I'm using ArcGIS 9.31.

I have a set of points as elevation and in order to get a soft clip area for the TIN, I would like to extract only all the points bordering the extent of this shape, or to get a shape deliminating the extent of the set of points. I don't have any other data than this point shape. Is there a way to select them?


It sounds like you are wanting to generate a Convex Hull for which options are described here.

There is also some discussion about generating Concave Hulls and a few tools you may be able to try here.

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  • Thanks I haven't seen your reply before. This si what I finally tried and then reshape the result. – PMessager Jun 25 '13 at 12:03

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