Returns the base movement created by explodemap. These offsets are distinct
from manual/editorial offsets stored by dragmapr.
Arguments
- layout
A
grouped_exploded_map.- level
Either
"group"or"feature".- id_col
Optional feature ID column for
level = "feature".- require_stable_id
Require a real feature ID column for feature-level persistent handoffs. When
TRUE, row-number fallback IDs are rejected. Defaults toTRUEwhenlevel = "feature",FALSEotherwise.
