Track tables produced by track_df
can use a
cartesian (x, y, z) or a geographic (latitude, longitude, altitude)
coordinate system. This function helps determine which is being used in a
particular table.
Arguments
- x
A track data table as produced by
track_df
.
Author
Simon Garnier, garnier@njit.edu
Examples
data(short_tracks)
is_geo(short_tracks)
#> [1] TRUE