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Posted to dev@sdap.apache.org by "Joseph C. Jacob (Jira)" <ji...@apache.org> on 2021/09/21 03:21:00 UTC

[jira] [Updated] (SDAP-344) Add ability to read time stamp from global attributes

     [ https://issues.apache.org/jira/browse/SDAP-344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joseph C. Jacob updated SDAP-344:
---------------------------------
    Description: 
Some datasets lack a time variable and instead encode the time stamp in global attributes called time_coverage_start and time_coverage_end.  Example:
 :time_coverage_start = "2002-07-04T00:40:05.000Z";
 :time_coverage_end = "2017-08-01T03:00:00.000Z";
 The ingester needs to be able to extract a single time stamp from these attributes, using either of the attributes, or the average of both.

The ingester should read the time stamp from a granule using these 3 methods (in priority order):
 # From the time variable
 # From the global attributes (this ticket)
 # From the filename

All three were options in the old legacy ningester.

  was:
Some datasets lack a time variable and instead encode the time stamp in global attributes called time_coverage_start and time_coverage_end.  Example:
:time_coverage_start = "2002-07-04T00:40:05.000Z";
:time_coverage_end = "2017-08-01T03:00:00.000Z";
The ingester needs to be able to extract a single time stamp from these attributes, using either of the attributes, or the average of both.

The ingest should read the time stamp from a granule using these 3 methods (in priority order):
 # From the time variable
 # From the global attributes (this ticket)
 # From the filename

All three were options in the old legacy ningester.


> Add ability to read time stamp from global attributes
> -----------------------------------------------------
>
>                 Key: SDAP-344
>                 URL: https://issues.apache.org/jira/browse/SDAP-344
>             Project: Apache Science Data Analytics Platform
>          Issue Type: Task
>          Components: granule-ingester
>            Reporter: Joseph C. Jacob
>            Priority: Major
>
> Some datasets lack a time variable and instead encode the time stamp in global attributes called time_coverage_start and time_coverage_end.  Example:
>  :time_coverage_start = "2002-07-04T00:40:05.000Z";
>  :time_coverage_end = "2017-08-01T03:00:00.000Z";
>  The ingester needs to be able to extract a single time stamp from these attributes, using either of the attributes, or the average of both.
> The ingester should read the time stamp from a granule using these 3 methods (in priority order):
>  # From the time variable
>  # From the global attributes (this ticket)
>  # From the filename
> All three were options in the old legacy ningester.



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