[Talk-us] Best practices for high-density residential

Elliott Plack elliott.plack at gmail.com
Wed Apr 1 01:36:37 UTC 2015


Mark,

Regarding dealing with high density areas, the issue has been discussed in
some detail over on the LA Buildings import repository on GitHub. Check out
the discussion and maps: https://github.com/osmlab/labuildings/issues/9

-Elliott

On Tue, Mar 31, 2015 at 8:43 PM Mark Bradley <ethnicfoodisgreat at gmail.com>
wrote:

> I'm planning to import all the addressed buildings in Indianapolis into
> OSM.  Others have done similar things in other places.  I have an
> advantage, in that I have access to Indianapolis' GIS data, so the building
> outlines are already created.  The addresses are attached to the buildings
> too.  So I wouldn't worry about having too much detail.
>
>
>
> Mark
>
>
>
> ------------------------------------
>
>
>
> Date: Tue, 31 Mar 2015 10:59:56 -0700
>
> From: Tod Fitch <tod at fitchdesign.com>
>
> To: Steve Friedl <steve at unixwiz.net>
>
> Cc: talk-us at openstreetmap.org
>
> Subject: Re: [Talk-us] Best practices for high-density residential
>
>                 areas
>
> Message-ID: <ADE6E936-2A55-4747-B554-5FCC116A3D27 at fitchdesign.com>
>
> Content-Type: text/plain; charset="utf-8"
>
>
>
>
>
> > On Mar 31, 2015, at 10:07 AM, Steve Friedl <steve at unixwiz.net> wrote:
>
> >
>
> > Hi all,
>
> >
>
> > I’ve been doing OSM for around a month, and have been mainly focusing on
> my
>
> > local neighborhood in Foothill Ranch (Orange County in Southern
> California).
>
> > As a kind of showcase I'm going quite hyperbolic with detail, far more
> than
>
> > I'd do anywhere else, and it's been helpful to understand the tradeoffs
> of
>
> > effort vs results.
>
> >
>
> > My area: http://www.openstreetmap.org/#map=16/33.6851/-117.6514 - it's
> the
>
> > whole set of tracts that form a "thumb" above Bake Parkway.
>
> >
>
> > 1) Address points –vs- house outlines?
>
> >
>
> > . . .
>
> >
>
> > What are the thoughts on points vs outlines?
>
> >
>
>
>
> What we focus on mapping depends on our individual interests. For myself
> in built up areas that will be things that make automobile routing better
> (addresses, speed limits, turn lanes, road surfaces). I do, however, map
> buildings fairly often when adding addresses.
>
>
>
> I prefer outlines but don’t always use them. Usually I’ll put in points
> after my initial walking survey as it is fast and easy. Using OSMpad and
> JOSM it only takes a couple of minutes to upload address points. But it
> takes time to trace the building outlines from MapBox or Bing imagery so
> that comes later or not at all depending on my interest in the area.
>
>
>
> >
>
> > 2) Are rectangular house outlines good enough?
>
> >
>
> >
>
>
>
> If I am taking the time to do a building outline then I like it to be as
> faithful to the actual outline as I can make it.
>
>
>
> >
>
> > 3) Driveways?
>
> >
>
> > Most houses are obviously on one street or another, but some houses are
> on a
>
> > corner, or are with multiple houses sharing a common driveway, so adding
> the
>
> > actual driveways helps make it clear how it's laid out.
>
> >
>
> > Example: the houses at the north end of Calotte Place:
>
> > http://www.openstreetmap.org/#map=19/33.68120/-117.64836&layers=N
>
>
>
> I’ve only bothered adding driveways in a suburban area if there were a
> cluster of houses with a shared driveway away from the street where they
> are officially numbered. That said, I like the look of the area were you
> put in all driveways.
>
>
>
> In terms of clutter, I don’t consider the level of detail you have put in
> here clutter at all. I rather like the level of detail even if I don’t go
> that far myself.
>
>
>
> Cheers,
>
> Tod
>
>
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>
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