Validate aniframe spatial readiness.

Consolidates the input validation that every aniframe-aware filter has to do before touching the spatial coordinates: the input must be an aniframe, every column named in the metadata field variables_where must be present, and each must be numeric.

Usage

ensure_aniframe_spatial(data)

Arguments

data

An aniframe.

Value

data, invisibly.

Details

Aborts with a granular error message identifying which condition failed; otherwise returns data invisibly.