"Kenneth" <kdw### [at] gmailcom> wrote:
> > I have got a test scene where the problem is demonstrated...
> Yes, I've noticed as well that the found translation doesn't always agree with
> the 'point-of-interest' that's chosen. I think the problem is based on
> the given camera angle.... It *may* be because screen
> size vs. camera angle is not a 'linear' relationship(?)...
Sorry if that sounded confusing; 'screen size' was the wrong phrase. What I
meant was, there may be a non-linear relationship between camera angle and the
resulting view in a render or screen preview-- meaning, as the angle value goes
higher (more wide-angle), the camera view takes in a larger portion of the
scene, but the change may not follow a strictly linear relationship to the
changing angle. (The change in the 'visual' distance between two objects, vs.
real POV-ray distance there.) I've never tested this; it would be interesting
to construct a plot of distance values (as seen in the preview render,
horizontally for example) with the camera angle changing all the way from 1 to
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