Interpolation Problem

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03-19-2018 11:23 AM
ElizabethBee
New Contributor

I did the following steps:

1) I went into ArcMap, and from the toolbox, selected, Interpolation-IDW

2) I then put my shapefile as the input and selected the field that I want to map

3) I went to environment settings, raster analysis, and tried to mask the area that I want with the U.S. boundaries shapefile since I want it for the U.S. boundaries only.

It keeps it within the U.S. boundaries, but it cuts off parts of the U.S.  I am attaching a snapshot.  Does anyone know why this is?  How do I fix this problem?

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1 Reply
DanPatterson_Retired
MVP Esteemed Contributor

recheck the extent with a mouse query and select the eastern and western most parts to ensure that they are indeed joined to the US.

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