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[THREDDS #KPZ-519093]: THREDDS - Use of THREDDS for next generation GOES

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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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 #KPZ-519093]: THREDDS - Use of THREDDS for next generation GOES
  • Date: Thu, 20 Jul 2006 13:01:37 -0600
Hi Dan,

> 1. THREDDS is a servlet that runs on Tomcat.  It isn't broken up into 2
> pieces one for the interface, one for the data cataloging and distribution,
> correct?

The THREDDS Data Server (TDS) is a single web application (set of servlets)
that runs under Tomcat. It includes the HTML interface, the data cataloging,
and various data distribution services. 

> 2. THREDDS can be made aware of data by supplying it NcML documentation in
> the form of NetCDF ML?

The TDS is made aware of datasets through a set of configuration catalogs.
There is more information available on the details of the config files from
our TDS documentation at http://motherlode.ucar.edu:8080/thredds/docs/.

Generally NcML documents are not required. NcML is mainly used for defining
aggregations of datasets.

> 3. How would one remove a data reference from the catalog?

There are filtering mechanisms in the TDS configuration files that can be
used to screen out certain files so they are not visible via the TDS. More
on this at http://motherlode.ucar.edu:8080/thredds/docs/datasetScan/index.html,
see the section "Including Only the Desired Files".

> 4. If THREDDS is a servlet than Tomcat needs to be running in a location
> where the data can be access via local file references?

Currently, that is correct.

Ethan

Ticket Details
===================
Ticket ID: KPZ-519093
Department: Support THREDDS
Priority: Urgent
Status: Open