[OSM-dev] Verify upload of trackpoints/segments

[Joerg Ostertag (OSM Munich/Germany)]

...
>
> 1. tags
>
> At http://wiki.openstreetmap.org/index.php/Map_Features there is
> a discussion of possible tags for map features. Would it be a good
> idea to add defaults for tags where it makes sense. For example
> in the absence of the tag "oneway" it would by default be assumed
> as no. The possible advantage is less information in the database.
> The disadvantage is that clients need to be a little more
> intelligent.
>
> There is also no distinction between accepted values and recommanded
> values. Again the "oneway" tag is listed as possibly "yes,no,true,false,-1"
> Now I assume that yes and true have the same meaning. But as a client
> what is the recommanded value to use: yes or true?

I don't think that the absence of a tag implies a default. I normally first 
don't tag a segment at all. Then I start tagging with things I'm really sure 
about. Like foot=yes. If you now happen to have a default for car=yes you 
always have to tag car=unknown as long until you know which value car= really 
has.

-
Joerg