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From: Tim Nikias v2 0
Subject: Re: Balls collection (61k) - Contributions needed
Date: 16 Oct 2003 07:01:13
Message: <3f8e7a79@news.povray.org>
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Perhaps I'll have another go with the ESR-Macro just to have some results to
compare. During the process of creating the Subsurface-Scattering I've
noticed that the back of the balls intersect with the wooden board... Care
to fix that?
--
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights
Email: tim.nikias (@) gmx.de
>
> OK, the ESR macro is running to try to make a golf ball.
> I used 300 points with max_iter set to 400 but I'm afraid it may be too
> high settings. Will see.
> I know someone posted a really nice golf ball but I can't find the post,
> it would be helpful for texture.
>
> Nico
>
> Tim Nikias v2.0 wrote:
> > These two are accepted and I will post them as soon as I get the time to
> > finish them. For the ESR-Macro however, you might want to look at it
> > yourself and set it up to your desire. It just requires a few little
> > declarations and then it spits out positions for the objects to be
placed
> > onto the sphere, so you might want to take care of that yourself to fit
it
> > into the style of your balls.
> >
> > I'll develop a little subsurface-scattering snippet tomorrow, should get
> > some spare time then.
> >
>
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Ooopps, didn't notice. I will try to fix the code.
Nico
Tim Nikias v2.0 wrote:
> Perhaps I'll have another go with the ESR-Macro just to have some results to
> compare. During the process of creating the Subsurface-Scattering I've
> noticed that the back of the balls intersect with the wooden board... Care
> to fix that?
>
Post a reply to this message
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From: Tim Nikias v2 0
Subject: Re: Balls collection (61k) - Contributions needed
Date: 16 Oct 2003 08:30:22
Message: <3f8e8f5e$1@news.povray.org>
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So, Subsurface-Candle uploaded to p.b.scene-files. Position it to your
liking, but update the cupboard first... Image will follow as soon as it has
finished rendering, subsurface is pretty intensive with arealights. The
candle has a small one itself, it may be switched off by commenting out the
arealight line in the Include-File, and I'm not sure if it greatly affects
the outcome of the image if it isn't used (the light is required, just not
the arealight-setup).
Note that the candle is set with lowest useful settings for the
media-calculations, these might be too low for other scenes and other
objects. (Hm, perhaps you should put that as a note inside the Include once
you have the set completed).
Regards,
Tim
--
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights
Email: tim.nikias (@) gmx.de
>
> Ooopps, didn't notice. I will try to fix the code.
>
> Nico
>
> Tim Nikias v2.0 wrote:
> > Perhaps I'll have another go with the ESR-Macro just to have some
results to
> > compare. During the process of creating the Subsurface-Scattering I've
> > noticed that the back of the balls intersect with the wooden board...
Care
> > to fix that?
> >
>
---
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Anybody got a clue why that dark patch appears? I know, its from the part
where the rays travel through wax/air/wax, but why does it appear black? Any
workarounds? Source in p.b.scene-files, in "ball collection" thread.
Regards,
Tim
--
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights
Email: tim.nikias (@) gmx.de
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Attachments:
Download 'sss_candle.jpg' (27 KB)
Preview of image 'sss_candle.jpg'
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"Tim Nikias v2.0" <tim.nikias (@) gmx.de> wrote in message
news:3f8e9d7c@news.povray.org...
> Anybody got a clue why that dark patch appears? I know, its from the part
> where the rays travel through wax/air/wax, but why does it appear black?
Any
> workarounds? Source in p.b.scene-files, in "ball collection" thread.
Probably the same reason there is a black line around the whole candle.
I won't be downloading the PBSF group, but I would check your trace level.
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Nico wrote:
>
> Hi All,
>
> Since I'm always searching povray newsgroup to look for specific methods
> of doing things, I decided to try to gather them all in a single picture
> both to have a quick idea on what it looks like and also to have a quick
> access on source. The image currently shows (in order):
>
> - Blurred reflection (from Povray Questions and Tips)
> - Spheric mapping of object (I did this one)
> - Ice (or water ?) from a recent post by IkA
> - Furtex by Rune S. Johansen
>
> Of course, this image is still a WIP and it misses a bunch of other
> great methods/tips that have been posted like subsurface scattering,
> fire, water, furballs, media clouds, etc.
>
> At this point, I would need your help to complete the image by adding
> some more balls showing special effects/textures/methods...
>
> Anyone interested ?
> Comments ? Ideas ?
Looks like a good start. Maybe you should add something like:
http://www.tu-bs.de/%7Ey0013390/pov/planets.html
Christoph
--
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 2 Sep. 2003 _____./\/^>_*_<^\/\.______
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Nah, Bill, I've got the impression you don't like me too much from our
discussions on off-topic, but if you know at least some of my images, you
either doing all reflections, massive refractions or something alike...
--
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights
Email: tim.nikias (@) gmx.de
> > Anybody got a clue why that dark patch appears? I know, its from the
part
> > where the rays travel through wax/air/wax, but why does it appear black?
> Any
> > workarounds? Source in p.b.scene-files, in "ball collection" thread.
>
> Probably the same reason there is a black line around the whole
candle.
> I won't be downloading the PBSF group, but I would check your trace level.
>
>
---
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"Tim Nikias v2.0" <tim.nikias (@) gmx.de> wrote :
>
> Nah, Bill, I've got the impression you don't like me too much from our
> discussions on off-topic,
No, I can disagree with people without disliking them.
> but if you know at least some of my images,
I don't. I haven't DLed PBI in over a year and didn't pay much attention
for a year or so before that.
Still, since you have a black edge all the way around the candle, there
is something working against your transparency.
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> No, I can disagree with people without disliking them.
Ah, okay. It seemed like you didn't like me cause even when my posts
wheren't actually against you, it looked like you tried to turn their
meaning upside down and search for something that I didn't even want to
imply. But this is PBI, lets stay on-topic... :-)
(And no, I didn't want to imply anything with this, that's just how I felt
from our last *short* discussion on off-topic)
> I don't. I haven't DLed PBI in over a year and didn't pay much
attention
> for a year or so before that.
Then you're missing the main part of being a POVer! ;-)
> Still, since you have a black edge all the way around the candle,
there
> is something working against your transparency.
Right about that. Can't find the trouble though. double_illuminate doesn't
change anything either, I had suspected that because it appears on the
inside surface. As far as I can tell, the problem revolves around the rays
passing through blob/media, air, back to blob/media, air, or generally when
passing out of thin areas of media. I'll try some higher samples, but I
don't think that will change anything. Any ideas?
--
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights
Email: tim.nikias (@) gmx.de
---
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Another thing I just noticed: the black edge you referred to isn't existant,
that seems to be some side-effect of jpeg-conversion or such. In my renders,
even large ones, everything is fine except for the darker patch. Perhaps its
some floating point issue with blobs in conjunction with media? Need to
check with a different object to prove that...
--
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights
Email: tim.nikias (@) gmx.de
---
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