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AT Unit 3 Vocab
AT Unit 3 Vocabulary review
| Question | Answer |
|---|---|
| Metadata | Info about the shapefile and its creation process |
| Display units | The units of measurements displayed in Arcmap both on the bottom of the screen and in the scale bar in the map printout. |
| UTM | Universal Transverse Mercator |
| Coordinate system | The format that is used to put round data on a flat map |
| Point Feature | Part of a feature class composed of point data, based on a single xy location |
| Digitize | The process of transforming data from an image into a single shapefile |
| Sketch Tool | in Arcgis a tool that appears like a pencil and used for the digitizing and editing process |
| Line feature | Part of a feature class composed of line data based upon two or more xy locations directly used against one another |
| Polygon Feature | part of a feature class composed of point data based on a single location |
| Thumb stick | Device on a Garmin etrex unit that is used to select options |
| Waypoint | Locations or positions of landmarks or other points of interest that can be taken with a GPS |
| GPS collection | A globally navigated system with 24+ satellites orbiting the earth at an altitude of 12,000 miles that provide precise worldwide positioning |
| Bearing | The direction you travel from your current position |
| Course | The direction you travel from your starting position |
| Elevation | The altitude above sea level |
| Heading | The direction you are moving |
| Route | A group of waypoint in their navigational order that can be entered into a GPS unit |
| Track | The current direction traveled relative to the ground position |
| UTC | Coordinated universal time; the time format that replaced GMT in 1986 |