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seen May 23 '13 at 16:01

Sep
16
comment How to exclude outliers from raster using ArcGIS for Desktop?
thanks for the detailled answer. It included a lot of good points. I redid the analysis with SAGA via RSAGA. There are 4 or 5 methods for curvature estimation, and the result for each one is much smoother with less extreme values than with the ArcGIS method.