[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[THREDDS #KBG-661770]: TDS V4

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: [THREDDS #KBG-661770]: TDS V4
  • Date: Thu, 18 Nov 2010 17:22:19 -0700
Also, what exact version of the TDS are you using?

> Hi Alex,
> 
> This is the joinExisting aggregation on time listed below?
> 
> I'm not sure if there is a way to configure the aggregation so the time 
> coordinate is not converted to ISO string values. I'm guessing not but I will 
> double check.
> 
> Can you send us some example datasets so we can look into why the time 
> dimension is not the right size?
> 
> Ethan
> 
> 
> Alex Jaramillo wrote:
> > I updated my TDS server to V4 and I noticed that the time stamp is being
> > formatted from EPOCH to an ISO string "1998-02-01T00:00:00Z" and the
> > number of elements in the aggregation greatly reduced an aggregation
> > of ~32 monthly files, which should have a few thousand samples is being
> > reduced to arrays of data with 32 elements, is there a configuration I
> > should be aware of?
> >
> > Alex Jaramillo
> > NANOOS
> >
> >
> > From: "Alex Jaramillo" <address@hidden>
> > To: address@hidden
> > Sent: Tuesday, November 16, 2010 10:47:04 AM
> > Subject: Adding dimension
> >
> >
> > Hi I have a question regarding NcML and THREDDS. I've seen that using NcML 
> > is possible to add
> > variables and even modify the "clients" view of a NetCDF file and I was 
> > wondering if it is possible
> > to add dimensions to a NetCDF aggregation using NcML.
> >
> > My particular case is an aggregation of observational data in THREDDS, 
> > these files are aggregated on
> > time and work fine, but I'd like to add "elevation", "latitude", and 
> > "longitude" dimensions. The resulting
> > aggregation has one dimension "time" and "water_salinity", 
> > "water_temperature" variables.
> >
> > The following is the catalog I'm using:
> >
> > <?xml version="1.0" encoding="UTF-8"?>
> > <catalog name="THREDDS Server Default Catalog : You must change this to fit 
> > your server!"
> > xmlns="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0";
> > xmlns:xlink="http://www.w3.org/1999/xlink";>
> > <service name="ncdods" serviceType="OpenDAP" base="/thredds/dodsC/" />
> >
> > <dataset name="Astoria Meglar Bridge South Channel (ODOT pier 169)" 
> > ID="am169" urlPath="am169_aggregation.nc">
> > <serviceName>ncdods</serviceName>
> > <netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2";>
> >
> > <!-- Non working part
> > <dimension name="lon" length="1"/>
> > <variable name="lon" shape="lon" type="double">
> > <values>46.5</values>
> > </variable> -->
> >
> > <aggregation dimName="time" type="joinExisting" >
> > <scan 
> > location="/home/workspace/ccalmr/data/nc/PD0/stations/am169/am169.1100.A.CTD/"
> >  dateFormatMark="#yyyyMM" suffix=".nc" />
> > </aggregation>
> >
> > <remove name="water_electrical_conductivity" type="variable" />
> > <remove name="water_pressure" type="variable" />
> > <remove name="elevation" type="variable" />
> > </netcdf>
> > </dataset>
> >
> > </catalog>
> 


Ticket Details
===================
Ticket ID: KBG-661770
Department: Support THREDDS
Priority: Normal
Status: Closed