[Tagging] Current status of the key smoothness=*

David dbannon at internode.on.net
Fri Mar 13 03:43:39 UTC 2015

"I think this should be resolved with lots and lots of photos.."

I think it would be a mistake to put too much emphasis on photos. In my experience, photos very rarely show the true "usability" of a road or track. It does really need to be looked at in context, the issues averaged out by eye. One, or even a set of snapshots just does not cut it !

And talking of issues, last time this discussion came up, from memory, we identified about 20 separate issues that might need to be considered. So lets not talk about trying to identify measurables.

The smoothness tag, as described, already takes the right direction, it tries to judge the usability of the road. And, honestly, thats what people want to know !

Lets improve it with better values, sure a heap of photos if thats what people want. But clear words that describe just what sort of vehicle could traverse the road.

So, questions, for better values, numerical or verbal ?

Is it acceptable for a tag to have two, parallel sets of values, why not ?

If we can get past there, we can then look for more descriptive sets of words....



Janko Mihelić <janjko at gmail.com> wrote:

>I think this should be resolved with lots and lots of photos, which the
>community then segregates into classes. Smoothness on asphalt is something
>entirely different than smoothness on sand, or smoothness on ground.
>When a mapper is in doubt, just look at 10 photos which are determined to
>be grade3, and then you can be sure that's the right value.
>Tagging mailing list
>Tagging at openstreetmap.org
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