Sphere to screen at a particular FOV

  • I am trying to zoom in to a location using lookto(toH,toV,fov*,motiontype*,shortestway*,nonblocking*,donecall*)
    By default, this always zooms in to bring the point of interest to the center of the screen.
    I would like to bring the hotspot to 1/4th from the top of the screen rather than the center.
    Has anyone done this before?

    if I try to use screentosphere() to get the spherical co-ordinate of the point, it gives me a point at the FOV before the zoom in happens.
    It would be great to have screentosphere() to convert co-ordinates at a particular FOV than the current one.

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