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GIS
Lecture 4
6
Geography
Undergraduate 4
10/08/2009

Additional Geography Flashcards

 


 

Cards

Term
Address matching
Definition
Using a street address such as 123 Main Street in conjunction with a digital map to place a street address onto the map in a known location.
Term
Data entry
Definition
The process of entering numbers into a computer, usually attribute data.
Term
Digitizing
Definition
The process in which geocoding takes place manually; a map is placed on a flat tablet, and a person traces out the map features using a cursor.
Term
Geocoding
Definition
The conversion of analog maps into computer-readable form
Term
Scanning
Definition
A form of geocoding in which maps are placed on a surface and scanned by a light beam.
Term
Validation
Definition
A process by which entries placed in records in an attribute data file, and the map data captured during digitizing or scanning, are checked to make sure that their values fall within the bounds expected of them and that their distribution makes sense
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