(data structure)
Definition: A point access method which is two simultaneous grid files. Points are shuffled between the primary and secondary file to minimize the total size.
See also multilayer grid file.
Note: After [GG98].
Author: PEB
If you have suggestions, corrections, or comments, please get in touch with Paul Black.
Entry modified 17 December 2004.
HTML page formatted Mon Feb 2 13:10:40 2015.
Cite this as:
Paul E. Black, "twin grid file", in
Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 17 December 2004. (accessed TODAY)
Available from: http://www.nist.gov/dads/HTML/twingridfl.html