Data Integrity Factors Affecting the Construction of the Mapping, Charting, and Geodesy Data Base

摘要

Numerous data integrity problems were encountered while processing the digitized map data used for the research task, An Image Based Approach to Mapping, Charting, and Geodesy (JPL Task No. RD-182, Amendment 125). Those problems were not fully addressed within an earlier document (JPL Internal Document 715-153, 1982) describing the Mapping, Charting, and Geodesy (MC&G) project. Increased interest in those problems has prompted the completion of this separate report. In this document, specific data integrity problems are analyzed and methods for their solution are described. Although many of the problems described herein are project specific, this document contains information which could be useful to data base specialists who are concerned with data integrity problems associated with building large cartographic data bases.