How Do You Set Up A Exit Portal?

General questions about Indigo, the scene format, rendering etc...
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nakile
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How Do You Set Up A Exit Portal?

Post by nakile » Thu Jul 19, 2007 10:44 pm

I couldn't figure it out for the life of me.

I'm using Blendigo to set up me scene with a sunlight. I then cover up the openings with a mesh plane and set it to EXIT PORTAL. My end result is a pitch black scene with nothing visible.

Am I missing something obvious here?

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suvakas
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Post by suvakas » Thu Jul 19, 2007 10:46 pm

The normals of exit portal must face inwards.
Flip the normals and see if it helps.

nakile
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Post by nakile » Thu Jul 19, 2007 10:51 pm

Oh yes, those damn normals. :oops:

That fixed it rather quick. Thanks much. I've literally been kicking myself over this for a few hours.

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Macrob
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Post by Macrob » Wed Jul 25, 2007 2:33 am

Hi !
I have a room with a hole in the ceiling. The only lightsource is a sun. With exit-portal it is much slower than without.
I use blendigo, indigo_09_test3. The exit-portal is a plane (4 verticles) facing inwards.
Any ideas?
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1.jpg
with exit portal
1.jpg (112.77 KiB) Viewed 1687 times
2.jpg
without exit portal
2.jpg (111.99 KiB) Viewed 1687 times
3.jpg
exit-portal setup
3.jpg (55.12 KiB) Viewed 1687 times

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OnoSendai
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Post by OnoSendai » Wed Jul 25, 2007 2:34 am

try setting bidir = true
hybrid = false

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Macrob
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Post by Macrob » Wed Jul 25, 2007 3:23 am

Hmm, the fastest (in micro-seconds/sample) is all off, no exit portal.
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"all off"
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OnoSendai
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Post by OnoSendai » Wed Jul 25, 2007 4:06 am

The rate of reduction in noise is the important thing, not samples per second.

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zsouthboy
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Post by zsouthboy » Wed Jul 25, 2007 7:27 am

Yeah, you could be getting more samples per second, but they're being used on portions of the scene your camera can't see.

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