Railway=station as an area?

General talk Tagging general discussion
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I think that satisfying rendering and routing should have priority over linear referencing. You can see exactly what I mean in this updated diagram, which now includes decision points regarding linear referencing:

Mermaid source code 
flowchart TD
    start(["`Where should you place the railway operating site (e.g. *railway=station*) node?`"])
        --> UBahn{"`Is it completely underground?`"}
    UBahn -->|Yes| platf
    UBahn -->|No| bldng{"`Is there a *building=train_station* area?`"}
    bldng -->|Yes| centr([To its centroid that lies inside the polygon.])
    bldng -->|No| platf{"`Are there *railway=platform*s?`"}
    platf -->|Yes, one| centr
    platf -->|Yes, multiple| hull["`Draw a concave hull around them in your mind.`"]
    platf -->|No| trcks{Are there multiple tracks?}
    trcks -->|Yes| stop{"`Are there *railway=stop* nodes on the tracks?`"}
    trcks -->|No| entry{Are there entry signals?}
    stop -->|Yes| hull
    stop -->|No| taket[Take the tracks themselves.]
    entry -->|Yes| hull
    entry -->|No| ref{"`Is its *railway:position=\** known?`"}
    taket --> hull
    hull --> centr
    ref -->|Yes| miles{"`Is it possible to interpolate this position using nearby *railway=milestone*s?`"}
    ref -->|No| name
    miles -->|Yes| estlo["`Estimate the linearly referenced location of the operating site.`"]
    miles -->|No| name{Is there a name sign?}
    estlo --> there([There.])
    name -->|Yes| there
    name -->|No| estce[Estimate the centre of the operating site.]
    estce --> there
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