CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

I just try it with CGAL-3.6.1 as well as the latest version
of CGAL, and the example simple_join_intersect.cpp is running
fine on my machine.

Did you modify the example? Which compiler and version are you using?
can you reproduce the problem with the latest version of CGAL?

Sebastien.

bcl wrote:
> Anyone know how to fix this? Thx 
>
>
> Ubuntu 11.04 x86_64 
>
> Installed packages: 
>  libcgal-3.6.1-2ubuntu2 
>  libcgal-dev-3.6.1-2ubuntu2 
>  libcgal-demo-3.6.1-2ubuntu2 
>
>
> $ ./simple_join_intersect 
> P = [ 5 vertices: (0/1 0/1) (5/1 0/1) (7/2 3/2) (5/2 1/2) (3/2 3/2) ] 
> Q = [ 5 vertices: (0/1 2/1) (3/2 1/2) (5/2 3/2) (7/2 1/2) (5/1 2/1) ] 
> Segmentation fault (core dumped) 
>     
> $ gdb simple_join_intersect core 
> GNU gdb (Ubuntu/Linaro 7.2-1ubuntu11) 7.2 
> Copyright (C) 2010 Free Software Foundation, Inc. 
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it. 
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying" 
> and "show warranty" for details. 
> This GDB was configured as "x86_64-linux-gnu". 
> For bug reporting instructions, please see: 
> <http://www.gnu.org/software/gdb/bugs/>... 
> Reading symbols from
> cgal-demo/examples/Boolean_set_operations_2/simple_join_intersect...done. 
>
> warning: core file may not match specified executable file. 
> [New Thread 17902] 
>
> warning: Can't read pathname for load map: Input/output error. 
> Reading symbols from /usr/lib/libCGAL_Core.so.5...(no debugging symbols
> found)...done. 
> Loaded symbols for /usr/lib/libCGAL_Core.so.5 
> Reading symbols from /usr/lib/libCGAL.so.5...(no debugging symbols
> found)...done. 
> Loaded symbols for /usr/lib/libCGAL.so.5 
> Reading symbols from /usr/lib/libgmpxx.so.4...(no debugging symbols
> found)...done. 
> Loaded symbols for /usr/lib/libgmpxx.so.4 
> Reading symbols from /usr/lib/libmpfr.so.4...(no debugging symbols
> found)...done. 
> Loaded symbols for /usr/lib/libmpfr.so.4 
> Reading symbols from /usr/lib/libgmp.so.3...(no debugging symbols
> found)...done. 
> Loaded symbols for /usr/lib/libgmp.so.3 
> Reading symbols from /usr/lib/libboost_thread.so.1.42.0...(no debugging
> symbols found)...done. 
> Loaded symbols for /usr/lib/libboost_thread.so.1.42.0 
> Reading symbols from /usr/lib/x86_64-linux-gnu/libstdc++.so.6...(no
> debugging symbols found)...done. 
> Loaded symbols for /usr/lib/x86_64-linux-gnu/libstdc++.so.6 
> Reading symbols from /lib/x86_64-linux-gnu/libm.so.6...Reading symbols from
> /usr/lib/debug/lib/x86_64-linux-gnu/libm-2.13.so...done. 
> done. 
> Loaded symbols for /lib/x86_64-linux-gnu/libm.so.6 
> Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1...(no debugging
> symbols found)...done. 
> Loaded symbols for /lib/x86_64-linux-gnu/libgcc_s.so.1 
> Reading symbols from /lib/x86_64-linux-gnu/libc.so.6...Reading symbols from
> /usr/lib/debug/lib/x86_64-linux-gnu/libc-2.13.so...done. 
> done. 
> Loaded symbols for /lib/x86_64-linux-gnu/libc.so.6 
> Reading symbols from /lib/x86_64-linux-gnu/librt.so.1...Reading symbols from
> /usr/lib/debug/lib/x86_64-linux-gnu/librt-2.13.so...done. 
> done. 
> Loaded symbols for /lib/x86_64-linux-gnu/librt.so.1 
> Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0...Reading symbols
> from /usr/lib/debug/lib/x86_64-linux-gnu/libpthread-2.13.so...done. 
> done. 
> Loaded symbols for /lib/x86_64-linux-gnu/libpthread.so.0 
> Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols
> found)...done. 
> Loaded symbols for /lib64/ld-linux-x86-64.so.2 
> Core was generated by `./simple_join_intersect'. 
> Program terminated with signal 11, Segmentation fault. 
> #0  Handle_for (this=<value optimized out>, begin=..., end=..., pgn=...) at
> /usr/include/CGAL/Handle_for.h:125 
> 125	      : ptr_(h.ptr_) 
> (gdb) bt 
> #0  Handle_for (this=<value optimized out>, begin=..., end=..., pgn=...) at
> /usr/include/CGAL/Handle_for.h:125 
> #1  VectorC2 (this=<value optimized out>, begin=..., end=..., pgn=...) at
> /usr/include/CGAL/Cartesian/Vector_2.h:36 
> #2  Vector_2 (this=<value optimized out>, begin=..., end=..., pgn=...) at
> /usr/include/CGAL/Vector_2.h:39 
> #3  PointC2 (this=<value optimized out>, begin=..., end=..., pgn=...) at
> /usr/include/CGAL/Cartesian/Point_2.h:33 
> #4  Point_2 (this=<value optimized out>, begin=..., end=..., pgn=...) at
> /usr/include/CGAL/Point_2.h:39 
> #5  operator() (this=<value optimized out>, begin=..., end=..., pgn=...) at
> /usr/include/CGAL/Boolean_set_operations_2/Gps_traits_adaptor.h:72 
> #6  CGAL::Gps_segment_traits_2&lt;Kernel,
> std::vector&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; >,
> std::allocator&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; > > >,
> CGAL::Arr_segment_traits_2<Kernel>
> > ::Construct_polygon_2::operator()&lt;CGAL::Ccb_curve_iterator&lt;CGAL::Arrangement_on_surface_2&lt;CGAL::Gps_segment_traits_2&lt;Kernel,
> std::vector&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; >,
> std::allocator&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; > > >,
> CGAL::Arr_segment_traits_2<Kernel> >,
> CGAL::Arr_bounded_planar_topology_traits_2&lt;CGAL::Gps_segment_traits_2&lt;Kernel,
> std::vector&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; >,
> std::allocator&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; > > >,
> CGAL::Arr_segment_traits_2<Kernel> >,
> CGAL::Gps_default_dcel&lt;CGAL::Gps_segment_traits_2&lt;Kernel,
> std::vector&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; >,
> std::allocator&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; > > >,
> CGAL::Arr_segment_traits_2<Kernel> > > > > > > (this=<value optimized out>,
> begin=..., end=..., pgn=...) 
>     at /usr/include/CGAL/Gps_segment_traits_2.h:92 
> #7  0x000000000044375e in construct_polygon (this=0x7fff7ba9b7a0, arr=...)
> at
> /usr/include/CGAL/Boolean_set_operations_2/Gps_on_surface_base_2_impl.h:45 
> #8  scan_ccb (this=0x7fff7ba9b7a0, arr=...) at
> /usr/include/CGAL/Boolean_set_operations_2/Gps_on_surface_base_2_impl.h:150 
> #9 
> CGAL::Arr_bfs_scanner&lt;CGAL::Arrangement_on_surface_2&lt;CGAL::Gps_segment_traits_2&lt;Kernel,
> std::vector&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; >,
> std::allocator&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; > > >,
> CGAL::Arr_segment_traits_2<Kernel> >,
> CGAL::Arr_bounded_planar_topology_traits_2&lt;CGAL::Gps_segment_traits_2&lt;Kernel,
> std::vector&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; >,
> std::allocator&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; > > >,
> CGAL::Arr_segment_traits_2<Kernel> >,
> CGAL::Gps_default_dcel&lt;CGAL::Gps_segment_traits_2&lt;Kernel,
> std::vector&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; >,
> std::allocator&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; > > >,
> CGAL::Arr_segment_traits_2<Kernel> > > > >,
> CGAL::Counting_output_iterator>::scan (this=0x7fff7ba9b7a0, arr=...) at
> /usr/include/CGAL/Boolean_set_operations_2/Gps_on_surface_base_2_impl.h:109 
> #10 0x000000000045aa0c in number_of_polygons_with_holes (pgn1=<value
> optimized out>, pgn2=<value optimized out>, res=..., tr=<value optimized
> out>) 
>     at
> /usr/include/CGAL/Boolean_set_operations_2/Gps_on_surface_base_2_impl.h:634 
> #11 CGAL::_join&lt;CGAL::Polygon_2&lt;Kernel&gt;, CGAL::Polygon_2<Kernel>,
> CGAL::Gps_segment_traits_2&lt;Kernel,
> std::vector&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; >,
> std::allocator&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; > > >,
> CGAL::Arr_segment_traits_2<Kernel> > > (pgn1=<value optimized out>,
> pgn2=<value optimized out>, res=..., 
>     tr=<value optimized out>) at
> /usr/include/CGAL/Boolean_set_operations_2/Bso_internal_functions.h:109 
> #12 0x000000000043b36e in _join&lt;CGAL::Polygon_2&lt;Kernel&gt;,
> CGAL::Polygon_2<Kernel>, CGAL::Polygon_with_holes_2<Kernel> > ()
>     at
> /usr/include/CGAL/Boolean_set_operations_2/Bso_internal_functions.h:127 
> #13 join&lt;Kernel,
> std::vector&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; >,
> std::allocator&lt;CGAL::Point_2&lt;CGAL::Cartesian&lt;CGAL::Gmpq&gt; > > > >
> () 
>     at /usr/include/CGAL/Boolean_set_operations_2.h:329 
> #14 main () at
> cgal-demo/examples/Boolean_set_operations_2/simple_join_intersect.cpp:46 
> (gdb) 
>
> --
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