DAP4: ISO 19115 Service
This service provides ISO 19115 metadata for the Dataset, if any can be found.
The ISO 19115 service is invoked by appending the suffix
.iso to the file part of the dataset's referent (aka base) URL and then dereferencing the new URL.
The request a query string (constraint expression) is not required, but if present will obey the rules for constraints as would a DAP:4 Dataset Request
The ISO 19115 response is an XML document containing ISO 19115 metadata located in the DAP4: Dataset Response.