[talk-au] Boundary removal.

Ian Sergeant inas66+osm at gmail.com
Thu Feb 2 00:49:55 GMT 2012


Okay, It sounds like your way further down this line of
thought/implementation than me.

I'm happy to drop any objection, and keep my fingers crossed for a good
result.

Looking forward to any data you can produce from your analysis.

Thanks,
Ian.

On 2 February 2012 10:46, Nick Hocking <nick.hocking at gmail.com> wrote:

> Ian wrote
>
> "Do you want me to try this on a small area (like Canberra :-) to see if it
> gives the desired results?"
>
> Yes - you could try but I've beaten you to it. A couple of weeks ago I
> spent a lot of time and an awfull lot of downloading in JOSM to
> find and destroy all the V1 boundaries.  I think there is now only
> the state boundary left (level 4) and I'm sure I busted that one as well
> by mistake.
>
> It was tedious work and very easy to destroy good roads that are
> very close to the boundaries.
>
> Having done this I could then start remapping (well after removing
> some obscuring power lines and footpaths that I will have to
> remap later).
>
> Out in the rural areas it can take up to 10 minutes just to download
> and destroy a single long boundary. There are about 15,000 that
> need removal.
>
> I do think that if people see a lot of red disappear and then know
> that anything that is left that is red is worth working on, then maybe
> remapping will start in earnest.
>
> Also mass deletion of v1 (virgin) boundaries will have the benefit
> that if you see a boundary then you will know that it either is
> containing some good info that may be reclaimable, or that some good
> stuff is hiding underneath and may be salvagable.
>
> I will also endeavour to find a way to visualise or at least easily
> locate those non v1 boundaries that have a road/river/railroad
> or runway mixed in or have been glued to them so that we can easily
> see if we can recover any clean information and maybe
> completely remap with BIng landsat etc.
>
> I need to remove all v1 boundaries between here and Adelaide
> and all of south eastern NSW. I'm not adept at bulk adds/deletes etc
> and would really like the DWG to do it and get it right. Also this would
> reduce load on the servers which I am giving a fair hammering,
> looking at history etc....
>
> Nick
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