How to map vertex points from the surface of a straight pipe onto 2D plane.
The 3D surface points of the straight pipe can be found here: data
file = "http://pastebin.com/H9y9SqYy"; dat = Import[file, "Table"]; Graphics3D[Point@dat, Boxed -> False]
One can imagine as a simple straight cut (anywhere) on the circumference of the pipe. I want to get something like this: