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Dear Jennifer,<BR>
<BR>
I did it but it didn't work. Maybe I didn't do that correctly. Could you please explain more. As an example here is my work : I would like to show points (8.3 120.6) and (9 119.3) and also the line between them over my maps.<BR>
<BR>
<TABLE style="WIDTH: 107pt; BORDER-COLLAPSE: collapse" border=0 cellSpacing=0 cellPadding=0 width=143>
<COLGROUP>
<COL style="WIDTH: 59pt; mso-width-source: userset; mso-width-alt: 2889" width=79>
<COL style="WIDTH: 48pt" width=64>
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<TR style="HEIGHT: 15pt" height=20>
<TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; WIDTH: 59pt; HEIGHT: 15pt; BORDER-TOP: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid" dir=ltr class=xl65 height=20 width=79><FONT face=Arial>Latitude</FONT></TD>
<TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; WIDTH: 48pt; BORDER-TOP: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid" dir=ltr class=xl65 width=64><FONT face=Arial>longitude</FONT></TD></TR>
<TR style="HEIGHT: 15pt" height=20>
<TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; WIDTH: 59pt; HEIGHT: 15pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" dir=ltr class=xl65 height=20 width=79><FONT face=Arial>8.3</FONT></TD>
<TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; WIDTH: 48pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" dir=ltr class=xl65 width=64><FONT face=Arial>120.6</FONT></TD></TR>
<TR style="HEIGHT: 15pt" height=20>
<TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; WIDTH: 59pt; HEIGHT: 15pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" dir=ltr class=xl65 height=20 width=79><FONT face=Arial>9</FONT></TD>
<TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; WIDTH: 48pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" dir=ltr class=xl65 width=64><FONT face=Arial>119.3</FONT></TD></TR></TBODY></TABLE><BR>
<BR>
Regards,<BR>
<BR>
Tahereh<BR>
<BR> <BR>
<DIV>
<DIV id=SkyDrivePlaceholder></DIV>> 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 something (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-Type: 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 specific coordinates? For example I would like to show the position or the track (moving path) of a typhoon on a map. Is it possible to put some points (with specific coordinates) or lines on a map seperate from contours?<BR>> <BR>> Regards,<BR>> <BR>> Tahereh <BR>> -------------- next part --------------<BR>> An HTML attachment was scrubbed...<BR>> URL: http://gradsusr.org
/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 calculate 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 cdiff<BR>> function for pressure (e.g. in LON direction), should I divide it 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> 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 mathematical<BR>> > decomposition of the gradient operator (i.e., derivatives in the x- 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 on the cdiff<BR>> > help page <http://www.iges.org/grads/gadoc/gradfunccdiff.html> for how to<BR>> > do that.<BR>> ><BR>> > Jeff Duda<BR>> ><BR>> > On Wed, Aug 8, 2012 at 5:48 AM, Djordje Romanic <djordje8@gmail.com>wrote:<BR>> ><BR>> >> Dear Users,<BR>> >><BR>> >> I have to calculate the pressure gradient in a given area (Southeast<BR>> >> Europe) and I have a pressure date at 2.5 x 2.5 degrees (reanalysis data).<BR>> >> Does anyone know how to calculate it in GrADS and how to show the results<BR>>
; >> in the vector form?<BR>> >><BR>> >> Thanks in advance.<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/mailman/listinfo/gradsusr<BR>> ><BR>> ><BR>> -------------- next part --------------<BR>> An HTML attachment was scrubbed...<BR>> URL: http://gradsusr.org/pipermail/gradsusr/attachments/20120809/55f3fca3/attachment-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 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>> > I have to repeat my question, Is it possible to draw a path with sp
ecific coordinates? For example I would like to show the position or the track (moving path) of a typhoon on a map. Is it possible to put some points (with specific coordinates) or lines on a 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>> <BR>> <BR>> -------------- next part --------------<BR>> An HTML attachment was scrubbed...<BR>> URL: http://gradsusr.org/pipermail/gradsusr/attachments/20120809/20c6500c/attachment-0001.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 19<BR>> ****************************************<BR></DIV> </div></body>
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