TUTORIAL/DIAGRAM: How Portals work and how to use them

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Re: TUTORIAL/DIAGRAM: How Portals work and how to use them

Postby AndreaMannori » Thu Jun 14, 2012 8:32 am

I noticed an issue into my scene... the direct light of the sun is not visible... what's wrong? Into the attached pics it's shown the windows glass material and its parameters... I hope it is not wrong but if I set the opacity to 0 the sun is clearly visible... if I set it to 1 the direct light of the sun dies...
Attachments
Windows_Glass_setup.png
Windows_Glass_setup_SUN.png
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Re: TUTORIAL/DIAGRAM: How Portals work and how to use them

Postby Refracty » Thu Jun 14, 2012 8:57 pm

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Re: TUTORIAL/DIAGRAM: How Portals work and how to use them

Postby AndreaMannori » Fri Jun 15, 2012 6:55 am

Thanks for the answer! So I have to wait for a bug fix ...
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Re: TUTORIAL/DIAGRAM: How Portals work and how to use them

Postby dotcommer » Thu Jul 16, 2015 7:39 pm

So, what is the point of a portal material if I can't have glass in front of it for reflections? If I wanted an open space for light to come into, wouldn't I just have an opening in my geometry? I thought this was a tool for tricking the bounces into receiving sky reference, but if It doesn't work with glass, then I don't get the point of this material.
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Re: TUTORIAL/DIAGRAM: How Portals work and how to use them

Postby Phil_RA » Mon Jan 04, 2016 6:12 pm

dotcommer wrote:So, what is the point of a portal material if I can't have glass in front of it for reflections? If I wanted an open space for light to come into, wouldn't I just have an opening in my geometry? I thought this was a tool for tricking the bounces into receiving sky reference, but if It doesn't work with glass, then I don't get the point of this material.


I'm guessing you could put it just outside of the glass itself, not in the glass, but still in a way that it fills the hole (such as in the window frame outside the glass). I haven't tested it.
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