[Qgis-user] Building Footprints

[Greg Troxel]

krishna Ayyala <ayyalakrishna at gmail.com> writes:

> I have google Satellite as my background map in QGIS. I have zoomed into an
> area where there are lot of buildings. Is there any tool in QGIS that can
> extract just the building footprint area? Only the building footprints and
> no trees or no shrubs around the building. I have an area that has about
> 3000 buildings.

Does your license agreement with Google allow that?  I have always had
the impression that the normal terms did not, so if that's changed or if
I am confused that's very interesting.

(I'm also interested in answers to your question; in my area I have
imagery from the state government where that sort of use is clearly
permissible.)

Greg
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