Well, yes, I did do that first and have some angles on the more conventional aspects of this, e.g. missile guidance. Being new to this area, though, I thought I'd put out a query to see what else might turn up in the open source realm (pure R&D being one thing; hackable code is something quite different sometimes).
[that said, sometimes it's hard to even frame the right questions when one is in a brand new area..] -mpg > -----Original Message----- > From: Stephen Woodbridge [mailto:wood...@swoodbridge.com] > Sent: Monday, March 28, 2011 2:16 PM > To: m...@flaxen.com; OSGeo Discussions > Subject: Re: [OSGeo-Discuss] Finding position based on horizon profile? > > On 3/28/2011 4:48 PM, Michael P. Gerlek 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. > > Micheal, > > Does this help? > http://www.google.com/#q=matching++"terrain+profile" > > -Steve _______________________________________________ Discuss mailing list Discuss@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/discuss