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Not convinced about the glass? NOT CONVINCED ABOUT
THE GLASS!?!
;-)
Had some hard time getting all the CSG-Parts to line up
and avoid those evil black pixels, especially with the water
inside. I do think it should be pretty realistic, uses fresnel
reflection and such. If you could pinpoint a little what it
is that actually keeps you from being convinced about
the glass, that might be some help...
Tim
--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmx de
"Hugo" <hua### [at] post3teledk> schrieb im Newsbeitrag
news:3d5ff582$1@news.povray.org...
> > It's easy to tell that the person wrote the note with a word
> > processor, and not that pen... All the o's look the same.
>
> What about the d's then? No.. It's alright with me, as this is CG art..
But
> I'm not convinced about the glass.. Even though you added water drops,
which
> is a nice touch.
>
> Regards,
> Hugo
>
>
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More antialias is saved for final trace...
Nothing else that bothers you? I'm looking for feedback
which things I could improve.
--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmxde
"Rafal 'Raf256' Maj" wrote
>
> nice image, but some parts, especialy glass/water needs more antialias
>
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The idea about the tearing is nice, but getting those
corners and sides to roll up... Its just a heightfield...
--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmxde
"=RAY=" <ray### [at] yahoocom> schrieb im Newsbeitrag
news:web.3d6039a7cbf17fcc264908380@news.povray.org...
>
> >So, comments?
> Yes, paper, once crumpled up never gets that flat again, the corners and
> sides tend to roll up and it wouldn't be sitting that flat on the table.
>
> Also, a tear on the paper could help with the mental image of the
> person's thoughts.
>
> =RAY=
>
>
>
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> NOT CONVINCED ABOUT THE GLASS!?!
Heh.. :o) Well I'm very rarely convinced about raytraced glass.. I tend to
judge the realism by what I usually see in real life, and in real life, I
rarely see a setup within a simple enviroment. Even if the room is dark, as
in your picture, there is usually some spots of light from different
directions. This affects glass and metal very much.
Another thing is the shape of reflections, on your glass the reflections has
very sharp edges and I would expect them to be a bit blurred.
This is all because I'm a nerd for realism. :o)
Regards,
Hugo
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> I'm not convinced about the glass.. Even though you added water drops,
which
> is a nice touch.
There is one thing everyone misses when doing glasses of liquids. See if
you can tell which of the following images is better and why.
-tgq
Post a reply to this message
Attachments:
Download 'testg1.JPG' (63 KB)
Download 'testg2.JPG' (63 KB)
Preview of image 'testg1.JPG'
Preview of image 'testg2.JPG'
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From: Sir Charles W Shults III
Subject: Re: Too lonely - Loneliness (WIP)
Date: 20 Aug 2002 11:19:13
Message: <3d625df1@news.povray.org>
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Meniscus. Second image.
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" <aic### [at] cflrrcom> wrote in message
news:3d625df1@news.povray.org...
> Meniscus. Second image.
You are correct. It does not seem like it would be a noticeable thing until
you actually compaqre the difference. Without it, something just tells my
brain that something is off though I may not always be able to pinpoint it.
-tgq
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My image does have water tension / miniscus (?),
perhaps too little?
--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmxde
> > Meniscus. Second image.
> You are correct. It does not seem like it would be a noticeable thing
until
> you actually compaqre the difference. Without it, something just tells my
> brain that something is off though I may not always be able to pinpoint
it.
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I could run a try for blurred reflections, but I think
the render time will skyrocket, and there's not much time
left actually...
--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmxde
> > NOT CONVINCED ABOUT THE GLASS!?!
>
> Heh.. :o) Well I'm very rarely convinced about raytraced glass.. I tend
to
> judge the realism by what I usually see in real life, and in real life, I
> rarely see a setup within a simple enviroment. Even if the room is dark,
as
> in your picture, there is usually some spots of light from different
> directions. This affects glass and metal very much.
>
> Another thing is the shape of reflections, on your glass the reflections
has
> very sharp edges and I would expect them to be a bit blurred.
>
> This is all because I'm a nerd for realism. :o)
>
> Regards,
> Hugo
>
>
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"Tim Nikias" <tim### [at] gmxde> wrote in news:3d621b8e$2@news.povray.org
> More antialias is saved for final trace...
>
> Nothing else that bothers you? I'm looking for feedback
> which things I could improve.
iamge is too dark, table texture basicly is entire black
I would increase contrast
--
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M
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