[gradsusr] monthly to yearly script

Sat Nov 7 13:15:18 EST 2015

Hi,I have a monthly data set in one binary file and I want to get annual map but only one map is plotted with this script. can any body help me to correct this script. I want to read those data in ascii too.

indata = "TMAX20KM.CTL"datname = "MAXT"'open 'indata'''set lat 26 31''set lon 80 89''set lev 1''set gxout shaded'y= 1while (y <=29)    yr = 70+y    b=y*12    a=12*y-11    'define yavg=ave(tt, t='a', t='b', 1)'    'set mpdset hires'    'set display color white'    'clear'    'd yavg'    'draw title Annual 'datname': 19'yr    'printim 'yr'.png'    'close 1'y=y+1endwhile'quit'

Regards
Ramchandra Karki

> From: gradsusr-request at gradsusr.org
> Subject: gradsusr Digest, Vol 69, Issue 13
> To: gradsusr at gradsusr.org
> Date: Sat, 7 Nov 2015 12:00:01 -0500
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> Today's Topics:
> 
>    1. Re: netcdf file opening problem (Boddapati Anil)
>    2. Re: maskout problems with positive and negative numbers.
>       (leila amini)
>    3. g2ctl/gribmap and 6hr/12hr GFS (Christopher Gilroy)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 7 Nov 2015 16:45:54 +0530
> From: Boddapati Anil <boddapati.anil2 at gmail.com>
> Subject: Re: [gradsusr] netcdf file opening problem
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Message-ID:
> 	<CAJdYfFHSGiGSFYLmZtAERp++hM4gTgy0r1d5rLqha2C=_qL=pw at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
> 
> Thank you very much for your support in my job
> 
> On Fri, Nov 6, 2015 at 10:12 PM, Jeff Duda <jeffduda319 at gmail.com> wrote:
> 
> > Grads variable names have requirements. I believe those are a limit of 16
> > characters, and there can be only alphanumeric characters in the name. In a
> > control file, you can rename a netcdf array to meet the grads variable name
> > requirements using the => syntax. For example:
> >
> > Atmospheric_Water_Vapor_Mean=>meanwvap
> >
> > See http://www.iges.org/grads/gadoc/descriptorfile.html#VARS for complete
> > details.
> >
> > Jeff Duda
> >
> > On Fri, Nov 6, 2015 at 5:29 AM, Boddapati Anil <boddapati.anil2 at gmail.com>
> > wrote:
> >
> >> Dear Users,
> >>
> >> I'm using one MODIS file it was converted from hdf to netcdf
> >>
> >> for that i wrote one discription file ,using that it was opening but
> >> cann't display the data
> >>
> >>
> >>
> >> *Discription File:*dset ^MOD08_D3.A2011003.051.nc
> >> dtype netcdf
> >> undef -999
> >> TITLE MODIS/Terra Aerosol Cloud Water Vapor Ozone Daily L3 Global 1Deg CMG
> >> xdef 360 linear -179.5 1
> >> ydef 180 linear -89.5 1
> >> tdef 1 linear 03Jan2011 1dy
> >> zdef 1 linear 1 1
> >> vars 1
> >> Atmospheric_Water_Vapor_Mean 0 99999 y,x Precipitable Water Vapor (IR
> >> Retrieval) Total Column: Mean
> >> endvars
> >>
> >> *ERROR*
> >> ga-> d atmospheric_wat
> >> Error: Variable atmospheric_wat not in netcdf file
> >> Data Request Error:  Error for variable 'atmospheric_wat'
> >>   Error ocurred at column 1
> >> DISPLAY error:  Invalid expression
> >>   Expression = atmospheric_wat
> >>
> >> --
> >>
> >>
> >> *Boddapati Anil(PF-822)CSIR Fourth Paradigm Institute*
> >>
> >> *Wind Tunnel Road,Belur campous*
> >>
> >> *Bengalore-37*
> >>
> >>
> >> *contact:+91-8867766688            +91-7022665333*
> >>
> >>
> >> _______________________________________________
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> >> gradsusr at gradsusr.org
> >> http://gradsusr.org/mailman/listinfo/gradsusr
> >>
> >>
> >
> >
> > --
> > Jeff Duda
> > Graduate research assistant
> > University of Oklahoma School of Meteorology
> > Center for Analysis and Prediction of Storms
> >
> > _______________________________________________
> > gradsusr mailing list
> > gradsusr at gradsusr.org
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> >
> >
> 
> 
> -- 
> 
> 
> *Boddapati Anil(PF-822)CSIR Fourth Paradigm Institute*
> 
> *Wind Tunnel Road,Belur campous*
> 
> *Bengalore-37*
> 
> 
> *contact:+91-8867766688            +91-7022665333*
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> ------------------------------
> 
> Message: 2
> Date: Sat, 7 Nov 2015 14:49:20 +0330
> From: leila amin
> i <labi475 at gmail.com>
> Subject: Re: [gradsusr] maskout problems with positive and negative
> 	numbers.
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Message-ID:
> 	<CAChC=xRM57ij5bvio1xHjUeP-aaBe+TXCoRXEjnVEW6-XJBmtA at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> 
> hi
> please help me ,how can i draw sum of rain in 24 hours on map
> what is my script?
> please send for me command
> thanks
> leila
> 
> On 10/29/15, Jeff Duda <jeffduda319 at gmail.com> wrote:
> > It would probably help if you left the skip function for the very end. I
> > don't see a need for using the skip command to merely define a new
> > variable. skip() is a display type command.
> >
> > define negto10 = const(maskout(zcomp,zcomp-1),10,-u)
> >
> > define mor4140 = const(maskout(negto10,41-negto10),40,-u)
> >
> > d skip(mor4140,8,8)
> >
> > Jeff Duda
> >
> > On Thu, Oct 29, 2015 at 6:43 AM, Mikovitz, Colleen (LARC-E302)[SCIENCE
> > SYSTEMS AND APPLICATIONS, INC] <j.c.mikovitz at nasa.gov> wrote:
> >
> >> You can make a negative version of your variable and do a similar
> >> process.  With a field I have on, limiting values between 200 and 300:
> >>
> >> 'negto200=const(maskout(toaup,toaup-200),200,-u)'
> >> 'revnegto200=-negto200'
> >> 'keep=revnegto200+300'
> >> 'backtogood=-1*(maskout(keep,keep)-300)'
> >> 'final=const(back
> togood,300,-u)'
> >> 'd final?
> >>
> >>
> >> On Oct 28, 2015, at 10:27 PM, Christopher Gilroy <chris.gilroy at gmail.com>
> >> wrote:
> >>
> >> > Alright, so I'm unsure if maskout is really the option I need for both
> >> of these, but is there anyway to take any value less than 1 (even
> >> negatives) and replace them with 10? I seem to be able to do that with:
> >> >
> >> > 'define negto10= skip(const(maskout(zcomp,zcomp-0), 10, -u), 8, 8)'
> >> >
> >> > That gives me all positive numbers, great so far. Now, I'd like to also
> >> change the results of negto10 and turn all numbers larger than 41 to 40.
> >> I
> >> can't seem to figure that part out. I've tried all sorts of variants of:
> >> >
> >> > 'define mor4140 = skip(const(maskout(negto10,negto10+41), 40, -u), 8,
> >> > 8)'
> >> >
> >> > all with no luck. Any thoughts?
> >> > _______________________________________________
> >> > gradsusr mailing list
> >> > gradsusr at gradsusr.org
> >> > http://gradsusr.org/mailman/listinfo/gradsusr
> >>
> >>
> >> _______________________________________________
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> >
> >
> >
> > --
> > Jeff Duda
> > Graduate research assistant
> > University of Oklahoma School of Meteorology
> > Center for Analysis and Prediction of Storms
> >
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Sat, 7 Nov 2015 09:52:47 -0500
> From: Christ
> opher Gilroy <chris.gilroy at gmail.com>
> Subject: [gradsusr] g2ctl/gribmap and 6hr/12hr GFS
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Message-ID:
> 	<CAFCiPemZ48O9Y5zqGNB5y8GRrpuRCnLyftECffCQT9BHAWdVfQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
> 
> I've always been curious for those who run their plots using scripting
> approaches and download in 3 or 6-hour increments, how do you handle past
> hour 240?
> 
> For example, downloading 6hr files, starting at hr 0, t41=240 and then
> t43=252 and I'm curious if there's a way to make t42=252, t43=264, etc. I'm
> just looking for a way to make every t = a working timestep.
> 
> So as an example, if you made a looping grads script for all 384 hours,
> using 6h files the only way I knew of to "get around" the 2 t-step
> increments after 240 was doing something like:
> 
> i=1
> while (i <= 65)
> 
> if (i <= 41)
> trecord=i
> endif
> if (i=42)
> trecord = 43
> endif
> if (i=43)
> trecord = 45
> endif
> 
> 'd tmp2m'
> 
> The only reason I cared to do that even was because otherwise every other
> image past hr240 would be blank since there is no t=42, t=44, etc.
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