[webservices] New ws-bulkdataselect revision released

[Chad Trabant]

Hello webservice users,

The DMC has updated it's ws-bulkdataselect service: http://www.iris.edu/ws/bulkdataselect/

The new version adds two optional query parameters:

minimumlength
   Enforce minimum segment length (seconds).
   Only time-series segments of this length or longer will be returned.

longestonly
   If specified, only the longest continuous segment for each channel is
   returned.

These new parameters can be used to reduce or avoid receiving data containing gaps.

The command line FetchBulkData client script that uses this service to request data has been updated with options to specify these new parameters, the latest client scripts are available here:
http://www.iris.edu/ws/wsclients/

Usage details: like the quality parameter, the two new parameters may be specified in the main selection list or separately as post parameters.

For example, this selection will return only the longest data, that is at least one day (86400 seconds) long:

minimumlength 86400.0
longestonly
TA A25A -- BHZ 2010-084T00:00:00 2010-091T00:00:00
TA A25A -- BHE 2010-084T00:00:00 2010-091T00:00:00

regards
Web services team.

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