Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.



Re: undirected graph
Posted:
Feb 10, 2013 11:12 PM


"Toan Cao" <toancv3010@gmail.com> wrote in message news:kf1406$dqq$1@newscl01ah.mathworks.com... > Hello everyone, > > I have a question relating to 3D point cloud. I hope you can help me get > answer. > Given an 3D point cloud (i obtained it by uniform sampling from a big > point cloud), I would like to make an undirected graph consisting of nodes > as the 3D points, edges as links between two adjacent nodes. > What are steps that i need to follow to implement this graph? Or are there > any algorithms for this problem ? Is there any available code that will > be shared?
How do YOU define adjacency between points in a cloud of random data? For example, in a 2dimensional case which cities in the list of the top 285 most populous cities in the US would you call adjacent?
http://en.wikipedia.org/wiki/List_of_United_States_cities_by_population
 Steve Lord slord@mathworks.com To contact Technical Support use the Contact Us link on http://www.mathworks.com



