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JRG wrote:
>
> After a more or less satisfactory exam at University, I've made some other
> little changes. I know the scene is far to be finished, but I'm quickly
> getting bored of it...is there anyone who knows this pathology? After about
> one month of work I use to leave my scenes incomplete, just when I should
> add those little details that make a scene a good one... Anyway I completely
> agree with Robert Becraft, we do have to be fussy in order to make a
> realistic scene which tells a realistic story, the problem here is that I
> have no eletronic tools as reference and my imagination is completely dry,
> so I have no idea which other tools I could model.
> I want to thank Tom Melly for donating me his sandwich (hoping he's not
> starving now...): it looks great (the mayo macro which puts the mayonnaise
> in the sandwich with the trace() function made me go crazy!).
It looks really good, just i think the smoke looks fairly bright.
Furthermore the shadowed parts of the wood on the left look much brighter
than the left side of the book for example. Probably reducing the ambient
would help.
As 'Is' mentioned, the table looks to clan apart from the 'writings'.
Some more (previously made) burns from the iron and some scratches would
look nice.
> Finally I have a couple of questions about some problems which puzzled me:
> -I tried a radiosity version of the scene and I got very strange results:
> even with high quality radiosity settings (incredibly slow even with a 1Ghz
> machine...) the book looked completely yellow...I can post the image if
> someone is interested in this mistery.
I had a look at the small radiosity version and it looks fairly natural
(as far as i can see at that size) You should expect a yellow tint with
all the wood. The other walls of the room are important too of course,
furthermore you an vary the light source color.
And of course don't forget to turn all ambient finishes to 0 (apart from
the lamp)
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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"Is" <mee### [at] yahoo com> ha scritto nel messaggio
news:3B2### [at] yahoo com...
> Personally I think the detail and "stuff" you have there is great.
Thank you, but I think there is still too empty space.
> The desk isn't scratched up enough, and maybe the bottom part of the
> wall that touches the desk.
Yeah, you're probably right.
> if I take a broad view, the only things that don't look photorealistic
> are the soldering iron, the PC screen, and the black/yellow handle of
> the screwdriver (it's too clean).
I'll try to fix the handle of the screwdriver. As concern the soldering iron
and the screen you could suggest me what is wrong. ;)
> Don't get me wrong, I could not do this in a month.
As a matter of fact, I decided to start this scene on May the 25th. As
concern the spider, it took me the first week of May to model it, just at
the beginning of the round, but I couldn't get any good idea on how using it
until the end of the month.
> This is a really great pic, and I hope you get a really high score.
It's just my second entry, I don't expect that much. Thank you anyway.
JRG.
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"Chris Poole" <chr### [at] usask ca> ha scritto nel messaggio
news:3b293d91$1@news.povray.org...
>
> I find the lack of technical equipment/tools adds to the mystery of this
> picture. The batteries, screws etc are all too big for the spider device.
> Where did it come from ... how did it get built... how did the person get
> it???
Well, to say the truth, I'd want you to know that the spider has been built.
If the scene doesn't show this, well, there's lack of something...
> If you want to go the other way & imply that it is being built, then you
> would need small screws, small precision (jewelers) screw drivers, small
> pliers, perhaps a spare leg joint/hinge, small circuit board, small
electric
> motor, etc...
I tried to model a small circuit board, but I didn't get any good result.
Probably I need to find some photos or drawings to use as reference. BTW
I'll try to add smaller screws, screwdrivers et similia.
> The main things that bother me about the picture is the was the top of the
> computer monitor disappears but the screen display goes up into the
> blackness. I think that the screen would be better without the spider
> display, just the mysterious green character cell text.
I didn't notice it before you told me, but doesn't this happen in real life?
IMHO the shadow shouldn't darken the PC screen since it's emitting light. I
may be wrong.
> Still a fantastic picture...
Thank you a lot.
JRG.
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"Mick Hazelgrove" <mic### [at] mhazelgrove fsnet co uk> ha scritto nel messaggio
news:3b29a9d9@news.povray.org...
> Connect the spider to an oscilloscope!
>
Now you can be sure I will.
JRG.
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"Peter Cracknell" <pc### [at] lineone net> ha scritto nel messaggio
news:3b29ca2f@news.povray.org...
> Very nice.. the only thing I would say is that I think the glass is a
little
> too big and looks out of proportion - the base doesn't appear that much
> smaller than the sandwich! Apart from that and a bit of dirt and grime
> you've got a top quality image.
>
> Peter Cracknell
>
Dunno... maybe the sandwich is too small. Many people in my family told me
that the glass was too small (in the very first versions of the scene), so I
scale it up.
What do you all mean by dirt?: another texture layer or something more
material?
JRG.
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"Oldstench" <sor### [at] butno com> ha scritto nel messaggio
news:7anjit44qp8rqtl4kfpf8rlvlf3ftagq1v@4ax.com...
> Exceptional picture.
> Oldstench................
Thank you very much. I'm glad you like it.
JRG.
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"Christoph Hormann" <chr### [at] gmx de> ha scritto nel messaggio
news:3B2A3153.F1EC509E@gmx.de...
> It looks really good, just i think the smoke looks fairly bright.
> Furthermore the shadowed parts of the wood on the left look much brighter
> than the left side of the book for example. Probably reducing the ambient
> would help.
This is due to the dirty layer, as I mentioned in the main post. All
textures have ambient set to 0. The lamp is an emitting media, so the only
textures which don't have ambient 0 are the PC screen and the fluorescent
fingers of the clock.
> I had a look at the small radiosity version and it looks fairly natural
> (as far as i can see at that size) You should expect a yellow tint with
> all the wood. The other walls of the room are important too of course,
> furthermore you an vary the light source color.
I'll post a larger image to show how odd these yellow tones look.
JRG
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"Rich" <SrP### [at] ricosweb com> ha scritto nel messaggio
news:Xns90C16330CF586spammindspringcom@204.213.191.228...
> I think it loks great! I don't have an answer for you about the 'dirt
> layer' but I hope you figure it out. The only nitpick I have is that the
> writing on the desk is too neat. There are a ton of free fonts on the
> internet that have a scribbled scrawl look; one of two of these would make
> the writing more realistic. Try changing font sizes as well as font types
> too.
>
> Rich
>
Yeah, I have really not many fonts...
I'll search in the net.
Thank you anyway.
JRG
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I rendered a bigger version. This time I commented out some include files
and the yellow tones disappeared (as you can see).
So, the gulty is not the wood texture, but something among:
spider,
spider legs,
piece of paper,
sphere sweeps,
sandwich,
glass of water.
I'll start to add one by one these objects, and when the yellow tones come
back I'll discover what causes them.
Any stake?
Anyway, do you think that radiosity is a better choice than fill light?
The scene looks a bit too reddish: should I increase the grey_threshold?
Can you suggest me any good radiosity settings? High quality but not too
slow rendering (oximorous?) would be great (this one uses a humble 50-count
radiosity setting and took 29 minutes to render).
JRG.
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Attachments:
Download 'irtc_rad.jpg' (50 KB)
Preview of image 'irtc_rad.jpg'
![irtc_rad.jpg](/povray.binaries.images/attachment/%3C3b2a4a44%40news.povray.org%3E/irtc_rad.jpg?preview=1)
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We have a winner! aehm...
The guilty was the wire of the soldering iron. (I simply add it to the last
scene).
It's rather strange, isn't it?
Now the question is: is this a radiosity bug or a sphere_sweep bug?
How can I get rid of this? Who knows? Who am I to make these questions?
Does God exist? Is this yellow tone a divine manifestation? Will the
Universe collapse?
Will POV 3.5 be ready before I'm eighty?
J"Hamlet"G
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Attachments:
Download 'bad_rad.jpg' (44 KB)
Preview of image 'bad_rad.jpg'
![bad_rad.jpg](/povray.binaries.images/attachment/%3C3b2a5cd2%40news.povray.org%3E/bad_rad.jpg?preview=1)
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