"Bald Eagle" <cre### [at] netscapenet> wrote:
> "Francescodario Cuzzocrea" <fra### [at] mailpolimiit> wrote:
>
> > Specifically, I'm using POVRay to generate images of a spacecraft in random
> > position into a generic orbit, which subsequently I'll analyze with different
> > computer vision algorithms to try to recognize the spacecraft into the scene.
>
> Sounds very cool - what computer vision algorithms are you using?
> And welcome to the forum.  :)
>
> > Here two pictures of the problem :
> >  - https://gitlab.com/bosconovic/spacacecraft-pov/blob/master/tango_102.png
> >  - https://gitlab.com/bosconovic/spacacecraft-pov/blob/master/tango_30.png
> >
> > In the first one almost half of the spacecraft is cutted, in the second on the
> > left a piece of the solar panel is cutted.
> >
> > Can anyone help me out to understand what I'm doing wrong ?
>
> Without seeing the code for your scene --- it could be almost anything.
>
> With that said, if I had to simply guess, I'd say that maybe what you're seeing
> is a hard shadow from something, if you have other objects in your scene.
> Adding finish {diffuse 0.5} and maybe adding a white sky_sphere to your scene
> would help you determine if you're just not reflecting any light from occluded
> surfaces.
>
>
> - Bill

Hi Bill, thanks for your reply !
I posted the sources at the end of the post, btw here is again the link :
https://gitlab.com/bosconovic/spacacecraft-pov/ :)

Sadly neither adding the sky sphere, nor the finish {diffuse 0.5} did the trick
for my scene :(

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