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identifying 3 x 3 cell groupings

Question asked by michsnive on Oct 5, 2010
Latest reply on Oct 5, 2010 by Dan_Patterson
I have a grid containing cells representing slopes <=6%, all other cells are NoData.  With the <=6% cells I want to identify groupings that meet a minimum requirement of being 3 cells by 3 cells in size or larger but have yet to find a way.  Any thoughts on how to achieve this using Spatial Analyst or through a vector means by converting the grid to a shapefile?