Slic3r::AABBMesh::AABBImpl Class Reference

Public Member Functions
void	init (const indexed_triangle_set &its, bool calculate_epsilon)
void	intersect_ray (const indexed_triangle_set &its, const Vec3d &s, const Vec3d &dir, igl::Hit< float > &hit)
void	intersect_ray (const indexed_triangle_set &its, const Vec3d &s, const Vec3d &dir, std::vector< igl::Hit< float > > &hits)
double	squared_distance (const indexed_triangle_set &its, const Vec3d &point, int &i, Eigen::Matrix< double, 1, 3 > &closest)

Private Attributes
AABBTreeIndirect::Tree3f	m_tree
double	m_triangle_ray_epsilon

Detailed Description

Member Function Documentation

init()

void Slic3r::AABBMesh::AABBImpl::init ( const indexed_triangle_set & its, bool calculate_epsilon )

inline

    {
        m_triangle_ray_epsilon = 0.000001;
        if (calculate_epsilon) {
            // Calculate epsilon from average triangle edge length.
            double l = its_average_edge_length(its);
            if (l > 0)
                m_triangle_ray_epsilon = 0.000001 * l * l;
        }
        m_tree = AABBTreeIndirect::build_aabb_tree_over_indexed_triangle_set(
            its.vertices, its.indices);
    }

References Slic3r::AABBTreeIndirect::build_aabb_tree_over_indexed_triangle_set(), Slic3r::its_average_edge_length(), m_tree, and m_triangle_ray_epsilon.

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intersect_ray() [1/2]

void Slic3r::AABBMesh::AABBImpl::intersect_ray ( const indexed_triangle_set & its, const Vec3d & s, const Vec3d & dir, igl::Hit< float > & hit )

inline

    {
        AABBTreeIndirect::intersect_ray_first_hit(its.vertices, its.indices,
                                                  m_tree, s, dir, hit, m_triangle_ray_epsilon);
    }

References Slic3r::AABBTreeIndirect::intersect_ray_first_hit(), m_tree, and m_triangle_ray_epsilon.

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intersect_ray() [2/2]

void Slic3r::AABBMesh::AABBImpl::intersect_ray ( const indexed_triangle_set & its, const Vec3d & s, const Vec3d & dir, std::vector< igl::Hit< float > > & hits )

inline

    {
        AABBTreeIndirect::intersect_ray_all_hits(its.vertices, its.indices,
                                                 m_tree, s, dir, hits, m_triangle_ray_epsilon);
    }

References Slic3r::AABBTreeIndirect::intersect_ray_all_hits(), m_tree, and m_triangle_ray_epsilon.

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squared_distance()

double Slic3r::AABBMesh::AABBImpl::squared_distance ( const indexed_triangle_set & its, const Vec3d & point, int & i, Eigen::Matrix< double, 1, 3 > & closest )

inline

    {
        size_t idx_unsigned { 0 };
        Vec3d  closest_vec3d { Vec3d::Zero() };
        const double dist {
            AABBTreeIndirect::squared_distance_to_indexed_triangle_set(
                its.vertices, its.indices, m_tree, point, idx_unsigned,
                closest_vec3d) };
        i       = int(idx_unsigned);
        closest = closest_vec3d;
        return dist;
    }

References Slic3r::Geometry::dist(), m_tree, and Slic3r::AABBTreeIndirect::squared_distance_to_indexed_triangle_set().

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Member Data Documentation

m_tree

AABBTreeIndirect::Tree3f Slic3r::AABBMesh::AABBImpl::m_tree

private

Referenced by init(), intersect_ray(), intersect_ray(), and squared_distance().

m_triangle_ray_epsilon

double Slic3r::AABBMesh::AABBImpl::m_triangle_ray_epsilon

private

Referenced by init(), intersect_ray(), and intersect_ray().

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The documentation for this class was generated from the following file:

• /home/runner/work/OrcaSlicer/OrcaSlicer/src/libslic3r/AABBMesh.cpp