CGAL users discussion list

[Daniel Russel <>]

Those are just stationary points. They will work, but not be terribly  
interesting to watch :-) They are more interesting as inputs to the  
update_Delauany_trianglation_2.

On Feb 8, 2008, at 4:09 AM, Mahmood Naderan wrote:

> Thank you,
> How about "afterNNN" and "beforeNNN" formats in "CGAL-3.3.1\demo 
> \Kinetic_data_structures\data"? For example, "after002":
>
> 0 0
> 261.556 368.49
> 355.421 321.043
> 258.829 257.795
> 296.059 374.507
> 335.804 340.896
> 276.11 389.494
> 317.786 278.038
> 298.064 258.447
> 245.414 349.746
> 336.665 298.648
> 600 600
> 225.064 293.26
> 316.217 358.874
> 276.658 239.092
> 0 600
> 225.965 333.489
> 208.967 313.376
> 242.246 275.883
> 600 0
>
> -------------------
> Mahmood Naderan
> http://ce.sharif.edu/~m_naderan
>
>
>
>
>
>
>
> ----- Original Message ----
> From: Daniel Russel 
> <>
> To: 
>
> Sent: Friday, February 8, 2008 11:17:06 AM
> Subject: Re: [cgal-discuss] Kinetic_data_structures... some questions
>
> > Thanks for reply. But "CGAL_USE_BOOST_PROGRAM_OPTIONS" preprocessor
> > is not defined. During debugging, the program skips that section.
> In that case set the "file" string variable at the start of main to
> the name of the file. If that variable is empty it just generates some
> points randomly. The file format is quite simple: a series of lines  
> like
> polynomial for x, polynomial for y
> for example:
> 4301/1073+246/1073*t , -1341/2684+2842/5368*t
> The polynomials can have higher degree and you can replace t by any
> single letter as long as your are consistent within the polynomial.
> See test/Kinetic_data_structures/data/Delaunay_triangulation_2.input
> for an example.
>
> > ----- Original Message ----
> > From: Daniel Russel 
> > <>
> > To: 
> >
> > Sent: Thursday, February 7, 2008 8:19:31 PM
> > Subject: Re: [cgal-discuss] Kinetic_data_structures... some questions
> >
> >
> > On Feb 7, 2008, at 12:07 AM, Mahmood Naderan wrote:
> >
> > > Hello,
> > > I cannot understand which file is used by "Kinetic_data_structures"
> > > demo neither in CGAL 3.2 nor CGAL 3.3.1
> > > std::string file;
> > > ...
> > > return run<CGAL::Kinetic::Exact_simulation_traits>(argc, argv,
> > > n,d,seed, file);
> > > ...
> > > if (file.empty())
> > > So which file? How can I change the input file?
> > Assuming you are talking about Delaunay_triangulation_2 it uses boost
> > program options to handle the command line arguments. So "./
> > Delaunay_triangulation_2 --help" tells you the command line argument
> > usage. The file name is just one of the arguments.
> > >
> >
> > > Also what changes appeared for this section in 3.3.1 in compared to
> > > 3.2? It there any changelog?
> > No important changes were made to the demos.
> >
> > > and another question is about manual. I did not find any guide in
> > > cgal manual about the demo and related QT functions. Is it "Kinetic
> > > framework" section?
> > The documentation of the display code could use some improvement,  
> > yes.
> > There are very minimal pages for the individual classes (look for
> > Kinetic::Qt... in the index). The code and interfaces are pretty
> > simple, so just looking at Delaunay_triangulation_2.cpp and the
> > Kinetic/IO/Qt*2.h files should give you a good idea. They don't have
> > many capabilities beyond what the demo does.
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