This function converts a quaternion time series into its angle-axis representation.
Arguments
- x
An object of class qts.
Value
A time series stored as a tibble::tibble with columns time,
angle, ux, uy and uz containing the angle-axis representation of
the input quaternions.
Examples
qts2aats(vespa64$igp[[1]])
#> # A tibble: 101 × 5
#> time angle ux uy uz
#> <int> <dbl> <dbl> <dbl> <dbl>
#> 1 0 0.214 0.746 0.654 0.125
#> 2 1 0.203 0.735 0.666 0.129
#> 3 2 0.191 0.725 0.676 0.133
#> 4 3 0.178 0.718 0.683 0.133
#> 5 4 0.167 0.714 0.689 0.128
#> 6 5 0.157 0.713 0.691 0.119
#> 7 6 0.147 0.716 0.690 0.105
#> 8 7 0.140 0.726 0.683 0.0837
#> 9 8 0.132 0.739 0.671 0.0554
#> 10 9 0.125 0.758 0.652 0.0201
#> # ℹ 91 more rows