Re: [ferret_users] Missing Data Flag

yes? use levitus_climatology

yes? sh d

currently SET data sets:

1> /Users/kwesi/anaconda3/envs/ferret_notebook/share/fer_dsets/data/levitus_climatology.cdf (default)

name title I J K L

TEMP TEMPERATURE 1:360 1:180 1:20 ...

SALT SALINITY 1:360 1:180 1:20 ...

Dear Kamoru Abiodun,

the following shows, how it could work. You would need to adjust the method to your file and variable names.

First we produce a test file from levitus_climatology (I do not have your file, levitus climatology is part of the ferret distribution)

yes? use levitus_climatology
yes? sh data
     currently SET data sets:
    1> /sw/viz/ferret/ferret_dsets_74/data/levitus_climatology.cdf (default)
name     title                             I         J         K         L
TEMP     TEMPERATURE                      1:360     1:180     1:20      ...
SALT     SALINITY                         1:360     1:180     1:20      ...

! You see, there is a k-index. There is not time, but we want to see the method only. Save one level into a new file.

yes? save/k=1/clobber/file=test.nc temp

yes? quit

Start a new session ...

>ferret

yes? use test.nc
yes? sh data
     currently SET data sets:
    1> ./test.nc (default)
name     title                             I         J         K         L
TEMP     TEMPERATURE                      1:360     1:180     1:1       ...

!This is like your file, a k-index, but only one level. Now define a new grid "xygrid", taking the axes from "temp", but skip the k-axis. May be, there is a more elegant way, but is shows the principle.

yes? define grid/x=temp/y=temp xygrid

! define a dummy-variable and reshape "temp" to the shape of the dummy variable, namely to a pur xy - grid.

yes? let xy_dummy= 0*(x[gx=xygrid]+y[gy=xygrid])
yes? let temp_xy = reshape(temp,xy_dummy)
yes? shade temp_xy
! You see in the plot (compare with "plot temp") - the k-axis is gone.

Saving now to a new file produces a data set without the k-axis.

Greetings,

Martin

Am 18.05.2020 um 18:15 schrieb 'Dr Kamoru Abiodun Lawal' via _OAR PMEL Ferret Users:

Dear Ferreters,

My data structure looks like:

yes? sh d
     currently SET data sets:
    1> ./precip_HadRM3P_wathome_actual_ens68_2004_2016.nc (default)
name     title                              I         J         K         L         M         N
ITEM5216_DAILY_MEAN
          TOTAL PRECIPITATION RATE KG/M2/ 1:14    1:14   1:1   1:5040    ...       ...

But I want it to look like:

yes? sh d
     currently SET data sets:
    1> ./precip_HadRM3P_wathome_actual_ens68_2004_2016.nc (default)
name     title                            I         J         K         L         M         N
ITEM5216_DAILY_MEAN
          TOTAL PRECIPITATION RATE KG/M2/ 1:14   1:14      ... 1:5040    ...       ...

This is because I need the "K" value to be missing in order to append the files on multiple levels.

I will appreciate any help or hint.

------
Kamoru Abiodun LAWAL, PhD

Post-Doctoral Research Fellow
African Climate and Development Initiative (ACDI),
Geological Sciences Building, 6th Floor,

University of Cape Town, Private Mail Bag X3,

Rondebosch, Cape Town, 7701, South Africa.

Website: www.acdi.uct.ac.za

Phones: +27 78 268 5434 (m); +27 21 650 2902 (o)

E-mails: kamoru.lawal@xxxxxxxxxxxxxxxx lawal@xxxxxxxxxxxxxx
.........there's no wrong time for doing the right things..........
<<<<----------------------------------------------------------------------------->>>>

G. M. (Numerical Weather Prediction)

Weather and Climate Research Center,
Nigerian Meteorological Agency,

Bill Clinton Drive, Abuja Airport,
Abuja, Nigeria.
Mobile Phone: +234 70 8780 3764 (SMS Only)
E-mails: lawal_ka@xxxxxxxxxxx  lawal.ka@xxxxxxxxx k.lawal@xxxxxxxxxxxx