set time format

[Jennifer Adams]

On Oct 7, 2005, at 7:27 AM, Ben Burford wrote:

> Hello Madhu,
>
> Help from India.  Most excellent!  (I'm in Tokyo.)
>
> I'm really glad to see that there is a simple format like this.  I'm
> also so
> mewhat baffled that there was nothing about this in the GrADS
> Documentation
> Index web pages under set t and set time commands.  I did check before
> I sen
> t my email to the users list.  Oh well.
Ben,
There is documentation on this:
http://iges.org/grads/gadoc/gradcomdsetxyzt.html
http://iges.org/grads/gadoc/gradcomdsetlatlonlevtime.html
http://iges.org/grads/gadoc/gradcomdquery.html
Try 'query dims' and 'query time'
Jennifer

>
> Thanks very much!
>
> Ben
>
>
> At 16:32 2005/10/07 +0530, you wrote:
>> Hi,
>>
>> you can set
>>
>> time:
>> 'set time 21sep2001 16dec2001'
>> yaxis:
>> 'set vrange 0 800'
>>
>> cheers,
>> Madhu
>>
>> On Fri, 7 Oct 2005, Ben Burford wrote:
>>
>>> Hi,
>>>
>>> I hope there's an easy way to select a time range with the "set t"
>>> or "s
> et t
>>> ime" (or some other) Grads command.
>>>
>>> I'm working with global 1 degree by 1 degree, 8 year GPCP dataset of
>>> dai
> ly p
>>> recipitation data.  I'm a Grads beginner, but if I  "set lat" and
>>> "set l
> on"
>>> to choose a single grid cell, then I can (for example) "set t 1 100"
>>> and
>  the
>>> n "d data" and I will get a plot of the precipitation for the first
>>> 100
> days
>>> of data.
>>>
>>> The data runs from Jan. 1, 1997 to Dec. 31, 2004.  If I want to plot
>>> a t
> ime
>>> series of precipitation from say August 5 to September 8, 2001 its
>>> prett
> y na
>>> sty to figure out the t values corresponding to those dates.  Is
>>> there a
>  con
>>> venient format (using actual dates) for setting the time range for
>>> the d
> ata
>>> (for example, "set t August 5, 2001 September 8, 2001")?
>>>
>>> If not, is there a technique or tool in which I can enter the date
>>> and i
> t wi
>>> ll give me the corresponding t value?  For example, I tell the tool
>>> that
>  the
>>> start time is January 1, 1997, and then I tell it the date August 5,
>>> 200
> 1 a
>>> nd it will give me the corresponding t value?  Maybe someone has a
>>> scrip
> t fo
>>> r this???
>>>
>>>
>>> One further detail.  I want to produce a lot of time series plots of
>>> pre
> cipi
>>> tation and I want them all to have the same y axis magnitude
>>> (mm/day).
> Is t
>>> here a way I can set the y-axis magnitude to be 0 to 800 mm/day,
>>> regardl
> ess
>>> of the actual data values?
>>>
>>>
>>> Much thanks for any help on this.
>>>
>>> Ben
>>>
>>
>> --
>>
>> Madhusoodanan M.S.
>> Centre for Atmospheric and Oceanic Sciences
>> Indian Institute of Science
>> Bangalore, India - 560 012
>> Tel.    +91-80-23600450, +91-80-22932505 (Off) Extn.220
>> Mobile. +91-92421-67339
>> Fax.    +91-80-23600865
>>
>
>
--
Jennifer Miletta Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
4041 Powder Mill Road, Suite 302
Calverton, MD 20705 USA
jma at cola.iges.org