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[mkgmap-dev] Overview map

From charlie at cferrero.net charlie at cferrero.net on Sun Jul 25 12:50:03 BST 2010

Steve Ratcliffe (steve at parabola.me.uk) wrote:

> Hi
>
> I have started to implement adding features into the overview
> map.  You can find ready built jar files on the download page
> and in the 'overview' branch in subversion.
>
> It creates the overview map from the .img (as before) and so it
> is very quick to try out even on a set of tiles covering a
> whole country.
>
> There is no configuration yet, it just takes everything (lines and
> polygons) that is in the least detailed layer of the detailed maps and
> adds it into the overview.
>
> You will immediately notice a big problem in that the overview map
> shows up even when the detailed maps are being displayed, so you
> get ugly jagged lines across the top of the map.
>
> I remember this happening the last time we has an overview map
> and I wonder if anyone can remember if there was a solution then?
>
> I'm going to start by trying the (so-called) POI flags, as one of those
> has been noted to be set differently on detail and base maps before.
>
> ..Steve

Sounds intriguing.  What precisely is the overview map for?


-- 
Charlie




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