CGAL users discussion list

[mahdavi <>]

hi all
I use alpha complex ,my program is used regular triangulation  for  weighted
points and I  want to  grow points  by constant alpha(a). please anybody say
me that in weighted alpha  complex must be used alpha or square alpha ,
//////////////////////////////////////////////////////////////////////
Which is instruction correct?
1:Alpha_shape_3  as(P1.begin(), P1.end(), a, Alpha_shape_3::GENERAL);
2:Alpha_shape_3  as(P1.begin(), P1.end(), a^2 ,Alpha_shape_3::GENERAL);
thanks.
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