this post was submitted on 29 Jul 2024
40 points (100.0% liked)

OpenStreetMap community

3878 readers
29 users here now

Everything #OpenStreetMap related is welcome: software releases, showing of your work, questions about how to tag something, as long as it has to do with OpenStreetMap or OpenStreetMap-related software.

OpenStreetMap is a map of the world, created by people like you and free to use under an open license.

Join OpenStreetMap and start mapping: https://www.openstreetmap.org.

There are many communication channels about OSM, many organized around a certain country or region. Discover them on https://openstreetmap.community

https://mapcomplete.org is an easy-to-use website to view, edit and add points (such as shops, restaurants and others)

https://learnosm.org/en/ has a lot of information for beginners too.

founded 4 years ago
MODERATORS
 

Hello! I've just started using StreetComplete, and I want to make sure I understand the answers before I go through and make a bunch of garbage data.

In this picture, is the kerb a ramp, or flush?

The sidewalk deflects downwards, but it's not a ramp ramp like the example picture.

How about this one?

The kerb itself dips, but the sidewalk on this one looks more flat and does simply run into the road. And then it has the texture, obviously. Is this one different from the last one?

Also, just to check, I marked both of these sidewalks as "concrete". That's correct, right? I wondered about "concrete plate", because they're segmented, but the picture made concrete plate look much more substantial.

My other question was based on the "lit" tag for a bus stop. This bus stop has a street light near it, but there's no light on the bus stop itself. It sounds like that means it is lit? Would a non-lit stop just be one that is fully dark at night, then, with no kind of lighting anywhere near it at all?

This one is further from the street light, but still has line of sight. Lit?

Thanks very much for any help you have!

top 8 comments
sorted by: hot top controversial new old
[–] [email protected] 5 points 1 month ago (1 children)

@psycotica0 https://wiki.openstreetmap.org/wiki/Key:kerb

Only use flush if the transition would not be apparent to a blind person. Less than 3cm of curb. If a cane would catch the curb, it should be tagged as lowered.

StreetComplete's "curb ramp" option gives the curb the lowered tag, making it the same as if you picked the "a bit higher than road surface" option.

[–] [email protected] 3 points 1 month ago* (last edited 1 month ago) (1 children)

@psycotica0 concrete:plates are pre-formed chunks that can be moved into place. concrete is poured in-place, and is the correct value for sidewalks. I have never seen any actual concrete:plates in use in real life, but SC users are tagging it all the time. They should honestly make the difference more clear in the app.

As for lit tags, I turned those off because I didn't want to overthink it.

[–] [email protected] 2 points 1 month ago (1 children)

Yeah, I think the image for concrete plates in the app is from the wiki, and is kinda unclear because it's some rectangles of concrete. And I'm looking down and what I'm seeing is a series of rectangles made of concrete. I agree, though, with that in mind I feel like the app could benefit from some guidance there to say "concrete, perhaps with joints, such as for sidewalks" or "concrete plates, precast elsewhere and installed. Rarely used" or something. Just a bit of a nudge in the right direction.

[–] [email protected] 3 points 1 month ago

@psycotica0 @uneabeille @openstreetmap

I think the key feature of the picture on the wiki is that they have visible lift points near the corners.

In some of the pictures they have been filled, but in others they haven't.

https://wiki.openstreetmap.org/wiki/File:Bypass_road_made_of_big_concrete_plates.jpg

[–] [email protected] 4 points 1 month ago (1 children)

@psycotica0 @openstreetmap
I suppose there could be something tricky going on, but that just looks like normal concrete with 'joints' that have been cut or cast into it after it has been poured in situ. I think the concrete plate tag is for pre-cast bits that are made somewhere else and then brought in and dropped in place.

[–] [email protected] 2 points 1 month ago

Right, okay, that's the way I interpreted it too. Thanks!

[–] [email protected] 2 points 1 month ago* (last edited 1 month ago) (1 children)

One is a ramp, concrete sidewalk and asphalt ramp, two is flush, all concrete with a textured plastic plate for the vision impaired.

I would say neither of those bus stops are lit, in my mind the shelter should provide the lighting but I could be wrong.

[–] [email protected] 2 points 1 month ago

Yeah, my original interpretation of lit matched that. I have seen bus shelters with lights in my life, and this isn't one of those.

But the wiki makes it sound a bit more vague, even saying a footway lit by the glow of a nearby billboard is lit. But at that seems a bit... useless to me? Since basically anything within a city that isn't a forest will be lit by some kind of glow.

So that's what made me wonder if this tag really is effectively meant to indicate full darkness, essentially?