[OSGeo-Discuss] Finding position based on horizon profile?

andrea antonello andrea.antonello at gmail.com
Mon Mar 28 14:48:50 PDT 2011

Hi, I can't remember the project exactly, but I think I saw do
something similar those guys here:
They usually are keen to open source, but I am not sure if that is the
case here. In case you would have to contact them.


On Mon, Mar 28, 2011 at 10:48 PM, Michael P. Gerlek <mpg at flaxen.com> wrote:
> Consider the following hypothetical problem:
> Assume we have a good elevation data set for a large region of the earth --
> say, an entire mountain range.  Now let's say we have a photograph taken
> from the ground, the horizon of which shows the profile of a couple of the
> mountains in that range.  Can you tell me where the photograph was taken
> from?
> Any pointers to research in this area would be appreciated.
> -mpg
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