[OSM-talk] JOSM landsat plugin - aligning Landsat with OSM data

[Erik Johansson]

On 10/26/06, Joerg Ostertag (OSM Munich/Germany)
<openstreetmap at ostertag.name> wrote:
> On Thursday 26 October 2006 14:51, David Earl wrote:
> > > Yes, personally I don't think any rotation is required
> >
> > Indeed, that seems to be roughly true for the area I'm working on, but I
> > wasn't sure worldwide.
> >
> > > , just the
> > > ability to
> > > nudge a few pixels horizontally and vertically using cursor or other
> > > keys. At most we seem only to need to move it by about 50m or so
> > > maximum (whatever
> > > that converts to pixels)
> >
> > The area I'm working on has the landsat data offset by about 100m to the
> > north, if the scale measure under the zoon control in JOSM is correct.
> >
> > I assume the amount varies unpredictably, or you'd simply fix it to be
> > correct in the first place.
>
> It would be great, if we could save these offset centralized on the
> osm-server.
>

A low tech solution, create a node in the middle of landsat image with
the tags:
landsat_offset_north="-0.0001 degrees"
landsat_offset_east="0.0000 degrees"
landsat_offset_version=1