[OSM-talk] Proximity

[john whelan]

Thank you kind sir.  I've got sidetracked into trying to count types of
buildings.

I used to use VB not for its power but for its development interface.  So
much easier than using assembler which I started with many years ago.

Apparently I need a datatable to sort a couple of columns, fine but all the
documentation is for C#.  It still has the nice development interface but
there are differences.

I know exactly what I want to do but finding the correct syntax makes me
feel if you know Perl and it can do the job stay with it.

Thanks John

On Sat, 29 Sep 2018, 6:26 pm Frederik Ramm, <frederik at remote.org> wrote:

> Hi,
>
> On 29.09.2018 01:59, john whelan wrote:
> > I thank Fredrick for his comments as well.  If a more refined solution
> > is required then there is enough information given to make a start
> coding.
>
> I know Perl isn't what people use these days but just to show that it
> really isn't rocket science (and doesn't require elaborate routing
> engines for that scale) I've made a modified version of the Perl script
> and checked it into the SVN directory. That script will take a .osm data
> file as input and generate a schematic map like
>
> http://www.remote.org/frederik/tmp/ipswich-busstops.png
>
> (which depicts Ipswich), where nodes are coloured according to their
> distance from the nearest bus stop (in this picture, 500 Mercator metres
> or more means something gets red).
>
> Bye
> Frederik
>
> --
> Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"
>
>
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