[postgis-users] Trignometry and triangulation to find location from photo

[Sandro Santilli]

On Wed, Oct 19, 2011 at 06:56:26AM +0100, Robert Buckley wrote:
> I have only recieved a photograph taken at eye-level which show 5
> existing wind turbines( for which I have points) and the foundation of
> the new windturbine presently being built.
> 
> Using the existing wind turbines as reference points, and knowing their
> heights is the only information I have to determine the location of the
> new wind turbine. Using trignometry and triangulation techniques is it
> possible to determine the location of the new wind turbine?

I guess you can't compute distance between the camera and the new
windturbine foundation unless you have a known height visible on that
same place.

--strk; 

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