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From: ingo
Subject: Grenadine
Date: 3 Apr 1999 03:09:38
Message: <3705ccc2.0@news.povray.org>
I'm not quite happy with the lemon, any suggestions?

ingo
--
Met dank aan de muze met het glazen oog.


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From: Bob Hughes
Subject: Re: Grenadine
Date: 3 Apr 1999 08:49:27
Message: <37061C4D.A4CF5EF5@aol.com>
Ah, refreshing. And refreshing picture too!
See you even added a air bubble in the base of the glass.
The lemon slice is good, think it's just the fact it's such a perfect
looking slice is all.
You could have used a turned up liquid edge inside the glass there,
appears kind of flat. The gas bubbles are really neat, though having
them diferenced from the drink would help (unless you did this already)
and/or get the ones along the sides to be apart from the liquid.
Summer-time, summer-time, sum-sum-summer-time...


ingo wrote:
> 
> I'm not quite happy with the lemon, any suggestions?
> 
> ingo
> --
> Met dank aan de muze met het glazen oog.
> 
>  [Image]

-- 
 omniVERSE: beyond the universe
  http://members.aol.com/inversez/homepage.htm
 mailto:inv### [at] aolcom?Subject=PoV-News


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From: bankspad
Subject: Re: Grenadine
Date: 3 Apr 1999 09:23:26
Message: <370620AA.D2F6BA39@pacbell.net>
when you think ( or wish ) you can just reach in and steal a quick sip -
then you know you've done a good job. I hope you don't mind, but I'm
keeping this one as wallpaper for hot summer days. ;-] The lemon is
beautiful. The only thing I can think of that keeps it from looking like
a photograph is that the slightly flipped part at the top of the slice
is too smooth. I'm wondering if a height field could be used for the
pulp - that and the pulp could look a little more "wet".
KB-

ingo wrote:

> I'm not quite happy with the lemon, any suggestions?
>
> ingo
> --
> Met dank aan de muze met het glazen oog.
>
>  [Image]


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From: Chris Maryan
Subject: Re: Grenadine
Date: 3 Apr 1999 18:12:32
Message: <3706A0C4.6DC4CA4C@geocities.com>
ingo wrote:
> 
> I'm not quite happy with the lemon, any suggestions?
The lemon... hmmm...
it's probably the highlight on the folded part of the lemon. Try making
the phong or specular (whichever you use) highlight much more focused.
Also consider making the 'cells' of the lemon less transparent. Someone
also suggested a height field, use it just on the cells.

The rest of the picture looks excellent. The bubbles are a nice touch.

> ingo
> --
> Met dank aan de muze met het glazen oog.
translation?


-- 
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mailto:cma### [at] geocitiescom
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From: GrimDude
Subject: Re: Grenadine
Date: 4 Apr 1999 04:36:30
Message: <3707167e.0@news.povray.org>
Surface perturbations, moisture, and some variation in the segments would
help.

Excellent work here.

GrimDude
vos### [at] arkansasnet
ingo wrote in message <3705ccc2.0@news.povray.org>...
>I'm not quite happy with the lemon, any suggestions?
>
>ingo
>--
>Met dank aan de muze met het glazen oog.
>
>
>


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From: ingo
Subject: Re: Grenadine
Date: 4 Apr 1999 06:01:03
Message: <37072a4f.0@news.povray.org>
Thanks all,
I try a heightfield and fiddle around some more with the highlight.

Bob Hughes heeft geschreven in bericht <37061C4D.A4CF5EF5@aol.com>...
>Summer-time, summer-time, sum-sum-summer-time...

Bob, I realy wish you didn't write that. Now its singing in my head for the
rest of the day.

bankspad heeft geschreven in bericht <370620AA.D2F6BA39@pacbell.net>...
>I hope you don't mind, but I'm keeping this one as wallpaper for hot summer
days. ;-]

I don't, I feel honoured.

Chris Maryan heeft geschreven in bericht
<3706A0C4.6DC4CA4C@geocities.com>...
>> Met dank aan de muze met het glazen oog.
>translation?


With gratitude to the muse with the glass eye.

ingo

--
Met dank aan de muze met het glazen oog.


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From: Margus Ramst
Subject: Re: Grenadine
Date: 4 Apr 1999 16:47:41
Message: <3707c1dd.0@news.povray.org>
Some of the shadows are completely black (esp. that of the lemon thru glass
part and the upper part of the liquid). Perhaps you the max_trace_level too
low?
The lemon is nice. A strong bumpmap should be all it needs.

Margus

ingo wrote in message <3705ccc2.0@news.povray.org>...
>I'm not quite happy with the lemon, any suggestions?
>
>ingo
>--
>Met dank aan de muze met het glazen oog.
>
>
>


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From: ingo
Subject: Re: Grenadine
Date: 5 Apr 1999 05:24:50
Message: <37087352.0@news.povray.org>
Margus Ramst heeft geschreven in bericht <3707c1dd.0@news.povray.org>...
>Some of the shadows are completely black (esp. that of the lemon thru glass
>part and the upper part of the liquid). Perhaps you the max_trace_level too
>low?.....

I tried a higher max_trace, went from 25 to 100. There is no visual
improvement. Some arithmic in PSP showed almost no differences and mainly on
the outlines (from the AA calculations?). Only result, everything in the
stats is higher, even priority queue removed.

max_trace 25
Number of photons shot:      445059
Number of photons stored: 1003929
Priority queue insert:         74329914
Priority queue remove:          261665
Time For Parse:    0 h 54 m  36.0 sec
Time For Trace:    4 h 16 m   7.0 sec
Total Time:    5 h 10 m  43.0 sec

max_trace 100
Number of photons shot:      445059
Number of photons stored: 1250207
Priority queue insert:          86199180
Priority queue remove:         1258364
Time For Parse:    2 h 43 m  20.0 sec
Time For Trace:    8 h   3 m  20.0 sec
Total Time:   10 h  46 m  40.0 sec



ingo
--
Met dank aan de muze met het glazen oog.


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From: Margus Ramst
Subject: Re: Grenadine
Date: 5 Apr 1999 08:26:18
Message: <37089DF6.BC369B5B@peak.edu.ee>
I still think there's something wrong here. The lemon thru glass shadow in
particular. It shouldn't be so dark (completely opaque?) unless perhaps the
glass had a ridiculously high ior - and it doesn't. Max_trace of 100 is
certainly an overkill (so is 25 in the glass/lemon case), so the problem lies
somewhere else.
Does it look the same even without photons / in official POV?

As for the stats - lack of patience sure isn't one of your shortcomings :)

Margus

ingo wrote:
> 
> I tried a higher max_trace, went from 25 to 100. There is no visual
> improvement. Some arithmic in PSP showed almost no differences and mainly on
> the outlines (from the AA calculations?). Only result, everything in the
> stats is higher, even priority queue removed.
>


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From: ingo
Subject: Re: Grenadine
Date: 5 Apr 1999 13:42:15
Message: <3708e7e7.0@news.povray.org>
Without photons there is no dark part in the shadow of the lemon, neither is
there a shadow of the glass.

ingo

--
Met dank aan de muze met het glazen oog.

Margus Ramst heeft geschreven in bericht <37089DF6.BC369B5B@peak.edu.ee>...
>I still think there's something wrong here. The lemon thru glass shadow in
>particular. It shouldn't be so dark (completely opaque?) unless perhaps the
>glass had a ridiculously high ior - and it doesn't. Max_trace of 100 is
>certainly an overkill (so is 25 in the glass/lemon case), so the problem
lies
>somewhere else.
>Does it look the same even without photons / in official POV?
>
>As for the stats - lack of patience sure isn't one of your shortcomings :)
>
>Margus


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