On Mon, Sep 27, 2010 at 1:34 PM, Nathan Edgars II <nerou...@gmail.com> wrote:
> It seems to me that landuse is a mess. There are the obvious values
> like residential, commercial, and industrial, but beyond those are a
> lot of minor values that could be grouped much better into a few
> values. For example:
> landuse=agricultural would include values like farm and vineyard

That makes sense.

> landuse=institutional would include values like military and cemetery,

This one isn't so good. "Landuse=military" is perfectly valid, as
military land is really different from other land in lots of respects,
like the absolute prohibition on anyone entering it. I don't know how
a renderer should handle "landuse=institutional" by itself, but I do
know how it should handle landuse=military.

> landuse=transport would include values like railway and garages, as
> well as other transport like highway junctions

Meh. Whenever you propose merging two tags into one, with
distinguishing subtags, you have to ask "how would I feel about these
two tags being rendered the same way, by a renderer that didn't
support those subtags?" Highway junctions and railway garages? Not so
good.

> landuse=leisure would include leisure and tourism as well as some amenities

Perhaps, would want to see detail.

>
> Then there are values like grass and reservoir that are not quite
> landuse. In particular, reservoir, unlike other landuse tags, only
> applies to the area that's normally flooded, rather than the land
> immediately adjacent that is also owned by the water control authority
> (containing berms and such). This would be like tagging only houses as
> landuse=residential and leaving the yards and driveways untagged.

Yeah. It would be better to have something like
landuse=water_management for the fenced-off area, if any.

>
> I've written up a possible classification here:
> http://wiki.openstreetmap.org/wiki/User:NE2/landuse
> Ideally this could also serve as a framework to eliminate many amenity
> values (institution=post_office, leisure=stripclub). Amenity is

Is this an important goal?

Steve

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