CALIFORNIA INSTITUTE OF TECHNOLOGY – Geographic Information Systems Laboratory – Division of Geological and Planetary Sciences – GIS Acronyms

GIS Acronyms

– 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 –

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