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Chambers escreveu:
> 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.
isn't Photon Mapping a forward-based monte-carlo GI technique itself?
--
a game sig: http://tinyurl.com/d3rxz9
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On Mon, 24 Aug 2009 12:16:00 -0400, Warp wrote:
> 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.
It just worked here. I have the latest version of Flash installed from
the Adobe website.
But I just visited the page, told noscript to allow scripts on the page,
and it just worked. No magic or anything. :-)
Jim
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nemesis schrieb:
>>> 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.
>
> isn't Photon Mapping a forward-based monte-carlo GI technique itself?
I guess it does qualify.
Well, it's a bidirectional approach actually; but I can't possibly
imagine that VRay would use /full-fledged/ forward tracing either.
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clipka escreveu:
> nemesis schrieb:
>>>> 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.
>>
>> isn't Photon Mapping a forward-based monte-carlo GI technique itself?
>
> I guess it does qualify.
>
> Well, it's a bidirectional approach actually; but I can't possibly
> imagine that VRay would use /full-fledged/ forward tracing either.
Mental Ray and V-Ray use essentially the photon mapping technique, not
just for caustics.
--
a game sig: http://tinyurl.com/d3rxz9
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clipka <ano### [at] anonymousorg> wrote:
> Jim Henderson schrieb:
> > Well, and one thing from the demo was that the card in use was described
> > as "not the high-end option" (words to that effect).
>
> I actually happen to have that same GPU (GeForce 285) in my machine. I
> went for that particular graphics card /because/ I didn't intend to get
> the heaviest weapon out there, rather just some decent graphics power
> for a decent price (something to do some fluent Wings3D or Poser work
> with) - so I guess there's heavier artillery /already/ in both the
> gamers' and CG professionals' arsenals.
While not the fastest card out there, it still costs more than *any* video card
offered by AMD. It's a pretty heavy hitter for a single card setup.
....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
There's a better version here for download which is an actual screen-cap
rather than from a camera:
http://www.spot3d.com/vrayrt/gpu20090725.mov
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Warp wrote:
> Eero Ahonen <aer### [at] removethiszbxtnetinvalid> 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.
>
I had the same problem. I used Firebug to replace the <embed> tag's src
attribute to the real swf instead of the expressinstall crap.
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