[talk-au] JOSM Scanaerial plugin on NSW LPI layers

[Andrew Harvey]

On 25 January 2016 at 15:31, Ian Sergeant <inas66+osm at gmail.com> wrote:
>> But the border has not changed the river might have but there is no change to the border from when it was first surveyed/gazetted.  The border is the line as when gazetted, not as where the riverbank is now.
>
> I think you're wrong.  The border has been defined by High Court
> Judgement as including accretions and erosion.  Including landslip
> such as in the Ward case.
>
> Of course, where the river has fundamentally changed course, the
> original course remains the boundary.  But gradual erosion actually
> changes the border.

Agreed, but this is only for natural features, not man made roads or
rail ways. I think in these cases it makes sense to share the boundary
(or better yet use a multiploygon relation where the river way is just
a member of the protected area relation).