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IDW with a clipped geometry

Question asked by RachelB on Nov 7, 2012
Latest reply on Nov 8, 2012 by slynch-esristaff
Can anyone tell me is there a way to use IDW with a clipped geometry.
I have 10 polygons with points inside them. I only want the interpolation to run within the polygons as they are not related to each other.
I tried the input barrier polyline option by converting the polygons to polylines but this didn't work and still interpolated outside the polylines.

Any help much appreciated.