Newbie questions!
fangwen at CLIMATE.CESTM.ALBANY.EDU
fangwen at CLIMATE.CESTM.ALBANY.EDU
Mon Nov 14 14:07:25 EST 2005
Hi,
I use absolute path to open model.ctl successfully.
but in my model.ctl file, the first line is:
DSET ^model.dat
I think there must be a method to open the file not using absolute path. where I can set the path ?
wen
----- Original Message -----
From: Eric Tiong <eric at OFFSHOREWEATHER.COM.AU>
Date: Monday, November 14, 2005 12:52 pm
Subject: Newbie questions!
> Bob,
>
> This could be a unix2dos or dos2unix problem. I think the ctl
> file can not have CR/LF pairs in line breaks.
>
> Eric
> ----- Original Message -----
> From: Bob
> To: GRADSUSR at LIST.CINECA.IT
> Sent: Tuesday, November 15, 2005 4:05 AM
> Subject: Re: Newbie questions!
>
>
> Still no luck!! Whatever I do, I still get those can`t open file
> errors.
> Thanks for your help though. I`m running the win32e version.
>
>
> ----- Original Message -----
> From: Jean Pierre Arabonis
> To: GRADSUSR at LIST.CINECA.IT
> Sent: Monday, November 14, 2005 12:49 PM
> Subject: Re: Newbie questions!
>
>
> Hi Bob
> Should not matter where you put them, check that the
> model.ctl file has the fist line looking like so:
> dset ^model.grb
> and not pathed somewhere else, check the permissions on teh
> files you need to at least be able to read them.
> Note that if you are running grads from another directory than
> the one where the files reside you bust give the absolute path to
> the control file, eg
>
> ga> open /your full path/model.ctl
>
> Your directory holding the files should look somthing like so:
>
> arabonis at baltic:/mnt/pacific/data/gradstut/atmosdata> ls -lat
> total 593
> -rw-r--r-- 1 arabonis osis 593060 Jan 14 2003 model.grb
> -rw-r--r-- 1 arabonis osis 4633 Jan 14 2003 model.gmp
> drwxr-xr-x 2 arabonis osis 144 Jan 14 2003 ./
> -rw-r--r-- 1 arabonis osis 651 Jan 14 2003 model.ctl
> drwxr-xr-x 4 arabonis osis 104 Jan 14 2003 ../
>
> and the ctl file like so:
>
> arabonis at baltic:/mnt/pacific/data/gradstut/atmosdata> cat
> model.ctl dset ^model.grb
> title "Sample Model Data for GrADS Tutorial"
> undef 1e+20
> dtype grib
> index ^model.gmp
> xdef 72 linear 0.000000 5.000000
> ydef 46 linear -90.000000 4.000000
> zdef 7 levels
> 1000 850 700 500 300 200 100
> tdef 5 linear 0Z2jan1987 1dy
> vars 8
> ps 0 1, 1, 0, 0 Surface pressure [hPa]
> u 7 33,100 Eastward wind [m/s]
> v 7 34,100 Northward wind [m/s]
> z 7 7,100 Geopotential height [m]
> t 7 11,100 Air Temperature [K]
> q 7 51,100 Specific humidity [kg/kg]
> ts 0 11,105, 2 Surface (2m) air temperature [K]
> p 0 59, 1, 0, 0 Total precipitation rate [kg/(m^2*s)]
> endvars
>
> Hope this helps
> JP
>
>
>
> Bob wrote:
>
> Thankyou,
>
> I have the datafiles all in the same directory. I have
> placed them in the main Grads folder, and tried in just about
> every other folder too but I still get the error.
>
> I can`t think of anything else to try!! I`ve been waiting to
> play around with Grads for ages, but find this frustrating that I
> can`t even get off the starting block :D
>
> Is there a specific place where the datafiles (ctl, grib)
> should go?
>
> Ron.
> ----- Original Message -----
> From: Jean Pierre Arabonis
> To: GRADSUSR at LIST.CINECA.IT
> Sent: Monday, November 14, 2005 12:25 PM
> Subject: Re: Newbie questions!
>
>
> Hi Bob
> Welcome to grads, firstly I feel that grads is better
> suited to the linux environment - besides being basically anti-
> windows, you'll find a lot of the users of grads are working in a
> unix/linux environment and user support is probably better in that
> area, further for automation of grads scripts, linux is very
> flexible (which seems to be your ultimate goal).
> It seems though there have been some library issues
> with recent versions of grads on certain flavours of linux, red
> hat does not seem to be one of them but a trawl of the archives
> should resolve any compatibility issues.
> With regard to load, thats going to depend on your
> input files and what you do with them, however grads is very
> stable and will generally complete the task without falling over.
> I have grads running on an old 450 MHz P2 running scripts and it
> works just fine.
> With regard to your problem with the model file it
> seems to me to be a path problem, the data file and ctl file must
> be in the same directory.
> Good Luck
> Jean Pierre
>
>
> Bob wrote:
>
> Hi all,
>
> I`ve never used Grads before, so it`s a completely new
> ball game for me!! The most ambitious I`ve been is to use a
> desktop utility likes DAWS!
>
> I have several questions to ask, where the answers could
> not be found on the Cola homepage.
>
> I would like to install Grads on my server, mainly so I
> can ingest and display grib data/model charts on my website. What
> kind of server loads would I be looking at here? I need to know,
> whether my server can cope with it it!! Can someone shed some
> light on using Grads on a redhat linux based server?
>
> Secondly, I haven`t looked through any of the
> documentation as yet. I thought it might be a good idea to install
> the windows version locally on my W2K PC first, so I can get an
> idea of how Grads works.
>
> I believe I have it installed correctly, but I can`t
> even get off the starting block!! I tried to open the demo
> model.ctl file that comes with the online tutorial - all I get are
> errors `Scanning description file: model
> Open Error: Can't open description file`
>
> Do I need to place the ctl, grib and gmp in a certain
> folder? All the tutorial says is download them and place them
> locally. Thanks.
>
> Regards,
> Ron.
>
>
> --
> Jean Pierre Arabonis
> arabonis at egs.uct.ac.za
> Tel 021 780 1021 cell 084 401 1365
> This email is 100% Microsoft Free
>
>
> --
> Jean Pierre Arabonis
> arabonis at egs.uct.ac.za
> Tel 021 780 1021 cell 084 401 1365
> This email is 100% Microsoft Free
>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: fangwen at climate.cestm.albany.edu.vcf
Type: text/x-vcard
Size: 200 bytes
Desc: Card for <fangwen at climate.cestm.albany.edu>
Url : http://gradsusr.org/pipermail/gradsusr/attachments/20051114/0315a0b9/attachment.vcf
More information about the gradsusr
mailing list