Subject:
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Re: Remix Disco: 55 Disco
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Newsgroups:
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lugnet.cad.ray
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Date:
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Wed, 3 Jan 2007 13:21:33 GMT
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Viewed:
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6940 times
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In lugnet.cad.ray, Timothy Gould wrote:
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Posted on behalf of Zach Best
Hi,
this is another entry for Tim Gould’s Disco Remix Challenge:
http://news.lugnet.com/cad/ray/?n=2685
The title 55 Disco was named so because there are 55 lights in this scene. I
know, I went a little crazy. The scene took about 12 hours to render for
1024x768, aa 0.3, q10.
http://www.brickshelf.com/gallery/timgould/RayTraceChallenge/RTChallengeII/Entries/zb_55disco-zpb.jpg
The .mpd file Tim provided has not been altered in any way. I really wanted
to have the light in the garbage can behind the bar show a transparent
lego-stud on the wall, but no matter what I did it was backwards. I could
not figure out how to rotate it at that spot. I really like Andreas’ use of
the meshenhancer and will definitely try that out next time for any “harsh”
pieces.
The spotlights aimed at the disco ball was where I originally started. I
couldn’t get them to do what I wanted. I tried photons. I tried photons
aimed at an invisible polyhedron. I tried media. Nothing worked. Then when
Andreas came out with his excellent use of the spot lights I decided to let
that area go and work on the other areas I started.
The bar shelf has three rows of lights. The top row lights and the mid row
lights are placed in the transparent object. The bottom row lights are
placed behind the objects. All of the lights have a low fade distance and an
exponential fade power to give the room a more glowy, darker effect. I would
have liked the top row drinks to show caustics on the walls, but I could not
get photons to work due to the way the translator created a highly CSG’d
model....in other words I kept getting a slab error - nothing to shoot
photons at, and believe me when I tried everything including tearing apart
the .pov and judicious use of “photons { collect off }.” Oh well, another
time.
The DJ light was actually an accident. Originally I tried to place it so
that the DJ was completely lit up and had a nice wall shadow, but what you
see is what I started with, and I liked the weirdness of it. I also liked
the green it made.
The floor is probably the best part of my entry. It is the bulk of the
lights (all are point lights with low fade distance and exponential fade
power) for the scene. There is a scattering media on the dance floor as
well. Originally, the lights were in the middle of each color block, but the
media and lights created a horrible line artifact as the light was “escaping”
through the cracks. So, I had to change it to the pattern you see, but it
turned out nicely. The effect was complete when I put point lights in the
DJ’s speakers that shine out into the media.
Finally ambient was turned down to 0.1 and diffuse was turned up to 0.6 to
give the room a more light oriented, darker feel. If I had the will to do
another 12 hour rendering I would probably turn the ambient up to 0.25, but
this is good, I think.
The complete entry is located here:
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=209167
Hope you enjoy!
p.s. Oh yeah, the only post-processing was taking out a bunch of black dots.
I had to increase the maxtracelevel to 8 due to the high reflectivity but
it still left black dots.
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I just noticed that I never responded to this entry. I usually wait a bit to get
someone else to respond first but I obviously missed the follow up this time...
sorry Zach.
The floor lighting in this is simply amazing. I’m so impressed you managed to
get it to work. Having experimented with lighting through transparent elements I
know how difficult this can be.
The other touch I really like is the glowing bin. It’s just a great silly
addition that really makes me chuckle. Does that mean that to live forever we
should avoid open bins?
Thanks so much for your entry and my most sincere apologies for leaving off the
response.
Tim
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Message is in Reply To:
 | | Remix Disco: 55 Disco
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| Posted on behalf of Zach Best Hi, this is another entry for Tim Gould's Disco Remix Challenge: (URL) The title 55 Disco was named so because there are 55 lights in this scene. I know, I went a little crazy. The scene took about 12 hours to render (...) (18 years ago, 9-Oct-06, to lugnet.cad.ray, FTX)
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