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Dear Tahereh,
<br />
<br />could you please reproduce here your piece of script where you are trying to draw the line in a plot?
<br />
<br />Drawing a line in the plot is a relatively simple task in GrADS.
<br />Maybe your script has some little mistake and we could help you with that if we could see your sequence of commands in the script.
<br />
<br />Regards,
<br />Ricardo
<br />
<br /><font size="2"><b>On Sun, 12 Aug 2012 18:44:25 +0000, T. haghroosta wrote</b>
<br />>
Dear Hersala and all other helpers,
<br />>
<br />>
I did it. Although I couldn't draw line between two points fortunately I
drew points.
<br />>
<br />>
Thank you for your help.
<br />>
<br />>
Regards,
<br />>
<br />>
Tahereh
<br />>
<br />>
<br />>
<br />>
<br />> > From:
gradsusr-request@gradsusr.org
<br />> > Subject: gradsusr Digest, Vol 30,
Issue 26
<br />> > To: gradsusr@gradsusr.org
<br />> > Date: Sat, 11 Aug
2012 09:28:30 -0400
<br />> >
<br />> > Send gradsusr mailing list
submissions to
<br />> > gradsusr@gradsusr.org
<br />> >
<br />> > To
subscribe or unsubscribe via the World Wide Web, visit
<br />> >
http://gradsusr.org/mailman/listinfo/gradsusr
<br />> > or, via email, send a
message with subject or body 'help' to
<br />> >
gradsusr-request@gradsusr.org
<br />> >
<br />> > You can reach the
person managing the list at
<br />> > gradsusr-owner@gradsusr.org
<br />>
>
<br />> > When replying, please edit your Subject line so it is more
specific
<br />> > than "Re: Contents of gradsusr digest..."
<br />> >
<br />> >
<br />> > Today's Topics:
<br />> >
<br />> > 1. Re:
Saving GrADS variable data to a text file (hersala)
<br />> > 2. Re: Drawing
something (line, point,...) over the map (hersala)
<br />> >
<br />> >
<br />> >
------!
----------------------------------------------------------------
<br />> >
<br />> > Message: 1
<br />> > Date: Sat, 11 Aug 2012 10:21:07
-0300
<br />> > From: hersala <hersala@gmail.com>
<br />> > Subject:
Re: [gradsusr] Saving GrADS variable data to a text file
<br />> > To: GrADS
Users Forum <gradsusr@gradsusr.org>
<br />> > Message-ID:
<br />> >
<CA+0GtdsGboQZFCOeUQ5Kq4Loe1OFocFpwqTogvLS_CSEc5di=w@mail.gmail.com>
<br />>
> Content-Type: text/plain; charset="iso-8859-1"
<br />> >
<br />> >
Dear Kishore,
<br />> >
<br />> > To save (or export) data in a different
format you can use the following
<br />> > script or "recipe":
<br />> >
<br />> >
http://cookbooks.opengrads.org/index.php?title=Recipe-002:_Saving_GrADS_variable_data_to_a_text_file
<br />>
>
<br />> > I hope this will help you.
<br />> >
<br />> >
Cheers,
<br />> >
<br />> > Hern?n
<br />> >
<br />> >
<br />>
> El 11/08/2012 07:10, "Kishore Babu" <kishoreragi@gmail.com>
escribi?:
<br />> >
<br />> > > Sushant,
<br />> > >
<br />>
!
> > I want to have is grads data file in other application, not
just to open
<br />> > > it in grads. My netcdf file contains many
variables and I need is a
<br />> > > customized .dat file, not netcdf
file, which can not be accepted there.
<br />> > >
<br />> > >
Anyway, thank you for trying to help me,
<br />> > >
<br />> > >
Sincerely,
<br />> > >
<br />> > > Kishore
<br />> > >
<br />>
> > On Sat, Aug 11, 2012 at 5:59 AM, sushant puranik
<sushantpuranik@gmail.com
<br />> > > > wrote:
<br />> >
>
<br />> > >> Kishore
<br />> > >> You have netcdf file
which can directly open in grads with sdfopen
<br />> > >>
command.
<br />> > >> For clarification you can visit
<br />> >
>> http://www.iges.org/grads/gadoc/gradcomdsdfopen.html
<br />> >
>>
<br />> > >> Regards
<br />> > >> Sushant
<br />>
> >>
<br />> > >> On Sat, Aug 11, 2012 at 2:34 PM, Kishore
Babu <kishoreragi@gmail.com>wrote:
<br />> > >>
<br />> >
>>> Dear Grads users,
<br />> > >>>
<br />> >
>>!
> I am quit new to grads programming. Could anyone help me with the
grads
<br />> > >>> code to create grads data file? I have a netcdf
file with all the required
<br />> > >>> variables in all
dimensions. The control file of the data file must be like
<br />> >
>>> the following.
<br />> > >>>
<br />> > >>>
DSET ^T421994JUN.ctl
<br />> > >>> TITLE XXXXX 6-hourly analysis
data
<br />> > >>> UNDEF -9999.00
<br />> > >>> options
big_endian
<br />> > >>> XDEF 128 LINEAR 0.000 2.8125
<br />> >
>>> YDEF 64 levels -87.8638 -85.0965 -82.3129 -79.5256 -76.7369
<br />>
> >>> -73.9475
<br />> > >>> -71.1578 -68.3678 -65.5776
-62.7874 -59.9970 -57.2066
<br />> > >>> -54.4162
<br />> >
>>> -51.6257 -48.8352 -46.0447 -43.2542 -40.4636 -37.6731
<br />> >
>>> -34.8825
<br />> > >>> -32.0919 -29.3014 -26.5108
-23.7202 -20.9296 -18.1390
<br />> > >>> -15.3484
<br />> >
>!
;>> -12.5578 -9.76715 -6.97653 -4.18592 -1.39531 1.39531
<br />>
>
>>> 4.18592
<br />> > >>> 6.97653 9.76715 12.5578 15.3484
18.1390 20.9296
<br />> > >>> 23.7202
<br />> > >>>
26.5108 29.3014 32.0919 34.8825 37.6731 40.4636
<br />> > >>>
43.2542
<br />> > >>> 46.0447 48.8352 51.6257 54.4162 57.2066
59.9970
<br />> > >>> 62.7874
<br />> > >>> 65.5776
68.3678 71.1578 73.9475 76.7369 79.5256
<br />> > >>>
82.3129
<br />> > >>> 85.0965 87.8638
<br />> > >>> ZDEF
15 levels 1000 925 850 700 500 400 300 250 200 150 100 70 50 30 10
<br />> >
>>> TDEF 120 LINEAR 00Z01jun1994 6hr
<br />> > >>> VARS
7
<br />> > >>> ps 0 99 surface pressure, Pa
<br />> >
>>> z 15 0 geopotential height, m
<br />> > >>> t 15 0 air
temperature, K
<br />> > >>> u 15 0 zonal wind, m/s
<br />> >
>>> v 15 0 meridional wind, m/s
<br />> > >>> w 15 0
vertical velocity, Pa/s
<br />> > >>> q 15 0 water vapour,
kg/kg
<br />> > >>>
E!
NDVARS
<br />> > >>>
<br />> > >>>
<br />> >
>>> I have been struggling to get solved for weeks. Your help will save
much
<br />> > >>> of my future...
<br />> > >>>
<br />>
> >>> Thank you in advance,
<br />> > >>>
<br />> >
>>> Yours sincerely,
<br />> > >>>
<br />> >
>>> Kishore
<br />> > >>>
<br />> > >>>
_______________________________________________
<br />> > >>>
gradsusr mailing list
<br />> > >>> gradsusr@gradsusr.org
<br />>
> >>> http://gradsusr.org/mailman/listinfo/gradsusr
<br />> >
>>>
<br />> > >>>
<br />> > >>
<br />> >
>>
<br />> > >>
<br />> > >>
<br />> > >>
_______________________________________________
<br />> > >> gradsusr
mailing list
<br />> > >> gradsusr@gradsusr.org
<br />> > >>
http://gradsusr.org/mailman/listinfo/gradsusr
<br />> > >>
<br />> >
>>
<br />> > >
<br />> > >
________________!
_______________________________
<br />> > > gradsusr mailing list
<br />>
> > gradsusr@gradsusr.org
<br />> > >
http://gradsusr.org/mailman/listinfo/gradsusr
<br />> > >
<br />> >
>
<br />> > -------------- next part --------------
<br />> > An HTML
attachment was scrubbed...
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<br />> >
<br />> > ------------------------------
<br />> >
<br />>
> Message: 2
<br />> > Date: Sat, 11 Aug 2012 10:28:28 -0300
<br />> >
From: hersala <hersala@gmail.com>
<br />> > Subject: Re: [gradsusr]
Drawing something (line, point,...) over the
<br />> > map
<br />> > To:
GrADS Users Forum <gradsusr@gradsusr.org>
<br />> > Message-ID:
<br />>
>
<CA+0GtdufZKNhiaQVRXJvKEaz6jPchj6eEc1qWVBKnQWeCW8sGg@mail.gmail.com>
<br />>
> Content-Type: text/plain; charset="iso-8859-1"
<br />> >
<br />> >
Dear Tahereh,
<br />> > Perhaps this example is useful to you:
<br />> >
http://cookbooks.opengrads.org/index.php?title=Recipe-026:_Using_World_Coordinates_to_Annotate_your_Plots
<br />>
>
!
<br />> > Regards,
<br />> > Hern?n
<br />> >
<br />> >
<br />>
> On 11 August 2012 00:25, T. haghroosta <haghroosta@hotmail.com>
wrote:
<br />> >
<br />> > > Dear Galebonwe,
<br />> > >
<br />>
> > I did it, but unfortunately it didn't work. I got these
errors:
<br />> > > 1- query error : syntax is query w2xy lon lat
<br />>
> > 2- draw error : invalid line coordinate
<br />> > >
<br />> >
> Now what should I do?
<br />> > >
<br />> > > Regards,
<br />>
> > Tahereh
<br />> > >
<br />> > > > From:
gradsusr-request@gradsusr.org
<br />> > > > Subject: gradsusr Digest,
Vol 30, Issue 21
<br />> > > > To: gradsusr@gradsusr.org
<br />> >
> > Date: Fri, 10 Aug 2012 10:08:42 -0400
<br />> > > >
<br />>
> > > Send gradsusr mailing list submissions to
<br />> > > >
gradsusr@gradsusr.org
<br />> > > >
<br />> > > > To subscribe
or unsubscribe via the World Wide Web, visit
<br />> > > >
http://gradsusr.org/mailman/listinfo/gradsusr
<br />>
&!
gt; > > or, via email, send a message with subject or body
'help
' to
<br />> > > > gradsusr-request@gradsusr.org
<br />> > >
>
<br />> > > > You can reach the person managing the list
at
<br />> > > > gradsusr-owner@gradsusr.org
<br />> > >
>
<br />> > > > When replying, please edit your Subject line so it
is more specific
<br />> > > > than "Re: Contents of gradsusr
digest..."
<br />> > > >
<br />> > > >
<br />> > > >
Today's Topics:
<br />> > > >
<br />> > > > 1. Re: How to
calculate the pressure gradient? (Djordje Romanic)
<br />> > > > 2. (no
subject) (Kouakou Kouadio)
<br />> > > > 3. Re: Drawing something
(line, point,...) over th! e map
<br />> > > > (Galebonwe
Ramaphane)
<br />> > > >
<br />> > > >
<br />> > > >
----------------------------------------------------------------------
<br />>
> > >
<br />> > > > Message: 1
<br />> > > > Date:
Fri, 10 Aug 2012 14:09:17 +0200
<br />> > > > From: Djordje Romanic
<djordje8@gmail.com>
<br />> >
&g!
t; > Subject: Re: [gradsusr] How to calculate the pressure gradient?
<br />>
> > > To: GrADS Users Forum <gradsusr@gradsusr.org>
<br />> >
> > Message-ID:
<br />> > > >
<CACWmqDdvhR7XwaN-PVDfWrpf8MhRtjt9PFT8KP-adveg9S7XjQ@mail.gmail.com>
<br />>
> > > Content-Type: text/plain; charset="iso-8859-1"
<br />> > >
>
<br />> > > > Thanks Jeff...
<br />> > > >
<br />> >
> > Cheers,
<br />> > > > Djordje
<br />> > > >
<br />>
> > >
<br />> > > >
<br />> > > > On Thu, Aug 9, 2012
at 6:30 PM, Jeff Duda <jeffduda319@gmail.com> wrote:
<br />> > >
>
<br />> > > > > Djordje,
<br />> > > > > Since
cdiff performs a centered difference, if you use the expressions
<br />> >
> > > suggested by another Grads user on this thread, you would only
want to
<br />> > > use
<br />> > > > > dx since 2*dx is
already implie! d in the definition.
<br />> > > > >
<br />> >
> > > Jeff
<br />>
!
> > > >
<br />> > > &g t; >
<br />> > > >
>
On Thu, Aug 9, 2012 at 1:50 AM, Djordje Romanic <djordje8@gmail.com
<br />>
> > >wrote:
<br />> > > > >
<br />> > > > >>
Thanks,
<br />> > > > >>
<br />> > > > >> Since I
only need the pressure gradient, and not the pressure gradient
<br />> > >
> >> force, I should exclude 1/rho. Just one clarification. When I
use
<br />> > > cdiff
<br />> > > > >> function for
pressure (e.g. in LON direction), should I divide it
<br />> > > with
dx
<br />> > > > >> or 2*dx. I believe that 2*dx would be
correct.
<br />> > > > >>
<br />> > > > >>
Regards,
<br />> > > > >> Djordje
<br />> > > >
>>
<br />> > > > >>
<br />> > > > >> On Wed,
Aug 8, 2012 at 7:08 PM, Jeff Duda <jeffduda319@gmail.com>
<br />> >
> wrote:
<br />> > > > >>
<br />> > > > >>>
The pressure gradient is simply 1/rho * del(p), where del(p) is the
<br />> >
>
!
> >>> gradient operator, which can be displayed in Grads using
the
<br />> > > mathematical
<br />> > > > >>>
decomposition of the gradient operator (i.e., derivatives in the x-
<br />> >
> and
<br />> > > > ! >>> y-directions). Use cdiff for
those derivatives. Note, you'll have
<br />> > > to
<br />> > > >
>>> define your x- and y- grid spacing values as well. See the
examples
<br />> > > on the cdiff
<br />> > > > >>> help
page <http://www.iges.org/grads/gadoc/gradfunccdiff.html> for
<br />> >
> how
<br />> > > > >>> to do that.
<br />> > > >
>>>
<br />> > > > >>> Jeff Duda
<br />> > >
> >>>
<br />> > > > >>> On Wed, Aug 8, 2012 at
5:48 AM, Djordje Romanic <djordje8@gmail.com
<br />> > >
>wrote:
<br />> > > > >>>
<br />> > > >
>>>> Dear Users,
<br />> > > > >>>>
<br />>
> > >
>!
;>>> I have to calculate the pressure gradient in a given
are
a (Southeast
<br />> > > > >>>> Europe) and I have a
pressure date at 2.5 x 2.5 degrees (reanalysis
<br />> > > data).
<br />>
> > > >>>> Does anyone know how to calculate it in GrADS
and how to show the
<br />> > > results
<br />> > > >
>>>> in the vector form?
<br />> > > >
>>>>
<br />> > > > >>>> Thanks in
advance.
<br />> > > > ! >>>>
<br />> > > >
>>>> Regards,
<br />> > > > >>&gt ;> Djordje
Romanic
<br />> > > > >>>> M.Sc. in Meteorology
<br />>
> > > >>>> Cell: +38164 254 3539
<br />> > > >
>>>> www.linkedin.com (Djordje Romanic profile)
<br />> > >
> >>>>
<br />> > > > >>>>
<br />> > >
> >>>> _______________________________________________
<br />>
> > > >>>> gradsusr mailing list
<br />> > > >
>>>>
gradsusr@grads!
usr.org
<br />> > > > >>>>
http://gradsusr.org/mailman/listinfo/gradsusr
<br />> > > >
>>>>
<br />> > > > >>>>
<br />> > > >
>>>
<br />> > > > >>>
<br />> > > >
>>> --
<br />> > > > >>> Jeff Duda
<br />> > >
> >>> Graduate research assistant
<br />> > > >
>>> University of Oklahoma School of Meteorology
<br />> > > >
>>> Center for Analysis and Prediction of Storms
<br />> > > >
>>>
<br />> > > > >>>
<br />> > > >
>>> _______________________________________________
<br />> > >
> >>> gradsusr mailing list
<br />> > > > >>>
gradsusr@gradsu! sr.org
<br />> > > > >>>
http://gradsusr.org/mailman/listinfo/gradsusr
<br />> > > >
>>>
<br />> > > > >>>
<br />> > > >
>>
<br />> > > > >>
_______________________________________!
________
<br />> > > > >> gradsusr mailing list
<br />> >
>
> >> gradsusr@gradsusr.org
<br />> > > > >>
http://gradsusr.org/mailman/listinfo/gradsusr
<br />> > > >
>>
<br />> > > > >>
<br />> > > > >
<br />>
> > > >
<br />> > > > > --
<br />> > > > >
Jeff Duda
<br />> > > > > Graduate research assistant
<br />> >
> > > University of Oklahoma School of Meteorology
<br />> > >
> > Center for Analysis and Prediction of Storms
<br />> > > >
>
<br />> > > > >
<br />> > > > >
_______________________________________________
<br />> > > > >
gradsusr mailing list
<br />> > > > > gradsusr@gradsusr.org
<br />>
> > > > http://gradsusr.org/mailman/listinfo/gradsusr
<br />> >
> > >
<br />> > > > >
<br />> > > > --------------
next part --------------
<br />> > > > An HTML attachment was
scrubbed...
<br />> > > > URL:
http://gradsusr.org/pipermail/gradsusr/attachme!
<br />> > >
nts/20120810/f6!
a44bc1/attachment-0001.html
<br />> > > >
<br />> > > >
--------- ---------------------
<br />> > > >
<br />> > > >
Message: 2
<br />> > > > Date: Fri, 10 Aug 2012 13:29:28 +0000
<br />>
> > > From: Kouakou Kouadio <kouekkd@gmail.com>
<br />> > >
> Subject: [gradsusr] (no subject)
<br />> > > > To:
gradsusr@gradsusr.org
<br />> > > > Message-ID:
<br />> > > >
<CACjBvToO5W70-76DpQq3QfPNa1dQwuP-qHMABPgmr-0MjAE+Lg@mail.gmail.com>
<br />>
> > > Content-Type: text/plain; charset="iso-8859-1"
<br />> > >
>
<br />> > > > Dear Users,
<br />> > > >
<br />> > >
> I'm trying to install grads-2.0.a8.oga.1 on my laptop.
<br />> > >
> I respect the different instructions. I use suse 12.1.
<br />> > >
> When i execute grads i met the following message:
<br />> > >
>
<br />> > > > grads: missing required directory
<br />> > >
> </opt/opengrads/Linux/i686> --->
<br />> > > > at
/opt/open!
grads/grads line 157.
<br />> > > >
<br />> > > > In the
/opt/
opengrads/Linux/ directory i can't found the file i686 but i
<br />> > >
> met x86_64\@..
<br />> > > >
<br />> > > > I don't now
what i can do.
<br />> > > > Please give me any proposition to resolve
this problem.
<br />> > > >
<br />> > > > **>
<br />> >
> > Thanks in advance.
<br />> > > >
<br />> > >
>
<br />> > > > Kouadio Kouakou
<br />> > > >
<br />> >
> > Doctorant au Laboratoire Lapa-MF (Universit? de Cocody
Abidjan)
<br />> > > > C?te d'Ivoire.
<br />> > > >
-------------- next part --------------
<br />> > > > An HTML
attachment was scrubbed...
<br />> > > > URL:
<br />> > >
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<br />>
> > >
<br />> > > > ------------------------------
<br />>
> > >
<br />> > > > Message: 3
<br />> > > > Date:
Fri, 10 Aug 2012 16:08:22 +0200
<br />> > > > From: "Galebonwe
Ramaphane"
<GRamaphane@gov.bw&!
gt;
<br />> > > > Subject: Re: [gradsusr] Drawing something (line,
point,...) over the
<br />> > > > map
<br />> > > > To: "GrADS
Users Forum" <gradsusr@gradsusr.org>
<br />> > > >
Message-ID:
<br />> > > >
<C29C568A454A0849982F608873BBC01D016B6746@imsnt001.meteo.gov.bw>
<br />>
> > > Content-Type: text/plain; charset="us-ascii"
<br />> > >
>
<br />> > > > Tahereh,
<br />> > > >
<br />> > >
>
<br />> > > >
<br />> > > > Try this:
<br />> > >
>
<br />> > > >
<br />> > > >
<br />> > > > Set
line 2 1 6
<br />> > > ! > lon1= 120.6
<br />> > > > lat1=
8.3
<br />> > > > q w2xy lon1 lat1
<br />> > > > x1 =
subwrd(result,3)
<br />> > > > y1 = subwrd(result,6)
<br />> > >
> lon2= 119.3
<br />> > > > lat2= 9
<br />> > > > q w2xy
lon2 'lat2
<br />> > > > x2 = subwrd(result,3)
<br />> > > >
y2 = subwrd(result,6)
<br />> > > > draw line x1 y1 x2 y2
<br />> >
>
>
<br!>> > >
<br />> > > >
<br />> > > > Hope it
helps.
<br />>
> > >
<br />> > > >
<br />> > > >
<br />> > >
> Galebonwe Ramaphane
<br />> > > >
<br />> > > >
Department of Meteorological Services
<br />> > > >
<br />> > >
> P.O. BOX 10100
<br />> > > >
<br />> > > >
Gaborone
<br />> > > >
<br />> > > > Botswana
<br />> >
> >
<br />> > > > Tel: +267 3612200
<br />> > >
>
<br />> > > > Mobile: +267 74435261
<br />> > > >
<br />>
> > >
<br />> > > >
<br />> > > > From:
gradsusr-bounces@gradsusr.org
<br />> > > >
[mailto:gradsusr-bounces@gradsusr.org] On Behalf Of T. haghroosta
<br />> >
> > Sent: Thursday, August 09, 2012 7:58 PM
<br />> > > > To:
gradsusr@gradsusr.org
<br />> > > > Subject: Re: [gradsusr] Drawing
something (line, point,...) over the map
<br />> > > >
<br />> >
> >
<br />> > > >
<br />> > > > Dear Jennifer,
<br />>
> > >
<br />> > > > I did it but it didn't work. Maybe I
didn't do that correctly.
Co!
uld you
<br />> > > > please explai! n more. As an example here is my
work : I would like to
<br />> > > > show points (8.3 120.6) and (9
119.3) and also the line between them
<br />> > > > over my
maps.
<br />> > > >
<br />> > > >
<br />> > > >
Latitude
<br />> > > >
<br />> > > > longitude
<br />> >
> >
<br />> > > > 8.3
<br />> > > >
<br />> > >
> 120.6
<br />> > > >
<br />> > > > 9
<br />> > >
>
<br />> > > > 119.3
<br />> > > >
<br />> > >
>
<br />> > > >
<br />> > > > Regards,
<br />> > >
>
<br />> > > > Tahereh
<br />> > > >
<br />> > >
>
<br />> > > >
<br />> > > > > From:
gradsusr-request@gradsusr.org
<br />> > > > > Subject: gradsusr
Digest, Vol 30, Issue 19
<br />> > > > > To:
gradsusr@gradsusr.org
<br />> > > > > Date: Thu, 9 Aug 2012 12:00:01
-0400
<br />> > > > >
<br />> > > > > Send gradsusr
mailing list submissions
to<!--
BR-->> > > > gradsusr@gradsusr.org
<br />> > > >
>
<br />> > > > To subscribe or unsubscribe via the World Wide Web,
visit
<br />> > > > >
http://gradsusr.org/mailman/listinfo/gradsusr
<br />> > > > > or,
via email, send a message with subject or body 'help' to
<br />> > > >
> gradsusr-request@gradsusr.org
<br />> > > > >
<br />> > >
> > You! can reach the person managing the list at
<br />> > > >
> gradsusr-owner @gradsusr.org
<br />> > > > >
<br />> > >
> > When replying, please edit your Subject line so it is more
specific
<br />> > > > > than "Re: Contents of gradsusr
digest..."
<br />> > > > >
<br />> > > > >
<br />> >
> > > Today's Topics:
<br />> > > > >
<br />> > >
> > 1. Drawing something (line, point,...) over the map (T.
haghroosta)
<br />> > > > > 2. Re: How to calculate the pressure
gradient? (Djordje Romanic)
<br />> > > > > 3. Re: Drawing so!
mething (line, point,...) over the map
<br />> >
>!
> > (Jennifer Adams)
<br />> > > > >
<br />> > > >
>
<br />> > > > >
----------------------------------------------------------------------
<br />>
> > > >
<br />> > > > > Message: 1
<br />> > >
> > Date: Thu, 9 Aug 2012 06:29:08 +0000
<br />> > > > > From:
"T. haghroosta" <haghroosta@hotmail.com>
<br />> > > > >
Subject: [gradsusr] Drawing something (line, point,...) over the map
<br />>
> > > > To: <gradsusr@gradsusr.org>
<br />> > > >
> Message-ID: <SNT104-W2403A6A7F39D90ECA64A85DDCC0@phx.gbl>
<br />>
> > > > Content-T! ype: text/plain; charset="windows-1256"
<br />>
> > > >
<br />> > > > >
<br />> > > > > Dear
All,
<br />> > > > >
<br />> > > > > I have to repeat my
question, Is it possible to draw a path with
<br />> > > > specific
coordinates? For example I would like to show the position or
<br />> > >
> the track (moving
pa!
th) of a typhoon on a map. Is it possible to put
<br />> > > >
som
e points (with specific coordinates) or lines on a map seperate from
<br />>
> > > contours?
<br />> > > > >
<br />> > > > >
Regards,
<br />> > > > >
<br />> > > > > Tahereh
<br />>
> > > > -------------- next part --------------
<br />> > >
> &g! t; An HTML attachment was scrubbed...
<br />> > > > >
URL: http://gradsusr.org
<br />> > > >
/pipermail/gradsusr/attachments/20120809/31e826ca/attachment-0001.html
<br />>
> > > >
<br />> > > > >
------------------------------
<br />> > > > >
<br />> > >
> > Message: 2
<br />> > > > > Date: Thu, 9 Aug 2012 08:50:25
+0200
<br />> > > > > From: Djordje Romanic
<djordje8@gmail.com>
<br />> > > > > Subject: Re: [gradsusr]
How to ca! lculate the pressure gradient?
<br />> > > > > To: GrADS
Users Forum < gradsusr@gradsusr.org>
<br />> > > > >
Message-ID:
<br />> > > > >
<CACWmqDci6TS4nRbjv=RRU3bvv!
GPW=Q-zRTmGoNTETK+=k3MsYw@mail.gmail.com>
<br />> > > > >
Content-Type: text/plain; charset="iso-8859-1"
<br />> > > >
>
<br />> > > > > Thanks,
<br />> > > > >
<br />>
> > > > Since I only need the pressure gradient, and not the
pressure gradient
<br />> > > > > force, I should exclude 1/rho.
Just one clarification. When I use
<br />> > > > cdiff
<br />> >
> > > function for pressure (e.g. in LON direction), should I divide it
with
<br />> > > > dx
<br />> > > > > or 2*dx. I believe
that 2*dx would be correct.
<br />> > > > >
<br />> > > >
> Regards,
<br />> > > > > Djordje
<br />> > > >
>
<br />> > > > >
<br />> > > > > On Wed, Aug 8, 2012
at 7:08 PM, Jeff Duda <jeffd! uda319@gmail.com>
<br />> > > >
wrote:
<br />> > > > >
<br />> > > > > > The pressure
gradient is simply 1/rho * del(p), where del(p) is the
<br />> > > >
> >
gra!
dient operator, which can be displayed in Grads using the
<br />> >
>
> mathematical
<br />> > > > > > deco! mposition of the
gradient operator (i.e., derivatives in the x-
<br />> > > >
and
<br />> > > > > > y-directions). Use cdiff for those
derivatives. Note, you'll have to
<br />> > > > > > define your
x- and y- grid spacing values as well. See the examples
<br />> > > >
on the cdiff
<br />> > > > > > help page
<http://www.iges.org/grads/gadoc/gradfunccdiff.html> for
<br />> > >
> how to
<br />> > > > > > do that.
<br />> > > >
> >
<br />> > > > > > Jeff Duda
<br />> > > > >
>
<br />> > > > > > On Wed, Aug 8, 2012 at 5:48 AM, Djordje
Romanic
<br />> > > > <djordje8@gmail.com>wrote:
<br />> >
> > > >
<br />> > > > > >> Dear Users,
<br />>
> > > > >>
<br />> > > > > >> I have to
calculate the pressure gradient in a given area
<br />> > > >
(Southeast
<br />> > > >
&!
gt; >> Europe) and I have a pressure date at 2.5 x 2.5 degrees
(reanalysis
<br />> > > > data).
<br />> > > > > >>
Does anyon! e know how to calculate it in GrADS and how to show the
<br />> >
> > results
<br />> > > > > ; >> in the! vector
form?
<br />> > > > > >>
<br />> > > > > >>
Thanks in ad vance.
<br />> > > > > >>
<br />> > > >
> >> Regards,
<br />> > > > > >> Djordje
Romanic
<br />> > > > > >> M.Sc. in Meteorology
<br />> >
> > > >> Cell: +38164 254 3539
<br />> > > > >
>> www.linkedin.com (Djordje Romanic profile)
<br />> > > > >
>>
<br />> > > > > >>
<br />> > > > >
>> _______________________________________________
<br />> > > >
> >> gradsusr mailing list
<br />> > > > > >>
gradsusr@gradsusr.org
<br />> > > > > >>
http://gradsusr.org/mailman/li!
stinfo/gradsusr
<br />> > > > > >>
<br />> > > >
>
>>
<br />> > > > > >
<br />> > > > >
>
<br />> > > > > > --
<br />> > > > > > Jeff
Duda
<br />> > > > > > Graduate research assistant
<br />> >
> > > > University of Oklahoma School of Meteorology
<br />> >
> > > > Center for Analysis and Prediction of Storms
<br />> >
> > > >
<br />> > > > > >
<br />> > > > >
> _______________________________________________
<br />> > > > >
> gradsusr mailing list
<br />> > > > > > gradsusr!
@gradsusr.org
<br />> > > > > > http://gradsusr.org/mailma!
n/listinfo/gradsusr
<br />> > > > > >
<br />> > > > >
>
<br />> > > > > -------------- next part --------------
<br />>
> > > > An HTML attachment was scrubbed...
<br />> > > >
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<br />> > > >
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<br />>
> > > achment-0001.html
<br />> >
&g!
t; > >
<br />> > > > > ------------------------------
<br />>
> > > >
<br />> > > > > Message: 3
<br />> > >
> > Date: Thu, 9 Aug 2012 06:56:13 -0400
<br />> > > > > From:
Jennifer Adams <jma@cola.iges.org>
<br />> > > > > Subject:
Re: [gradsusr] Drawing something (line, point,...) over the
<br />> > >
> > map
<br />> > > > > To: GrADS Users Forum
<gradsusr@gradsusr.org>
<br />> > > > > Message-ID:
<50D53664-74F9-4A5D-9998-DE85D9E72D7A@cola.iges.org>
<br />> > >
> > Content-Type: text/plain; charset="us-ascii"
<br />> > > >
>
<br />> > > > > Yes. Use 'qw2xy' to convert world coordinates
to x,y coordinates on
<br />> > > > the page. Then use 'draw line'! to
connect the points.
<br />> > > > > --Jennifer
<br />> > >
> >
<br />> > > > >
<br />> > > > > On Aug 9,
2012, at 2:29 AM, T. haghroosta wrote:
<br />> > > > >
<br />> >
>
>!
; > > Dear All,
<br />> > > > > >
<br />> > > >
&g
t; &g! t; I have to repeat my question, Is it possible to draw a
path
<br />> > > > with sp ecific coordinates? For example I would like
to show the
<br />> > > > position or the track (moving path) of a
typhoon on a map. Is it
<br />> > > > possible to put some points (with
specific coordinates) or lines on a
<br />> > > > map seperate from
contours?
<br />> > > > > >
<br />> > > > > >
Regards,
<br />> > > > > >
<br />> > > > > >
Tahereh
<br />> > > > > >
_______________________________________________
<br />> > > > > >
gradsusr mailing list
<br />> > > > > >
gradsusr@gradsusr.org
<br />> > > > > >
http://gradsusr.org/mailman/listinfo/gradsusr
<br />> > > >
>
<br />> > > > > --
<br />> > > > > Jennifer M.
Adams
<br />> > > > > IGES/COLA
<br />> > > > > 4041
Powder Mill Road, Suite 302
<br />> > > > > Calverton, MD
20705
<br />> > >
&!
gt; > jma@cola.iges.org
<br />> > > > >
<br />> > >
&gt! ; >
<br />> > > > >
<br />> > > > >
-------------- next part --------------
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<br />>
> > > achment-0001.html
<br />> > > > >
<br />> > >
> > ------------------------------
<br />> > > > >
<br />>
> > > > _______________________________________________
<br />> >
> > > gradsu! sr mailing list
<br />> > > > >
gradsusr@gradsusr.org
<br />> > > > >
http://gradsusr.org/mailman/listinfo/gradsusr
<br />> > > >
>
<br />> > > > >
<br />> > > > > End of gradsusr
Digest, Vol 30, Issue 19
<br />> > > > >
****************************************
<br />> > > >
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<br />>
> > >
<br />> > > > ------------------------------
<br />>
> > >
<br />> > > >
_______________________________________________
<br />> > > > gradsusr
mailing li! st
<br />> > > > gradsusr@gradsusr.org
<br />> > >
> http://gradsusr.org/mailman/l istinfo/gradsusr
<br />> > >
>
<br />> > > >
<br />> > > > End of gradsusr Digest, Vol
30, Issue 21
<br />> > > >
****************************************
<br />> > >
<br />> > >
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<br />> > > gradsusr
mailing list
<br />> > > gradsusr@gradsusr.org
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<br />> >
<br />> >
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<br />> > gradsusr mailing
list
<br />> > gradsusr@gradsusr.org
<br />> >
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<br />> > End of gradsusr Digest, Vol 30, Issue 26
<br />> >
****************************************
<br />
<br />
<br />Ricardo Hallak
<br />
<br />
Departamento de Ciências Atmosféricas (ACA)
<br />
Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG)
<br />
Universidade de São Paulo (USP)
<br />
Rua do Matão, 1226 - Cidade Universitária - São Paulo SP 05508-900
<br />
Phone.: +55 (11) 3091-2850; 3091-4703
<br />
Fax: +55 (11) 3091-4714
<br />
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