Topic:
How does the trend algorithm work in Basemap Plus?

Description:
In Geoframe Basemap Plus, how does trend algorithm calculate its node values?	 

Solution:
Trend gridding is a special algorithm for computing trends within data.  Only a
first order polynomial trend is calculated.  It is used to reveal overall
or regional dip of a surface feature.  It does not honor individual input data
points.



Last Modified on: 11-FEB-99