Geographic Information Systems Laboratory

– A –

ASCII – American Standard Code for Information Interchange

ASPRS – American Society for Photogrammetry and Remote Sensing

ASTER - Advanced Spaceborne Thermal Emission and Reflection Rasiometer

– B –

– C –

CaSIL - California Spatial Infomration Library

CAD – Computer-Aided Design

CADD – Computer Aided Drafting and Design

COGO - coordinate Geometry

– D –

DBF - Data Base File

DEM – Digital Elevation Model

DLG - Digital Line Graph

DO(Q)Q – Digital Ortho(quarter)quads

DRG – Digital Raster Graphic

DTM – Digital Terrain Model

DWG - AutoCad drawing format

– E –

EOS – Earth Observing System

EPA – Environmental Protection Agency

EPS - Encapsulated Postscript file

ERDAS Earth Resources Data Analysis System

ESRI – Environmental Systems Research Institute

– F –

FGDC – Federal Geographic Data Committee

– G –

GIF - Graphic Interchange Format

GIS – Geographic Information Systems

GML – Geography Markup Language

GOES – Geostationary Operational Environmental Satellites

GPS – Global Positioning Systems

GUI – Graphical User Interface

– H –

HTML - Hyper Text Markup Language

– I –

IFSAR Inter-ferometric Synthetic Aperture Radar

InSAR Interferometric Synthetic Aperture Radar

IT – Information Technology

– J –

JPG - Joint Photographic Experts Group

– K –

KML – Keyhole Markup Language

– L –

LANDSAT - Land Satellite

LiDAR – Light Detection and Ranging

– M –

– N –

NAD 27 - North American Datum of 1927

NAD 83 - North American Datum of 1983

NADCON - North American Datum Conversion (NGS)

NMAS – National Map Accuracy Standards

NOAA – National Oceanic and Atmospheric Administration

NSDI – National Spatial Data Infrastructure

NSPS – National Society of Professional Surveyors

– O –

OGC – Open Geospatial Consortium

OS – Operating System

– P –

PDA – Personal Digital Assistants

PDF - Portable Document Format

PNG - Portable Network Graphic

– Q –

QA/QC – Quality Assurance/Quality Control

– R –

RADAR - Radio Detecting and Ranging

RDBMS – Relational Database Management Systems

– S –

SBN - Shapefile that stores spatial index of features

SBX - Shapefile that stores spatial index of features

SEASAT - Sea Satellite (U.S.)

SHP - Shapefile that stores spatial data

SHX - Shapefile that stores the index of feature geometry

SPOT – Système Pour l’Observation de la Terre

– T –

TIFF – Tagged Image File Format

TIN – Triangular Irregular Networks

– U –

URISA – Urban and Regional Information Systems Association

USGS – United States Geological Survey

UTM – Universal Transverse Mercator

– V –

– W –

WAAS - Wide area augmentation system (or sites)

WGS 84 - World Geodetic System of 1984

WWW – World wide web

– X –

XML – eXtensible Markup Language

– Y –

– Z –