0 for missing data
>             X=180E(-180):180W(180)  Y=90S:90N
> CLIM_COUNTS
>          Number of Observations in Mean   1:8192    1:4096    ...       ...
>             Counts on grid GNO1 with 0 for missing data
>             X=180E(-180):180W(180)  Y=90S:90N
> CLIM_SST_FILLED
>          Climatological Mean Sea Surface  1:8192    1:4096    ...       ...
>             Degrees C on grid GNO1 with -3 for missing data
>             X=180E(-180):180W(180)  Y=90S:90N
>
>
>
>
>
>