[gradsusr] trmm

[SREEKANTH T.S]

thank you Rupak Rajbhandari, thank you very much,
how can i save the plotted graphs?

On Sat, Feb 12, 2011 at 1:39 PM, Rupak Rajbhandari <
rupak.rajbhandari at gmail.com> wrote:

> Sreekanth,
>
> You do not need to download the netcde format. The 3B42 (3hrly) data is
> already in gridded binary format and you can display it directly in grads. I
> am sending you the "ctl" file so that you can use it. All you need to do is
> edit the path ("dset") and starting date plus the tottal number of files in
> the directory ("tdef").
>
> --
> Rupak Rajbhandari
> Department of Meteorology
> Tri-Chandra Campus
> Kathmandu
>
>
> On Sat, Feb 12, 2011 at 1:33 PM, SREEKANTH T.S <chlsreeekanth at gmail.com>wrote:
>
>> printim is not working it is showing 'not supported in this build", how
>> can i save the plotted graphs
>>
>>  On Sat, Feb 5, 2011 at 11:15 PM, Muhammad Rahiz <
>> muhammad.rahiz at ouce.ox.ac.uk> wrote:
>>
>>> 1. Need to provide the format of your TRMM data e.g. netcdf, grib, ctl.
>>> 2. Are you using a 360 day calendar?
>>>
>>> Other comments in the body of original message (not tested).
>>>
>>> --
>>> Muhammad Rahiz
>>> Researcher & DPhil Candidate (Climate Systems & Policy)
>>> School of Geography & the Environment
>>> University of Oxford
>>>
>>> On Sat, 5 Feb 2011, SREEKANTH T.S wrote:
>>>
>>> > dear grads users
>>> > i have downloaded 3 hourly trmm data.
>>> > 1.i want to plot hourly variation of rain rate at a particular lat lon
>>> for
>>> > each day.
>>>
>>> Your data is 3 hourly - this means that you can only have 8 time steps in
>>> a day and not 24 timesteps. You can try the following which gives you the
>>> plot (time series) of one day.
>>>
>>> 'set t 1 8' * 8 timesteps = 1 day given your 3hourly data
>>> 'set lon 60'
>>> 'set lat 40'
>>> 'd var'
>>>
>>> > 2. also wanted to plot the daily variation of rain rate for an area.
>>> > but i dont know how to write the .ctl file
>>> > being a beginer can anyone help me, please?
>>>
>>> Not sure what you mean by writing a ctl file. You dont need to write a
>>> ctl
>>> file to plot in GrADS.
>>>
>>> 'set lon 60 100'
>>> 'set lat 20 40'
>>>
>>> 'd ave(variable,t=1,t=8)'  * this is for day 1
>>> 'printim day1.png white'
>>>
>>> 'd ave(variable,t=9,t=16)' * this is for day 2
>>> 'printim day2.png white'
>>>
>>>
>>> > sreekanth T S
>>> > doctorate student
>>> > cess, kerala
>>> >
>>> >
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>>
>>
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