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Introducing Geographic Information Systems with ArcGIS: A Workbook Approach to Learning GIS, 3rd Edition by Michael D. Kennedy

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Excluding Distances beyond a Certain Threshold

If the problem warrants it, you may limit the search for the closest source cell so that it does not exceed a given value. To do this, you select an option that says “if you have to look further than this to get to a source cell, just forget it.” Such a number may be called a limit, a cap, a cutoff value, or a threshold.

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