Allows you to define unions or intersections of shapes that are results of previously defined searches. You can define a maximum of 10 unions/intersections
make_union_intersect(id, search_ids)
A data.frame wrapped in a list. It is constructed in a way that allows jsonlite::toJSON to correctly transform it into a valid request body
Used to identify this specific search in the results array. MUST be unique among all searches.
An unnamed list of search ids which results will formulate this union.
See https://docs.traveltime.com/api/reference/isochrones for details
See time_map
for usage examples