Converts legacy Momocs objects (Out, Opn, Ldk classes) to tidy tibble format compatible with Momocs2. Combines the $coo list and $fac data frame into a single tibble with list columns.
Value
A tibble with:
List column "coo" with classes:
c("out", "coo") for Out objects (closed outlines)
c("cur", "coo") for Opn objects (open curves)
c("ldk", "coo") for Ldk objects (landmarks)
Individual matrices in coo have class "xy"
Additional list column "ldk_id" if landmarks were present
All columns from $fac (can be empty)
