Collaboration diagram for Slic3r::SeamPlacerImpl::PaintedContour:

Public Member Functions
std::vector< std::pair< Vec2d, Vec2d > >	crossings (double z, const Vec2d &min, const Vec2d &max) const

Public Attributes
std::vector< Linef3 >	edges
std::vector< Vec3d >	inward
AABBTreeIndirect::Tree< 3, double >	tree

Detailed Description

Member Function Documentation

◆ crossings()

std::vector< std::pair< Vec2d, Vec2d > > Slic3r::SeamPlacerImpl::PaintedContour::crossings	(	double	z,
		const Vec2d &	min,
		const Vec2d &	max ) const

inline

                                                                                                 {
    std::vector<std::pair<Vec2d, Vec2d>> result;
    const Eigen::AlignedBox<double, 3> box(Vec3d(min.x(), min.y(), z), Vec3d(max.x(), max.y(), z));
    AABBTreeIndirect::traverse(tree, AABBTreeIndirect::intersecting(box), [&](const auto &node) {
      const Linef3 &edge = edges[node.idx];
      // Half-open in z counts a contour vertex on the plane once.
      if ((edge.a.z() < z) != (edge.b.z() < z)) {
        const Vec3d p = edge.intersect_plane(z);
        result.emplace_back(p.head<2>(), inward[node.idx].template head<2>());
      }
      return true;
    });
    return result;
  }