[OSM-newbies] Rendering houses from POIs

[jaakkoh]

Richard Weait wrote:
> 
> On Mon, Mar 14, 2011 at 3:44 PM, Donald Campbell II
> <donaciano2000 at gmail.com> wrote:
> > I recently took a trip upriver to 2 small villages out in the back
> areas of
> > Guyana.  Orealla and Siparuta.   
> (...)
> > none of the houses I marked show up on the map.
> > There's really nothing else out there if you can't see the houses.
> :-)  
> (...)
> > So without inventing an area around each POI, is there anything I can
> do to
> > make them render?
> 
> (...) you might take an educated guess at
> building dimensions and relative locations. (...)
> 
> http://www.openstreetmap.org/?lat=5.23793&lon=-57.29217&zoom=17&layers=M
> 

Thanks for asking this question (which I've pondered about myself from time
to time).

I assume Orealla is this one
http://www.openstreetmap.org/?lat=5.31975&lon=-57.33635&zoom=16 ?

My suggestion is to make use of the landuse key
http://wiki.openstreetmap.org/wiki/Key:landuse . Or you might want to
consider abutters http://wiki.openstreetmap.org/wiki/Key:abutters (for which
I have no idea how it renders as I haven't ever used it myself and there's
no example).

As you will see (as my edits get rendered) I added some guestimated
landuse=residential to Orealla. E.g.
http://www.openstreetmap.org/browse/way/105193022

Since you know the village feel free to change this, add around other
houses, maybe even add some landuse=retail if such can be identified (e.g.
around the bars).

As for making educated guesses (i.e. guestimates) about the dimensions, etc
of the houses you've POIed I think that's a good idea, too. In fact, after
long time of pondering about this issue for some areas I know (that don't
have hires imagery) I just happened to do some of that myself a few minutes
before reading your question :)

The results can be seen here
http://www.openstreetmap.org/?lat=60.576&lon=24.01744&zoom=17 , here
http://www.openstreetmap.org/browse/way/88507493 , and e.g. here
http://www.openstreetmap.org/browse/way/105185866

Note that I haven't done _any_ proper surveying of this area for OSM
purposes but the area in question is my long time "summer" home from when I
was born so I know it pretty much by heart and the end-result turned out
surprisingly good with my pure guestimates.

If you're looking at any of these before details are rendered you can use
the data overlay (first click the + button on the top right corner of the
map and choose "Overlays: Data" from there to see all(?) of the data for the
area in question.)

Have you ran into other OSM-mappers in Guyana, btw?

Cheers from Haiti,
-Jaakko

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