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The AAPG/Datapages Combined Publications Database
AAPG Bulletin
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COMMAP is an automatic mapping system. It uses an automatic map reader for digitizing the input data
, an IBM 704
computer
for processing the
data
and a Benson Lehner Electroplotter for plotting and
contouring
the output. This system processes, plots, and contours all mappable
data
. Computations which can be preformed by the system include the following: (1) determination of regionals and residuals by polynomial surface-fitting techniques, (2) determination of regionals and residuals by various ring-average methods, (3) upward and downward continuation of potential field
data
, (4) first and second vertical derivatives by several methods.
This paper covers the system in general and gives examples of tabulated, plotted and contoured output of the results for a number of specific field problems.
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