A quality assurance-oriented approa...

A quality assurance-oriented approach helped San Francisco thorough a basemap development project, normally a time-consuming proces in les than a year.

Prior to computer basemap digitization, surveying and mapping of parcels, ways and highways, sewer lines, bridges and buildings meant many hours of legwork and hillocks of paperwork.

Today, with orthophotos and cadastral and graphic concerns visual detailing of city and shire data takes on a whole recent look. And, this technology means that anticipating and documenting discrepancies between paper-based maps and digital tiles is easier and can make secure that the project will be complet onward time -- if not early -- with fewer errors and headaches.

San Francisco complet the digitization phase of an ambitious GIS basemap exhibition project in August 1996. The digitization and file conversion work, normally an incredibly time-consuming proces was accomplished in les than a year. City administrators credit the project's rapid turnaround to