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This is a simple picture I made to experiment with focal blur, made out
of a picture that I made to experiment with glass. It's funny that
rendering this with focal blur on my new box is roughly 2 or 3 times
faster than just rendering normally on my old box, but I guess dual
Opterons and a Gig of RAM will do that :P I'm pretty sure I've got some
settings all wrong, and I'm still not too satisfied with the blur, but
this is the best I can do so far.
Scene contains 3 frame level objects; 1 infinite.
Statistics for check.pov, Resolution 800 x 600
----------------------------------------------------------------------------
Pixels: 519400 Samples: 16785793 Smpls/Pxl: 32.32
Rays: 1874649567 Saved: 181951612 Max Level: 200/200
----------------------------------------------------------------------------
Ray->Shape Intersection Tests Succeeded Percentage
----------------------------------------------------------------------------
Cone/Cylinder 4151165419 955712561 41.21
CSG Intersection 4247033337 2798462427 65.89
CSG Merge 4247033337 2983452192 70.25
Plane 1322661856 383814742 6.83
Torus 4199099378 617616430 7.27
Torus Bound 4199099378 739529240 8.71
Bounding Box 420591888 4268275552 47.37
----------------------------------------------------------------------------
Roots tested: 739529240 eliminated: 283896962
Calls to Noise: 1383597139 Calls to DNoise: 2154095944
----------------------------------------------------------------------------
Shadow Ray Tests: 134905375 Succeeded: 2158591940
Reflected Rays: 917455130 Total Internal: 130615242
Refracted Rays: 609348309
Transmitted Rays: 5378335
----------------------------------------------------------------------------
Radiosity samples calculated: 1628410 (5.17 percent)
Radiosity samples reused: 29867188
----------------------------------------------------------------------------
Smallest Alloc: 18 bytes Largest: 130816
Peak memory used: 290309806 bytes
----------------------------------------------------------------------------
Time For Trace: 6 hours 14 minutes 0.0 seconds (22438 seconds)
Total Time: 6 hours 13 minutes 58.0 seconds (22438 seconds)
Post a reply to this message
Attachments:
Download 'glass-focal-6july04.jpg' (45 KB)
Preview of image 'glass-focal-6july04.jpg'
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I can see some noise at the bottom at the glass. Could it be that the glass
is touching the surface beneath?
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Apache wrote:
> I can see some noise at the bottom at the glass. Could it be that the glass
> is touching the surface beneath?
>
>
ooooo... I thought it was reflecting the sky, but that makes much more
sense. lol, I'm not so good with POV-Ray yet :P Thanks
Post a reply to this message
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bob nous apporta ses lumieres ainsi en ce 07/07/2004 13:01... :
> This is a simple picture I made to experiment with focal blur, made
> out of a picture that I made to experiment with glass. It's funny that
> rendering this with focal blur on my new box is roughly 2 or 3 times
> faster than just rendering normally on my old box, but I guess dual
> Opterons and a Gig of RAM will do that :P I'm pretty sure I've got
> some settings all wrong, and I'm still not too satisfied with the
> blur, but this is the best I can do so far.
>
> Scene contains 3 frame level objects; 1 infinite.
>
> Statistics for check.pov, Resolution 800 x 600
> ----------------------------------------------------------------------------
>
> Pixels: 519400 Samples: 16785793 Smpls/Pxl: 32.32
> Rays: 1874649567 Saved: 181951612 Max Level: 200/200
> ----------------------------------------------------------------------------
>
> Ray->Shape Intersection Tests Succeeded Percentage
> ----------------------------------------------------------------------------
>
> Cone/Cylinder 4151165419 955712561 41.21
> CSG Intersection 4247033337 2798462427 65.89
> CSG Merge 4247033337 2983452192 70.25
> Plane 1322661856 383814742 6.83
> Torus 4199099378 617616430 7.27
> Torus Bound 4199099378 739529240 8.71
> Bounding Box 420591888 4268275552 47.37
> ----------------------------------------------------------------------------
>
> Roots tested: 739529240 eliminated: 283896962
> Calls to Noise: 1383597139 Calls to DNoise: 2154095944
> ----------------------------------------------------------------------------
>
> Shadow Ray Tests: 134905375 Succeeded: 2158591940
> Reflected Rays: 917455130 Total Internal: 130615242
> Refracted Rays: 609348309
> Transmitted Rays: 5378335
> ----------------------------------------------------------------------------
>
> Radiosity samples calculated: 1628410 (5.17 percent)
> Radiosity samples reused: 29867188
> ----------------------------------------------------------------------------
>
> Smallest Alloc: 18 bytes Largest: 130816
> Peak memory used: 290309806 bytes
> ----------------------------------------------------------------------------
>
> Time For Trace: 6 hours 14 minutes 0.0 seconds (22438 seconds)
> Total Time: 6 hours 13 minutes 58.0 seconds (22438 seconds)
>
> ------------------------------------------------------------------------
>
Why is the water at an angle? And why is'nt it visible true the glass,
but only over the top of it?
Alain
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Alain wrote:
> Why is the water at an angle? And why is'nt it visible true the glass,
> but only over the top of it?
>
> Alain
That is not water, it is a reflection of the sky. I think I set the IOR
a little wrong :-P
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bob nous apporta ses lumieres ainsi en ce 07/07/2004 20:03... :
> Alain wrote:
>
>> Why is the water at an angle? And why is'nt it visible true the
>> glass, but only over the top of it?
>>
>> Alain
>
>
> That is not water, it is a reflection of the sky. I think I set the
> IOR a little wrong :-P
What made me think of water is: 1 the meniscus around the top of the
angled part, 2 the refraction difference betwen the angled part and the
rest of the glass. But it may only be some strange reflection of the
near side.
Alain
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bob wrote:
> Apache wrote:
>
>> I can see some noise at the bottom at the glass. Could it be that the
>> glass
>> is touching the surface beneath?
>>
>>
>
> ooooo... I thought it was reflecting the sky, but that makes much more
> sense. lol, I'm not so good with POV-Ray yet :P Thanks
Thanks, I moved it up to 0.0001 and now there is no blue.
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> It's funny that
> rendering this with focal blur on my new box is roughly 2 or 3 times
> faster than just rendering normally on my old box, but I guess dual
> Opterons and a Gig of RAM will do that :P
If you're using the standard POV-Ray build, I think you'll find that
only 1 processor is actually doing any work...
(Well, *actually*, only 1 processor is doing the rendering; I'm sure the
other one is handling stuff like updating the display and powering the
GUI, etc.)
Also, I would imagine for this particular thing, it didn't use an aweful
lot of RAM...
(...on the other hand, it reports a peak memory usage of roughly 290 MB,
so what would I know?)
Andrew @ home.
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Andrew C on Mozilla wrote:
>> It's funny that rendering this with focal blur on my new box is
>> roughly 2 or 3 times faster than just rendering normally on my old
>> box, but I guess dual Opterons and a Gig of RAM will do that :P
>
>
> If you're using the standard POV-Ray build, I think you'll find that
> only 1 processor is actually doing any work...
>
> (Well, *actually*, only 1 processor is doing the rendering; I'm sure the
> other one is handling stuff like updating the display and powering the
> GUI, etc.)
>
> Also, I would imagine for this particular thing, it didn't use an aweful
> lot of RAM...
>
> (...on the other hand, it reports a peak memory usage of roughly 290 MB,
> so what would I know?)
>
> Andrew @ home.
I was very much aware of that, but either way, running on one of two
Opterons (with all the system overhead moved to the other) and a gig of
ram sure beats the 866Mhz CPU and 256Megs of RAM on my other system.
This way I can have it running in the background while still having a
normal system (as this is my main box) I can even play UT2004 whithout
losing much speed on POV-Ray :-D
(I also think it is using all that ram because of all the reflections in
the glass and because I don't know how to use radiosity right :P)
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> I was very much aware of that, but either way, running on one of two
> Opterons (with all the system overhead moved to the other) and a gig of
> ram sure beats the 866Mhz CPU and 256Megs of RAM on my other system.
> This way I can have it running in the background while still having a
> normal system (as this is my main box) I can even play UT2004 whithout
> losing much speed on POV-Ray :-D
*Drool*
> (I also think it is using all that ram because of all the reflections in
> the glass and because I don't know how to use radiosity right :P)
Reflections shouldn't make much odds. (Calculated completely seperately
for each individual ray.) Radiosity might - not sure how it stores all
those lovely samples it takes...
Andrew @ home.
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