| Term |
Definition |
| Alias |
a short, user-defined name representing an ADDE dataset name;
for example, the alias GV1 might represent the dataset name SSEC-RT/GOES8-1KVIS |
| Client |
workstation receiving and displaying data |
| Dataset |
collection of one or more files with a common format; for
example, one dataset may consist of areas 101 to 104, another dataset may
consist of MD files 1 to 10 |
| Dataset Name |
name used by ADDE to reference a dataset; the dataset name
consists of a group name and a descriptor name
separated by a slash ( / ); for example, GINIWEST/GW1KVIS |
| Descriptor |
name used to reference a dataset; for example, a dataset of
GINI West images containing visible data at 1 km resolution might have
the descriptor GW1KVIS (GINI West 1 km VISible) |
| File Number |
number used to reference a McIDAS format file (the standard McIDAS numbering scheme) |
| Format |
file format; McIDAS formats include AREA, GRID and MD; non-McIDAS formats include NEXRAD, WSI NOWRAD (tm), HDF and netCDF |
| Group |
name used to reference a collection of descriptors; used by the client to determine which server should receive data requests |
| Position |
absolute or time-relative position of a file in a dataset; position numbers greater than zero represent an absolute position in the dataset; position numbers less than or equal to zero represent a relative position, 0 is the most recent and -1 is the next most recent; for example, if a dataset has four images with times 13 UTC, 14 UTC, 15 UTC and 12 UTC, they have the positions -2, -1, 0 and -3 |
| Server |
machine storing and supplying data |
| Type |
data type: image, grid, point, navigation, or text |
