Dear All,
   I'm a brand new user of pov ray and I'm faced with two problems
1) I try to make a zig zag animation by traversing a scene using a clock and
a while loop but the results are a bit frustrating. Its probably that I'm
doing something wrong here or there is a more convenient way to to do so
as an example I try to produce a number of frames for each row and restart
the same operation again some pixels down the initial starting point and
continue traversing the whole scene.
                  -------------->
                                |
                             |
                          |
                       |
                    |
                  |
                  --------------> etc
2) I was wandering if I can define a camera window in order to render a part
of the whole scene of predefined size.

I would be grateful in any ideas

Thanks a lot
dinos

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