CGAL users discussion list

[Dennis Schieferdecker <>]

Dennis Schieferdecker schrieb:
>> There are two traits that support circular arcs and segments in the
>> arrangement package, namely, Arr_circle_segment_traits_2 and
>> Arr_circular_line_arc_traits_2. The latter may support more
>> operations, as it is based on a CircularKernel.
>>     
> I tried the latter one, but I after inserting circles into the
> arrangement and trying to traverse the faces with the
> Face_const_iterator in an otherwise empty for-loop, the program fails
> with an invalid free() operation. To insert the circles I create a
> Kernel::Circle_2 and convert it to a Kernel::Circular_Arc_2 and then to
> an Traits::Curve_2 which I insert into the arrangement.
>   
Correction: The error already happens when inserting the circle into the
arrangement, using Arr_circular_line_arc_traits_2 as Traits class.

-- 
Dennis Schieferdecker
Universität Karlsruhe (TH)           | Fon  : +49 (721) 608-6781
Institut für Theoretische Informatik | Fax  : +49 (721) 608-3088
Am Fasanengarten 5, Zimmer 220       |
D-76131 Karlsruhe, Germany           | Email: 

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