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Re: [cgal-discuss] Re: Delaunay Triangulation - number of edges


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  • From: Dennis Endt <>
  • To:
  • Subject: Re: [cgal-discuss] Re: Delaunay Triangulation - number of edges
  • Date: Mon, 03 Nov 2008 12:13:12 +0100
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Very Good joke. You made my day ;)

But if you had tried to understand you would know, that I`m only
searching for a method which tells me, if the triangulations gone wrong
because of the same x_y coordinates and so on.

Best.,
Dennis

Andreas Fabri schrieb:
> Dennis Endt wrote:
>> Monique Teillaud schrieb:
>>> If you are lucky (= your points really don't belong to a plane
>>> parallel to any xy,xz,yz plane), you will get the same triangulation
>>> three times, which is not what you want (I guess so). Yhen using one
>>> of these random traits should give you what you want.
>>> If you are less lucky, one of the computationa will crash. Then, use
>>> one of the other two.
>>> I'm afraid that's the best you can do if you don't know anything about
>>> your data, except the fact that they are almost coplanar.
>>>
>>> best,
>>> Monique Teillaud
>>
>> Hi,
>>
>> thanks so far for your help.
>>
>> My last question is:
>> How can I check if a computational will crash? What is the best method
>> for this?
>
>
> You should
>
> #include <CGAL/Cristall_ball.h>
>
> It provides a constructor with an unsigned int specifying the number
> of milliseconds you want to look into the future.
>
> It's an undocumented feature, but that is what we recommend for
> avoiding planes to fall from the sky.
>
>
>
>>
>> I tried to use is_valid(), but this didn`t worked. Is it enough to check
>> for the number_of_vertices != 0 of a fassade?
>>
>> Best,
>> Dennis
>>
>




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