General questions about Indigo, the scene format, rendering etc...
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OnoSendai
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by OnoSendai » Mon Jun 25, 2007 3:16 am
Results from first cut of exit portal code.
The exit portal consists of 2 triangles in a rectangular configuration covering the opening to the sky. The only lighting in this scene is from the physical sky + sun model.
This is a tricky lighting situation for the usual techniques, because of the small opening in the roof, which is tricky to sample.
MLT does better than bidir, but the blotches are still kinda nasty. The exit portal version easily performs the best.
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Attachments
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- 14 minutes, bidirectional path tracing
- 14min_bidir.png (778.34 KiB) Viewed 6846 times
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- 14 minutes, bidirectional path tracing with metropolis sampling
- 14min_bidirmlt.png (653.72 KiB) Viewed 6845 times
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- 14 minutes, bidirectional path tracing, with exit portal
- 14min_portal.png (548.36 KiB) Viewed 6845 times
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manitwo
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by manitwo » Mon Jun 25, 2007 3:21 am
fantastic!!! can't wait
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oodmb
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by oodmb » Mon Jun 25, 2007 3:41 am
are you going to make the exit portals topology and scene based or user defined? my personal view is that defining the exit portal in a scene is a little like modeling the kd tree by hand
a shiny monkey is a happy monkey
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okazaky
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by okazaky » Mon Jun 25, 2007 3:44 am
WOOOOW! That's a big difference between #1 and #3!
Great!
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OnoSendai
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by OnoSendai » Mon Jun 25, 2007 3:50 am
oodmb wrote:are you going to make the exit portals topology and scene based or user defined? my personal view is that defining the exit portal in a scene is a little like modeling the kd tree by hand
User defined.
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CTZn
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by CTZn » Mon Jun 25, 2007 4:14 am
What does that mean ? Would the user have to create geometry to indicate where the portal is ?
Indeed the difference in performances is HUGE !
Edit: BTW Ono what sampling method is used with portals ? bidir or mlt or any or ... ?
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oodmb
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by oodmb » Mon Jun 25, 2007 4:16 am
well, maybe somebody can make a python script for blender that does it
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CTZn
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by CTZn » Mon Jun 25, 2007 4:20 am
Maybe within Indigo, using importance sampling to determine the portal zone ?
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suvakas
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by suvakas » Mon Jun 25, 2007 4:20 am
Awesome!
Oh man.. can't wait to test this baby out.
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filippo
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by filippo » Mon Jun 25, 2007 5:56 am
it's fantastic .......thi option it will be inserted in Indigo 0.9?
when it's will be relesed?
filippo
sorry for my poor language...
thanks ono!!!!!!!!!!!!1
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OnoSendai
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by OnoSendai » Mon Jun 25, 2007 5:58 am
Yes it will be in 0.9,
don't know when that will be out.
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ThatDude33
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by ThatDude33 » Mon Jun 25, 2007 7:39 am
This is awesomeeee! (with 4 e's).
Great Great Great Great addition!!!
Matt B. >>Maya To Indigo<<
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Olis
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by Olis » Mon Jun 25, 2007 8:11 am
Well, there is not much to add. Simply brilliant!
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Kosmokrator
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by Kosmokrator » Mon Jun 25, 2007 8:43 am
very very good Ono...but..eventualy...what is the user-setup for this feature? some exit portals true-false switch or something else???
great work keep it up!!
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