[gradsusr] Accumulated Rain (6 hourly data)

[Lyndon Mark Olaguera]

Hi all,
How do i plot the typhoon tracks in grads?
I was able to extract the location of the center of the typhoon.
What should i do next?

thanks
emil


On Tue, May 7, 2013 at 11:19 PM, Ricardo Hallak <hallak at model.iag.usp.br>wrote:

>  Hi,
> just try:
> 'd rainc+rainnc-(rainc(t='Time_val'-1)-rainnc(t='Time_val'-1))'
> once Time_val is a variable, and the number 1 is not.
> So, Time_val have to be put between quotes, and the number 1, not.
> Hope this helps,
> Ricardo
>
> *On Tue, 7 May 2013 17:20:42 +0800, Lyndon Mark Olaguera wrote*
> > Hello fellow GRAD user,
> >
> > I have a problem in plotting the accumulated rain in grads.,
> > my data comes in 6 hourly...
> > my sample script is shown below.
> > the dates are:
> > 08/06/2012/00
> > 08/06/2012/06
> >
> > 08/06/2012/12
> > 08/06/2012/08
> > 08/07/2012/00
> > 08/07/2012/06
> > 08/07/2012/12
> > 08/07/2012/18
> > 08/08/2012/00
> > 08/08/2012/06
> > 08/08/2012/12
> > 08/08/2012/18
> > 08/09/2012/00
> > 08/09/2012/06
> > 08/09/2012/12
> > 08/09/2012/18
> > 08/10/2012/00
> >
> > I want to plot the accumulated rain for each hour but my script does not
> ouput it correctly.Could anyone help me correct my script?
> >
> > i'll appreciate any help.
> >
> > thanks
> >
> > 'open surfnudge/surf.ctl'
> > 'set display color white'
> > 'clear'
> > 'set gxout shaded'
> > 'set mpdset hires'
> > 'set lat  4   24'
> > 'set lon  115 134'
> >
> > prompt 'Max Time: '
> > pull Max_time
> > prompt 'Title Header: '
> > pull Title_header
> >
> > Time_val=2
> > *Time_val=8
> > while(Time_val<=Max_time)
> > 'set t 'Time_val
> > DateStr = subwrd(result,4)
> > 'c'
> > *Every 3 hours for model output
> > 'd rainc+rainnc-(rainc(t='Time_val-1')-rainnc(t='Time_val-1'))'
> > 'draw title 'Title_header'\'DateStr
> > 'cbarn'
> > 'printim 'Title_header'_'DateStr'.png'
> > 'c'
> > Time_val=Time_val+1
> > endwhile
> > 'quit'
>
>
> Ricardo Hallak
>
> Departamento de Ciências Atmosféricas (ACA)
> Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG)
> Universidade de São Paulo (USP)
> Rua do Matão, 1226 - Cidade Universitária - São Paulo SP 05508-900
> Phone.: +55 (11) 3091-2850; 3091-4703
> Fax: +55 (11) 3091-4714
>
>
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