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Description
Flashcards by georgia.s.couch, updated more than 1 year ago
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Created by georgia.s.couch
about 10 years ago
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| Question | Answer |
| .shp (extension) | X and Y coordinate that spatially define a shape. |
| .shx (extension) | Index to find a shape by type. |
| .dbf (extension) | Database file that contains all the attributes to describe the features (DeMers). |
| Topology | The spatial relationships between geographical features. |
| contiguity property (of topology) | How links (roads/rivers) are in relation to polygons. |
| TIN | Triangulated Irregular Network- A model that represents surface. |
| DEM | Digital Elevation Model |
| Datum | 'A single entry in a database' (Davis, 2001) |
| Data | A series of entries in a database. |
| Dataset | A collection of data that belongs together/ related to each other. |
| Information | Information is the meaning/ interpretation of data (Davis) |
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