CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

There are two problems with your input:
1) in this line
0.0 10.0.0 0.0
10.0.0 is not a correct value
2)orientation of faces is not consistent.

The following is working fine on my machine
OFF
4 4 0
0.0 0.0 0.0
10.0 0.0 0.0
0.0 10.0 0.0
0.0 0.0 10.0
3 0 1 3
3 0 3 2
3 3 1 2
3 0 2 1

For the second problem reported, if you enable assert check in CGAL,
you would have get this error message:

Gmpz constructed from non-integer double value

The input for this example needs to be made of integers.
Look at the example handling_double_coordinates.cpp to see how to cope
with them.

S.

Hamid G wrote:
> Hello 
>
> I just compiled/installed CGLA 3.7 on a 32-bit Debian linux box (gcc 4.4.5). 
> and I am trying to run the example code in
> 'example/Nef_3/interface_polyhedron.cpp' 
>
> I passed down the following OFF file and expected to get some proper result
> but this is what I got: 
>
> $ ./interface_polyhedron < tet.off 
> OFF 
> 0 0 0 
>
> Also using provided OFF file in example directory, gives:
>
> $ ./interface_polyhedron < handling_double_coordinates.cin
> Error !!!!!!!!!!!!!!!!!!!!!!!
> Error !!!!!!!!!!!!!!!!!!!!!!!
> Error !!!!!!!!!!!!!!!!!!!!!!!
> Error !!!!!!!!!!!!!!!!!!!!!!!
> Error !!!!!!!!!!!!!!!!!!!!!!!
> Error !!!!!!!!!!!!!!!!!!!!!!!
> Segmentation fault
>
>
> I compiled the examples as instructed: 
>
> $ cmake -DCGAL_DIR=/path/to/cgal . 
> $ make
>
> Any help is appreciated. 
>
> thanks in advance, 
> Hamid G 
>
>
>
> # tet.off 
> OFF 
> 4 4 0 
> 0.0 0.0 0.0 
> 10.0 0.0 0.0 
> 0.0 10.0.0 0.0 
> 0.0 0.0 10.0 
> 3 0 1 3 
> 3 3 0 2 
> 3 3 2 1 
> 3 0 2 1