CGAL 6.0 - dD Spatial Searching
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Requirements of an orthogonal distance class supporting incremental distance updates. To optimize distance computations transformed distances are used. E.g., for a Euclidean distance the transformed distance is the squared Euclidean distance.
GeneralDistance
CGAL::Euclidean_distance<Traits>
CGAL::Weighted_Minkowski_distance<Traits>
Types | |
typedef unspecified_type | D |
Dimension Tag. | |
typedef unspecified_type | FT |
Number type. | |
typedef unspecified_type | Point_d |
Point type. | |
typedef unspecified_type | Query_item |
Query item type. | |
Creation | |
OrthogonalDistance () | |
Constructor implementing distance for d -dimensional points. | |
Operations | |
FT | transformed_distance (Query_item q, Point_d r) const |
Returns the transformed distance between q and r . | |
FT | min_distance_to_rectangle (Query_item q, Kd_tree_rectangle< FT, D > r) const |
Returns the transformed distance between q and the point on the boundary of r closest to q . | |
FT | min_distance_to_rectangle (Query_item q, Kd_tree_rectangle< FT, D > r, std::vector< FT > &dists) |
Returns the transformed distance between q and the point on the boundary of r closest to q . | |
FT | max_distance_to_rectangle (Query_item q, Kd_tree_rectangle< FT, D > r) const |
Returns the transformed distance between q and the point on the boundary of r farthest to q . | |
FT | max_distance_to_rectangle (Query_item q, Kd_tree_rectangle< FT, D > r, std::vector< FT > &dists) |
Returns the transformed distance between q and the point on the boundary of r farthest to q . | |
FT | transformed_distance (FT d) const |
Returns the transformed distance. | |
FT | inverse_of_transformed_distance (FT d) const |
Returns the inverse of the transformed distance. | |
FT | new_distance (FT dist, FT old_off, FT new_off, int cutting_dimension) const |
Updates dist incrementally and returns the updated distance. | |
FT OrthogonalDistance::max_distance_to_rectangle | ( | Query_item | q, |
Kd_tree_rectangle< FT, D > | r, | ||
std::vector< FT > & | dists | ||
) |
Returns the transformed distance between q
and the point on the boundary of r
farthest to q
.
The vector dists
has the size of the dimension of the data points and is filled with the distance in each dimension.
FT OrthogonalDistance::min_distance_to_rectangle | ( | Query_item | q, |
Kd_tree_rectangle< FT, D > | r, | ||
std::vector< FT > & | dists | ||
) |
Returns the transformed distance between q
and the point on the boundary of r
closest to q
.
The vector dists
has the size of the dimension of the data points and is filled with the distance in each dimension.