[OSM-talk] Mapping party ready printouts from Merkaartor. Needed?

[Chris Browet]

Hi,

>
> > The way they encode the QR code is public insofar that the source code
> > to walking papers is FOSS.
>
> That isn't the patented technology. The algorithmn that is able to
> calculated the orientation of the paper that is scanned and
> re-orientate it (I have never scanned in a piece of paper exactly) is
> patented by another individual, but the Walking Papers guys either
> have explicit permission to use it or the owner allows non-commercial
> use.
>
>
If you know that the QR is always at bottom-right,  it doesn't seem black
magic to me.

Rectifying the image to correct scanning artefacts is another issue. But is
perfect fit really necessary for hand drawn maps?
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