Glossary

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This is a glossary of terms commonly used with World Wind.


Contents: Top - 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


A

add-on
A feature that is not part of the core of World Wind. These can be layers, scripts or in some other way related to World Wind. Add-ons are usually community made. See the Add-On_list and the forums Add-on Section for further information.
Altitude
Distance above sea level.

D

dataset
The imagery used to cover the surface of the world.
Also used: Surface Data.
DDS
Direct Draw Surface. World Wind saves textures in this File Format.

L

LandSat 7
The seventh satellite of the LandSat project.
Latitude
Degrees difference North or South from the Equator.
layer
Data that can be shown or hidden on the planet in World Wind. A layer can contain any of images, text and trails.
Longitude
Degrees difference East or West from Greenwich, England.

M

MODIS
Moderate Resolution Imaging Spectroradiometer. See Rapid Fire MODIS for usage details in World Wind.

N

NASA
National Aeronautics and Space Administration
NOSA
NASA Open Source Agreement. NOSA
NWW
NASA World Wind

O

Orthophoto
A photograph that has been processed to have a uniform-scale.

S

script
A prerecorded series of view changes and text display that can be run from within World Wind.
Surface Data
See dataset.
SVS
Scientific Visulaization Studio

T

tile
An image from a dataset. World Wind downloads datasets one tile at a time.
Topographic
Graphic representation of the surface features of an area.

U

USGS
U.S. Geological Survey

W

WMS
Web Map Server is a specification by the Open Geospatial Consortium. See WMS Browser for usage details in World Wind.
Contents: Top - 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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