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18 Aug 2024 16:19:57 EDT (-0400)
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From: Jean-Michel Grimaldi
Subject: Re: What is this ?
Date: 22 Apr 2001 15:06:59
Message: <3AE32BED.F97C3F12@via.ecp.fr>
Jan Walzer wrote:
> 
> dunno, but I'm missing some shadows here ...

I guess this comes from the phong highlight on the glass, which must
have a high phong value (more than .6)
and a very high phong_size (more than 200).

-- 
JM


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From: Sander
Subject: Re: watch2
Date: 22 Apr 2001 16:20:01
Message: <MPG.154d5b6e7737feb298974b@NEWS.POVRAY.ORG>
In article <3AE2F31E.CF759555@usb.ve>, Alberto says...
> Hi.
> 
> In this version the finish for the metallic parts was rewritten. I used
> colored variable reflection, the ambient was set to 0, the brilliance to
> 1.5. The knob was redone from scratch using a bezier prism.
> 
> New in this version is the use of date. For amusement I wrote a little
> macro to set the handles accordingly. The watch now shows the time at
> parsing. The formulas are very simple. If h, m and s are the hour,
> minute and second provided by date then
> 
> #local hour_angle = 30*h + m/2 + s/120;
> #local minute_angle = 6*m + s/10;
> 
> I added some boxes so that the watch had something to reflect but they
> don't look very artistic.
> 
> Alberto.

Good: that knob is so much better! Some details me be a little out of 
place but for the rest I like it a lot :))
-- 
Regards,  Sander


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From: Alberto
Subject: Re: What is this ?
Date: 22 Apr 2001 20:27:43
Message: <3AE376C1.9D8269E9@usb.ve>
Jean-Michel Grimaldi wrote:
> 
> Jan Walzer wrote:
> >
> > dunno, but I'm missing some shadows here ...
> 
> I guess this comes from the phong highlight on the glass, which must
> have a high phong value (more than .6)
> and a very high phong_size (more than 200).
> 
Well, not this time. The phong on the glass is .25 and it's size 5. I
think this is an aliasing problem.

Regards, Alberto.


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From: Alberto
Subject: Re: watch2
Date: 23 Apr 2001 00:56:22
Message: <3AE3B5BD.1E7FA20E@usb.ve>
Batronyx wrote:
> 
> I agree this is much improved. Are you planning on adding more details? I'm
> not a watch expert but all of the watches I've ever seen had either a wrist
> band or a chain. . . something to keep it from getting away.
> 

May be you're right but for the moment I'll will let it as it is.
Regards, Alberto.


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From: Christoph Hormann
Subject: Re: watch2
Date: 23 Apr 2001 02:43:39
Message: <3AE3CF21.724FF42A@gmx.de>
Alberto wrote:
> 
> In this version the finish for the metallic parts was rewritten. I used
> colored variable reflection, the ambient was set to 0, the brilliance to
> 1.5. The knob was redone from scratch using a bezier prism.

I think usually metal should not have variable reflection.  More important
would be some reflection blur.  Also some more things to reflect would be
good, esp. for the glass cover.  Maybe use an image_map for that.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/


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From: David Fontaine
Subject: Re: watch2
Date: 23 Apr 2001 18:57:04
Message: <3AE4B248.F0946B9C@faricy.net>
It is coming along nicely.  I think the metal is maybe a tad too yellow and
bright though, and I agree with Cristoph on reflection.

BTW Roman-numeral timepieces usually have IIII for four instead of IV.

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/


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From: Richard Morton
Subject: Re: watch2
Date: 24 Apr 2001 09:13:20
Message: <3ae57bf0$1@news.povray.org>
On all the clocks that I have seen with Roman numerals (not sure about
watches), 4 has been represented by IIII rather than IV. I've never
understood why this was done so if someone could elucidate I would be
grateful.


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From: Tom Melly
Subject: Re: watch2
Date: 24 Apr 2001 10:08:32
Message: <3ae588e0@news.povray.org>
"Richard Morton" <rmm### [at] anywhereyoulike> wrote in message
news:3ae57bf0$1@news.povray.org...
> On all the clocks that I have seen with Roman numerals (not sure about
> watches), 4 has been represented by IIII rather than IV. I've never
> understood why this was done so if someone could elucidate I would be
> grateful.
>

IV grows and ends up obscuring the clock-face. IIII is better, although it
does tend to get picked on and teased by the numerals with good vision.


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From: Alberto Mendoza
Subject: Re: watch2
Date: 26 Apr 2001 17:52:11
Message: <3AE89848.C445EC81@usb.ve>
David Fontaine wrote:
> 
> It is coming along nicely.  I think the metal is maybe a tad too yellow and
> bright though, and I agree with Cristoph on reflection.
> 
> BTW Roman-numeral timepieces usually have IIII for four instead of IV.

Hi. I didn't notice that before. I made a quick search on internet and
even the pocket watches I saw used IIII for four. Maybe I'll change this
in my model.

Alberto


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From: Alberto Mendoza
Subject: Re: What is this ?
Date: 26 Apr 2001 17:55:33
Message: <3AE8990C.8B0930D5@usb.ve>
Sorry, there is also a specular reflection with roughness set to .0001.
That's the reason for the white spot.

Alberto.


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