> On Feb 6, 2020, at 10:35 PM, Warin <61sundow...@gmail.com> wrote: > > On 7/2/20 3:47 pm, Graeme Fitzpatrick wrote: >> >> >> >> On Fri, 7 Feb 2020 at 14:30, Warin <61sundow...@gmail.com >> <mailto:61sundow...@gmail.com>> wrote: >> Let say a hospital has collapsed. >> >> The crisis mapping page I linked to would have you add the tag >> damaged=collapsed to the amenity=hospital. >> >> So the render would render the hospital the same as a fully functional >> hospital. That is certainly not want I'd want. >> >> >> >> Better if life cycle things were rendered .. but different from fully >> functional things. >> >> >> How about rendering a nice, big red X overlaying the outline of the building >> when it's marked as disused! :-) > > Not only buildings.. paths, roads, train stations/tracks shops, etc. And not > only disused, abandoned, razed, etc... > > Rendering is not easy. >
+1 Based on the little rendering that I’ve been doing, it seems to me that each and every feature may require different treatment when handling lifecycle tagging. I handle lifecycle tagging on buildings as there are a number of them along some of the trails I hike and they are distinct landmarks so I’d like them to be on my hiking focused maps. But my treatment of lifecycle tagging on buildings would not be suitable for rendering a ruined railway or highway bridge. I’ve yet to hike (and map) a trail that took me within sight of a ruined bridge so I haven’t thought about how it could be rendered in a manner appropriate to my general map style. I think a strong argument can be made that the style used to generate the “standard” map at https://www.openstreetmap.org/ should ignore ruins:* and, by extension, objects that also have “ruins=yes” tags. Though maybe it ought to treat disused:* and maybe abandoned:* as null prefixes (i.e. render the same as the equivalent *). But for maps where the state of a building or other feature is more important, like rendering for HOT, some effort should be made to support lifecycle prefixes on as many types of objects as possible. Cheers, Tod
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