Try www.heywhatsthat.com It has a mode that shows you the visible
horizon from any given spot. You can also get ground profiles between
spot A and spot B.
Very interesting software and easy to use.
> Hi Mike
> I have just downloaded all this from OS from their website and currently
> getting to grips with QGIS. Its probably easy once one knows how but at the
> moment proving the complete opposite for me. Any I'm not your man, but a I
> say all the relevant data is available at no charge from OS.
> Sorry I can't be of more help
> Tim Lazenby
> On Sat, Aug 30, 2014 at 10:03 AM, Michael <[log in to unmask]> wrote:
>> According to Tacitus' account, the Romans at the Battle of Mons Graupius
>> were in view of the sea.
>> With modern software and a complete dataset of land surface heights am I
>> right to think that it would be relatively easy to produce a map showing
>> areas that can see the sea?
>> If so, does anyone know of such a map?
>> Alternatively, can I do this with QGIS - and if so can anyone explain how
>> I can do this with OS data?
>> Or is there any kind hearted person with access to the appropriate data
>> and software who could produce me a map for the coast of NE Scotland (i.e.
>> NE of a line from Inverness to Montrose)
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