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Re: ui for single variable stored in mulitple files
Hi, Jon,
It looks that I am so close to have this done, but ferret
complains that "file not descriptor file". Attached below
is the LAS error log. I posted my *.des and *.xml files
at http://eyre.jpl.nasa.gov/download/problem/
and the LAS url is
http://eyre.jpl.nasa.gov/try
If you go there and click first link, it will give the error.
Ferret doc chap.10 sect.4 says *.des file is in the style of
TMAP-formatted data sets. I could not find any description
for TMAP-formatted data sets. Any other place to check?
Thanks in advance.
Zhangfan
-----------------------LAS error---------------------------
LAS Error
The following error message was received from LAS:
Adding an acceptable error string: "*** NOTE: ".
NOAA/PMEL TMAP
Program FERRET
Version 5.22 - 07/27/00
22-Aug-01 12:53
yes? cancel mode verify
yes? cancel mode interp
yes? canc data/all
yes? go std_initialize "/mnt/lasdata0/datasets/adjoint/adjoint" "1" "1"
"Have"
**TMAP ERR: Error in namelist record
Error in: FORMAT_RECORD; or file not descriptor file
Data set: /mnt/lasdata0/datasets/adjoint/adjoint.des
set data "/mnt/lasdata0/datasets/adjoint/adjoint"
Command file, command group, or REPEAT execution aborted
On Wed, 22 Aug 2001, Jonathan Callahan wrote:
> Zhangfan,
>
> Your xml file specifies "adjoint.des" as an <init_script> to use when
> accessing the data titled "Assimilation (Adjoint) 1997-1998". Ferret
> scripts and Ferret descriptor files are entirely different animals.
> When using Ferret descriptor files to link individual datasets together
> you don't need to specify any <init_script>. The descriptor file
> essentially creates a new multi-file dataset that is recognized by
> Ferret.
>
> Your xml should look like this:
>
> <Assimilation_ad doc="" name="Assimilation (Adjoint) 1997-1998">
>
> <variables>
>
> <Have_e units="meters" name="Sea Surface Height"
> url="file:/mnt/lasdata0/datasets/adjoint/adjoint#Have">
> <link match="/lasdata/grids/jpl_2d_grid_1997_1998"/>
> <properties>
> <ferret>
> <fill_levels>20c</fill_levels>
> <palette>light_centered</palette>
> </ferret>
> </properties>
>
> </variables>
> </Assimilation_ad>
>
>
> -- Jonathan
>
> Zhangfan Xing wrote:
> >
> > Jon,
> >
> > I am back to our old problem.
> > I have made a ferret des file: adjoint.des, and modified jpl.xml
> > accordingly. They both reside in the same directory ./server.
> > The las takes in jpl.xml without problem, but browser access fails.
> > I have put adjoint.des and jpl.xml at
> > http://eyre.jpl.nasa.gov/download/problem/
> > and las URL is
> > http://eyre.jpl.nasa.gov/try
> > Could you please help me to fix this?
> >
> > By the way, sister servers work very nicely.
> >
> > Thanks a lot.
> >
> > On Tue, 15 May 2001, Jonathan Callahan wrote:
> >
> > > Zhangfan,
> > >
> > > If you are using Ferret to access the data, you can use a descriptor file
> > > to string multiple files together. There isn't really any Ferret
> > > documentation on descriptor files yet but I've created one for the JPL
> > > atlas ssmi data we serve via DODS. You can use it as an example. It's
> > > here:
> > >
> > > http://ferret.wrc.noaa.gov/LAS_desFiles/JPL_atlas_ssmi.des
> > >
> > > The xml file I use for this data is here:
> > >
> > > http://ferret.wrc.noaa.gov/LAS_xmlFiles/DODS_JPL_atlas_ssmi.xml
> > >
> > > Take a look at these and let me know if you have any further questions.
> > >
> > > -- Jonathan Callahan
> > >
> > >
> > > PS_ We'd love to know the location of your server when you've got it up
> > > and running.
> > >
> > >
> > > Zhangfan Xing wrote:
> > >
> > > > Hi,
> > > >
> > > > I am having this problem when setting up LAS server:
> > > >
> > > > We have a 3D field of 20 years, totaling more than 10GB.
> > > > I have to split it into multiple netcdf files, due to
> > > > file size limit (of netcdf and OS filesystem) and performance issues.
> > > > Currently under LAS, for multiple data files,
> > > > a multiple sub-menu entry will
> > > > be generated under one dataset, each for one of data files.
> > > > Since these multiple data files are for only one varible,
> > > > it will be nice if only one sub-menu is generated.
> > > >
> > > > My question is:
> > > > is it possible to have only one menu entry in LAS ui
> > > > (left hand side) for one variable that are stored in
> > > > two or more netcdf files?
> > > >
> > > > Thanks
> > > >
> > > > Zhangfan
> > >
> > >
>
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