633331
Beschreibung
Karteikarten von georgia.s.couch, aktualisiert more than 1 year ago
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Erstellt von georgia.s.couch
vor mehr als 10 Jahre
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| Frage | Antworten |
| Point data | A reference of a location/node depicted as a symbol. |
| Line data | A network; Indicates flows of traffic, water, people (streets) etc. |
| Vector data | attributes; geographical features expressed in geometric shapes. |
| Raster data | An image made by pixels constructed by a column of grids and cells. Each cell has one value. |
| Geodetic datum | Calculates the earth's surface, taking into consideration heights above and below earth's surface. |
| Datum | A measure of data representing the area if a feature. |
| Ellipsoid | When representing the earth as an ellipse rotating on a minor axis. |
| Geoid | A hypothetical surface that models the earth's oceans if there was no irregularities such as mountains. |
| Metadata | Information stored about the characteristics of a piece of data. |
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