A magazine whose content does not inspire a reaction from readers is a magazine on life support. This definitely does not apply to the ACSM Bulletin. As soon as an issue comes out, I receive e-mails that to me are the barometer of the magazine’s health. more >>

SCIENCE

Landbase accuracy

by Coleen M. Johnson, Jan Van Sickle, and Milton Denny

Across the United States, the points, lines, and polygons that delineate rights-of-way and parcels within a GIS-powered landbase are at the heart of decisions that affect everything from planning to public safety. more >>

Cartographic object visualization using WPF

by Roman Dudarev

Because of the widespread use of GPS, GLONASS, and other technologies to position objects on the Earth surface, we have a unique opportunity to create digital mapping systems that can enhance the day-to-day functioning of an organization without considerable expense. Examples are vehicle tracking systems employed by public transportation agencies and medical facilities, as well as the GPS navigators used in cars. more>>

INTERVIEW

Moving but not leaving

The Bulletin interviews Josh Greenfeld

he Geographic and Land Information Society may be the youngest member organization operating within the American Congress on Surveying and Mapping, but many of its members are veterans of the community of geospatial professionals affiliated with ACSM. Josh Greenfeld, a surveyor with a GIS mission, has been a strong voice for the ACSM community and his organization, GLIS, for decades. This May, after a distinguished career as an educator at the New Jersey Institute of Technology, Greenfeld will return to Israel with his family, but he is not relinquishing the professional ties he has forged within our community. He knows the years spent in the U.S. and the people he has worked with are an indivisible part of his lifelong quest. Excerpts: more>>

LEGAL OPINION

Comptroller dragged kicking and screaming into the 21st century

by Harry D. Shapiro and Seth Groman

Until recently it was not clear whether companies operating in Maryland whose work involves geospatial data collection and analysis for mapping were engaged in a non-taxable production activity or a service. The distinction between the two classifications is significant as it affects sales and use tax treatment. more>>