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Hello everybody, almost a year ago I asked on this mailing list how to tag the importance of a station: http://lists.openrailwaymap.org/archives/openr ailwaymap/2015-March/000207.html Sadly this discussion ended after a while without any results. Now I want to start a second attempt, hopefully with a draft that we can document in the OpenRailwayMap tagging scheme and implement for rendering stations in OpenRailwayMap. A summary of the previous discussion: Currently we use the tag railway:station_category=1-7 for mapping the German railway station category ( http://en.wikipedia.org/wiki/German_railway_station_categories), but this is very german-specific. We need a way to tag the importance of a station using generic definitions that are independent from any country -specific categories. Numeric values are not user-friendly, terms are preferred. The importance of stations is useful for rendering. This information is necessary e.g. for rendering only major stations in low zoom levels. It is also necessary for the decision which label is rendered in cases of collision. The importance of stations is also necessary for ranking search results. There are no other ways to distinguish the importance of stations. Looking at route relations associated to a stations could be a possible solution, but is very complex to implement and would require preprocessing. This would also just work for passenger stations, but not for e.g. freight yards. Looking at the number of platforms is also complex to implement and does not produce useful results (examples: http://lists.openrailwaymap. org/archives/openrailwaymap/2015-April/000224.html). Recently I discovered that there is already a proposal for tagging the importance of various features, including stations: http://wiki.openstreetmap.org/wiki/Key:importance. I like that proposal and suggest the following definitions: * importance=international: * Location and served areas: located in big cities (often capitals), an important node in the international and national long-distance traffic network, is a central node of the public transport network of large region * Traffic: highspeed trains, long-distance trains, night trains, regional trains, commuter trains * Examples: Frankfurt (Main), Munich, Stuttgart, Vienna, Salzburg * importance=national: * Location and served areas: located in cities with national importance, important for interchanging between long-distance and regional trains, used for interchanging between long-distance trains that connect different parts of a country, important node of the regional public transport network * Traffic: (mostly national) long-distance trains, regional trains, commuter trains * Examples: Mainz, Mannheim, Bonn, Freiburg (Breisgau), Magdeburg * importance=regional: * Location and served areas: located in cities and larger towns with regional importance, important for interchanging between regional trains, important node of the regional public transport network * Traffic: regional trains, commuter trains * Examples: Düren, Euskirchen, Lienz * importance=urban: * Location and served areas: located in towns and larger villages with local importance, used for connecting these places to larger cities, important node of the local public transport network, used for interchanging between local public transport routes * Traffic: regional trains stopping only in important stations (Regionalexpress in Germany), regional and commuter trains (S- und Regionalbahnen in Germany) * Examples: Remagen, Andernach, Dormagen, Wernigerode * importance=suburban: * Location and served areas: located in suburbs of metropolitan areas, connecting suburbs and bigger light rail and tram stations * Traffic: commuter trains (S-Bahnen in Germany), light rails (U- oder Stadtbahnen in Germany) * Examples: Düsseldorf-Friedrichstadt, Köln Hansaring * importance=local: * Location and served areas: typically located in rural areas, hamlets, villages * Traffic: regional trains stopping at every station (Regionalbahnen in Germany) * Examples: Satzvey, Dalheim, Brocken, Drei Annen-Hohne This is more a characterization than a definition due to the situation that the boundaries between these categories are fluid, similar to road types in OpenStreetMap. I propose to leave the existing railway:station_category=* tags for mapping country-specific categories like the German railway station categories. Regards Alex -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 473 bytes Desc: This is a digitally signed message part URL: <http://lists.openrailwaymap.org/archives/openrailwaymap/attachments/20160303/b21eba05/attachment.sig>