how to get the surface patch after delaunay triangulation

I have a set of point cloud ,after delaunay triangulated these points,I got a connectivity of all the points.What can　I do to get the surface triangular patches of the rebuilt 3D model.Or,I want to get the connectivity of all the points without inner egdes.Thank you.

Answer 1

[Mike Garrity]

Have you tried the freeBoundary method as shown in the first example on this documentation page ?

[LIN Hongbin]

Thank you !I made a mistake at first that I used boundary without DT.Now I got it.Thank you,Mike!