DAP4: XML Data Service
Return requested data in an XML document.
The XML Data Service is invoked by appending the suffix
.xdap to the file part of the dataset's referent (aka base) URL and then dereferencing the new URL. The XML Data Service accepts an optional query string (constraint expression), If present a query string (constraint expression) will be handled as it would for Data Service request.
This service provides data responses in XML format. When invoked the constrained Dataset response document (DDX) will be marked up with the data values of the request and returned. Large requests may be denied.