Ah, ok. That's it. All understood Warp.

Thank you,
Oleguer


news:412477fc@news.povray.org...
> Oleguer Vilella <ole### [at] infonegociocom> wrote:
> > I read the focal_point and blur_samples file on the help file.
> > Can anyone me tell how can I calculate the focal_point?
>
>   There's no need to calculate anything.
>   The image will be sharpest at the specified focal_point (and every
> point which is at the same distance from the camera as the focal_point).
>
>   For example, if your camera is located at <1, 2, -3> and it's looking
> at <0, 0, 0>, then if you specify a focal_point <0, 0, 0> the image
> will be sharpest at the world origin (and every point which is at
> the same distance from the camera as the world origin).
>
>   If you have for example an object centered at <-2, -3, 4> and you
> want that object to look sharp in the image, specify your focal_point
> as <-2, -3, 4> (regardless of your camera location and look_at).
>
> -- 
> #macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb
x]
> [1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
> -1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// -
Warp -

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