advanced rendering for AutoCAD
v16_noche_ARCO_1
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Comment by Marc Chaumier on December 7, 2011 at 2:34am
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Very nice picture. Is the cow skin a decal? And how did you give the little thickness? Bump? Displacement? Real thickness? Or just a little space between the skin and the floor, as we do for carpet. Nice composition. Just one very little detail: I find the hinge of the piano, a little bit too shiny. But when the piano is new, it's normal ;o)
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Comment by George Ioannidis on December 7, 2011 at 3:11am
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Very nice rendering indeed! Still, there are lots of fireflies, how can one get rid of them? I couldn't draw a conclusion when they are going to appear and when they aren't. Is there any general tip to avoid them somehow?
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Comment by Miguel Tano Adanes on December 7, 2011 at 4:30am
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@Marc: thank you very much, Marc. The cow carpet is a simple decal 3mm higher than the floor. Actually, I don't like very much the LED Fibonacci lamp on the ceiling, but that is a creation of the client so I had to put it in the composition. All visible metallic elements of the piano are made of brass, and I supose that when one have a Steinway & Sons grand piano tends to take many cares on it!
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@George: thank you very much George. Look, this image took me almost 69 hours to render, 910 passes on a Core i7 920 2.67GHz (8 cores), and the more it rendered, the the less the fireflies tents to disappear, both the luminous ones and the dark ones. So... I really don't know which class of hardware does one need (and time!!) to obtain an aceptable image!
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Comment by Roy Hirshkowitz on December 7, 2011 at 8:43am
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Normally most fireflies are gone by 100 - 200 passes these days. My best bet for the culprit is the floor lamp-- something about it's construction. Just guessing, though. I'm happy to take a look at this one.
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Actually, now that I think of it-- the large number of sources could easily be the culprit.
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@ Roy: you mean the model itself, Roy? You kow, I have 2 nxtimages of this, one of 619 passes, the other of 219. If I put them together with image editor, fireflies increase. Do you want me to send you the floor lamp model?
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I'd be interested in taking a look at as much as you're willing to share. The entire model will be a good test case for me. The two nXtImages would be interesting as well-- I don't think the fireflies should be "increasing."
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I don't have any problem in sharing the model with you, the only problem are the 220Mb plus some xrefs and the nxtimages...
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I could at least create a torrent for the zipped file and send you the address..
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