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clipka wrote:
> nemesis schrieb:
>> At least until very recently V-Ray used regular biased backwards
>> raytracing with
>> photon mapping, except incredibly optimized. Perhaps those speckles
>> in the
>> video have simply something to do with the GPU calculating an insane
>> amount of
>> rays and rendering pixels out of order?
>
> Well, maybe they're artifacts of the photon mapping; that would appear
> to be quite fitting.
They're artifacts of forward based monte-carlo GI.
The idea is something along the lines of, every time you need to take a
light sample, you just shoot one randomly (rather than POV's method of
using many surrounding samples) and deal with it. Thus, the speckles.
The next step is to re-render the scene, and average the results with
the previous. For this reason, images rendered in this manner show a
full scene quite quickly but with horrible quality, while the longer you
leave them running the more they resolve into high quality images.
You can see this in the video as things get really crappy when they move
the camera, and resolve into higher quality when they don't.
...Chambers
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> Let's use the GPU to speed up POV-Ray!
>
> http://www.cgarchitect.com/news/SIGGRAPH-2009-CHAOS-GROUP-GPU.shtml
If that's MCPov quality output (it's hard to tell from that video alone)
then it's pretty awesome speed. The models used in the video there are
pretty huge in terms of triangle-count, it seems they have a pretty
efficient GPU GI renderer there :-)
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> They're artifacts of forward based monte-carlo GI.
>
> The idea is something along the lines of, every time you need to take a
> light sample, you just shoot one randomly (rather than POV's method of
> using many surrounding samples) and deal with it. Thus, the speckles.
>
> The next step is to re-render the scene, and average the results with
> the previous. For this reason, images rendered in this manner show a
> full scene quite quickly but with horrible quality, while the longer you
> leave them running the more they resolve into high quality images.
>
> You can see this in the video as things get really crappy when they move
> the camera, and resolve into higher quality when they don't.
Maybe now we'll start seeing games with a "night vision mode" that
actually works the same way as real night vision? (I.e., not just a
normal render pass with a noise filter applied afterwards.)
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Darren New <dne### [at] san rr com> wrote:
> http://www.cgarchitect.com/news/SIGGRAPH-2009-CHAOS-GROUP-GPU.shtml
"Express Install is not supported on this operating system. To upgrade,
please visit: Flash Player Download Center."
I'm wondering if they are proud about being approximately the only
website in the entire internet which doesn't work in Linux.
--
- Warp
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On Mon, 24 Aug 2009 11:59:31 -0400, Warp wrote:
> I'm wondering if they are proud about being approximately the only
> website in the entire internet which doesn't work in Linux.
Worked fine here on openSUSE 11.1.
Jim
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Warp wrote:
> Darren New <dne### [at] san rr com> wrote:
>> http://www.cgarchitect.com/news/SIGGRAPH-2009-CHAOS-GROUP-GPU.shtml
>
> "Express Install is not supported on this operating system. To upgrade,
> please visit: Flash Player Download Center."
>
> I'm wondering if they are proud about being approximately the only
> website in the entire internet which doesn't work in Linux.
>
Huh? They do have a flash-video there, but that doesn't mean the page
doesn't work on Linux. Heck, I can see the page.
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.22) Gecko/20090705
SeaMonkey/1.1.17
-Aero
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Warp <war### [at] tag povray org> wrote:
> Darren New <dne### [at] san rr com> wrote:
> > http://www.cgarchitect.com/news/SIGGRAPH-2009-CHAOS-GROUP-GPU.shtml
>
> "Express Install is not supported on this operating system. To upgrade,
> please visit: Flash Player Download Center."
>
> I'm wondering if they are proud about being approximately the only
> website in the entire internet which doesn't work in Linux.
>
> --
> - Warp
Worked fine on Ubuntu last night. No, I don't dig flash either, still...
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Jim Henderson <nos### [at] nospam com> wrote:
> On Mon, 24 Aug 2009 11:59:31 -0400, Warp wrote:
> > I'm wondering if they are proud about being approximately the only
> > website in the entire internet which doesn't work in Linux.
> Worked fine here on openSUSE 11.1.
How? It refuses to play here. It just gives that message.
--
- Warp
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Eero Ahonen <aer### [at] removethis zbxt net invalid> wrote:
> Huh? They do have a flash-video there, but that doesn't mean the page
> doesn't work on Linux. Heck, I can see the page.
The text in that page is not very helpful, nor the core content.
--
- Warp
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nemesis <nam### [at] gmail com> wrote:
> Worked fine on Ubuntu last night. No, I don't dig flash either, still...
Flash is not the problem. All flash sites I know of work just fine.
Well, except this one.
--
- Warp
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