Ensure object is an aniframe

Guard form of is_aniframe(), passed by any animovement frame class. Functions that need coordinates should guard with ensure_is_anipoint() instead.

Usage

ensure_is_aniframe(x)

Arguments

x

An object to test

Value

Error if not an aniframe

Examples

af <- example_anipoint(n_obs = 3, n_individuals = 1, n_keypoints = 1)
# Passes silently, and errors otherwise
ensure_is_aniframe(af)

try(ensure_is_aniframe(data.frame(x = 1)))
#> Error in ensure_is_aniframe(data.frame(x = 1)) : 
#>   Data is not an aniframe.