Glossary- 

 Conversion 



Database 

 Digirizadon 



As used in this report, a computer process 

 whereby a program or data file is changed 

 so that it will run on a different computer. 



A collection of data organized for rapid 

 search and retrieval (i.e. by a computer). 



The process whereby data is converted 

 from map x,y points into a computer file 

 of x,y points through use of a hardware 

 equipment known as a "digitizer." 



iVIap Distortion The error produced when map and earth 

 coordinates do not match within a 

 specified error distance. 



Geometrical 

 Correction 



CIS 



Topographic 



A process whereby coordinates on a map 

 are adjusted to correspond to their true 

 geographic location on the earth. 



Abbreviation for Geographic Informa- 

 tion System; a system to efficiently store, 

 retrieve, manipulate, analyze and display 

 spatial data in a user specified format. 



Pertains to the configuration ofthesurface 

 of the earth (i.e. elevation, natural and/or 

 man-made features). 



