Difference between revisions of "Coverage Processor for Cubes"
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{{WCS Glossary | {{WCS Glossary | ||
| − | |TermDesc=This component | + | |Glossary Domain=WCS |
| − | |Links=[[ | + | |TermDesc=This component extracts a subset of out of a [[NetCDF-CF|netCDF-CF]] cube file. It finds the source file, reads the requested subset, and writes that into a netCDF-CF file. The output looks exactly like the original file, except it is a filtered subset. Used in [[WCS_GetCoverage_Query|WCS GetCoverage Query]]. |
| + | |Links=[[NetCDF-CF]] [[WCS_GetCoverage_Query|WCS GetCoverage Query]] | ||
}} | }} | ||
| − | |||
The Coverage Processor is a component that performs two different activities: | The Coverage Processor is a component that performs two different activities: | ||
* 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. | ||
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** 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 or elevations. | ** By dimension: Select only one or some wavelengths or elevations. | ||
| − | ** Write the result into a NetCDF-CF cube. | + | ** Write the result into a [[NetCDF-CF|netCDF-CF]] cube. |
| − | Currently there is no formatter, the only supported output is | + | 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] | ||
Latest revision as of 09:13, September 6, 2010
< Back to Glossary | Edit with Form
Coverage_Processor_for_Cubes Description: [[TermDesc::This component extracts a subset of out of a netCDF-CF cube file. It finds the source file, reads the requested subset, and writes that into a netCDF-CF file. The output looks exactly like the original file, except it is a filtered subset. Used in WCS GetCoverage Query.]]
Glossary Domain: WCS
Related Links
Links to this page
[[Links::NetCDF-CF WCS GetCoverage Query]]
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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.
