DataFed Server

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ESIP Wb services Page

Contents 1 Data Access Services 1.1 OGC Web Coverage Service 1.2 Examples: 1.2.1 SOAP and HTTP-POST query

[edit] Data Access Services

The DataFed data access mediator exposes the contents through three different protocols: (1)WCS, (2) HTTP Post (3) SOAP

[edit] OGC Web Coverage Service

This protocol is pased on simple HTTP Get access. The additional OGC Web Coverage Service provides the strong typing and the semantics for the query.

Data discovery is through the server-advertised getCapabilities query Data binding is acomplished through describeCoverage and getCoverage queries.

In DataFed there are three internal data types: Point, Image, Grid. For each of these types, there is a set of optional output formats shown in the table:

[edit] Examples:

Point

WCS DescribeCoverage

WCS GetCoverage

Image

DescribeCoverage

GetCoverage

Grid

DescribeCoverage90,180,90,0,18000&WIDTH=40&HEIGHT=20&format=NetCDF&TIME=2005-12-05T00:00:00 GetCoverage]

[edit] SOAP and HTTP-POST query

HTTP-POST is supported.

[http://webapps.datafed.net/ogc.wsfl?service=wcs&Version=1.0.0&Request=GetCoverage&Coverage=THREDDS_GFS.T&CRS=EPSG:4326&BBOX=-180,- SOAP is supported by wrapping post query to in soap envelope. ] WSDL