Dataset Query Capabilities - Status

Comments to THREDDS mail list

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THREDDS Dataset Query Capabilities consists of two parts: 1) documents that are intended to describe the set of available queries for a given dataset/collection; and 2) a service that handles (returns a response to) those queries. The response is assumed to be an InvCatalog unless otherwise specified in the DQC document.

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DQC Document Definition

A DQC document describes the set of queries available for a given dataset. For instance, ...

Current Stable Release

The THREDDS DQC schema version 0.3 is available at http://www.unidata.ucar.edu/schemas/thredds/queryCapability.0.3.xsd.

Documentation

• DQC Spec
• Example DQC Document
• DQC Issues and ToDo List
• (An old doc on "DatasetChoice")

Tools

• [future?] Tool for creating DQC docs, e.g., GUI
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DQC Service

For each dataset that is described with a DQC document, a service is needed to respond to the queries allowed. The response is given in the form of a THREDDS InvCatalog document that contains the datasets that match the query.

Tools

• DqcServlet: framework for creating a service that handles DQC requests [available soon]
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Ethan Davis

Last modified: Wed Oct 8 10:34:25 MDT 2003