Slic3r::Geometry::impl Namespace Reference

Classes
class	Epick
struct	ParabolicTangentToParabolicTangentOrientationPredicate
struct	ParabolicTangentToSegmentOrientationPredicate

Typedefs
using	K = CGAL::Simple_cartesian< double >
using	FK = CGAL::Simple_cartesian< CGAL::Interval_nt_advanced >
using	EK = CGAL::Simple_cartesian< CGAL::MP_Float >
using	C2E = CGAL::Cartesian_converter< K, EK >
using	C2F = CGAL::Cartesian_converter< K, FK >
using	ParabolicTangentToSegmentOrientationPredicateFiltered = CGAL::Filtered_predicate< ParabolicTangentToSegmentOrientationPredicate< EK >, ParabolicTangentToSegmentOrientationPredicate< FK >, C2E, C2F >
using	ParabolicTangentToParabolicTangentOrientationPredicateFiltered = CGAL::Filtered_predicate< ParabolicTangentToParabolicTangentOrientationPredicate< EK >, ParabolicTangentToParabolicTangentOrientationPredicate< FK >, C2E, C2F >

Functions
template<typename K >
K::Vector_2	calculate_parabolic_tangent_vector (const typename K::Point_2 &p, const typename K::Point_2 &f, const typename K::Point_2 &u, const typename K::Point_2 &v, const typename K::Orientation &tangent_orientation)

Typedef Documentation

C2E

using Slic3r::Geometry::impl::C2E = typedef CGAL::Cartesian_converter<K, EK>

C2F

using Slic3r::Geometry::impl::C2F = typedef CGAL::Cartesian_converter<K, FK>

EK

using Slic3r::Geometry::impl::EK = typedef CGAL::Simple_cartesian<CGAL::MP_Float>

FK

using Slic3r::Geometry::impl::FK = typedef CGAL::Simple_cartesian<CGAL::Interval_nt_advanced>

K

using Slic3r::Geometry::impl::K = typedef CGAL::Simple_cartesian<double>

ParabolicTangentToParabolicTangentOrientationPredicateFiltered

using Slic3r::Geometry::impl::ParabolicTangentToParabolicTangentOrientationPredicateFiltered = typedef CGAL::Filtered_predicate<ParabolicTangentToParabolicTangentOrientationPredicate<EK>, ParabolicTangentToParabolicTangentOrientationPredicate<FK>, C2E, C2F>

ParabolicTangentToSegmentOrientationPredicateFiltered

using Slic3r::Geometry::impl::ParabolicTangentToSegmentOrientationPredicateFiltered = typedef CGAL::Filtered_predicate<ParabolicTangentToSegmentOrientationPredicate<EK>, ParabolicTangentToSegmentOrientationPredicate<FK>, C2E, C2F>

Function Documentation

calculate_parabolic_tangent_vector()

template<typename K >

K::Vector_2 Slic3r::Geometry::impl::calculate_parabolic_tangent_vector ( const typename K::Point_2 &  p, const typename K::Point_2 &  f, const typename K::Point_2 &  u, const typename K::Point_2 &  v, const typename K::Orientation &  tangent_orientation  )

inline

    {
        using RT       = typename K::RT;
        using Vector_2 = typename K::Vector_2;
 
        const Vector_2 directrix_vec            = v - u;
        const RT       directrix_vec_sqr_length = CGAL::scalar_product(directrix_vec, directrix_vec);
        Vector_2       focus_vec                = (f - u) * directrix_vec_sqr_length - directrix_vec * CGAL::scalar_product(directrix_vec, p - u);
        Vector_2       tangent_vec              = focus_vec.perpendicular(tangent_orientation);
        return tangent_vec;
    }

References Slic3r::f().

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