Difference between revisions of "Coverage Processor for Points"
From Earth Science Information Partners (ESIP)
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{{WCS Glossary | {{WCS Glossary | ||
| − | |TermDesc= | + | |TermDesc=Retrieves data by creating an SQL query and executing it. |
| − | |Links=[ | + | |Links=[[Custom_Coverage_Processor_for_Points|Custom Coverage Processor for Points]] [[Data_Configuration_for_Points|Data Configuration for Points]] [[SQL_Database_for_Points|SQL Database for Points]] |
}} | }} | ||
| − | The Coverage Processor for points | + | The Coverage Processor for points performs three different activities: |
* WCS Query Parser. The syntax is checked and parsed into structured object. | * WCS Query Parser. The syntax is checked and parsed into structured object. | ||
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By writing a custom processor, anything can be used as a data source. | By writing a custom processor, anything can be used as a data source. | ||
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| + | [http://128.252.202.19:8080/CIRA?service=WCS&version=1.1.2&Request=GetCoverage&identifier=VIEWS&RangeSubset=SO4f&BoundingBox=-130,24,-65,52,urn:ogc:def:crs:OGC:2:84&TimeSequence=2004-08-01&format=text/csv&store=true CIRA/VIEWS SO4f] | ||
| + | |||
[[Category:StationsPoint]] | [[Category:StationsPoint]] | ||
Revision as of 09:21, September 3, 2010
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Coverage_Processor_for_Points Description: Retrieves data by creating an SQL query and executing it.
Glossary Domain: {{{Glossary Domain}}}"{{{Glossary Domain}}}" is not in the list (WCS, HTAP, AQInfrastructure) of allowed values for the "Glossary Domain" property.
Related Links
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[[Links::Custom Coverage Processor for Points Data Configuration for Points SQL Database for Points]]
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Term Details
The Coverage Processor for points performs three different activities:
- WCS Query Parser. The syntax is checked and parsed into structured object.
- SQL Query Compiler.
- Fields:
- Select required fields
- join in location table
- join in tables for fields
- Filters:
- Bounding Box: Add SQL filter by location lat and lon.
- Time: Add SQL filter by datetime.
- location: if requested, add SQL filter by location
- Fields:
- Formatter. The table data is returned in desired format. Currently the only supported is CSV, Comma Separated Values.
SQL processors can be either configured to supported DB schema types, or custom written for esoteric databases.
By writing a custom processor, anything can be used as a data source.
