prepare_solution {snvecR} | R Documentation |
Calculates helper columns from an astronomical solution input.
prepare_solution(data, quiet = FALSE)
data |
A data frame with the following columns:
The easiest way to get this is with |
quiet |
Be quiet?
|
New columns include:
lphu
Unwrapped longitude of perihelion \varpi
(degrees without
jumps).
lanu
Unwrapped longitude of the ascending node \Omega
(degrees
without jumps).
hh
Variable: e\sin(\varpi)
.
kk
Variable: e\cos(\varpi)
.
pp
Variable: 2\sin(0.5I)\sin(\Omega)
.
qq
Variable: 2\sin(0.5I)\cos(\Omega)
.
cc
Helper: \cos(I)
.
dd
Helper: \cos(I)/2
.
nnx
, nny
, nnz
The x
, y
, and z
-components of the
Earth's orbit unit normal vector \vec{n}
, normal to Earth's
instantaneous orbital plane.
A tibble with the new columns added.