<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body><div>On Wed, 2017-05-10 at 19:15 +0200, Colin Smale wrote:</div><blockquote type="cite">
<p>Just to add a dimension... At many stations in NL and UK at least, trains of different lengths stop at different places along the platform, roughly so the middle of the train is by the exit. So this will need multiple stop positions on each platform. These are signed for the train driver.</p>
<div> </div></blockquote><div>Or the exit is at the back of the train in the case of my local station, but I'm just being pedantic there.</div><div><br></div><div>The main issue with stop positions is that they cannot be associated with a route, the position will depend on which platform the train is routed through and the length of the train. The best OSM can do is route to the station and then its look at, or wait for, the information boards.</div><div><br></div><div>Phil (trigpoint)</div><div><br></div><div><br></div><blockquote type="cite">
<p><br></p>
<p>On 2017-05-10 18:59, Bjoern Hassler wrote:</p>
<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0"><!-- html ignored --><!-- head ignored --><!-- meta ignored -->
<div dir="ltr"><span style="color: #000000;">Hello again,</span>
<div><span style="color: #000000;"> </span></div>
<div><span style="color: #000000;">In an <span style="font-family: sans-serif;"> </span><a class="extiw" style="background-image: none; background-position: initial; background-size: initial; background-repeat: initial; background-origin: initial; background-clip: initial; text-decoration-line: none; font-family: sans-serif;" title="osm:relation:route" href="https://wiki.openstreetmap.org/wiki/relation:route">osm:relation:route</a><span style="font-family: sans-serif;"> (type=route, route=train/...), you have both platforms and stop positions. How is a particular platform associated with a stop that serves it?</span></span></div>
<div><span style="color: #000000;"><span style="font-family: sans-serif;"> </span></span></div>
<div><span style="color: #000000;"><span style="font-family: sans-serif;">E.g. for public transport routing, you'd walk (highway=footway) to a platform (</span></span><span style="color: #000000; font-family: sans-serif;">public_transport=platform), at which point you'd change to a train stopping at a stop (public_transport=stop_position). How would the routing algorithm know that the platform is associated with the stop? </span></div>
<div><span style="color: #000000; font-family: sans-serif;"> </span></div>
<div><span style="color: #000000; font-family: sans-serif;">Is there an existing mechanism or convention, e.g. a tag on the platform that indicates the stop, or both tagged with the same name or similar?</span></div>
<div><span style="color: #000000; font-family: sans-serif;"> </span></div>
<div><span style="color: #000000; font-family: sans-serif;">Thanks!</span></div>
<div><span style="color: #000000; font-family: sans-serif;">Bjoern</span></div>
<div><span style="color: #000000;"> </span></div>
<div><span style="color: #000000; font-family: sans-serif;">PS I've noticed that sometimes the stop position is at the far end of a platform (i.e. the two stop positions are at opposite ends of the station). Maybe that's so that an association can be made?</span></div>
</div>
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