Re: horizontal fov

[Christian W. <cwa...@gm...>]

Andrea Viarengo wrote:
> I have tried to calculated the horizontal fov:
> 
>       width,height = pipmak.screensize()
>       vfov_deg = pipmak.getverticalfov()
>       vfov_rad = math.rad(vfov_deg)
>       distance = (height/2)/math.tan(vfov_rad/2))
>       hfov_rad = 2*math.atan((width/2)/distance))
>       hfov_deg = math.deg(hfov_rad)
> 
> but it's not true, because I get an angle lower than what I can measure.

That looks correct. What does it give you, and what do you measure, and how?

  -Christian