question re: raterization

[Doug Hersh]

	When rasterizing a vector map of polygons, how does GRASS choose
a cell's value, and what is the algorithm for instances where a vector
line separating two polygons divides a grid cell exactly in two.  Thanks.
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Doug Hersh			Boston University Marine Program
dhersh at lupine.mbl.edu		Marine Biological Laboratory
(508)548-3705 ext. 516		Woods Hole, MA  02543
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