[OSM-newbies] National park boundaries

[Ævar Arnfjörð Bjarmason]

On Wed, Sep 16, 2009 at 10:41 PM, swanilli <swanilli at gmail.com> wrote:
> I have been trying to tidy up some Australian national park boundaries
> and was wondering if there was a simple way to do it.
>
> What I have is this:
>
> 1.  Administrative boundaries provided by a government agency. I take
> these as being accurate as they are quite detailed.
> 2.  Park boundaries apparently drawn roughly based on Yahoo imagery.
> 3.  Coastline also apparently drawn roughly based on Yahoo imagery.
>
> For most of the park boundary all 3 should be identical but are not. I
> have been tidying them up but it is a long and tedious process
> involving moving thousands of nodes. I have tried copying and pasting
> but this is messy too. The whole thing is further complicated by the
> 2000 node limit in JOSM which means that they need to be split and
> made parts of a multipolygon.
>
> Does anyone have an easy, unmessy, solution?

There's no magic solution. You could write a program to do it if it's
a repetitive task but that's just different kind of manual labor.

Perhaps you can show us the data you're working with so we can take a look?