Topic:
What exactly does the Scatter Data Decimation option do for Basemap gridding?

Description:
User is unable to find an explanation in the documentation of the degree of
decimation applied when the Decimate scatter data option is toggled on in the
Basemap Plus Grid/Contour Parameters window.

Solution:
The data to be gridded (e.g., seismic interpretation or well markers) is
converted to an internal scatter set (set of x, y, z triplets).  When 'Scatter
Data Decimation' is enabled, this data is 'binned' into a 300x300 array.  Each
point is placed into one of these bins, based upon its relative position within
the overall collection of the data.  The x, y, and z values of each point are
averaged within the bin into which they land.  The output scatter set is these
averages, for those binsets which have data.  If a given bin cell ends up with
just one point then the output point is the same as the input point.  Sparse
data is generally unchanged by binning. 



Last Modified on: 15-MAR-99