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Computing in Geographic Information Systems
book

Computing in Geographic Information Systems

by Narayan Panigrahi
July 2014
Intermediate to advanced content levelIntermediate to advanced
303 pages
8h 34m
English
CRC Press
Content preview from Computing in Geographic Information Systems
252 Computing in Geographic Information Systems
R-tree: A spatial indexing technique which groups entities according to their
proximity by using minimum bounding rectangles. Hierarchies of rectan-
gles may be established. When querying the database any search is di-
rected to the rectangle and any subsequent lower-level ones which contain
the item of interest.
Run-length codes: A compact method of storing data in raster databases
which simplifies the grid on a row-by-row basis by coding the start and
end values of contiguous cells for each class.
Sampling: The technique of obtaining a series of measurements to obtain a
satisfactory representation of the real world phenomenon being studied.
Scale: The metric property of a map or an image which defines
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Publisher Resources

ISBN: 9781482223149