CGAL users discussion list

[Michael Hull <>]

Hi Jakob,

Definately, I would be very interested to see this if you can dig it out!

Thanks!

Mike

On 23 July 2012 03:02, Jakob van Bethlehem <> wrote:

Hej Mike,

I have some (extremely rough) PLY-stuff floating around on my HD somewhere, that may get you started. If you're interested, you can contact me off-list.

Sincerely,
Jakob

On 07/21/2012 07:40 PM, Michael Hull wrote:

HI Felipe,
Thanks for those links. I am trying to get the cgal-python bindings at the moment; which would make output to ply much easier.
I am still a little unclear about the difference between a triangulation and a surface, but  I will keep looking through the documentation.

Best regards

Mike

On 20 July 2012 10:25, Felipe de Jesus Trujillo Romero < <mailto:.mx>> wrote:

    hello Mike,

    in relation to the writer to PLY, I don't know if there is an implementation on CGAL (I don't think so) but you can take a look to the libply:

    http://people.cs.kuleuven.be/~ares.lagae/libply/

    or go over the website of Stanford 3D scanning repository:

    http://graphics.stanford.edu/data/3Dscanrep/

    bye

    Felipe

    *

    **On Fri, 20 Jul 2012 08:56:32 -0500, Michael Hull wrote*

     > Hello!
     > I have been reading through the CGAL documentation, and it looks like an amazing project.
     > Unfortunately; I am having some trouble getting what I want out; so before I write some hacky code; I thought I'd ask here.
     >
     > I basically want to take a set of points, (without normals), then use alpha shapes to find a mesh over these points (since the shame has concavities), then convert this shape into PLY file format.
     > I looked through the examples, and found something similar loading a bunny from a set of points into an alpha shape; which gives me access to the vertices or facets, but at this point I got
    confused about what exactly a triangulation is, how it compares to a Surface, and how I access it from my Alpha_Shape_3 object.
     > If someone could shed some light on this, I'd be very grateful!
     >
     > Also, is there a writer to PLY that exists already, before I write my own?
     >
     > Many thanks in advance, and for work on what looks like a great package.
     >
     > Mike
     >
     > P.S. I looked at the tutorial section, and some of the links are broken. I think for beginners 'lightweighter' overview/introductory material is very useful, since it can be difficult to get a
    feeling of how all the components fit together, especially if you  are not a C++ template guru :)

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