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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 |