.tif format in a given data pathR/utils.R
exists_tiff.RdCheck if there is an elevation data file in .tif format in a given data path
exists_tiff(data_path)TRUE if there is a .tif file, FALSE otherwise
Other support functions:
fileurl_from_metadata(),
get_gtfs_errors(),
start_r5r_java(),
stop_r5(),
tempdir_unique(),
travel_time_surface(),
validate_bad_osm_ids()