Sebastien Loriot comments

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                                            Sebastien Loriot

CGAL::IO::Internal::read_OBJ(): allow arbitrary whitespace in "f" lines

Successfully tested in CGAL-6.0-Ic-224

Polygon repair

/build:v0

Intersection of two simple CCW triangles polygons cause a precondition error

Any reason not to use `Triangle_2` type and `intersection(Triangle_2, Triangle_2)`?

Intersection of two simple CCW triangles polygons cause a precondition error

You need to use `CGAL::Exact_predicates_exact_constructions_kernel` if you want to use the sweep-line based intersection computation. https://www.cgal.org/FAQ.html#inexact_NT

Intersection of two simple CCW triangles polygons cause a precondition error

If you know, then the title of your issue is misleading. Precondition is raised because exact constructions are required. Moreover, you are saying that you have a 10x penalty but...

Intersection of two simple CCW triangles polygons cause a precondition error

intersection points = new objects from input data

Orthtree generalization

/build:v0

Mesh_3::Add handling of *.nii files in one example

Successfully tested in CGAL-6.0-Ic-96

Mesh_3::Add handling of *.nii files in one example

@afabri, this PR was marked tested 3 month ago and is still waiting for some TODOs. Maybe you want to open an issue instead and integrate the PR.

Mesh_3::Add handling of *.nii files in one example

Successfully tested in 6.0-Ic-251