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The line reminds of a continues raytrace at that point. If the radiosity
values aren't loaded and saved to files, the continued raytrace will often
create a slightly different appearance.
"Denis Bodor" <lef### [at] lefinnois net> wrote in message
news:3dd117a7@news.povray.org...
> Here is a pre-beta-alpha-pre-pre-version of my first real scene with
> POV-Ray 3.5 and radiosity.
>
> Yes, it's just the begining of a scene, but have you see this strange
> line dividing the image ?
>
> Any comments are welcome :)
>
> Denis.
>
----------------------------------------------------------------------------
----
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I see that strange dividing line you are referring to. What is that? It is
almost as if a boundary box or media container is being shown. A puzzle.
I also notice that where the pairs of columns meet at the corners, there is
an odd plane clipped in at a 45 degree angle. Is that a clue?
Cheers!
Chip Shults
My robotics, space and CGI web page - http://home.cfl.rr.com/aichip
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Sir Charles W. Shults III wrote:
> I see that strange dividing line you are referring to. What is
> that?
That's my question ;)
It's not an aborded/continued trace.
Can too poor radiosity parameters do that ?
> It is almost as if a boundary box or media container is being shown.
> A puzzle. I also notice that where the pairs of columns meet at the
> corners, there is an odd plane clipped in at a 45 degree angle. Is
> that a clue?
Of course, there is this probleme too...
It's very strange and the "line" problem is here even in small rendering.
Another probleme is the square probleme like in the joined image.
Denis.
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Attachments:
Download 'maison3-verre-global-area-photon.jpg' (96 KB)
Download 'maison3-2-total-320aa.jpg' (19 KB)
Preview of image 'maison3-verre-global-area-photon.jpg'
Preview of image 'maison3-2-total-320aa.jpg'
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Andrew Cocker wrote:
> How is that relevant to a scene which has no surfaces at such an angle where the
camera would
> be visible in it's current position?
Actually the camera would be visible in the columns, were it extant.
> Were you by chance replying to some other thread? If so, please ignore the above :-)
No, just randomly commenting, since I saw reflective surface.
--
Tim Cook
http://empyrean.scifi-fantasy.com
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Okay, from this angle I can see the source of the "column" problem- it is
that the angle itself obscured the real nature of your wall intersection there.
It is much clearer in this render. So that is a non-issue really, except that
you may want to add some sort of molding or runner to enhance the geometry of
that column/wall/floor joint. Just a thought.
As for the line artifacts, they really do appear to be radiosity related,
although since I have little experience with the subject, I don't expect that I
can be much help.
From time to time radiosity artifacts crop up that seem to be related to how
it is calculated- there may be some internal boundary that the software uses for
the algorithm, but I don't have a clue myself, not having examined the code.
Cheers!
Chip Shults
My robotics, space and CGI web page - http://home.cfl.rr.com/aichip
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Sir Charles W. Shults III wrote:
> It is much clearer in this render. So that is a non-issue really,
> except that you may want to add some sort of molding or runner to
> enhance the geometry of that column/wall/floor joint. Just a thought.
Oh ! I see.
That's right. More work needed :)
>
> As for the line artifacts, they really do appear to be radiosity
> related, although since I have little experience with the subject, I
> don't expect that I can be much help.
Hmmmm, I gonna take some more CPU time by setting other parameters
Thx for your help
Denis.
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news: 3dd12e24$1@news.povray.org...
> Actually the camera would be visible in the columns, were it extant.
>
Yes then the photographer as well :)
Marc
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Yeah, that's the easy part. Take a picture of a photographer holding a
camera- you in a mirror holding a digital camera is just fine.
Now, import the image and map it to a box or similar shape. Place it
appropriately. Done!
Cheers!
Chip Shults
My robotics, space and CGI web page - http://home.cfl.rr.com/aichip
Post a reply to this message
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Denis Bodor wrote:
> Here is a pre-beta-alpha-pre-pre-version of my first real scene with
> POV-Ray 3.5 and radiosity.
>
> Yes, it's just the begining of a scene, but have you see this strange
> line dividing the image ?
>
> Any comments are welcome :)
>
> Denis.
>
> ------------------------------------------------------------------------
>
Impressive!
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I'm impressed!
Andrew.
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