I am create IDW interpolation of 60-70 points in ArcGIS. It takes 2 minutes. But when I create IDW of 20000 points in ArcGIS, it takes at least 4 hours and 30 minutes. I want to ask why takes much time for 20000 points for IDW interpolation.
closed as unclear what you're asking by Jochen Schwarze, Fran Raga, xunilk, whyzar, Vince May 20 at 14:37
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