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Like convexhull function convhull, i found boundary() for concave hull, but is there anyone who can tell me , how both functions have pros and cons? what is the difference between the two functions besides it being concave & Convex?

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L K on 20 Mar 2017
Answered: Walter Roberson on 20 Mar 2017
I am using both functions on my code, but i am getting the same result...I want to differentiate between the two.. and which is a better one to use?

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Walter Roberson
Walter Roberson on 20 Mar 2017
Look more carefully at the examples in boundaries, including what happens as you change the shrink factor. boundaries() can calculate the convex hull, but it can also calculate other things.

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