Hello!

I created an animation of some cups flying through a valley. The problem
with the animation is that the valley itself flickers terribly. I first
rendered the images without anti-aliasing, but the result was even worse. I
now rendered the images at +A0.5, +AM1, +R2 which improved the result a
bit, but it still doesn't look good. I think that the problem comes from
the texture I used. The texture is from an article Chris Hormann wrote for
a german computer magazine 3 years ago.

Does anybody have an idea what the problem is or a different texture?

The link to the animation is

www.mpip-mainz.mpg.de/~schuerg/final.mpg

the texture is at

www.mpip-mainz.mpg.de/~schuerg/strukturen.inc

Thanks a lot

Peter

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I can't get the animation to play (on WMP), so I can't see the flickering.
However, I can see the first frame, and it looks to me like your textures
are so grainy that moving the camera just slightly produces wildly different
results per pixel. Reducing the detail in the textures might be the best
solution. I would expect anti-aliasing would help, but you'll need much
better settings than +A0.5, +AM1, +R2 (0.5 is too high, 2 is way too low).
Try +A0.1 +AM2 +R3 for starters, bring the 3 higher if you need to.

 - Slime
 [ http://www.slimeland.com/ ]

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I rendered a different part of the animation (without anti-aliasing) over
night and put the pictures together with the cinepak avi codec. WMP should
be able to play that. Its at

http://www.mpip-mainz.mpg.de/~schuerg/canyon.avi

What I did exactly is create the canyon and the valley with isosurfaces and
then subtracted the Fein_Struktur function that is in strukturen.inc.

I'll try rendering some pictures with the settings you suggested, but that
will probably take some time (about 30 minutes per picture)

Thanks for the help

Peter

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Hello!

Peter, this looks great already.

How do you calculate the camera?

Do you have the location bit with a spline read out with clock?

How do you handle the look-at bit of the camera?

Do you use other parameters such as sky-vector?

Thanks!

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Hi Chrisir!

I rendered the whole animation again with Slimes settings. You can have a
look at

http://www.mpip-mainz.mpg.de/~schuerg/Espresso.avi

For the camera location I defined a spline. I set up the whole animation so
that my look-at point is always  <0,0,1> away from the camera position,
which is the default anyway. So I didn't have to worrry
about that at all. I thought about using a sky vector for tilting the
camera, but I figured that it would make the whole animation to wobbly, so
I didn't do it after all.


"Chrisir" <nomail@nomail> wrote:
> Hello!
>
> Peter, this looks great already.
>
> How do you calculate the camera?
>
> Do you have the location bit with a spline read out with clock?
>
> How do you handle the look-at bit of the camera?
>
> Do you use other parameters such as sky-vector?
>
> Thanks!

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