Random
Base.rand
— Methodrand([rng], G, crs=Cartesian3D)
Generate a random geometry of type G
with CRS crs
, optionally passing a random number generator rng
.
Examples
rand(Point)
rand(Triangle)
rand(Point, crs=Cartesian2D)
rand(Triangle, crs=LatLon)
Base.rand
— Methodrand([rng], G, n, crs=Cartesian3D)
Generate a vector of n
random geometries of type G
with CRS crs
, optionally passing a random number generator rng
.
Examples
rand(Point, 10)
rand(Triangle, 10)
rand(Point, 10, crs=Cartesian2D)
rand(Triangle, 10, crs=LatLon)
Random geometries can be generated using the rand
function:
rand(Point)
Point with Cartesian{NoDatum} coordinates
├─ x: 0.9727996456517044 m
├─ y: 0.2277914237547778 m
└─ z: 0.22939142837921378 m
By default, the rand
function uses the Cartesian3D
CRS (Coordinate Reference System). It's possible to change the CRS using the crs
keyword argument:
rand(Point, crs=Cartesian2D)
Point with Cartesian{NoDatum} coordinates
├─ x: 0.5830760183398994 m
└─ y: 0.20527926250894157 m
A vector of geometries can be generated by passing the number of elements as the second argument:
rand(Segment, 5, crs=LatLon)
5-element Vector{Segment{🌐, CoordRefSystems.GeodeticLatLon{CoordRefSystems.WGS84Latest, Unitful.Quantity{Float64, NoDims, Unitful.FreeUnits{(°,), NoDims, nothing}}}}}:
Segment((lat: -44.4341°, lon: -44.5798°), (lat: -70.459°, lon: 79.4344°))
Segment((lat: -32.7827°, lon: -79.287°), (lat: -23.7241°, lon: 126.41°))
Segment((lat: -59.0237°, lon: 70.58°), (lat: -51.943°, lon: -93.4053°))
Segment((lat: 42.2921°, lon: 120.3°), (lat: 75.5217°, lon: 61.4754°))
Segment((lat: -27.2623°, lon: 131.06°), (lat: 26.1614°, lon: -99.8146°))
For reproducibility purposes, a random number generator can be passed as the first argument in both methods:
rng = Xoshiro(123)
rand(rng, Triangle)
Triangle
├─ Point(x: 0.521213795535383 m, y: 0.5868067574533484 m, z: 0.8908786980927811 m)
├─ Point(x: 0.19090669902576285 m, y: 0.5256623915420473 m, z: 0.3905882754313441 m)
└─ Point(x: 0.044818005017491114 m, y: 0.933353287277165 m, z: 0.5805599818745412 m)
rand(rng, Triangle, 5)
5-element Vector{Triangle{𝔼{3}, CoordRefSystems.Cartesian3D{CoordRefSystems.NoDatum, Unitful.Quantity{Float64, 𝐋, Unitful.FreeUnits{(m,), 𝐋, nothing}}}}}:
Triangle((x: 0.327238 m, y: 0.526996 m, z: 0.836229 m), (x: 0.0409061 m, y: 0.465202 m, z: 0.362649 m), (x: 0.102205 m, y: 0.720103 m, z: 0.573619 m))
Triangle((x: 0.664468 m, y: 0.295367 m, z: 0.276597 m), (x: 0.983436 m, y: 0.880897 m, z: 0.234017 m), (x: 0.380949 m, y: 0.131944 m, z: 0.088291 m))
Triangle((x: 0.313505 m, y: 0.46361 m, z: 0.713636 m), (x: 0.205925 m, y: 0.0905512 m, z: 0.581912 m), (x: 0.311448 m, y: 0.121148 m, z: 0.20453 m))
Triangle((x: 0.38669 m, y: 0.018572 m, z: 0.0721807 m), (x: 0.914247 m, y: 0.387374 m, z: 0.771916 m), (x: 0.377383 m, y: 0.875555 m, z: 0.264568 m))
Triangle((x: 0.901877 m, y: 0.864693 m, z: 0.732238 m), (x: 0.103197 m, y: 0.587585 m, z: 0.809433 m), (x: 0.223841 m, y: 0.858524 m, z: 0.375417 m))