This class is an extension (but not a subclass of) point(). It simply
attaches a numeric weight to the point that is carried along with it.
However, most of the functionality of points are lost with this vector class
as all the a math and sorting operations are gone due to ambiguity on whether
to operate on the point or the weight. Weighted points can easily be
converted to points however.
Arguments
- ...
Various input. See the Constructor section.
- default_dim
The dimensionality when constructing an empty vector
- x
A point vector or an object to convert to it
Constructors
2 dimensional weighted points
Providing three numeric vector will construct points with those x and y coordinate and a weight.
Providing a point and a numeric will construct points with the given weight
3 dimensional weighted points
Providing four numeric vector will construct points with those x, y and z coordinate and a weight.
Providing a point and a numeric will construct points with the given weight
See also
Other Geometries:
circle(),
direction(),
iso_cube(),
iso_rect(),
line(),
plane(),
point(),
ray(),
segment(),
sphere(),
tetrahedron(),
triangle(),
vec()
Other Locations:
barycenter(),
bisector(),
centroid(),
circumcenter(),
equidistant_line(),
point(),
radical()
Examples
# Construction
wp <- weighted_point(sample(5), sample(5), runif(5))
wp
#> <2D point_ws [5]>
#> [1] <x:5, y:5, w:0.0665> <x:4, y:1, w:0.428> <x:3, y:3, w:0.0625>
#> [4] <x:2, y:2, w:0.984> <x:1, y:4, w:0.642>
# Convert to point
p <- as_point(wp)
p
#> <2D points [5]>
#> [1] <x:5, y:5> <x:4, y:1> <x:3, y:3> <x:2, y:2> <x:1, y:4>
# Construct from point and weight
weighted_point(p, 1:5)
#> <2D point_ws [5]>
#> [1] <x:5, y:5, w:1> <x:4, y:1, w:2> <x:3, y:3, w:3> <x:2, y:2, w:4>
#> [5] <x:1, y:4, w:5>