MD DigitalTransferOptions

MD_Distribution

mrd:MD_DigitalTransferOptions

Technical means and media by which a resource is obtained from the distributor

Elements			Domain	Definition and Recommended Practice	Examples
1	mrd:unitsOfDistribution	0..1	gco:CharacterString	Tiles, layers, geographic areas, etc. in which the data is available.
2	mrd:transferSize	0..1	gco:Real	Estimated size of the transfer unit in the specified format, expressed in megabytes. This information is not usually available for resource collections that have variable options for download.
3	mrd:onLine	0..*	cit:CI_OnlineResource	Information about the online access locations where the resource may be obtained. Use functionCodes: 'download' for direct access, 'search' for discovery environments and 'order' for ordering environments.	onLine: (CI_OnlineResource) linkage: http://www.ngdc.noaa.gov/dem/squareCellGrid/getArchive/592?gridFormat=ESRI+Arc+ASCII name: Bar Harbor, Maine Coastal Digital Elevation Model ASCII DEM description: Download DEM, metadata and readme file. function: (CI_OnLineFunctionCode) download
4	mrd:offLine	0..*	mrd:MD_Medium	Information about the offline distribution media.
5	mrd:transferFrequency	0..1	gco:TM_PeriodDuration	Rate of occurrence of distribution
6	mrd:distributionFormat	0..*	mrd:MD_Format	Format of distribution

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