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[rcasero <>]

Hi Jane,

Thanks. I have looked into the example you point to, but doesn't make_mesh_3
require a mesh as an input?

My input is a binary image, and I want to mesh the isosurface at
isovalue=0.5.

So I create an implicit surface, which is what I'd need to pass to
make_mesh_3. Trying to isolate the relevant code below:

<SNIPPET> 
typedef CGAL::Gray_level_image_3<GT::FT, GT::Point_3> Gray_level_image;
typedef CGAL::Implicit_surface_3<GT, Gray_level_image> Surface_3;

Gray_level_image image(im, isoval);
Surface_3 surface(image, bounding_sphere, 1e-5);

C3t3 c3t3 = CGAL::make_mesh_3<C3t3>(surface, criteria, 
                                      CGAL::parameters::no_perturb(), 
                                      CGAL::parameters::no_exude());
</SNIPPET> 

the compilation error I get is

/Software/gerardus/cpp/src/third-party/CGAL-4.2/include/CGAL/make_m
esh_3.h:136:40: error: no type named ‘Point_3’ in ‘class
CGAL::Implicit_surface_
3<CGAL::Robust_weighted_circumcenter_filtered_traits_3&lt;CGAL::Mesh_3::Robust_inte
rsection_traits_3&lt;CGAL::Epick> >, CGAL::Gray_level_image_3<double,
CGAL::Weighte
d_point&lt;CGAL::Point_3&lt;CGAL::Epick>, double> > >’
   typedef typename MeshDomain::Point_3 Point_3;





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