Abstract

AbstractProduct conformance is the process of testing a product against a published set of rules. The application of this to spatial data is to national standards for the transfer of spatial data, such as British Standard 7567, or NTF. Syntactic conformance studies the detailed content of the spatial data set. We have studied the syntactic conformance of various Ordnance Survey products with BS7567. Data model conformance deals with the logical relationships between different features in the transfer set, and whether these are portrayed according to the standard. We look at the Ordnance Survey's Boundary Line product. This is supplied in Level 3 of BS7567: an alternative approach allowing the product to be transfered at Level 4 is suggested.

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