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Selecting defined area by suitability

Question asked by jxwolstenholme on Nov 5, 2016
Latest reply on Nov 5, 2016 by MervynLotter



I have calculated a raster layer on a scale of 0 to 1 defining suitability for a certain activity where 0 is least suitable and 1 is most suitable.


Is it possible to make a selection on the layer of the "best" 30 square miles for the activity? This isn't all going to take the value 1 and will go down to I imagine about 0.85 but I need to extract the sites that are most effective.


Many Thanks