CGAL users discussion list

[Daniel Russel <>]

> 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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