A Geocoding Primer

Wednesday May 31st 2000
Filed Under ArcView 3x, Features, GIS Techniques, Learning GIS 

Geocoding is a method of deriving spatial coordinates for tabular data stored in an addressable form. A manual equivalent is using pushpins to highlight locations on a map. GIS applications utilize an algorithmic matching method to automate such an effect. Read more

Thirty Tips and Tricks for Programming in Avenue

Wednesday May 17th 2000
Filed Under Avenue 

Some tips and tricks for customizing ArcView 3x using Avenue Read more

U.S. discontinues selective availability of GPS to public

Tuesday May 02nd 2000
Filed Under Features, GPS 

PETERSON AIR FORCE BASE, Colo. (AFPN) — The White House announced May 1 the United States will discontinue “selective availability” of the global positioning system signals available to the public. SA is the intentional degradation of signals transmitted by Navstar GPS satellites, providing civilian users with accuracy less than what’s used by the military. With the removal of SA, GPS accuracy improves up to tenfold, according to Air Force Space Command officials. The new policy went into effect immediately. Read more

Geodatabases Explored - Vector and Raster Data

Monday May 01st 2000
Filed Under Data, Features, Learning GIS 

A geodatabase is a database that is in some way referenced to locations on the earth. Coupled with this data is usually data known as attribute data. Attribute data generally defined as additional information, which can then be tied to spatial data. Read more