Hi Pete & all, On Tue, Mar 8, 2016 at 12:00 PM, Pete Masters <pedrito1...@googlemail.com> wrote:
> some of the buildings are too difficult distinguish individually. However, > I can see that there is a whole block of buildins. Is it ok to trace and > tag the whole block as building=yes? This is a recurring issue/challenge in many densely built areas. I've come to think that in many cases they are often essentially local "row-houses" as I've gotten to know them in Finland or townhouses as Americans would call individual buildings that are attached to each other by their side walls but have their own entrances -- and can even be totally independently built over time, even decades. And for row-houses/townhouses there is an existing tag: building=terrace , see http://wiki.openstreetmap.org/wiki/Tag:building%3Dterrace . I don't remember that it would have been discussed in the context of HOT's mapping projects if this would be a suitable tag. But I think that especially when the buildings in question are attached by their side walls it's really quite clear that they are, indeed, "terrace" houses. Of course it's not often possible to be sure from imagery if the buildings are actually attached by their side walls or if they e.g. have (narrow) passages/paths between them, possibly under roofs. But at least building=terrace implies that it's (likely) not a single large building. As it can be seen from Taginfo the tag is also used already globally covering not only Europe and North America / other more developed areas but also other parts of the world too. This said, perhaps the "terrace" house tag should be included as a common building tag in applicable HOT mapping projects? Cheers, -Jaakko -- Nicaragua main mobile/WhatsApp/Telegram: +505-8131-0729, Alt. mobile 8845-3391 Global (Google) Voice / SMS: +1-202-730-9778 * Skype: jhelleranta Twitter/Telegram/IRC/Mumble: @jaakkoh * My profile: http://jaakko.helleranta.com
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