level_set - compute a level set from a function
geo level_set (const field& fh);
Given a function fh defined in a domain Lambda, compute the level set defined by {x in Lambda, fh(x) = 0}. This level set is represented by the geo class.
The option class leve_set_option_type controls the slit of quadrilaterals into triangles for tridimensional intersected surface and also the zero machine precision, epsilon.
struct level_set_option_type {
bool split_to_triangle;
Float epsilon;
level_set_option_type()
: split_to_triangle(true),
epsilon(100*std::numeric_limits<Float>::epsilon())
{}
};
template <class T, class M>
geo_basic<T,M> level_set (
const field_basic<T,M>& fh,
const level_set_option_type& opt = level_set_option_type());