[HOT] HDM presets and tagging revised and for review

[william skora]

Great work on this fellow hotties.

One question: landuse=cemetery and amenity=grave_yard are both used quite a
bit to bury the deceased.

Not included in the preset is landuse=cemetery - which is used 139.000
times according to taginfo -
http://taginfo.openstreetmap.org/search?q=landuse%3Dcemetery

Included in the preset is amenity=grave_yard -
http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dgrave_yard 149.000 times.
http://taginfo.openstreetmap.org/tags/?key=amenity&value=grave_yard

There's a distinction between the two according to the wiki - graveyards
are next to places of worship.
so, if you include one in HDM, I'd assume you want to include the other.

As I thought about it, I looked into its usage and found most of the uses
of amenity=grave_yard are within the USA: 121,000 of 149,000. (a result of
a large GNIS import in the USA in 2008-09 which added features as
amenity=grave_yard. Going by the wiki definition and practice, an unknown
amount of these imported objects have been changed to landuse=cemetery). As
for landuse=cemetery ~16,000 of 139,000 uses are within the USA.

In the end, I'd probably keep both for HDM, although it could be considered
whether that distinction is important enough to use 2 different tags.

Regards,
Will.
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