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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
L K 2017-3-20
回答： Walter Roberson 2017-3-20
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 2017-3-20
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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