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3 Dimensional Chat / HDRI test render

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AlecM
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Joined: 26th Aug 2002
Location: Concord, MA
Posted: 8th Oct 2003 17:10
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I just got HDRI vol. 1 from realtexture.com and was just messing around. Heres a quick render.


[P4 2.8C @ 3.03 with an 866mhz FSB:: MSI Neo-2LS running PAT:: 1gb Mushkin PC-3500 DDR High Perf level 2@ 2,2,2 :: ATI Radeon9800ProAIW :: 120Gb SeagateBarracuda 7,200RPM SATA HD :: Antec Plus1080AMG]
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las6
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Location: Finland
Posted: 8th Oct 2003 19:21
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yummy and shiny

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PoHa!84
21
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Location: To your left.
Posted: 9th Oct 2003 01:11
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DAAAANG! How much did you slap on the table for that program?

Destroy you with my mind, I could!
. Cool, he is. Play his games, I do.
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ESC_
21
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Joined: 29th Aug 2003
Location: Mass.
Posted: 9th Oct 2003 01:20
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It's not a program, it's a collection of images that are able to store lighting data.

"That's not a bug, it's a feature!"
"Variables won't, constants aren't."
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Brent_Seraphim
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Posted: 9th Oct 2003 01:23
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Yep Yep. HDRI is the way..or at least global illumination is the way

Spiffy.

"Laugh to scorn the power of man..."
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AlecM
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Location: Concord, MA
Posted: 9th Oct 2003 04:20
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An HDRI (high-dynamic-range-image) is an thats 48 bit or greater. The larger amount of color data allows for more accuracy in 3d renders. HDRIs are commonly used for reflection an image based lighting.

Anyway, Im working on a nicer scene right now. This one won't just be some sphere's and sub-d boxes. New image in a few hours.

[P4 2.8C @ 3.03 with an 866mhz FSB:: MSI Neo-2LS running PAT:: 1gb Mushkin PC-3500 DDR High Perf level 2@ 2,2,2 :: ATI Radeon9800ProAIW :: 120Gb SeagateBarracuda 7,200RPM SATA HD :: Antec Plus1080AMG]
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AlecM
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Posted: 9th Oct 2003 04:22
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Oh an $64 for for the HDRI CD. It was the cheepest I could find. When I have more money im going to buy the HDRI cd from hdrimaps.com very nice collection there.

[P4 2.8C @ 3.03 with an 866mhz FSB:: MSI Neo-2LS running PAT:: 1gb Mushkin PC-3500 DDR High Perf level 2@ 2,2,2 :: ATI Radeon9800ProAIW :: 120Gb SeagateBarracuda 7,200RPM SATA HD :: Antec Plus1080AMG]
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Brent_Seraphim
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Posted: 9th Oct 2003 05:25
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My Dear Frogger Man, I'm well aware of what an HDRI is. I use them quiet frequently. Should I post some of my own?
..if I do Windtech will also....thats not good
(all outta love, Windtech...all outta love


Check out http://www.doschdesign.com for some good HDRI.
They cost though

And http://kelsolaar.3dvf.net/Ressources/MyArt/SharedRessources/HDRI/HDRI.htm for some freebies.

I'm using LW. What are you using?

"Laugh to scorn the power of man..."
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Brent_Seraphim
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Posted: 9th Oct 2003 05:26
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By "Should I post some of my own? " I mean, images where I used HDRI to light the scene...

"Laugh to scorn the power of man..."
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AlecM
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Location: Concord, MA
Posted: 9th Oct 2003 09:15
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Max5 plus brazil. I looked into the dosch design collection but I had already purchased these and they were more expensive.
Is lightwave a bucket rendering system? Or is it scanline? Brazils QMC approch to GI is great but I get these little distortions inside each bucket and along the bucket seams. I have the turn the view rate upreally high to correct it and even than its a bit noticable.

Another image soon.

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las6
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Posted: 9th Oct 2003 09:27
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uh, how hard is it actually to slap that kind of HDRI image and make a neat reflecting sphere that shows the surrounding image the right way?

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AlecM
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Posted: 9th Oct 2003 09:39
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Not too hard. Gets easy quickly. This was my first time using HDRI but its not al automatic. You need to do alot of things like create a new HDRI image thats blurred (and smaller) for the diffuse lighting. You also need to set up the background, make the materials, and set up the color clamping properly on all objects that use it (envrionment maps and the diffuse lighting mostly)

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AlecM
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Posted: 9th Oct 2003 09:53
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oh and brent, feel free to post any HDRI scenes you have

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las6
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Posted: 9th Oct 2003 11:11
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Hmm, I might want to go on about creating some nifty renders, for wallpaper purposes mostly. How fast is the rendering when you use HDRI? (and take into account that I have only 1.33GHz with 512MB)

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AlecM
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Posted: 9th Oct 2003 23:16
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dunno, the render you saw there was about 50 seconds on my system.

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