POV-Ray : Newsgroups : povray.general : In need of some proccessing power Server Time
15 Oct 2026 06:15:47 EDT (-0400)
  In need of some proccessing power (Message 1 to 26 of 26)  
From: Nekar Xenos
Subject: In need of some proccessing power
Date: 6 Feb 2002 03:59:51
Message: <3c60f087@news.povray.org>
I was wondering if anyone would be willing to help me out with rendering my
cars. Progress is getting very slow as I can't get the 'big picture' because of
outdated CPU's.

If anyone is willing to do my renders for me please let me know. I'm not sure if
I'll have internet access after February so I've got to try and finish all this
now.

Thanks,

- Nekar

--
#local X=20*<-2,2,5>;sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<
8,-8>1<8,8>1<8,8>1translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9
,18>][1rgb 0]}}}#local K=2*z*X-X;#local R=seed(clock);blob{#while(K.x>X.x)
#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X-N);
sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{//Nekar
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/


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From: Dennis Milller
Subject: Re: In need of some proccessing power
Date: 6 Feb 2002 22:21:55
Message: <3c61f2d3$1@news.povray.org>
Sure, let me know what you need. Always a few spare cycles around.
D.

"Nekar Xenos" <j-p### [at] citywalkcoza> wrote in message
news:3c60f087@news.povray.org...
> I was wondering if anyone would be willing to help me out with rendering
my
> cars. Progress is getting very slow as I can't get the 'big picture'
because of
> outdated CPU's.
>
> If anyone is willing to do my renders for me please let me know. I'm not
sure if
> I'll have internet access after February so I've got to try and finish all
this
> now.
>
> Thanks,
>
> - Nekar
>
> --
> #local X=20*<-2,2,5>;sphere_sweep{catmull_rom_spline
6<-8,-8>1<-8,-8>1<-8,8>1<
> 8,-8>1<8,8>1<8,8>1translate 20*z pigment{gradient z scale
3color_map{[0rgb<0,9
> ,18>][1rgb 0]}}}#local K=2*z*X-X;#local R=seed(clock);blob{#while(K.x>X.x)
> #local N=X+<rand(R)rand(R)1>/3;#local
X=(vlength(N-K)<vlength(X-K)?N:2*X-N);
> sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt
1}interior{media{//Nekar
> emission<2,4,5>*5}}hollow scale.05}//
http://nekar_xenos.tripod.com/metanoia/
>
>
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From: David F
Subject: Re: In need of some proccessing power
Date: 6 Feb 2002 22:50:51
Message: <3c61f99b@news.povray.org>
Sure!  Mine usually sits around wasting electricity anyways, might as well 
put it to good use!  just let me know

Nekar Xenos wrote:

> I was wondering if anyone would be willing to help me out with rendering
> my cars. Progress is getting very slow as I can't get the 'big picture'
> because of outdated CPU's.
> 
> If anyone is willing to do my renders for me please let me know. I'm not
> sure if I'll have internet access after February so I've got to try and
> finish all this now.
> 
> Thanks,
> 
> - Nekar
> 
 

-- 

David
smuchrusher <at> ameritech <dot> net
ICQ#: 118347772

9:46pm up 16 min, 0 users, load average: 0.09, 0.14, 0.09


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From: Apache
Subject: Re: In need of some proccessing power
Date: 7 Feb 2002 16:35:26
Message: <3c62f31e$1@news.povray.org>
Hi Nekar,

If you want to render MANY of your cars and getting credit for it:
http://www.imp.org/ . We really want to prove with this project that povray
is capable of BIG things. Why are we doing this project? Just to show off
povray software. I've been using povray for a long time now (with big gaps
in between) and I think that the next step is making render farms with
povray would be really something interesting. So many idle computers at
companies and universities at night. Isn't that a waste of precious energy
resources and cpu cycles!?    :-)


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 8 Feb 2002 01:34:25
Message: <3c637171@news.povray.org>
I wasn't sure if I could mail you directly so I posted it to
povray.binaries.scene-files.

Thanks,

- Nekar

--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 8 Feb 2002 01:34:31
Message: <3c637177@news.povray.org>
I wasn't sure if I could mail you directly so I posted it to
povray.binaries.scene-files.

Thanks,

- Nekar

--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}


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From: David F
Subject: Re: In need of some proccessing power
Date: 8 Feb 2002 04:18:21
Message: <3c6397dd$1@news.povray.org>
What version are you using?  

Nekar Xenos wrote:

> I wasn't sure if I could mail you directly so I posted it to
> povray.binaries.scene-files.
> 
> Thanks,
> 
> - Nekar
 

-- 

David
smuchrusher <at> ameritech <dot> net
ICQ#: 118347772

3:22am up 12:15, 0 users, load average: 0.35, 0.26, 0.19


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 8 Feb 2002 04:27:08
Message: <3c6399ec@news.povray.org>
Oops, I didn't think about that one. I'm using Pov 3.5 beta. I used Arial.ttf as
well, do I need to send that to you?

--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}
"David F" <smu### [at] ameritechnet> wrote in message
news:3c6397dd$1@news.povray.org...
> What version are you using?
>
> Nekar Xenos wrote:
>
> > I wasn't sure if I could mail you directly so I posted it to
> > povray.binaries.scene-files.
> >
> > Thanks,
> >
> > - Nekar
>
>
> --
>
> David
> smuchrusher <at> ameritech <dot> net
> ICQ#: 118347772
>
> 3:22am up 12:15, 0 users, load average: 0.35, 0.26, 0.19


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From:
Subject: Re: In need of some proccessing power
Date: 8 Feb 2002 04:33:52
Message: <sn676ugd4diadqs4s1q314jbm50fk3b2k8@4ax.com>
On Fri, 8 Feb 2002 11:29:25 +0200, "Nekar Xenos" <j-p### [at] citywalkcoza> wrote:
> Oops, I didn't think about that one. I'm using Pov 3.5 beta. I used Arial.ttf as
> well, do I need to send that to you?

afaik you have no right to send it to him but if I can help then it is available
at http://www.microsoft.com/typography/fontpack/

ABX


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 8 Feb 2002 05:06:15
Message: <3c63a317@news.povray.org>
"Apache" <apa### [at] yahoocom> wrote in message
news:3c62f31e$1@news.povray.org...
> Hi Nekar,
>
> If you want to render MANY of your cars and getting credit for it:
> http://www.imp.org/ . We really want to prove with this project that povray
> is capable of BIG things. Why are we doing this project? Just to show off
> povray software. I've been using povray for a long time now (with big gaps
> in between) and I think that the next step is making render farms with
> povray would be really something interesting. So many idle computers at
> companies and universities at night. Isn't that a waste of precious energy
> resources and cpu cycles!?    :-)
>

Sounds great! But I doubt I can use that for test renders, while I'm still
designing it. But if I can send my test renders there, let me know!

Thanks,

- Nekar

--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 8 Feb 2002 08:40:35
Message: <3c63d553@news.povray.org>
You can e-mail the renderings to jpr### [at] citywalkcoza with "Att: Gerhard" in
the subject line. Or you could post it to p.b.i....

Thanks,

Nekar Xenos aka Gerhard Oosthuizen

--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}


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From: Grey Knight
Subject: Re: In need of some proccessing power
Date: 8 Feb 2002 08:50:25
Message: <3C63D798.11AB6B73@namtar.qub.ac.uk>
Nekar Xenos wrote:
> ...
> Nekar Xenos aka Gerhard Oosthuizen

I must say, your real name isn't any less weird than your pseudonym...
;)

-- 
signature{
  "Grey Knight" contact{ email "gre### [at] yahoocom" }
  site_of_week{ url "http://digilander.iol.it/jrgpov" }
}


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 8 Feb 2002 09:39:17
Message: <3c63e315@news.povray.org>
"Grey Knight" <s16### [at] namtarqubacuk> wrote in message
news:3C63D798.11AB6B73@namtar.qub.ac.uk...
> Nekar Xenos wrote:
> > ...
> > Nekar Xenos aka Gerhard Oosthuizen
>
> I must say, your real name isn't any less weird than your pseudonym...
> ;)
>
> --
> signature{
>   "Grey Knight" contact{ email "gre### [at] yahoocom" }
>   site_of_week{ url "http://digilander.iol.it/jrgpov" }
> }

It's actually a very common name here in South Africa. Apparently it's of German
origin.

BTW you can check the meaning of my pseudonym in the (Biblical) Hebrew and Greek
if you want (if you have access to the lexicons that is..)


--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}


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From: Apache
Subject: Re: In need of some proccessing power
Date: 9 Feb 2002 01:50:58
Message: <3c64c6d2$1@news.povray.org>
Weet je zeker dat het van duitsland is? Ik vind het nogal een Holland
klinkende naam hoor!


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From:
Subject: Re: In need of some proccessing power
Date: 9 Feb 2002 18:22:29
Message: <3c65a7ba.362956994@news.povray.org>
On Wed, 6 Feb 2002 11:02:12 +0200, "Nekar Xenos"
<j-p### [at] citywalkcoza> wrote:

>I was wondering if anyone would be willing to help me out with rendering my
>cars. Progress is getting very slow as I can't get the 'big picture' because of
>outdated CPU's.

I tried a low-res test  with the following stats:


Statistics for C:\Programmer\POV-Ray for Windows
v3.5\scenes\Erkki\NekCar!F15.pov, Resolution 160 x 120
----------------------------------------------------------------------------
Pixels:           19880   Samples:           19880   Smpls/Pxl: 1.00
Rays:            567304   Saved:            117505   Max Level: 5/5
----------------------------------------------------------------------------
Ray->Shape Intersection          Tests       Succeeded  Percentage
----------------------------------------------------------------------------
Blob                          16740365         3984686     23.80
Blob Component               343911946        77591911     22.56
Blob Bound                   705855661       458233820     64.92
Box                         1041366216         8604640      0.83
Cone/Cylinder                 20203884          484078      2.40
CSG Intersection              38676006         3315345      8.57
CSG Merge                      6349794         1650976     26.00
CSG Union                     14431334         2407544     16.68
Disc                            259843          168419     64.82
Plane                          4106174         1324424     32.25
Sphere                         9236064           15470      0.17
Superellipsoid                 2886258           27235      0.94
True Type Font                13854040           29692      0.21
Clipping Object                2077608         2074324     99.84
Bounding Box                   2349398         1405991     59.84
Vista Buffer                     95208           95162     99.95
----------------------------------------------------------------------------
Roots tested:             13279974   eliminated:              408614
Calls to Noise:             610065   Calls to DNoise:        1975588
----------------------------------------------------------------------------
Shadow Ray Tests:           744810   Succeeded:               457012
Reflected Rays:             176132
Refracted Rays:                143
Transmitted Rays:           104106
I-Stack overflows:           25919
Number of photons shot:          44195
----------------------------------------------------------------------------
Radiosity samples calculated:       7147 (3.24 percent)
Radiosity samples reused:         213485
----------------------------------------------------------------------------
Smallest Alloc:                 25 bytes   Largest:            12056
Peak memory used:          4352603 bytes
----------------------------------------------------------------------------
Time For Parse:    0 hours  0 minutes   1.0 seconds (1 seconds)
Time For Trace:    0 hours 35 minutes  42.0 seconds (2142 seconds)
    Total Time:    0 hours 35 minutes  43.0 seconds (2143 seconds)
POV-Ray finished

I haven't checked out your car construction methods but the very low
hit-rates on boxes, spheres & superellipsoids suggests that the
internal bounding can be much tighter with serious reduction of render
time as a result. The license plates seems to be very expensive as
well. 

Experimenting with switching objects off leads to the conclusion that
your wheels are bounded poorly as the rest of the objects render
faster than the wheels alone!

/Erkki


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From: David F
Subject: Re: In need of some proccessing power
Date: 10 Feb 2002 23:36:16
Message: <3c674a40$1@news.povray.org>
OK, how do I stop the mosaic preview?  I tried adding +SP1 to the command 
line, but it didn't help.  Thanks

Nekar Xenos wrote:

> I wasn't sure if I could mail you directly so I posted it to
> povray.binaries.scene-files.
> 
> Thanks,
> 
> - Nekar
-- 

David
smuchrusher <at> ameritech <dot> net
ICQ#: 118347772

8:25pm up 3 days, 5:18, 0 users, load average: 0.13, 0.15, 0.06


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 01:39:58
Message: <3c67673e@news.povray.org>
I'm sorry I forgot to give the command line: +qr
And you can render at 600 x 800 AA 0.3

Don't worry about the mosaic - radiosity does that.

Thanks,

- Nekar

--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}
"David F" <smu### [at] ameritechnet> wrote in message
news:3c674a40$1@news.povray.org...
> OK, how do I stop the mosaic preview?  I tried adding +SP1 to the command
> line, but it didn't help.  Thanks
>
> Nekar Xenos wrote:
>
> > I wasn't sure if I could mail you directly so I posted it to
> > povray.binaries.scene-files.
> >
> > Thanks,
> >
> > - Nekar
> --
>
> David
> smuchrusher <at> ameritech <dot> net
> ICQ#: 118347772
>
> 8:25pm up 3 days, 5:18, 0 users, load average: 0.13, 0.15, 0.06


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 01:42:49
Message: <3c6767e9@news.povray.org>
"Erkki Søndergaard" <Erk### [at] povrayorg> wrote in message
news:3c65a7ba.362956994@news.povray.org...
> On Wed, 6 Feb 2002 11:02:12 +0200, "Nekar Xenos"
> <j-p### [at] citywalkcoza> wrote:
>
<snip>
>
> I haven't checked out your car construction methods but the very low
> hit-rates on boxes, spheres & superellipsoids suggests that the
> internal bounding can be much tighter with serious reduction of render
> time as a result. The license plates seems to be very expensive as
> well.
>
Didn't pay a cent fot those numberplates. ;)

> Experimenting with switching objects off leads to the conclusion that
> your wheels are bounded poorly as the rest of the objects render
> faster than the wheels alone!
>
> /Erkki

This is one area I'm not very clear on. How should I do the bounding? I guess
the treads are what's making it so slow..?

- Nekar


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 01:46:30
Message: <3c6768c6@news.povray.org>
Iemand het vir my gesê dit is 'n Duitse naam. Maar 'huizen' klink definitief vir
my meer soos Nederlands. Duits sou seker 'haus' of so iets wees. Watter taal is
'Gerhard Lange'?

--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}
"Apache" <apa### [at] yahoocom> wrote in message
news:3c64c6d2$1@news.povray.org...
> Weet je zeker dat het van duitsland is? Ik vind het nogal een Holland
> klinkende naam hoor!
>
>


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From: David F
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 01:52:56
Message: <3c676a48$1@news.povray.org>
ok, I won't worry about the mosaic, and i'm hoping that you want 600x800, 
not the standard 800x600

Nekar Xenos wrote:

> I'm sorry I forgot to give the command line: +qr
> And you can render at 600 x 800 AA 0.3
> 
> Don't worry about the mosaic - radiosity does that.
> 


-- 

David
smuchrusher <at> ameritech <dot> net
ICQ#: 118347772

12:56am up 3 days, 9:49, 0 users, load average: 1.41, 1.44, 1.38


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 02:34:05
Message: <3c6773ed@news.povray.org>
"David F" <smu### [at] ameritechnet> wrote in message
news:3c676a48$1@news.povray.org...
> ok, I won't worry about the mosaic, and i'm hoping that you want 600x800,
> not the standard 800x600
>
> Nekar Xenos wrote:
>
> > I'm sorry I forgot to give the command line: +qr
> > And you can render at 600 x 800 AA 0.3
> >
> > Don't worry about the mosaic - radiosity does that.
> >
>

Uuuugh! It should be 800 x 600! It's still early here. Haven't had any coffee
yet...

--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}


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From: David F
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 02:37:38
Message: <3c6774c2$1@news.povray.org>
Nekar Xenos wrote:

> 
> Uuuugh! It should be 800 x 600! It's still early here. Haven't had any
> coffee yet...

whew! glad I caught before I had it completely rendered (only one hour into 
it).   Early?  I would say it's pretty late here! :}
-- 

David
smuchrusher <at> ameritech <dot> net
ICQ#: 118347772

12:56am up 3 days, 9:49, 0 users, load average: 1.41, 1.44, 1.38


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From: Apache
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 03:02:38
Message: <3c677a9e$1@news.povray.org>
'Gerhard Lange' klink Duits   :-)


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 04:18:12
Message: <3c678c54@news.povray.org>
"Apache" <apa### [at] yahoocom> wrote in message
news:3c677a9e$1@news.povray.org...
> 'Gerhard Lange' klink Duits   :-)
>
Dan het ek seker 'n Duitse naam met 'n Nederlandse van. :)

- Nekar


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From: Nekar Xenos
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 08:09:06
Message: <3c67c272@news.povray.org>
I only noticed now that my e-mail address was wrong on the news server. The
correct one is jpr### [at] citywalkcoza (no dash)

Thanks,

Nekar

--
#local X=20*<-2,2,5>;#local K=2*z*X-X;#local R=seed(frame_number);blob{#while(K
.x>X.x)#local N=X+<rand(R)rand(R)1>/3;#local X=(vlength(N-K)<vlength(X-K)?N:2*X
-N);sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt 1}interior{media{
emission<2,4,5>*5}}hollow scale.05}//   http://nekar_xenos.tripod.com/metanoia/
sphere_sweep{catmull_rom_spline 6<-8,-8>1<-8,-8>1<-8,8>1<8,-8>1<8,8>1<8,8>1
translate 20*z pigment{gradient z scale 3color_map{[0rgb<0,9,18>][1rgb 0]}}}
"Dennis Milller" <dhm### [at] mediaonenet> wrote in message
news:3c61f2d3$1@news.povray.org...
> Sure, let me know what you need. Always a few spare cycles around.
> D.
>
> "Nekar Xenos" <j-p### [at] citywalkcoza> wrote in message
> news:3c60f087@news.povray.org...
> > I was wondering if anyone would be willing to help me out with rendering
> my
> > cars. Progress is getting very slow as I can't get the 'big picture'
> because of
> > outdated CPU's.
> >
> > If anyone is willing to do my renders for me please let me know. I'm not
> sure if
> > I'll have internet access after February so I've got to try and finish all
> this
> > now.
> >
> > Thanks,
> >
> > - Nekar
> >
> > --
> > #local X=20*<-2,2,5>;sphere_sweep{catmull_rom_spline
> 6<-8,-8>1<-8,-8>1<-8,8>1<
> > 8,-8>1<8,8>1<8,8>1translate 20*z pigment{gradient z scale
> 3color_map{[0rgb<0,9
> > ,18>][1rgb 0]}}}#local K=2*z*X-X;#local R=seed(clock);blob{#while(K.x>X.x)
> > #local N=X+<rand(R)rand(R)1>/3;#local
> X=(vlength(N-K)<vlength(X-K)?N:2*X-N);
> > sphere{X,1,1rotate z*90}sphere{X,1,1}#end pigment{rgbt
> 1}interior{media{//Nekar
> > emission<2,4,5>*5}}hollow scale.05}//
> http://nekar_xenos.tripod.com/metanoia/
> >
> >
> > ---
> > Outgoing mail is certified Virus Free.
> > Checked by AVG anti-virus system (http://www.grisoft.com).
> > Version: 6.0.317 / Virus Database: 176 - Release Date: 2002/01/21
> >
> >
>
>


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From:
Subject: Re: In need of some proccessing power
Date: 11 Feb 2002 16:42:54
Message: <3c6833ba.154556938@news.povray.org>
On Mon, 11 Feb 2002 08:44:56 +0200, "Nekar Xenos"
<j-p### [at] citywalkcoza> wrote:
>> Experimenting with switching objects off leads to the conclusion that
>> your wheels are bounded poorly as the rest of the objects render
>> faster than the wheels alone!
>
>This is one area I'm not very clear on. How should I do the bounding? I guess
>the treads are what's making it so slow..?

Before POV-Ray had automatic bounding we used bound_by, but POV-Ray
strips those by default, and I don't think you'll want to hand-bound
your whole scene. Clipped_by is a usable alternative. Looking at where
the trace is slow indicates that POV-Ray isn't sure where the wheels
end and the only bounding that catches it is the clipped_by on the
whole car. Re-rendering with/out detail shows that detailing takes 4+
times as long as no detailing.

No details:

Scene contains 4 frame level objects; 2 infinite.

Statistics for C:\Programmer\POV-Ray for Windows
v3.5\scenes\Erkki\NekCar!F15.pov, Resolution 160 x 120
----------------------------------------------------------------------------
Pixels:           19200   Samples:           19200   Smpls/Pxl: 1.00
Rays:             49770   Saved:              6009   Max Level: 5/5
----------------------------------------------------------------------------
Ray->Shape Intersection          Tests       Succeeded  Percentage
----------------------------------------------------------------------------
Blob                           1382668          227178     16.43
Blob Component                27552041         7766219     28.19
Blob Bound                    54657217        36113608     66.07
Box                            2567812          268006     10.44
Cone/Cylinder                   395048           16319      4.13
CSG Intersection               1827097          182123      9.97
CSG Merge                       543191          100283     18.46
CSG Union                       691334           58829      8.51
Plane                           307809          137600     44.70
Sphere                          790096            1305      0.17
Clipping Object                  70891           70859     99.95
Bounding Box                     85524           49381     57.74
Light Buffer                    176724          164792     93.25
Vista Buffer                     91808           91776     99.97
----------------------------------------------------------------------------
Roots tested:              1022365   eliminated:               31913
Calls to Noise:              21034   Calls to DNoise:          86567
----------------------------------------------------------------------------
Shadow Ray Tests:            36072   Succeeded:                 6579
Reflected Rays:              19320
Refracted Rays:                  8
Transmitted Rays:            11242
----------------------------------------------------------------------------
Smallest Alloc:                 25 bytes   Largest:            12056
Peak memory used:          1430818 bytes
----------------------------------------------------------------------------
Time For Parse:    0 hours  0 minutes   1.0 seconds (1 seconds)
Time For Trace:    0 hours  0 minutes  39.0 seconds (39 seconds)
    Total Time:    0 hours  0 minutes  40.0 seconds (40 seconds)
POV-Ray finished


With details:


Scene contains 4 frame level objects; 2 infinite.

Statistics for C:\Programmer\POV-Ray for Windows
v3.5\scenes\Erkki\NekCar!F15.pov, Resolution 160 x 120
----------------------------------------------------------------------------
Pixels:           19200   Samples:           19200   Smpls/Pxl: 1.00
Rays:             49621   Saved:              5973   Max Level: 5/5
----------------------------------------------------------------------------
Ray->Shape Intersection          Tests       Succeeded  Percentage
----------------------------------------------------------------------------
Blob                           1452493          232641     16.02
Blob Component                32915495         8055383     24.47
Blob Bound                    62197080        43095282     69.29
Box                           90355144          695798      0.77
Cone/Cylinder                  1753004           31328      1.79
CSG Intersection               3355750          201843      6.01
CSG Merge                       550946          102830     18.66
CSG Union                      1252134          124594      9.95
Plane                           311220          138333     44.45
Sphere                          801376            1303      0.16
Superellipsoid                  250418            3410      1.36
True Type Font                 1202008            5531      0.46
Clipping Object                 118498          118210     99.76
Bounding Box                     86077           50083     58.18
Light Buffer                    180630          168704     93.40
Vista Buffer                     91808           91776     99.97
----------------------------------------------------------------------------
Roots tested:              1054047   eliminated:               29977
Calls to Noise:              21013   Calls to DNoise:          86252
----------------------------------------------------------------------------
Shadow Ray Tests:            36844   Succeeded:                 7446
Reflected Rays:              19188
Refracted Rays:                  8
Transmitted Rays:            11225
I-Stack overflows:              88
----------------------------------------------------------------------------
Smallest Alloc:                 25 bytes   Largest:            12056
Peak memory used:          4352195 bytes
----------------------------------------------------------------------------
Time For Trace:    0 hours  2 minutes  38.0 seconds (158 seconds)
    Total Time:    0 hours  2 minutes  38.0 seconds (158 seconds)
POV-Ray finished

The first big sinner is boxes, from 2.5 mill tests (at 10.44%) to 90
mill test (at 0.77%). Looking at your Cylinder and Tread code I notice
that you difference out 720 small boxes from your cylinder and then
repeat 6 times to make the full tread. Try reversing the construction
so you union the blocks on instead of differencing the cuts off.
Unions are much easier to autobound than differences so using unions
will add a whole extra layer of bounding. I would expect that to speed
up the tread rendering by at least a factor 20!

If these cars are for racing they'll use either slicks or a coarser
patterned tire for rain racing. 

/Erkki


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