MODAPS Web Coverage Service (WCS) API
This Application Programming Interface (API) provides access to MODIS Level-1 and Atmosphere data products. The Web Coverage Service (WCS) specification is defined by Open Geospatial Consortium (OGC) and the document below provides an overview of the usage of the REST interface for MODAPS WCS. For more detailed information, or for information about using the XML request format, please refer to the WCS specification.
Sample implementation using this API are provided in the Quick Start Guide. Issues and bugs are listed at Known Issues.
Information about the production, archive and distribution of the data products in LAADS can be found at the MODAPS Services web site.
API Methods
GetCapabilities
Returns a list of coverages
Parameter Description Values service Service Type WCS version WCS service version 1.0.0 request Requested operation GetCapabilities section Desired (sub)section of GetCapabilties One of /, /WCS_Capabilities/Service, /WCS_Capabilities/Capability, /WCS_Capabilities/ContentMetadata
Return Type Description coverages XML A list of coverages, for use with other methods ( sample ).
DescribeCoverage
Returns a detailed description of a coverage.
Parameter Description Values service Service Type WCS version WCS service version 1.0.0 request Requested operation DescribeCoverage coverage The coverage you would like described coverage name, obtained from GetCapabilities
Return Type Description coverage description XML A detailed description of the coverage, providing information for use in GetCoverage ( sample )
GetCoverage
Returns coverage data
Parameter Description Values service Service Type WCS version WCS service version 1.0.0 request Requested operation GetCapabilities coverage The coverage name coverage name, obtained from GetCapabilities bbox Bounding Box Comma-delimited floats of the form: west,south,east,north time Single day YYYY-MM-DDT00:00:00, e.g. 2011-04-10T00:00:00 format Output format One of hdf4,geotiff,jpeg response_crs Coordinate reference system A valid EPSG CRS code resx Resolution width floating point degrees resy Resolution height floating point degrees [Axis Name] The name of the 3rd or 4th axis. See RangeSubset section of DescribeCoverage response for the axis name to use String of the form N/N/1, where N is the slice you want.
Return Type Description data hdf4,geotiff,jpeg,xml The requested data. Errors are in XML format.