Difference between revisions of "Coverage Processor for Cubes"
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{{WCS Glossary | {{WCS Glossary | ||
− | |TermDesc= | + | |TermDesc=Locates the [[NetCDF-CF|NetCDF-CF]] file that contains the coverage, then extracts the requested subset and writes that into a NetCDF-CF file. Used by [[WCS_GetCoverage_Query|WCS GetCoverage Query]] for cube data. |
− | |Links=[[NetCDF-CF|NetCDF-CF]] [[WCS_GetCoverage_Query|WCS GetCoverage Query]] [[Data_Configuration_for_Cubes|Data Configuration | + | |Links=[[NetCDF-CF|NetCDF-CF]] [[WCS_GetCoverage_Query|WCS GetCoverage Query]] [[Data_Configuration_for_Cubes|Data Configuration for Cubes]] |
}} | }} | ||
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* WCS Query Parser. The syntax is checked and parsed into a structured object. | * WCS Query Parser. The syntax is checked and parsed into a structured object. | ||
* Subsetter. This component finds the desired coverage and applies filters to read a subset of the data: | * Subsetter. This component finds the desired coverage and applies filters to read a subset of the data: | ||
+ | ** Coverage: Locate the source file. | ||
** Fields: A client querying wind data may be interested in speed and direction, but reject air pressure. | ** Fields: A client querying wind data may be interested in speed and direction, but reject air pressure. | ||
** Bounding Box: restrict response to certain geographical area. | ** Bounding Box: restrict response to certain geographical area. | ||
** Time: Default time, One time, list of times, periodic range of times. | ** Time: Default time, One time, list of times, periodic range of times. | ||
** Grid size and interpolation: High resolution data can be interpolated to lower resolution. | ** Grid size and interpolation: High resolution data can be interpolated to lower resolution. | ||
− | ** By dimension: Select only one or some wavelengths | + | ** By dimension: Select only one or some wavelengths or elevations. |
− | ** | + | ** Write the result into a NetCDF-CF cube. |
− | Currently there is no formatter, the only | + | Currently there is no formatter, the only supported output is NetCDF-CF. The NetCDF-CF based processor is completely generic for any compatible netCDF-CF file. |
[http://128.252.202.19:8080/NASA?service=WCS&version=1.1.2&Request=GetCoverage&identifier=modis4&BoundingBox=-95,24,-75,40,urn:ogc:def:crs:OGC:2:84&TimeSequence=2010-04-09&format=image/netcdf&store=true NASA Modis4 slice] | [http://128.252.202.19:8080/NASA?service=WCS&version=1.1.2&Request=GetCoverage&identifier=modis4&BoundingBox=-95,24,-75,40,urn:ogc:def:crs:OGC:2:84&TimeSequence=2010-04-09&format=image/netcdf&store=true NASA Modis4 slice] |
Revision as of 10:53, September 3, 2010
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Coverage_Processor_for_Cubes Description: [[TermDesc::Locates the NetCDF-CF file that contains the coverage, then extracts the requested subset and writes that into a NetCDF-CF file. Used by WCS GetCoverage Query for cube data.]]
Glossary Domain: {{{Glossary Domain}}}"{{{Glossary Domain}}}" is not in the list (WCS, HTAP, AQInfrastructure) of allowed values for the "Glossary Domain" property.
Related Links
Links to this page
[[Links::NetCDF-CF WCS GetCoverage Query Data Configuration for Cubes]]
Contributors
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History
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Term Details
The Coverage Processor is a component that performs two different activities:
- WCS Query Parser. The syntax is checked and parsed into a structured object.
- Subsetter. This component finds the desired coverage and applies filters to read a subset of the data:
- Coverage: Locate the source file.
- Fields: A client querying wind data may be interested in speed and direction, but reject air pressure.
- Bounding Box: restrict response to certain geographical area.
- Time: Default time, One time, list of times, periodic range of times.
- Grid size and interpolation: High resolution data can be interpolated to lower resolution.
- By dimension: Select only one or some wavelengths or elevations.
- Write the result into a NetCDF-CF cube.
Currently there is no formatter, the only supported output is NetCDF-CF. The NetCDF-CF based processor is completely generic for any compatible netCDF-CF file.