Glossary for Geospatial Science
Technical vocabulary defined by MicroImages
AAT
absolute colorimetric rendering
accelerator
accuracy
active area
active element
additive color
addressable space
aerial photograph
affine
agronomy
airphoto
airslide
airvideography
airvideo image
albedo
algorithm
aliasing
allocation
alphabetic
AM/FM
analog
angiogram
angle impedance
anisotropy
ANSI
antarctic circle
anti-aliasing
API
APPLIDAT
arbitrary georeference
archive
ARC/INFO
ARC/INFO extent file
arcsecond
arctic circle
arrow glyph
ASCII
ASCII file
ASCS
aspect
aspect ratio
assignment statement
attribute
attribute table
AutoCAD
autocorrelation
AVHRR imagery
AVIRIS imagery
azimuth
azimuth angle
azimuthal projections
azimuth spacing
backup
band or spectral band
band interleaved
band mapping
band trailer bytes
band variance
bandwidth
barrier
batch
batch
bathymetry
baud rate
B�zier curve
bilinear interpolation
binary
binary raster object
biomass or total biomass or total plant material
bit
bitmapped font
bits per pixel or pixel depth
BLM
BLOB
block
block insertion element
board or interface board
Boolean expression
Boolean operators
boxcar classification or boxcar interpretation
box cursor or location box
breakline
brightness
BSpline�
bubble
buffer
buffer zone
bug
building points
bus
button
B/W photo, B/W image, B/W display, or B&W
byte
byte-oriented or 8-bit raster object
C and C++
CAD
cadastre
CAD Editor
CAD object
calibrate or cell size calibration
calibrated image map
cap style
capacity
Cartesian coordinate system
capture
cartography
CartoScript
cascade button
cascading menu
categorical data
category
CAT scan
CCITT Comit� Consultatif Internationale de T�l�graphique et T�l�phonique (International Telegraph and Telephone Consultative Committee)
CD-R
CD-ROM
CD-RW
cell
cell size
cell size calibration
center
central meridian
centroid
CGA
CGI
CGM
change image
character
check button
chip
CIR image
class
classification
class list
client/server
clip
clip art
clump
clustering
cluster labeling
cluster map
CMY or Cyan-Magenta-Yellow
CMYK or Cyan-Magenta-Yellow-Black
CMYKcm
codec
coextensive
COGO
color balancing
color compression
color depth or pixel depth
color-infrared (CIR)
color map or color table
color palette editor
color separation
column
command
command prompt
component
compose sequence
composite color raster object
composite color video
computed field
conflation
conic projections
context
continuous data
continuum
contour map
contours
contrast
contrast table
control panel or panel
control point
control point list
controls window
convolution
co-occurrence raster
coordinate
coordinate system
coprocessor
coregistration
correlation
correlation points
cost raster
coverage file
CPU
CRT
cross validation
cubic convolution or cubic interpolation
cursor
cursor hot spot
cylindrical projections
Cyrillic
dangling line
database form
database object or dBASE object
database query
data mask
DataTip
datum
daughter object
decibel rasters
decision rule
DCW
defaults
degree or �
Delaunay criterion
DEM
demand
dendrogram
densification
depression
depressionless raster
destripe
developable surface
device independent
DGIS
diacritic
dialog box
diapir
digital
Digital Elevation Model
Digital Terrain Model
digitize
digitizer
digraphia
dimensionality
dimensional reduction
dimmed selection
directory or sub-directory
discrete values
disk drive
displacement
display
display board or display card
display group
display histogram
display layout
Display Manager
display monitor or display screen
dissolve
distance raster
dither pattern or dithering
dithered raster
DLG
DMA
double precision
DOS
dpi
drag
drag bar
drape object
drawing order
drawing style
driver
dropout
DTM
DVD
DXF
easting
edge conditions
EGA
elgenvalues
eigenvectors
EISA
ELAS
elastic box
elastic circle
elastic line
electromagnetic spectrum
electronic atlas
element
element
ellipsoid
EO cartridge
EO drive
EOS
epidemiology
epipolar
EPPL7
EPS
EPSG
equalized histogram
equator
erasable optical cartridge or EO cartridge
erasable optical drive or EO drive
ERDAS
escape code
Ethernet
euclidean distance
exabyte, Ebyte, or EB
expansion slot
explicit destruction
exporting vector or raster objects
expression
extents
external database file
external program
external raster
extrema points
false easting
false northing
far range
FFT or Fast Fourier Transform
feathering
feature
feature class
feature mapping
feature space
feature type
fiducial marks
field
field
field
field of view
figure-ground separation
file
file format
fill color
fill pattern
film recorder
filtering
FIPS code
flat
flight path
floppy disks, floppies, diskettes, or flexible disks
flow accumulation
flow direction
flow path
flow path raster
flow path seed point
focal length
folder
font
font set
foreign key
form
format
Fourier transform
frame
frame
framegrabber and framegrabbing
frequency transform
fuzzy C-means
GAC
gadget
gap
GEM
genlock
geocatalog
geocoding
geodesy
geoid
geometric transformation (or rectification)
georeference or geographic calibration
georeferenced image map
geospatial intelligence
GIF
gigabyte, Gbyte, or GB
GIS
global variable
glyph
gnomonic projection
GPIB
GPS
gradient filtering
Grain Shape Index
GRASS
graticule
gray out
graytone or grayscale
graytoned image or raster
great circle
greeking
green biomass or phytomass
greenness
ground control
ground range
ground resolution
ground truth
group or display group
group list
GUI
handles
Hangul
hanzi
hardcopy layout
hard disk or hard drive
hardware key or software license key
hatch pattern
HBS
HelpTip
HI
high-boost filter
highlight
high-order characters
high-pass filter
hiragana
HIS
histogram
home range
horse latitudes
hot spot
HPGL
HTTP
hue
hull
hydrography
HyperIndex� or HI
hyperspectral image
hyperspectral object
hypsography
ICC
ICM
icon
icon button
ideograph
IDIMS
IEEE
IETF
Ikonos satellite
image
image map or georeferenced image map
impedance
impedance limit
implied georeference
importing vector, CAD, or raster objects
index
index areas
infinite loop
INFO
input redistribution
integer
intensity
interactive line-following
interface
interface board or interface card
interlaced video
internal database
internal tables
internationalized X application
Internet
interpolation
interpretation
interpreted programming language
intersection
inverse distance
ISA
ISO
ISO 10646
ISODATA
isoline
item
Java
JavaScript
JPEG
jumper
K or KB
kana
kanji
katakana
Kauth�s Tasseled Cap or Kauth�s greenness / brightness / wetness
key field
kilobyte
K-means
Kuan (Adaptive Noise Smoothing) filter
Kuan (MAP)
label
label
label
labeling
LAI
LAN
land cover
Landsat satellite
LAS
lateral connections
Latin alphabet
Latin-1
latitude
layer
layer list
leaf area index� or LAI
least squares
legend
LegendView
level
limit line
line
linear contrast
linear transform
line element
line pattern
link
link
list box
local variable
locale
localization
longitude
look angle
loop, infinite
low-pass filter
LSCV
manifold
MAP-BASE
mapping unit
map projection
map quadrangle or map quad
map scale
map scale control
marking features
mark
mashup
mask or data mask
matte
maximum-likelihood classification
maximum movement for steadiness
MCA
megabyte, Mbyte, or MB
menu
menubar
meridian
message box
MI
MICROPIPS
MIDI
MIME
minimum distribution angle
min/max box
minute or '
MIPS
miter
mnemonic
model area
MODIS
monochrome image
morphological analysis
mosaic
MOSS
motherboard
mouse
mouse cursor
mouseover highlight
mouse pointer
MRI
ms (millisecond)
MSS
multi-byte strings
multi-frame capture
multilingual application
multiple raster set
multisensor images
multispectral images
multitemporal images
multivariable images
multivolume project file
nadir
NAPP airphotos
NASA
navigation
ND, ND6 and ND7
near range
nearest neighbor sampling/interpolation
neatline
nested folders
Network Analysis
NGA
NHAP airphotos
NIMA
nibble
NOAA
node element
nominal image map
non-interlaced video
normalized contrast
Normalized Difference
normalized histogram
northing
NRCS
NTSC video
null value
number of weighted runs
NWI
object
OCR
ODBC
OGC
on-the-fly labels
opaque color
open reel tape
operand
operator
optical disk
optimization
optimization table
option
option button
Oracle Spatial
origin (X-Y digitizer)
orthoimage
orthophoto
orthovideo
outliers
outline font
outline highlight or location box
out-of-gamut colors
overlay
overshoot
OWS
page layout
PAL
pan
panchromatic image
pane
panel
panoramic
parallax
parallel
parallelepiped classifier or decision rule
parallel port or parallel interface
parallel projection
parallels
parent object
Paris classification
path
PC ARC/INFO
PC ARC/INFO coverage file
PCIPS
PC-8
pen
pen plotter
perceptual rendering
peripheral device
perspective projection
petabyte, Pbyte, or PB
photogrammetry
photointerpretation
physiographic
pictograph
picture element or pixel
piecewise affine
Pinyin
pixel or picture element
pixel depth or color depth
planimeter
planimetric map
PNG
point element
pointing device
point size
polygon element
popup menu
port
PostScript�
pour point
primary key
primary object
Prime Meridian
principal components
principal point
printel
print-file
print-raster object
probability
processing mask
processing raster(s)
profile
profile format files
Project File
projection or map projection
prompt
prototype or training set
prototype cell or training cell
proximity map
pseudo-color image
puck
pulldown menu
push button
quad, quadrangle, map quad or map quadrangle
Quadratic BSpline
quadtree
quantization
query
radar image
radiance
radio button
RAM
RAM disk
range extraction
raster or raster object
raster algebra
raster cell
raster space
ray-casting
RDBMS
record
rectification
reference image
region
region of interest
registration
registry
regression line
relative colorimetric rendering
relief
render
rendering intent
reproject
resample
residual
resize
resolution
resolution
restitution
RGB
RGBB
RGBI
RGB set
RGB video
RMBM
root table
root window
row
RPC
RS-170 video
rubbersheeting
run-length encoding
RVC file
RVF file
samples
sample set
sampling
SAR
sash
saturation
saturation rendering
scalar
scale bar
scale-lock
scale value
scanner
scatterplot
script
scroll
scroll bar
SCS
SCSI port
seam
SECAM
sections of land
seed point
segment
select
select button
selection box
selection highlight
selection query
selection set
semivariance
semivariogram
separator
serial port
serpentine order
shaded relief
shape object
shear
shift sequence
slant range
slider
sliver polygon
slope
smart line following
SML
soil association
soil complex
soil group
soil mapping unit
soil phase
soil profile
soil series
solid modeling
spaghetti digitizing
SPANS
spatial
Spatial Manipulation Language
speckle
spectral band or spectral region
spheroid
spline
SPOT
spread
sRGB
spur
SQL
stack
stack profile
standard lossless
standard parallel
standard 64 annotation colors
State Plane Coordinate System or SPCS
stepwise linear classification
stereo elevation
style query
stop
Sub-extremum
subobject
subtractive color
subwindow
Suits� Maximum Relative classification
Suits-Wagner classification
supervised classification
surface fitting
surface object
SVG
SVHS video
symbol hot spot
symbol overlay
symmetric minima
synthetic resolution
tab group
table
tag
tail
TARGA file
TCP/IP
template
terabyte, Tbyte, or TB
terrain
terrain scene
Terra-Mar
text
text cursor
text field
text monitor or text screen
text object
texture
theme
theme map
Thiessen polygons
thinning
thinning
threshold
thresholding
tick mark
tie point
TIFF
TIGA
TIGER files
tiles
tileset
tiling
TIN Densification
TIN elements
TIN object
title bar
TM
TMS file
TNTatlas�
TNTedit�
TNTmips�
TNTmips� Basic
TNTmips� Free
TNTview�
toggle button
toolbar
ToolTip
topographic map or topo map
topography
topology or vector topology
topology errors
trace
training set� or prototype
transcoder
transfer rate
Transformed Vegetation Index
translation curve
transliterate
transparent color
transparent patterns
trend
tropic of Cancer
tropic of Capricorn
true scale
TSR
TVI
TYDAC
underlay
undershoot
Unicode
union
unsupervised classification or automatic interpretation
URL
USB
USDA
USDI
USF&WS
USGS
UTM
variable
variogram
vector
vector element
vector format
vectorize
vector object
vector topology
vector units
vegetation index
VersaCAD
vertex
VESA
VGA
VHS
video capture
video digitizing board
video field
video frame
view
view canvas
viewshed
view window
vignetting
virtual display
virtual field
virtual process
VMap0
volume
VPF
VQ Filtering
warping
watershed
watershed basin raster
watershed seed point
waypoint
WCS
website
Web Map Service
Web Terrain Service
wetness
WFS
widget
window family
window list
window manager
wireframe
WMMR-MED
WMS
WORM drive
W3C
WTS
X client
X display
X font
Xlib
XML
XNP
X server
Xtoolkit or Xt Intrinsics
X Window System
X-Y digitizing tablet
yottabyte, Ybyte, or YB
zettabyte, Zbyte, or ZB
Zoom Transfer Scope or ZTS
16-bit raster object
2D histogram
24-bit raster object
3D surface modeling
3DMax�
3D scene
4-bit raster object
5-5-5 composite color conversion method
64 standard annotation colors
7.5' map
8-bit context
8-bit raster object
absolute colorimetric rendering
accelerator
accuracy
active area
active element
additive color
addressable space
aerial photograph
affine
agronomy
airphoto
airslide
airvideography
airvideo image
albedo
algorithm
aliasing
allocation
alphabetic
AM/FM
analog
angiogram
angle impedance
anisotropy
ANSI
antarctic circle
anti-aliasing
API
APPLIDAT
arbitrary georeference
archive
ARC/INFO
ARC/INFO extent file
arcsecond
arctic circle
arrow glyph
ASCII
ASCII file
ASCS
aspect
aspect ratio
assignment statement
attribute
attribute table
AutoCAD
autocorrelation
AVHRR imagery
AVIRIS imagery
azimuth
azimuth angle
azimuthal projections
azimuth spacing
backup
band or spectral band
band interleaved
band mapping
band trailer bytes
band variance
bandwidth
barrier
batch
batch
bathymetry
baud rate
B�zier curve
bilinear interpolation
binary
binary raster object
biomass or total biomass or total plant material
bit
bitmapped font
bits per pixel or pixel depth
BLM
BLOB
block
block insertion element
board or interface board
Boolean expression
Boolean operators
boxcar classification or boxcar interpretation
box cursor or location box
breakline
brightness
BSpline�
bubble
buffer
buffer zone
bug
building points
bus
button
B/W photo, B/W image, B/W display, or B&W
byte
byte-oriented or 8-bit raster object
C and C++
CAD
cadastre
CAD Editor
CAD object
calibrate or cell size calibration
calibrated image map
cap style
capacity
Cartesian coordinate system
capture
cartography
CartoScript
cascade button
cascading menu
categorical data
category
CAT scan
CCITT Comit� Consultatif Internationale de T�l�graphique et T�l�phonique (International Telegraph and Telephone Consultative Committee)
CD-R
CD-ROM
CD-RW
cell
cell size
cell size calibration
center
central meridian
centroid
CGA
CGI
CGM
change image
character
check button
chip
CIR image
class
classification
class list
client/server
clip
clip art
clump
clustering
cluster labeling
cluster map
CMY or Cyan-Magenta-Yellow
CMYK or Cyan-Magenta-Yellow-Black
CMYKcm
codec
coextensive
COGO
color balancing
color compression
color depth or pixel depth
color-infrared (CIR)
color map or color table
color palette editor
color separation
column
command
command prompt
component
compose sequence
composite color raster object
composite color video
computed field
conflation
conic projections
context
continuous data
continuum
contour map
contours
contrast
contrast table
control panel or panel
control point
control point list
controls window
convolution
co-occurrence raster
coordinate
coordinate system
coprocessor
coregistration
correlation
correlation points
cost raster
coverage file
CPU
CRT
cross validation
cubic convolution or cubic interpolation
cursor
cursor hot spot
cylindrical projections
Cyrillic
dangling line
database form
database object or dBASE object
database query
data mask
DataTip
datum
daughter object
decibel rasters
decision rule
DCW
defaults
degree or �
Delaunay criterion
DEM
demand
dendrogram
densification
depression
depressionless raster
destripe
developable surface
device independent
DGIS
diacritic
dialog box
diapir
digital
Digital Elevation Model
Digital Terrain Model
digitize
digitizer
digraphia
dimensionality
dimensional reduction
dimmed selection
directory or sub-directory
discrete values
disk drive
displacement
display
display board or display card
display group
display histogram
display layout
Display Manager
display monitor or display screen
dissolve
distance raster
dither pattern or dithering
dithered raster
DLG
DMA
double precision
DOS
dpi
drag
drag bar
drape object
drawing order
drawing style
driver
dropout
DTM
DVD
DXF
easting
edge conditions
EGA
elgenvalues
eigenvectors
EISA
ELAS
elastic box
elastic circle
elastic line
electromagnetic spectrum
electronic atlas
element
element
ellipsoid
EO cartridge
EO drive
EOS
epidemiology
epipolar
EPPL7
EPS
EPSG
equalized histogram
equator
erasable optical cartridge or EO cartridge
erasable optical drive or EO drive
ERDAS
escape code
Ethernet
euclidean distance
exabyte, Ebyte, or EB
expansion slot
explicit destruction
exporting vector or raster objects
expression
extents
external database file
external program
external raster
extrema points
false easting
false northing
far range
FFT or Fast Fourier Transform
feathering
feature
feature class
feature mapping
feature space
feature type
fiducial marks
field
field
field
field of view
figure-ground separation
file
file format
fill color
fill pattern
film recorder
filtering
FIPS code
flat
flight path
floppy disks, floppies, diskettes, or flexible disks
flow accumulation
flow direction
flow path
flow path raster
flow path seed point
focal length
folder
font
font set
foreign key
form
format
Fourier transform
frame
frame
framegrabber and framegrabbing
frequency transform
fuzzy C-means
GAC
gadget
gap
GEM
genlock
geocatalog
geocoding
geodesy
geoid
geometric transformation (or rectification)
georeference or geographic calibration
georeferenced image map
geospatial intelligence
GIF
gigabyte, Gbyte, or GB
GIS
global variable
glyph
gnomonic projection
GPIB
GPS
gradient filtering
Grain Shape Index
GRASS
graticule
gray out
graytone or grayscale
graytoned image or raster
great circle
greeking
green biomass or phytomass
greenness
ground control
ground range
ground resolution
ground truth
group or display group
group list
GUI
handles
Hangul
hanzi
hardcopy layout
hard disk or hard drive
hardware key or software license key
hatch pattern
HBS
HelpTip
HI
high-boost filter
highlight
high-order characters
high-pass filter
hiragana
HIS
histogram
home range
horse latitudes
hot spot
HPGL
HTTP
hue
hull
hydrography
HyperIndex� or HI
hyperspectral image
hyperspectral object
hypsography
ICC
ICM
icon
icon button
ideograph
IDIMS
IEEE
IETF
Ikonos satellite
image
image map or georeferenced image map
impedance
impedance limit
implied georeference
importing vector, CAD, or raster objects
index
index areas
infinite loop
INFO
input redistribution
integer
intensity
interactive line-following
interface
interface board or interface card
interlaced video
internal database
internal tables
internationalized X application
Internet
interpolation
interpretation
interpreted programming language
intersection
inverse distance
ISA
ISO
ISO 10646
ISODATA
isoline
item
Java
JavaScript
JPEG
jumper
K or KB
kana
kanji
katakana
Kauth�s Tasseled Cap or Kauth�s greenness / brightness / wetness
key field
kilobyte
K-means
Kuan (Adaptive Noise Smoothing) filter
Kuan (MAP)
label
label
label
labeling
LAI
LAN
land cover
Landsat satellite
LAS
lateral connections
Latin alphabet
Latin-1
latitude
layer
layer list
leaf area index� or LAI
least squares
legend
LegendView
level
limit line
line
linear contrast
linear transform
line element
line pattern
link
link
list box
local variable
locale
localization
longitude
look angle
loop, infinite
low-pass filter
LSCV
manifold
MAP-BASE
mapping unit
map projection
map quadrangle or map quad
map scale
map scale control
marking features
mark
mashup
mask or data mask
matte
maximum-likelihood classification
maximum movement for steadiness
MCA
megabyte, Mbyte, or MB
menu
menubar
meridian
message box
MI
MICROPIPS
MIDI
MIME
minimum distribution angle
min/max box
minute or '
MIPS
miter
mnemonic
model area
MODIS
monochrome image
morphological analysis
mosaic
MOSS
motherboard
mouse
mouse cursor
mouseover highlight
mouse pointer
MRI
ms (millisecond)
MSS
multi-byte strings
multi-frame capture
multilingual application
multiple raster set
multisensor images
multispectral images
multitemporal images
multivariable images
multivolume project file
nadir
NAPP airphotos
NASA
navigation
ND, ND6 and ND7
near range
nearest neighbor sampling/interpolation
neatline
nested folders
Network Analysis
NGA
NHAP airphotos
NIMA
nibble
NOAA
node element
nominal image map
non-interlaced video
normalized contrast
Normalized Difference
normalized histogram
northing
NRCS
NTSC video
null value
number of weighted runs
NWI
object
OCR
ODBC
OGC
on-the-fly labels
opaque color
open reel tape
operand
operator
optical disk
optimization
optimization table
option
option button
Oracle Spatial
origin (X-Y digitizer)
orthoimage
orthophoto
orthovideo
outliers
outline font
outline highlight or location box
out-of-gamut colors
overlay
overshoot
OWS
page layout
PAL
pan
panchromatic image
pane
panel
panoramic
parallax
parallel
parallelepiped classifier or decision rule
parallel port or parallel interface
parallel projection
parallels
parent object
Paris classification
path
PC ARC/INFO
PC ARC/INFO coverage file
PCIPS
PC-8
pen
pen plotter
perceptual rendering
peripheral device
perspective projection
petabyte, Pbyte, or PB
photogrammetry
photointerpretation
physiographic
pictograph
picture element or pixel
piecewise affine
Pinyin
pixel or picture element
pixel depth or color depth
planimeter
planimetric map
PNG
point element
pointing device
point size
polygon element
popup menu
port
PostScript�
pour point
primary key
primary object
Prime Meridian
principal components
principal point
printel
print-file
print-raster object
probability
processing mask
processing raster(s)
profile
profile format files
Project File
projection or map projection
prompt
prototype or training set
prototype cell or training cell
proximity map
pseudo-color image
puck
pulldown menu
push button
quad, quadrangle, map quad or map quadrangle
Quadratic BSpline
quadtree
quantization
query
radar image
radiance
radio button
RAM
RAM disk
range extraction
raster or raster object
raster algebra
raster cell
raster space
ray-casting
RDBMS
record
rectification
reference image
region
region of interest
registration
registry
regression line
relative colorimetric rendering
relief
render
rendering intent
reproject
resample
residual
resize
resolution
resolution
restitution
RGB
RGBB
RGBI
RGB set
RGB video
RMBM
root table
root window
row
RPC
RS-170 video
rubbersheeting
run-length encoding
RVC file
RVF file
samples
sample set
sampling
SAR
sash
saturation
saturation rendering
scalar
scale bar
scale-lock
scale value
scanner
scatterplot
script
scroll
scroll bar
SCS
SCSI port
seam
SECAM
sections of land
seed point
segment
select
select button
selection box
selection highlight
selection query
selection set
semivariance
semivariogram
separator
serial port
serpentine order
shaded relief
shape object
shear
shift sequence
slant range
slider
sliver polygon
slope
smart line following
SML
soil association
soil complex
soil group
soil mapping unit
soil phase
soil profile
soil series
solid modeling
spaghetti digitizing
SPANS
spatial
Spatial Manipulation Language
speckle
spectral band or spectral region
spheroid
spline
SPOT
spread
sRGB
spur
SQL
stack
stack profile
standard lossless
standard parallel
standard 64 annotation colors
State Plane Coordinate System or SPCS
stepwise linear classification
stereo elevation
style query
stop
Sub-extremum
subobject
subtractive color
subwindow
Suits� Maximum Relative classification
Suits-Wagner classification
supervised classification
surface fitting
surface object
SVG
SVHS video
symbol hot spot
symbol overlay
symmetric minima
synthetic resolution
tab group
table
tag
tail
TARGA file
TCP/IP
template
terabyte, Tbyte, or TB
terrain
terrain scene
Terra-Mar
text
text cursor
text field
text monitor or text screen
text object
texture
theme
theme map
Thiessen polygons
thinning
thinning
threshold
thresholding
tick mark
tie point
TIFF
TIGA
TIGER files
tiles
tileset
tiling
TIN Densification
TIN elements
TIN object
title bar
TM
TMS file
TNTatlas�
TNTedit�
TNTmips�
TNTmips� Basic
TNTmips� Free
TNTview�
toggle button
toolbar
ToolTip
topographic map or topo map
topography
topology or vector topology
topology errors
trace
training set� or prototype
transcoder
transfer rate
Transformed Vegetation Index
translation curve
transliterate
transparent color
transparent patterns
trend
tropic of Cancer
tropic of Capricorn
true scale
TSR
TVI
TYDAC
underlay
undershoot
Unicode
union
unsupervised classification or automatic interpretation
URL
USB
USDA
USDI
USF&WS
USGS
UTM
variable
variogram
vector
vector element
vector format
vectorize
vector object
vector topology
vector units
vegetation index
VersaCAD
vertex
VESA
VGA
VHS
video capture
video digitizing board
video field
video frame
view
view canvas
viewshed
view window
vignetting
virtual display
virtual field
virtual process
VMap0
volume
VPF
VQ Filtering
warping
watershed
watershed basin raster
watershed seed point
waypoint
WCS
website
Web Map Service
Web Terrain Service
wetness
WFS
widget
window family
window list
window manager
wireframe
WMMR-MED
WMS
WORM drive
W3C
WTS
X client
X display
X font
Xlib
XML
XNP
X server
Xtoolkit or Xt Intrinsics
X Window System
X-Y digitizing tablet
yottabyte, Ybyte, or YB
zettabyte, Zbyte, or ZB
Zoom Transfer Scope or ZTS
16-bit raster object
2D histogram
24-bit raster object
3D surface modeling
3DMax�
3D scene
4-bit raster object
5-5-5 composite color conversion method
64 standard annotation colors
7.5' map
8-bit context
8-bit raster object