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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>
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<DIV id=SkyDrivePlaceholder></DIV>> 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>> >>> ENDVARS<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...<BR>> URL: http://gradsusr.org/pipermail/gradsusr/attachments/20120811/fd0c0dcb/attachment-0001.html <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>> > > 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>> > > 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@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@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/f6a44bc1/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/opengrads/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>> > http://gradsusr.org/pipermail/gradsusr/attachments/20120810/0b9a4599/attachment-0001.html<BR>> > ><BR>> > > ------------------------------<BR>> > ><BR>> > > Message: 3<BR>> > > Date: Fri, 10 Aug 2012 16:08:22 +0200<BR>> > > From: "Galebonwe Ramaphane" <GRamaphane@gov.bw><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. Could 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 path) 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=RRU3bvvGPW=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>> > > > > gradient 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>> > > > >> 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/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/mailma! n/listinfo/gradsusr<BR>> > > > ><BR>> > > > ><BR>> > > > -------------- next part --------------<BR>> > > > An HTML attachment was scrubbed...<BR>> > > > URL:<BR>> > > http://gradsusr.org/pipermail/gradsusr/attachments/20120809/55f3fca3/att<BR>> > > achment-0001.html<BR>> > > ><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>> > > > jma@cola.iges.org<BR>> > > ><BR>> > &gt! ; ><BR>> > > ><BR>> > > > -------------- next part --------------<BR>> > > > An HTML attachment was scrubbed...<BR>> > > > URL:<BR>> > > http://gradsusr.org/pipermail/gradsusr/attachments/20120809/20c6500c/att<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>> > ><BR>> > > -------------- next part --------------<BR>> > > An HTML attachment was scrubbed...<BR>> > > URL:<BR>> > http://gr
adsusr.org/pipermail/gradsusr/attachments/20120810/77394017/attachment.html<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>> > _______________________________________________<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/attachments/20120811/35de0e7f/attachment.html <BR>> <BR>> ------------------------------<BR>> <BR>> _______________________________________________<BR>> gradsusr mailing list<BR>> gradsusr@gradsusr.org<BR>> http://gradsusr.org/mailman/listinfo/gradsusr<BR>> <BR>> <BR>> End of gradsusr Digest, Vol 30, Issue 26<BR>> ****************************************<BR></DIV> </div></body>
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