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Hi all,
When I compile and run the "'nn_coordinates_3" project in
CGAL-3.3.1/examples/Interpolation/Interpolation.sln, it crashes with following
error:

Consider the natural coordinates of P1, P2 and P3 with regard to the
triangulati
on of data/points3
P1 is inside the convex hull
P2 is on a vertex of the triangulation
P2 is outside the convex hull
Point P1 : 106.55 112.57 110.4
CGAL error: precondition violation!
Expr: dt.dimension()== 3
File: e:\Program 
Files\CGAL-3.3.1\include\CGAL/natural_neighbor_coordinates_3.h
Line: 92

Can anyone help me? Thanks in advance!