Boundaries of a point cloud

I have 2D points in the x,y-plane and I would like to extract the boundaries with this function:

https://ch.mathworks.com/help/matlab/ref/boundary.html

The problem is that the desired shape has sharp edges and the function isn't outputting the desired results... Any idea?...

[Image Analyst]

Show a screenshot of your plotted points, and attach your data so people can play around and try things. http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

[KSSV]

boundary should work well..if it is not as expected....show your data.

Answer 1

[Sim]

Boundary extraction (identification and tracing) from point cloud data