[gradsusr] mfhilo

Krzysiek krzyba at o2.pl
Fri May 20 14:59:56 EDT 2011


I have the same problem. I'm a beginner in Grads and I tried 'draw 
string' command to draw H/L symbols on maps on the basis of results from 
'mfhilo' command but I can't. Maybe any advanced user write a simple 
script how to do that?


W dniu 2011-05-20 11:20, Jofre Janué pisze:
> I have not found a way to automatically add "H" and "L" or "A" and "B"
> or/and the pressure value marks in the center of a high- or low
> pressure system. I know mfhilo for grads 2.0, but I suppose that I need
> something else. How can I do this please?
>
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> To: gradsusr at gradsusr.org
> Subject: gradsusr Digest, Vol 15, Issue 28
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> Today's Topics:
>
>     1. taylor diagram (Ismaila Diallo)
>     2. big/little endian bug in OpenGrads v2.0.a9.oga.1 for 2-byte
>        integers files (Henrique Barbosa)
>     3.  P-value of scorr&  tcorr (James Ciarlo`)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 19 May 2011 14:34:18 +0100 (BST)
> From: Ismaila Diallo<ismailadiallo64 at yahoo.fr>
> Subject: [gradsusr] taylor diagram
> To: gradsusr at gradsusr.org
> Cc: gradsusr-request at gradsusr.org
> Message-ID:<515512.55610.qm at web29605.mail.ird.yahoo.com>
> Content-Type: text/plain; charset="us-ascii"
>
> dear Grads user's
> i went to plot a taylor diagram in grads but i don't know how doing that. So
> if
> someone has idea or other tools (script) then could he help me.
> Thanks in advance
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> ------------------------------
>
> Message: 2
> Date: Thu, 19 May 2011 15:58:39 -0300
> From: Henrique Barbosa<hmjbarbosa at gmail.com>
> Subject: [gradsusr] big/little endian bug in OpenGrads v2.0.a9.oga.1
> for 2-byte integers files
> To: Grads<gradsusr at gradsusr.org>
> Message-ID:<BANLkTimeiL=Z22Wdx0kWnOOE-F73CBd5+w at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Dear all,
>
> I was trying to read a single variable written as 2-byte signed integer in a
> big endian file. Plain binary file, i.e. stream, with no header. Should be
> really simple, but it was not. For handling this, I had my CTL as:
>
> (...)
> options big_endian
> (...)
> myvar 0 -1,40,2,-1 ** my variable
> (...)
>
> However, it did not work. The values were completely wrong. After a day
> trying to understand what as going on, I decided to force 'little_endian' on
> the CTL despite the file being big-endian... and it worked!! and I could
> read the data.
>
> However, USGS claims gtopo30 to be big_endian. To make sure,  I wrote a  F90
> program to read it. I could only get the correct data inside the program if
> I opened the file as big_endian. Therefore, as USGS and my program agree, I
> believe the data is big_endian.
>
> Therefore the problem should be in grads. I made a series of tests, writing
> 1-byte, 2-byte and 4-byte integer binary files, and 4-byte float files, for
> both little and big endian types. The only problem I found was with 2-byte
> integers. I think that it is a bug in grads, actually, OpenGrads
> v2.0.a9.oga.1. The necessary data to reproduce the problem can be found
> here:
>
> <http://www.fap.if.usp.br/~hbarbosa/file_format.tgz>
>
> Can some expert have a look in the source code? Arlindo? Jennifer? By the
> way, I am on x86-64 machine, runing ubuntu 64bits and using
> grads-2.0.a9.oga.1-bundle-x86_64-rhel5.5-linux-gnu.tar.gz.
>
> Sincerely,
> Henrique
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> ------------------------------
>
> Message: 3
> Date: Fri, 20 May 2011 09:53:59 +0200
> From: "James Ciarlo`"<james.ciarlo at physics.org>
> Subject: [gradsusr]  P-value of scorr&  tcorr
> To: gradsusr at gradsusr.org
> Message-ID:<BANLkTim_PS3jSMXCKp_LGhOABDh_EUqERA at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Dear gradsusrs,
>
> I have a question about scorr and tcorr functions. Is there a way to obtain
> the p-value in this cases? i.e. one value for scorr and map value for tcorr
>
> Or anything of the sort?
>
> Regards,
>
> James
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