[talk-au] Microsoft Australian building footprints
andrew.harvey4 at gmail.com
Wed Oct 21 01:52:34 UTC 2020
On Tue, 20 Oct 2020 at 21:20, Simon Poole <simon at poole.ch> wrote:
> Just as a comment: there is nothing so time consuming as fixing badly
> mapped buildings (essentially drawing them from scratch is nearly always
> faster), I would only import building outlines that are at a quality level
> that you would not want to change them except if the building itself has
> been modified.
I took a look at these building footprints from Microsoft in Sydney, where
we have high resolution aerial imagery with usually pretty good positional
accuracy and orthorectification.
The MS buildings aren't as good as hand tracing would be, but better than
some of the worst mapping done through the HOT tasking manager building
Compared to the DCS aerial imagery the alignment (rotation) is usually a
fair bit off, but "good enough" basic footprints, the shape is just okay,
not great, not terrible.
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