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BB1, U3, L1 & L2
GIS Blue Book, Unit 3 les 1 and 2
| Question | Answer |
|---|---|
| Address Locator | A system for taking a geodatabase of road reference data and formatting it to be able to geocode |
| Attribute Table | Table containing all attributes of a data set |
| Attributes | Refers to the data that describes features |
| Connect to Folder | Toolbar button that allows you to establish a connection to commonly used folders |
| Geocode | To use the Address Locater in ArcGIS in combination with a list of addresses to automaticallyy place these data points based in a road database |
| Point Feature | Part of a feature class composed of point data, based on a single x, y location |
| Polygon Feature | Part of a feature class composed of polygondata, based upon three or more x, y locations which are connected to one another in a closed shape |
| Spatial Join | Data being joined together based on geographic location, rather than a shared data column |
| Waypoint | Locations or positions of landmarks or other points of interests that can be taken with a gps unit |
| Map | a visual representation of an area shown on a two dimensional surface. |
| Orthongal Viewpoint | Viewing something from above (bird’s eye view) |
| Political maps | Shows how humans have divided the Earth |
| Physical | Shows land and water formations on earth’s surface. |
| Cultural | Shows patterns of demographic data |
| Thematic | detailed map showing specific places |
| Cartography | The “science or art of making maps” |
| Cartographer | The people who physically make the maps. |
| Absolute location | acquired by using coordinate system to determine a referenced fixed point in space. |
| Eastern Hemisphere | Are east of the prime meridian |
| Equator | starting point for the lines of longitude and latitude. Divides the earth into northern and southern hemispheres. |
| Geographic coordinate system | Establishes two sets of imaginary lines around the earth: Parallels, representing latitude, and meridians, representing longitude, forming a grid over the earth. |
| International data line | imaginary date line that separates two calendar days located approximately 180° |
| Latitude | Lines that run east and west along the earth’s surface. |
| Longitude | Lines that run north and south along the earth’s surface. |
| Meridians | Term used to describe lines of longitude. |
| Parallels | Lines of latitude |
| Prime Meridian | Measured at the 0 degree longitude. Starting point of the meridians. |
| Relative location | A way of describing where an object is on an earth’s surface without giving absolute coordnants. |
| Tropic of Cancer | Located a 23°30’ N Latitude Divides the tropics from the northern temperature zone. |
| Tropic of Capricorn | Located at 23°30’ S Latitude divides the tropics from the southern temperature zone. |
| Western Hemisphere | Are located west of the prime meridian to 180° longitude. |
Created by:
asugden
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