Newbie questions!
Kwan-yin Kong
kongkwan at SCI.CCNY.CUNY.EDU
Tue Nov 15 00:03:01 EST 2005
Wen,
Check also the spellings and spaces in GRDDIR and GASCRP.
Kwan-yin
On Mon, 14 Nov 2005 20:32:57 -0500
fangwen at CLIMATE.CESTM.ALBANY.EDU wrote:
>Kwan-yin,
>Yeah, I set in my .cshrc as following:
>set path=($path/home/fangwen/grads/bin)
>setenv GRDDIR /home/fangwen/gads//dat
>setenv GASCRP/home/fangwen/grads/lib
>now I can open .ctl files with absolute path, but when I
>"ga->run sample.gs" , it do not work, the error message
>is : Can't open sample.gs . the sample.gs is just under
>directory of grads.I tried with absolute path, got the
>same error. I don't know why. Please help me.
>
>WEN F
>
>----- Original Message -----
>From: Kwan-yin Kong <kongkwan at SCI.CCNY.CUNY.EDU>
>Date: Monday, November 14, 2005 5:25 pm
>Subject: Re: Newbie questions!
>
>> Hi Wen,
>>
>> Did you set (or put it in the shell initialization file)
>> the environment variable "GRADS" to your GrADS
>>directory?
>>
>> Kwan-yin Kong
>>
>> On Mon, 14 Nov 2005 14:07:25 -0500
>> fangwen at CLIMATE.CESTM.ALBANY.EDU wrote:
>> >
>> >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
>> >>
>>
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