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Spherical to Cartesian coordinate conversion.

spherical2cartesian provides spherical to Cartesian coordinate conversion.

spherical2cartesian(r, theta = NULL, phi = NULL)

Arguments

r

a vector of radii (or a vector of length 3 holding r,theta,phi)
theta

a vector of inclinations
phi

a vector of azimuths

Value

A list of x, y, and z Cartesian coordinates.

See also

cartesian2spherical

Examples

spherical2cartesian(1, 0, pi / 2)
#> x y z 
#> 0 0 1 
spherical2cartesian(1, pi, pi / 4)
#>             x             y             z 
#>  8.659561e-17  8.659561e-17 -1.000000e+00 
spherical2cartesian(c(1, pi, pi / 4))
#>             x             y             z 
#>  8.659561e-17  8.659561e-17 -1.000000e+00