diff options
| author | Daniel Friesel <derf@finalrewind.org> | 2022-12-03 22:02:48 +0100 |
|---|---|---|
| committer | Daniel Friesel <derf@finalrewind.org> | 2022-12-03 22:02:48 +0100 |
| commit | 73eee3d7b7ddbe845849db466f3f8693a01e85e6 (patch) | |
| tree | 1a67148f2f003efff1d185623b8574696ebef06e /lib/Travel | |
| parent | 2a316b36cc43c221df0d871b5ce3f94d4e1751a8 (diff) | |
Stations: document stat station names are no longer unique
Diffstat (limited to 'lib/Travel')
| -rw-r--r-- | lib/Travel/Status/DE/IRIS/Stations.pm.PL | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/lib/Travel/Status/DE/IRIS/Stations.pm.PL b/lib/Travel/Status/DE/IRIS/Stations.pm.PL index 90e56d4..4824a37 100644 --- a/lib/Travel/Status/DE/IRIS/Stations.pm.PL +++ b/lib/Travel/Status/DE/IRIS/Stations.pm.PL @@ -264,6 +264,10 @@ that it may contain space characters. =back +Note that station names are not unique. +A single station may be present multiple times with different EVA numbers and DS100 codes. +At the moment, EVA numbers and DS100 codes are unique. + =head1 METHODS =over @@ -276,7 +280,7 @@ Returns a list of all known stations, lexically sorted by station name. Returns a list of stations matching I<$in>. -If a I<$in> is a valid station (either DS100 code or EVA number), +If a I<$in> is a valid station identifier (either DS100 code or EVA number), a single array reference describing the station is returned. Otherwise, I<$in> is passed to get_station_by_name(I<$in>) (see below). @@ -289,18 +293,17 @@ returns the closest I<$num_matches> (defaults to 10) matches. Note that stations which are located more than 70 kilometers away from I<$lon>/I<$lat> may be ignored when computing the closest matches. -Note that location-based lookup is only supported for stations inside Germany, -since the station list data source does not provide geolocation data for -non-german stations. - =item Travel::Status::DE::IRIS::Stations::get_station_by_name(I<$name>) Returns a list of stations where the station name matches I<$name>. Matching happens in two steps: If a case-insensitive exact match exists, only -this one is returned. Otherwise, all stations whose name contains I<$name> as -a substring (also case-insensitive) and all stations whose name has a low -Levenshtein distance to I<$name> are returned. +this one is returned. For station names that correspond to several EVA/DS100 +codes, the match with the lowest EVA number is returned. + +Otherwise, all stations whose name contains I<$name> as a substring (also +case-insensitive) and all stations whose name has a low Levenshtein distance to +I<$name> are returned. This two-step behaviour makes sure that not-prefix-free stations can still be matched directly. For instance, both "Essen-Steele" and "Essen-Steele Ost" @@ -339,7 +342,7 @@ Travel::Status::DE::IRIS(3pm). Station data: Copyright (C) 2016 by DB Station&Service AG, Europaplatz 1, 10557 Berlin, Germany -Lookup code: Copyright (C) 2014-2020 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt> +Lookup code: Copyright (C) 2014-2022 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt> =head1 LICENSE |