Description Usage Arguments Value Author(s)
Convert points in 3D cartesian space to locations of points on sphere in 'wedge' coordinates (psi, f). Wedges are defined by planes inclined at an angle psi running through a line between poles on the rim above the x axis. f is the fractional distance along the circle defined by the intersection of this plane and the curtailed sphere.
1 | sphere.cart.to.sphere.wedge(P, phi0, R = 1)
|
P |
locations of points on sphere as N-by-3 matrix with labelled columns "X", "Y" and "Z" |
phi0 |
rim angle as colatitude |
R |
radius of sphere |
2-column Matrix of 'wedge' coordinates of points on
sphere. Column names are phi
and lambda
.
David Sterratt
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