Difference between revisions of "Configuring NILU - EBAS to WCS"
From Earth Science Information Partners (ESIP)
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The NILU - EBAS Web Coverage Service for Point Data | The NILU - EBAS Web Coverage Service for Point Data | ||
− | [http:// | + | [http://nilu.no/index.cfm?lan_id=3 Home page in English] |
− | The | + | [http://knulp.nilu.no:8080/static/NILU/ Service Page for sample of EBAS data] |
+ | |||
+ | This WCS service is a test for [http://aq-ogc-services.sourceforge.net/ aq-ogc-services] framework, serving two paramters from NILU EBAS system. The data contains some small differences compared to [http://viper.cira.colostate.edu:8080/static/CIRA/index.html CIRA/VIEWS] or [[Example_SQL_for_Stations| EPA AIRNOW]] service, which makes automatic browsing it difficult. So the datafed browser does some pre and post processing operations on it. | ||
+ | |||
+ | * The data is daily, but hour is reported at 06:00 instead of 00:00. | ||
+ | * The data has other time offsets than 06:00, like 08:00 | ||
+ | * Missing data is expressed as NULL, 99.999, 999.99 or 99.99 | ||
+ | |||
+ | These differences are adapted by installing the following routines: | ||
+ | |||
+ | * DescribeCoverage time dimension is changed from 06:00 offset to 00:00 offset | ||
+ | * Before querying data, the url parameter TimeSequence=2009-01-01T06:00:00 is changed to TimeSequence=2009-01-01T00:00:00/2009-01-01T23:00:00 to query data on any hour of one day. | ||
+ | * Resulting rows are filtered by missing data codes. | ||
+ | * Resulting datetimes are normalized to 00:00 |
Revision as of 11:59, July 11, 2011
The NILU - EBAS Web Coverage Service for Point Data
Service Page for sample of EBAS data
This WCS service is a test for aq-ogc-services framework, serving two paramters from NILU EBAS system. The data contains some small differences compared to CIRA/VIEWS or EPA AIRNOW service, which makes automatic browsing it difficult. So the datafed browser does some pre and post processing operations on it.
- The data is daily, but hour is reported at 06:00 instead of 00:00.
- The data has other time offsets than 06:00, like 08:00
- Missing data is expressed as NULL, 99.999, 999.99 or 99.99
These differences are adapted by installing the following routines:
- DescribeCoverage time dimension is changed from 06:00 offset to 00:00 offset
- Before querying data, the url parameter TimeSequence=2009-01-01T06:00:00 is changed to TimeSequence=2009-01-01T00:00:00/2009-01-01T23:00:00 to query data on any hour of one day.
- Resulting rows are filtered by missing data codes.
- Resulting datetimes are normalized to 00:00