Hello,
* There is height=... for when you know the exact height.
* There is est_height=... for when you guessed (estimated) the height.
* There is building:levels=... for when you counted the flours.
* I probably forgot some other tags......
On 12/12/2011 07:26 AM, Andrew Salzberg wrote:
Andrew,
thanks.
I guess I've been relying on others who compile and export data into
shapefiles - but maybe now I'll have to dig in and figure out how to
convert OSM to shapefile myself, in order to capture all the tags I
want...
andrew
On 12/12/11, Andrew Errington<[email protected]> wrote:
On Mon, December 12, 2011 14:28, Andrew Salzberg wrote:
Hi,
I'm wondering if there is a standard attribute for heights for
building footprints in OSM - it seems like there's some conversation about
this. Geofabrik does a great job of exporting OSM as shapefiles which I
have made use of, but the building footprint layer does not include height
- eg # stories of floors - which could then e easily
extruded for analysis. Is that because such features don't exist in OSM
right now, or are not standardized? These bulding heights would be a huge
help and obviously very useful.
any guidance appreciated!
height=* is probably your best bet:
http://wiki.openstreetmap.org/wiki/Building_attributes
Most people don't put the info in, since it is only visible to local
mappers. It's hard or impossible to derive from aerials or GPS traces.
If you multiply the number of storeys (if present) by, say, 3 metres you
might get a reasonable approximation of height.
Best wishes,
Andrew
---
m.v.g.,
Cartinus
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