[Talk-in] Buildings

Steve Bennett stevagewp at gmail.com
Thu Feb 9 04:38:22 GMT 2012

Normally you try and trace the perimeter of the building at ground
level. If you can only see the roof, you trace the roof - because you
don't have a choice. But if the angle is such that you can see the
ground - trace at that level.


On Thu, Feb 9, 2012 at 12:20 PM, doc.aneesh at gmail.com
<doc.aneesh at gmail.com> wrote:
> Hello everyone.
> I wanted to know, while marking building outlines we usually trace the roof
> right?
> But what if the building is tall and the satellite imagery is taken at an
> angle.. the sides can be seen. It isn't a problem u.til there are skywalks
> connecting such tall buildings... An example is the world trade center,
> brigade gateway, Bangalore.
> http://www.openstreetmap.org/?lat=13.01206&lon=77.55581&zoom=17&layers=M
> I was refining the details yesterday when I encountered this problem.
> How is it mapped correctly? Ate there some kind of standards?
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