azavea/geotrellis — pull request #142 by non (2012-07-17 20:34:48+00:00)
Title: Topic/map reduce ops

This pull request adds Reducer1/2 to geotrellis.op.logic. It also implements some obvious map/reduce candidates (i.e. Histogram, Min, Max, etc) in terms of the trait. Finally, it modifies the tests to pass, and cleans up some old operations.