> On Jan 16, 2015, at 6:22 AM, David Bannon <dban...@internode.on.net> wrote:
> 
> On Thu, 2015-01-15 at 18:07 +0100, Michał Brzozowski wrote:
> ....
>> Some people in Poland (the ones who never browse community forums)
>> maniacally tag every dirt road as highway=track, even if it should be
>> residential+unpaved 
> 
> Thats is a case of "tagging for the renderer" I'm afraid. They do that
> because they want to see the map show the unpaved-ness (sorry) of the
> road. Clearly wrong but you can understand why they do it.

I had a quick comment, especially as I have done exactly that when I first 
started. I’m going back to correct some of my more glaring errors as I clean up 
what I had done int he past. 

The biggest thing to me is that is exactly what the mappers are working for - a 
more accurate map (the output of the renderer) and it takes a long time to get 
the idea that we’re tagging for a dataset, not an output for the dataset. 
“Those people talking about relations and semicolons have to worry about that 
stuff, I’m just tracing imagery in iD!” I’m guessing is the mindset. And 
especially where I started mapping, in central Japan which had almost no 
cleanup done since a data import, bringing any order to the spaghetti of badly 
aligned and outdated “unclassified roads” that covered everything was better 
than doing nothing. 

since there is not many obvious visible uses (to new mappers) for the mapping 
data beside the output rendered onopenstreetmap.org 
<http://onopenstreetmap.org/>, then tagging for the renderer is the only 
possible verifiable way to check to see what they are doing is (remotely) 
correct. Train stations were confusing as hell to me, as a couple broken areas 
made me completely flummoxed as to how to get a “station” to “show up” 
correctly. I worked for hours trying whatever I could to get the station to 
show up, assuming I was bad at tagging, and I just needed to find the right way 
to make it show up properly. 

Maybe if there were some different overlays that can be put onto the OSM site - 
“Usage” “surface” etc - it would be easy to see what is tagged for purpose of 
use (driveway) and surface tagged or untagged (paved , ground, gravel, 
untagged) - it might make checking existing work (for novices such as myself) 
much easier, especially since I’m not mapping in JSOM or aware of all these web 
tools everyone seems to know how to use. 

As an easy (well, easier) fix - it might be a good idea for iD to show, color 
coded, what option is chosen for a road - white for paved, grey striped for 
gravel and friends, and brown for various ground / soil/ mud etc.   it might 
make it easier to tag, and easier to keep noobs like me from tagging everything 
dirt as a track when they want to convey that it’s not a paved road. 

and it would show that there is a difference between what you see in -carto and 
what you see in the renderers. 

Javbw

> 
> I have had my say on the topic many times as has many other people.
> 
> It does, IMHO, highlight one more aspect of this philosophy question.
> People map and want to see the data they enter used in some way. That
> "seeing" is an essential part of the feedback loop. We need to consider
> that when looking at how people choose (or invent) tags.
> 
> David

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