hmm. not sure about this maybe try this (untested):

camera {
     location <0.50, 16.00, -29.00>+<0.0, -0.175*(10*clock),
+0.125*(10*clock)>
     look_at  <1.0, 1.5, 2 >
   }

i guess when you declare the look_at value and afterwards reposition the
camera the look_at point moves with it.
but i can't figure out why the look_at point was proper in your former
renderings mentioned.

just my 2 cents
Roman



"Raffles" <nomail@nomail> wrote:
> I am trying to do an animation, a fly through. This is nothing complicated.
> I want to move from one point higher and out further to a point closer to
> the origin along a straight line. If I render just a single first scene, it
> looks fine. The camera observes the look_at vector just fine. When I render
> another single image with the camera repositioned at the end point again
> the look_at vector is treated properly. The look_at point does not change
> during the entire animation. My translation for the animation works except
> the look_at point is not adjusted as the camera's point of view drops lower
> in the scene.
>
> I've been looking for another message with info on something like this and
> find information for following more complex paths thru the space, as along
> a spline, but I didn't want to employ such a complex figure just yet. I am
> sure this question has been asked before and so I apologize to the group
> for my impatience and inability to turn up the proper info in a search.
>
> Thanks for any info anyone may have.
>
> Oh yeah, here's the camer I have set up...
>
>   camera {
>     location <0.50, 16.00, -29.00>
>     look_at  <1.0, 1.5, 2 >
>     translate <0.0, -0.175*(10*clock), +0.125*(10*clock)>
>   }
>
> Raffles

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