CGAL users discussion list

["Andy Hirsh" <>]

Hi Peter

I sent last mail while logged on my colleague gmail's account... sorry!

Looking for the rabbit object you talk about in your mail, I found
that there is another simple 3d format named PLY
http://en.wikipedia.org/wiki/PLY_(file_format)... is this better for
the intersection purpose ?

  best regards

             Andy


On 4/11/08, Giampaolo Bellini 
<>
 wrote:
> Hi Peter
>
>  thanks for for your quck reply.
>
> > with 3D Nef polyhedra it is not a problem to do intersection of planes
> > and polyhedra. The problem in your case is the file format. We don't
> > support stl files at the moment.
>
> this is not a problem as writing a parser for stl is really a simple
> task... I have a simple library based on FLEX... could it helps ?
>
> > I can write a constructor for stl files
> > for you in an hour, but it will not be very efficient. It will construct
> > every facet as a separate Nef polyhedron
>
> really ? sound great!
> I'm just looking at NEF polyhedron as they are totally new for me.
>
> > So now the question is, how
> > big your input data is, and how important the construction efficiency is
> > for you.
>
> actually efficenty is not a problem as I'm still experimenting with
> STL... and I don't know exactly where I'm gone :-)
>
> > Peter
>
>  again, thanks a lot for your help, Peter...
>
>               Andy
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